{"id":5891,"date":"2022-07-21T22:53:12","date_gmt":"2022-07-21T14:53:12","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=5891"},"modified":"2022-07-21T22:53:12","modified_gmt":"2022-07-21T14:53:12","slug":"c-c%e7%bc%96%e7%a8%8b%ef%bc%9apistache","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/5891","title":{"rendered":"C\/C++\u7f16\u7a0b\uff1aPistache"},"content":{"rendered":"<div class=\"article-header-box\">\n<div class=\"article-header\">\n<div class=\"article-title-box\">\n<p id=\"articleContentId\" class=\"title-article\"><a href=\"https:\/\/blog.csdn.net\/zhizhengguan\/article\/details\/116116644\">\u539f\u6587\u5730\u5740<\/a><\/p>\n<\/div>\n<div class=\"article-info-box\">\n<div class=\"article-bar-top\"><img decoding=\"async\" class=\"article-type-img\" src=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/pc\/img\/translate.png\" alt=\"\" \/><\/p>\n<div class=\"bar-content\"><a class=\"follow-nickName \" href=\"https:\/\/blog.csdn.net\/zhizhengguan\" target=\"_blank\" rel=\"noopener\">OceanStar\u7684\u5b66\u4e60\u7b14\u8bb0<\/a><img decoding=\"async\" class=\"article-time-img article-heard-img\" src=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/pc\/img\/newCurrentTime2.png\" alt=\"\" \/><span class=\"time\">\u4e8e\u00a02021-04-25 10:11:57\u00a0\u53d1\u5e03<\/span><img decoding=\"async\" class=\"article-read-img article-heard-img\" src=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/pc\/img\/articleReadEyes2.png\" alt=\"\" \/><span class=\"read-count\">1565<\/span><\/div>\n<\/div>\n<div class=\"blog-tags-box\">\n<div class=\"tags-box artic-tag-box\"><span class=\"label\">\u5206\u7c7b\u4e13\u680f\uff1a<\/span>\u00a0<a class=\"tag-link\" href=\"https:\/\/blog.csdn.net\/zhizhengguan\/category_7831160.html\" target=\"_blank\" rel=\"noopener\">C++<\/a><\/div>\n<\/div>\n<div class=\"operating\"><a class=\"href-article-edit slide-toggle\">\u7248\u6743<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"blogColumnPayAdvert\">\n<div class=\"column-group\">\n<div class=\"column-group-item column-group0 column-group-item-one\">\n<div class=\"item-l\"><a class=\"item-target\" title=\"C++\" href=\"https:\/\/blog.csdn.net\/zhizhengguan\/category_7831160.html\" target=\"_blank\" rel=\"noopener\" data-report-click=\"{&quot;spm&quot;:&quot;1001.2101.3001.6332&quot;}\"><img decoding=\"async\" class=\"item-target\" src=\"https:\/\/img-blog.csdnimg.cn\/20201014180756922.png?x-oss-process=image\/resize,m_fixed,h_224,w_224\" alt=\"\" \/><span class=\"title item-target\"><span class=\"tit\">C++<\/span><span class=\"dec\">\u4e13\u680f\u6536\u5f55\u8be5\u5185\u5bb9<\/span><\/span><\/a><\/div>\n<div class=\"item-m\">1105 \u7bc7\u6587\u7ae094 \u8ba2\u9605<\/div>\n<div class=\"item-r\"><a class=\"item-target article-column-bt articleColumnFreeBt\" data-id=\"7831160\">\u8ba2\u9605\u4e13\u680f<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<article class=\"baidu_pl\">\n<div id=\"article_content\" class=\"article_content clearfix\">\n<div id=\"content_views\" class=\"markdown_views prism-dracula\">\n<p>pistace\u662f\u4e00\u4e2a\u7528\u73b0\u4ee3C\u8bed\u8a00\u7f16\u5199\u7684web<a class=\"hl hl-1\" href=\"https:\/\/so.csdn.net\/so\/search?q=%E6%A1%86%E6%9E%B6&amp;spm=1001.2101.3001.7020\" target=\"_blank\" rel=\"noopener\" data-report-click=\"{&quot;spm&quot;:&quot;1001.2101.3001.7020&quot;,&quot;dest&quot;:&quot;https:\/\/so.csdn.net\/so\/search?q=%E6%A1%86%E6%9E%B6&amp;spm=1001.2101.3001.7020&quot;}\" data-tit=\"\u6846\u67b6\" data-pretit=\"\u6846\u67b6\">\u6846\u67b6<\/a>\uff0c\u5b83\u5173\u6ce8\u6027\u80fd\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e2a\u4f18\u96c5\u7684\u5f02\u6b65API\u3002<\/p>\n<pre class=\"prettyprint\" data-index=\"0\"><code class=\"prism language-cpp has-numbering\"><span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;pistache\/pistache.h&gt;<\/span><\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<h1><a name=\"t0\"><\/a><a id=\"_5\"><\/a>\u5b89\u88c5<\/h1>\n<p>\u9700\u8981Git\u6765\u68c0\u7d22\u6e90\u3002\u7f16\u8bd1\u6e90\u4ee3\u7801\u5c06\u9700\u8981CMake\u751f\u6210\u6784\u5efa\u6587\u4ef6\u548c\u652f\u6301c++ 17\u7684\u6700\u65b0<a class=\"hl hl-1\" href=\"https:\/\/so.csdn.net\/so\/search?q=%E7%BC%96%E8%AF%91%E5%99%A8&amp;spm=1001.2101.3001.7020\" target=\"_blank\" rel=\"noopener\" data-report-click=\"{&quot;spm&quot;:&quot;1001.2101.3001.7020&quot;,&quot;dest&quot;:&quot;https:\/\/so.csdn.net\/so\/search?q=%E7%BC%96%E8%AF%91%E5%99%A8&amp;spm=1001.2101.3001.7020&quot;}\" data-tit=\"\u7f16\u8bd1\u5668\" data-pretit=\"\u7f16\u8bd1\u5668\">\u7f16\u8bd1\u5668<\/a>\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5728<a class=\"hl hl-1\" href=\"https:\/\/so.csdn.net\/so\/search?q=Ubuntu&amp;spm=1001.2101.3001.7020\" target=\"_blank\" rel=\"noopener\" data-report-click=\"{&quot;spm&quot;:&quot;1001.2101.3001.7020&quot;,&quot;dest&quot;:&quot;https:\/\/so.csdn.net\/so\/search?q=Ubuntu&amp;spm=1001.2101.3001.7020&quot;}\" data-tit=\"Ubuntu\" data-pretit=\"ubuntu\">Ubuntu<\/a>\u4e0a\uff0c\u60f3\u8981\u8df3\u8fc7\u7f16\u8bd1\u8fc7\u7a0b\uff0c\u4f60\u53ef\u4ee5\u6dfb\u52a0\u5b98\u65b9\u7684PPA\u63d0\u4f9b\u7684nightly \u6784\u5efa:<\/p>\n<pre class=\"prettyprint\" data-index=\"1\"><code class=\"prism language-cpp has-numbering\">sudo add<span class=\"token operator\">-<\/span>apt<span class=\"token operator\">-<\/span>repository ppa<span class=\"token operator\">:<\/span>pistache<span class=\"token operator\">+<\/span>team<span class=\"token operator\">\/<\/span>unstable\r\nsudo apt update\r\nsudo apt install libpistache<span class=\"token operator\">-<\/span>dev\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<\/ul>\n<p>\u5426\u5219\uff0c\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6784\u5efa\u548c\u5b89\u88c5\u6700\u65b0\u7248\u672c:<\/p>\n<pre class=\"prettyprint\" data-index=\"2\"><code class=\"prism language-shell has-numbering\"><span class=\"token function\">git<\/span> clone https:\/\/github.com\/pistacheio\/pistache.git\r\n<span class=\"token function\">cd<\/span> pistache\r\nmeson setup build\r\nmeson <span class=\"token function\">install<\/span> -C build\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<li>4<\/li>\n<\/ul>\n<p>\u6216\u8005\uff1a<\/p>\n<pre class=\"prettyprint\" data-index=\"3\"><code class=\"prism language-cpp has-numbering\">cd pistache<span class=\"token operator\">-<\/span>master\r\nmkdir build\r\ncd build\r\ncmake <span class=\"token operator\">-<\/span>G <span class=\"token string\">\"Unix Makefiles\"<\/span> <span class=\"token operator\">-<\/span>DCMAKE_BUILD_TYPE<span class=\"token operator\">=<\/span>Release <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span>\r\nmake\r\nsudo make install\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<li>4<\/li>\n<li>5<\/li>\n<li>6<\/li>\n<\/ul>\n<p>\u53e6\u5916\uff0cPistache\u8fd8\u4e0d\u652f\u6301Windows\uff0c\u4f46\u5e94\u8be5\u53ef\u4ee5\u5728<a href=\"https:\/\/docs.microsoft.com\/windows\/wsl\/about\" target=\"_blank\" rel=\"noopener\">WSL<\/a>\u4e0b\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<h1><a name=\"t1\"><\/a><a id=\"_35\"><\/a>\u5165\u95e8<\/h1>\n<h2><a name=\"t2\"><\/a><a id=\"_37\"><\/a>\u5934\u6587\u4ef6<\/h2>\n<pre class=\"prettyprint\" data-index=\"4\"><code class=\"prism language-cpp has-numbering\"><span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;pistache\/endpoint.h&gt;<\/span><\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<h2><a name=\"t3\"><\/a><a id=\"hello_world_42\"><\/a>hello world<\/h2>\n<p>Pistache\u6536\u5230\u7684\u8bf7\u6c42\u7528<code>Http::Handler<\/code>\u6765\u5904\u7406\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u4ece\u5b9a\u4e49\u4e00\u4e2a\u7b80\u5355\u7684HelloHandler\u5f00\u59cb:<\/p>\n<pre class=\"prettyprint\" data-index=\"5\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> Pistache<span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">HelloHandler<\/span> <span class=\"token operator\">:<\/span> <span class=\"token keyword\">public<\/span> Http<span class=\"token operator\">::<\/span>Handler <span class=\"token punctuation\">{<\/span>\r\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span>\r\n\r\n    <span class=\"token function\">HTTP_PROTOTYPE<\/span><span class=\"token punctuation\">(<\/span>HelloHandler<span class=\"token punctuation\">)<\/span>\r\n\r\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">onRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Http<span class=\"token operator\">::<\/span>Request<span class=\"token operator\">&amp;<\/span> request<span class=\"token punctuation\">,<\/span> Http<span class=\"token operator\">::<\/span>ResponseWriter response<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n        response<span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>Http<span class=\"token operator\">::<\/span>Code<span class=\"token operator\">::<\/span>Ok<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"Hello, World\\n\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    <span class=\"token punctuation\">}<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<li>4<\/li>\n<li>5<\/li>\n<li>6<\/li>\n<li>7<\/li>\n<li>8<\/li>\n<li>9<\/li>\n<li>10<\/li>\n<li>11<\/li>\n<\/ul>\n<p>\u5904\u7406\u7a0b\u5e8f\u5fc5\u987b\u7ee7\u627fHttp::Handler\u7c7b\uff0c\u5e76\u81f3\u5c11\u5b9a\u4e49onRequest\u6210\u5458\u51fd\u6570\u3002\u5b83\u4eec\u8fd8\u5fc5\u987b\u5b9a\u4e49\u4e00\u4e2aclone()\u6210\u5458\u51fd\u6570\u3002\u7b80\u5355\u7684\u5904\u7406\u7a0b\u5e8f\u53ef\u4ee5\u4f7f\u7528\u7279\u6b8a\u7684HTTP_PROTOTYPE\u5b8f\uff0c\u4f20\u5165\u7c7b\u7684\u540d\u79f0\u3002\u8be5\u5b8f\u5c06\u8d1f\u8d23\u4e3a\u60a8\u5b9a\u4e49clone()\u6210\u5458\u51fd\u6570\u3002<\/p>\n<h2><a name=\"t4\"><\/a><a id=\"_64\"><\/a>\u6700\u540e<\/h2>\n<p>\u5b9a\u4e49\u5904\u7406\u7a0b\u5e8f\u540e\uff0c\u73b0\u5728\u53ef\u4ee5\u542f\u52a8\u670d\u52a1\u5668\uff1a<\/p>\n<pre class=\"prettyprint\" data-index=\"6\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n    Address <span class=\"token function\">addr<\/span><span class=\"token punctuation\">(<\/span>Ipv4<span class=\"token operator\">::<\/span><span class=\"token function\">any<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">Port<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">9080<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n    <span class=\"token keyword\">auto<\/span> opts <span class=\"token operator\">=<\/span> Http<span class=\"token operator\">::<\/span>Endpoint<span class=\"token operator\">::<\/span><span class=\"token function\">options<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">threads<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    Http<span class=\"token operator\">::<\/span>Endpoint <span class=\"token function\">server<\/span><span class=\"token punctuation\">(<\/span>addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">init<\/span><span class=\"token punctuation\">(<\/span>opts<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">setHandler<\/span><span class=\"token punctuation\">(<\/span>Http<span class=\"token operator\">::<\/span>make_handler<span class=\"token operator\">&lt;<\/span>HelloHandler<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">serve<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<li>4<\/li>\n<li>5<\/li>\n<li>6<\/li>\n<li>7<\/li>\n<li>8<\/li>\n<li>9<\/li>\n<\/ul>\n<p>\u4e3a\u4e86\u7b80\u5355\u8d77\u89c1\uff0c\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7279\u6b8a\u7684<code>listenAndServe<\/code>\u51fd\u6570\uff0c\u5b83\u4f1a\u81ea\u52a8\u521b\u5efa\u4e00\u4e2a\u7aef\u70b9\u5e76\u5b9e\u4f8b\u5316\u4f60\u7684\u5904\u7406\u7a0b\u5e8f:<\/p>\n<pre class=\"prettyprint\" data-index=\"7\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n    Http<span class=\"token operator\">::<\/span>listenAndServe<span class=\"token operator\">&lt;<\/span>HelloHandler<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"*:9080\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<\/ul>\n<p>\u5c31\u8fd9\u6837\uff0c\u73b0\u5728\u4f60\u53ef\u4ee5\u542f\u52a8\u4f60\u6700\u559c\u6b22\u7684curl\u8bf7\u6c42\uff0c\u5e76\u89c2\u5bdf\u6700\u7ec8\u7ed3\u679c:<\/p>\n<pre class=\"prettyprint\" data-index=\"8\"><code class=\"prism language-cpp has-numbering\">curl http<span class=\"token operator\">:<\/span><span class=\"token operator\">\/<\/span><span class=\"token operator\">\/<\/span>localhost<span class=\"token operator\">:<\/span><span class=\"token number\">9080<\/span><span class=\"token operator\">\/<\/span>\r\nHello<span class=\"token punctuation\">,<\/span> World\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<\/ul>\n<p>\u8fd9\u4e2a\u4f8b\u5b50\u7684\u5b8c\u6574\u4ee3\u7801\u53ef\u4ee5\u5728GitHub\u4e0a\u627e\u5230:\u00a0<a href=\"https:\/\/github.com\/pistacheio\/pistache\/blob\/master\/examples\/hello_server.cc\" target=\"_blank\" rel=\"noopener\">examples\/hello_server.cc<\/a><\/p>\n<h1><a name=\"t5\"><\/a><a id=\"HTTP_91\"><\/a>HTTP\u5904\u7406\u7a0b\u5e8f<\/h1>\n<p>Pistache\u63a5\u6536\u5230\u7684\u8bf7\u6c42\u7531\u4e00\u4e2a\u540d\u4e3a<code>Http::Handler<\/code>\u7684\u7279\u6b8a\u7c7b\u5904\u7406\u3002\u8be5\u7c7b\u58f0\u660e\u4e86\u4e00\u7ec4\u865a\u62df\u65b9\u6cd5\uff0c\u53ef\u4ee5\u91cd\u5199\u8fd9\u4e9b\u65b9\u6cd5\u6765\u5904\u7406\u5957\u63a5\u5b57\/&amp;\u8fde\u63a5\u4e0a\u53d1\u751f\u7684\u7279\u6b8a\u4e8b\u4ef6\u3002<\/p>\n<p><code>onRequest()<\/code>\u51fd\u6570\u5fc5\u987b\u88ab\u91cd\u5199\u3002\u6bcf\u5f53Pistache\u63a5\u6536\u5230\u6570\u636e\u5e76\u5c06\u5176\u4f5c\u4e3aHTTP\u8bf7\u6c42\u6b63\u786e\u89e3\u6790\u65f6\uff0c\u5c31\u4f1a\u8c03\u7528\u6b64\u51fd\u6570\u3002<\/p>\n<pre class=\"prettyprint\" data-index=\"9\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">virtual<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">onRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Http<span class=\"token operator\">::<\/span>Request<span class=\"token operator\">&amp;<\/span> request<span class=\"token punctuation\">,<\/span> Http<span class=\"token operator\">::<\/span>ResponseWriter response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<p>\u7b2c\u4e00\u4e2a\u53c2\u6570\u662fHttp::Request\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u8868\u793a\u8bf7\u6c42\u672c\u8eab\u3002\u5b83\u5305\u542b\u4e00\u7cfb\u5217\u4fe1\u606f\uff0c\u5305\u62ec:<\/p>\n<ul>\n<li>\u4e0e\u8bf7\u6c42\u76f8\u5173\u8054\u7684\u8d44\u6e90<\/li>\n<li>\u67e5\u8be2\u53c2\u6570<\/li>\n<li>headers<\/li>\n<li>\u8bf7\u6c42\u7684\u4e3b\u4f53<\/li>\n<\/ul>\n<p>Request\u5bf9\u8c61\u63d0\u4f9b\u4e86\u5bf9\u8fd9\u4e9b\u4fe1\u606f\u7684\u53ea\u8bfb\u8bbf\u95ee\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u51e0\u4e2agetter\u6765\u8bbf\u95ee\u5b83\u4eec\uff0c\u4f46\u4e0d\u80fd\u4fee\u6539\u5b83\u4eec\u3002HTTP\u8bf7\u6c42\u662f\u4e0d\u53ef\u53d8\u7684\u3002<\/p>\n<h2><a name=\"t6\"><\/a><a id=\"_108\"><\/a>\u53d1\u9001\u54cd\u5e94<\/h2>\n<p><code>ResponseWriter<\/code>\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u6700\u7ec8\u7684HTTP\u54cd\u5e94\u5c06\u4ece\u8be5\u5bf9\u8c61\u53d1\u9001\u5230\u5ba2\u6237\u7aef\u3002<code>onRequest()<\/code>\u51fd\u6570\u4e0d\u8fd4\u56de\u4efb\u4f55\u4e1c\u897f(void)\u3002\u76f8\u53cd\uff0c\u54cd\u5e94\u901a\u8fc7<code>ResponseWriter<\/code>\u7c7b\u53d1\u9001\u3002\u8fd9\u4e2a\u7c7b\u63d0\u4f9b\u4e86\u4e00\u7ec4<code>send()<\/code>\u51fd\u6570\u91cd\u8f7d\u6765\u53d1\u9001\u54cd\u5e94\u3002<\/p>\n<pre class=\"prettyprint\" data-index=\"10\"><code class=\"prism language-cpp has-numbering\">Async<span class=\"token operator\">::<\/span>Promise<span class=\"token operator\">&lt;<\/span>ssize_t<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>Code code<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<p>\u4f60\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u91cd\u8f7d\u53d1\u9001\u4e00\u4e2a\u7a7a\u7684\u54cd\u5e94\u4f53\u548c\u4e00\u4e2a\u7ed9\u5b9a\u7684HTTP\u4ee3\u7801(\u4f8b\u5982HTTP::Code::Ok)<\/p>\n<pre class=\"prettyprint\" data-index=\"11\"><code class=\"prism language-cpp has-numbering\">Async<span class=\"token operator\">::<\/span>Promise<span class=\"token operator\">&lt;<\/span>ssize_t<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>\r\n    Code code<span class=\"token punctuation\">,<\/span>\r\n    <span class=\"token keyword\">const<\/span> std<span class=\"token operator\">::<\/span>string<span class=\"token operator\">&amp;<\/span> body<span class=\"token punctuation\">,<\/span>\r\n    <span class=\"token keyword\">const<\/span> Mime<span class=\"token operator\">::<\/span>MediaType <span class=\"token operator\">&amp;<\/span>mime <span class=\"token operator\">=<\/span> Mime<span class=\"token operator\">::<\/span><span class=\"token function\">MediaType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<li>4<\/li>\n<li>5<\/li>\n<\/ul>\n<p>\u6b64\u91cd\u8f7d\u53ef\u7528\u4e8e\u53d1\u9001\u5e26\u6709\u9759\u6001\u3001\u56fa\u5b9a\u5927\u5c0f\u5185\u5bb9(\u6b63\u6587)\u7684\u54cd\u5e94\u3002\u8fd8\u53ef\u4ee5\u6307\u5b9aMIME\u7c7b\u578b\uff0c\u5b83\u5c06\u901a\u8fc7Content-Type\u5934\u53d1\u9001\u3002<\/p>\n<pre class=\"prettyprint\" data-index=\"12\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">template<\/span><span class=\"token operator\">&lt;<\/span>size_t N<span class=\"token operator\">&gt;<\/span>\r\nAsync<span class=\"token operator\">::<\/span>Promise<span class=\"token operator\">&lt;<\/span>ssize_t<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>\r\n    Code code<span class=\"token punctuation\">,<\/span>\r\n    <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>arr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">[<\/span>N<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>\r\n    <span class=\"token keyword\">const<\/span> Mime<span class=\"token operator\">::<\/span>MediaType<span class=\"token operator\">&amp;<\/span> mime <span class=\"token operator\">=<\/span> Mime<span class=\"token operator\">::<\/span><span class=\"token function\">MediaType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<li>4<\/li>\n<li>5<\/li>\n<li>6<\/li>\n<\/ul>\n<p>\u9664\u4e86\u4e0d\u9700\u8981\u6784\u9020\u5b57\u7b26\u4e32(\u4e0d\u5206\u914d\u5185\u5b58)\u4e4b\u5916\uff0c\u8fd9\u4e2a\u7248\u672c\u8fd8\u53ef\u4ee5\u7528\u4e8e\u53d1\u9001\u5e26\u6709\u6b63\u6587\u7684\u56fa\u5b9a\u5927\u5c0f\u7684\u54cd\u5e94\u3002\u5185\u5bb9\u7684\u5927\u5c0f\u7531\u7f16\u8bd1\u5668\u76f4\u63a5\u63a8\u5bfc\u3002\u8fd9\u4e2a\u7248\u672c\u53ea\u9002\u7528\u4e8e\u539f\u59cb\u5b57\u7b26\u4e32\u3002<\/p>\n<p>\u8fd9\u4e9b\u51fd\u6570\u662f\u5f02\u6b65\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u4e0d\u4f1a\u8fd4\u56de\u4e00\u4e2a\u7b80\u5355\u7684\u65e7ssize_t\u503c\uff0c\u6307\u793a\u6b63\u5728\u53d1\u9001\u7684\u5b57\u8282\u6570\uff0c\u800c\u662f\u8fd4\u56de\u4e00\u4e2a\u7a0d\u540e\u5c06\u5b9e\u73b0\u7684Promise\u3002\u6709\u5173\u4f7f\u7528Pistache\u8fdb\u884c\u5f02\u6b65\u7f16\u7a0b\u7684\u66f4\u591a\u7ec6\u8282\uff0c\u8bf7\u53c2\u89c1\u4e0b\u4e00\u8282\u3002<\/p>\n<h2><a name=\"t7\"><\/a><a id=\"_136\"><\/a>\u54cd\u5e94\u6d41<\/h2>\n<p>\u6709\u65f6\uff0c\u8981\u8fd4\u56de\u7ed9\u7528\u6237\u7684\u5185\u5bb9\u4e0d\u80fd\u9884\u5148\u77e5\u9053\uff0c\u56e0\u6b64\u4e0d\u80fd\u9884\u5148\u786e\u5b9a\u957f\u5ea6\u3002\u56e0\u6b64\uff0cHTTP\u89c4\u8303\u5b9a\u4e49\u4e86\u4e00\u79cd\u53eb\u505a<a href=\"https:\/\/tools.ietf.org\/html\/rfc7230#section-4.1\" target=\"_blank\" rel=\"noopener\">\u5206\u5757\u7f16\u7801<\/a>\u7684\u7279\u6b8a\u6570\u636e\u4f20\u8f93\u673a\u5236\uff0c\u5176\u4e2d\u6570\u636e\u4ee5\u4e00\u7cfb\u5217\u7684\u5f62\u5f0f\u53d1\u9001\u3002\u8fd9\u79cd\u673a\u5236\u4f7f\u7528Transfer-Encoding HTTP\u5934\u6765\u4ee3\u66ffContent-Length\u5934\u3002<\/p>\n<p>\u5bf9\u4e8e\u6d41\u5f0f\u5185\u5bb9\uff0cPistache\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7279\u6b8a\u7684ResponseStream\u7c7b\u3002\u8981\u4eceResponseWriter\u83b7\u53d6ResponseStream\uff0c\u53ef\u4ee5\u8c03\u7528stream()\u6210\u5458\u51fd\u6570:<\/p>\n<pre class=\"prettyprint\" data-index=\"13\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">auto<\/span> stream <span class=\"token operator\">=<\/span> response<span class=\"token punctuation\">.<\/span><span class=\"token function\">stream<\/span><span class=\"token punctuation\">(<\/span>Http<span class=\"token operator\">::<\/span>Code<span class=\"token operator\">::<\/span>Ok<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<p>\u8981\u521d\u59cb\u5316\u6d41\uff0c\u5fc5\u987b\u5c06HTTP\u72b6\u6001\u7801\u4f20\u9012\u7ed9\u6d41\u51fd\u6570(\u8fd9\u91cc\u662fHTTP:: code::Ok\u6216HTTP 200)\u3002ResponseStream\u7c7b\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7c7b\u4f3c\u4e8eiostream\u7684\u63a5\u53e3\uff0c\u7528\u4e8e\u91cd\u8f7d&lt;&lt;\u64cd\u4f5c\u7b26\u3002<\/p>\n<pre class=\"prettyprint\" data-index=\"14\"><code class=\"prism language-cpp has-numbering\">stream <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">\"PO\"<\/span>\r\nstream <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">\"NG\"<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<\/ul>\n<p>\u7b2c\u4e00\u884c\u5c06\u4f7f\u7528\u5185\u5bb9PO\u5c06\u5927\u5c0f\u4e3a2\u7684\u5757\u5199\u5165\u6d41\u7684\u7f13\u51b2\u533a\u3002\u7b2c\u4e8c\u884c\u5c06\u4f7f\u7528\u5185\u5bb9NG\u7f16\u5199\u5927\u5c0f\u4e3a2\u7684\u7b2c\u4e8c\u4e2a\u5757\u3002\u8981\u7ed3\u675f\u6d41\u5e76\u5237\u65b0\u5185\u5bb9\uff0c\u8bf7\u4f7f\u7528\u7279\u6b8a\u7684ends\u6807\u8bb0:<\/p>\n<pre class=\"prettyprint\" data-index=\"15\"><code class=\"prism language-cpp has-numbering\">stream <span class=\"token operator\">&lt;&lt;<\/span> ends\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<p>end\u6807\u8bb0\u5c06\u5199\u5165\u5927\u5c0f\u4e3a0\u7684\u6700\u540e\u4e00\u5757\uff0c\u5e76\u901a\u8fc7\u7f51\u7edc\u53d1\u9001\u6700\u7ec8\u6570\u636e\u3002\u8981\u7b80\u5355\u5730\u5237\u65b0\u6d41\u7f13\u51b2\u533a\u800c\u4e0d\u7ed3\u675f\u6d41\uff0c\u53ef\u4ee5\u4f7f\u7528<code>flush<\/code>\u6807\u8bb0:<\/p>\n<pre class=\"prettyprint\" data-index=\"16\"><code class=\"prism language-cpp has-numbering\">stream <span class=\"token operator\">&lt;&lt;<\/span> flush\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<blockquote><p>headers\u5199\u5165\uff1a\u5728\u542f\u7528\u6d41\u4e4b\u540e\uff0c\u5934\u6587\u4ef6\u53d8\u5f97\u4e0d\u53ef\u53d8\u3002\u5b83\u4eec\u5fc5\u987b\u5728\u521b\u5efaResponseStream\u4e4b\u524d\u5199\u5165\u54cd\u5e94:<\/p>\n<pre class=\"prettyprint\" data-index=\"17\"><code class=\"prism language-cpp has-numbering\">response<span class=\"token punctuation\">.<\/span><span class=\"token function\">headers<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n   <span class=\"token punctuation\">.<\/span>add<span class=\"token operator\">&lt;<\/span>Header<span class=\"token operator\">::<\/span>Server<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"lys\"<\/span><span class=\"token punctuation\">)<\/span>\r\n   <span class=\"token punctuation\">.<\/span>add<span class=\"token operator\">&lt;<\/span>Header<span class=\"token operator\">::<\/span>ContentType<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">MIME<\/span><span class=\"token punctuation\">(<\/span>Text<span class=\"token punctuation\">,<\/span> Plain<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">auto<\/span> stream <span class=\"token operator\">=<\/span> response<span class=\"token punctuation\">.<\/span><span class=\"token function\">stream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\nstream <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">\"PO\"<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">\"NG\"<\/span> <span class=\"token operator\">&lt;&lt;<\/span> ends<span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<li>4<\/li>\n<li>5<\/li>\n<li>6<\/li>\n<\/ul>\n<\/blockquote>\n<h2><a name=\"t8\"><\/a><a id=\"_168\"><\/a>\u9759\u6001\u6587\u4ef6\u670d\u52a1<\/h2>\n<p>\u9664\u4e86\u63d0\u4f9b\u6587\u672c\u5185\u5bb9\u670d\u52a1\u5916\uff0cPistache\u8fd8\u901a\u8fc7Http::serveFile\u51fd\u6570\u63d0\u4f9b\u4e86\u4e00\u79cd\u63d0\u4f9b\u9759\u6001\u6587\u4ef6\u7684\u65b9\u6cd5:<\/p>\n<pre class=\"prettyprint\" data-index=\"18\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">resource<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> <span class=\"token string\">\"\/doc\"<\/span> <span class=\"token operator\">&amp;&amp;<\/span> request<span class=\"token punctuation\">.<\/span>method <span class=\"token operator\">==<\/span> Http<span class=\"token operator\">::<\/span>Method<span class=\"token operator\">::<\/span>Get<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n    Http<span class=\"token operator\">::<\/span><span class=\"token function\">serveFile<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"README.md\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<\/ul>\n<p>\u8fd4\u56de\u503c\uff1aserveFile\u8fd8\u8fd4\u56de\u4e00\u4e2aPromise\uff0c\u8868\u793a\u53d1\u9001\u5230\u7f51\u7edc\u7684\u603b\u5b57\u8282\u6570<\/p>\n<h2><a name=\"t9\"><\/a><a id=\"_177\"><\/a>\u63a7\u5236\u8d85\u65f6<\/h2>\n<p>\u6709\u65f6\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u5728\u4e00\u5b9a\u65f6\u95f4\u4e4b\u540e\u8d85\u65f6\u3002\u6bd4\u5982\uff0c\u5982\u679c\u60a8\u5728\u8bbe\u8ba1\u4e00\u4e2a\u5e26\u6709\u8f6f\u5b9e\u65f6\u7ea6\u675f\u7684HTTP\u00a0<a class=\"hl hl-1\" href=\"https:\/\/so.csdn.net\/so\/search?q=API&amp;spm=1001.2101.3001.7020\" target=\"_blank\" rel=\"noopener\" data-report-click=\"{&quot;spm&quot;:&quot;1001.2101.3001.7020&quot;,&quot;dest&quot;:&quot;https:\/\/so.csdn.net\/so\/search?q=API&amp;spm=1001.2101.3001.7020&quot;}\" data-tit=\"API\" data-pretit=\"api\">API<\/a>\uff0c\u90a3\u4e48\u60a8\u5c06\u6709\u4e00\u4e2a\u5411\u5ba2\u6237\u673a\u53d1\u9001\u54cd\u5e94\u7684\u65f6\u95f4\u7ea6\u675f\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48Pistache\u63d0\u4f9b\u4e86\u6839\u636e\u6bcf\u4e2a\u8bf7\u6c42\u63a7\u5236\u8d85\u65f6\u7684\u80fd\u529b\u3002\u8981\u5728\u54cd\u5e94\u4e0a\u8bbe\u7f6e\u8d85\u65f6\uff0c\u4f60\u53ef\u4ee5\u76f4\u63a5\u5728ResponseWriter\u5bf9\u8c61\u4e0a\u4f7f\u7528<code>timeouttaafter()<\/code>\u6210\u5458\u51fd\u6570:<\/p>\n<pre class=\"prettyprint\" data-index=\"19\"><code class=\"prism language-cpp has-numbering\">response<span class=\"token punctuation\">.<\/span><span class=\"token function\">timeoutAfter<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span>chrono<span class=\"token operator\">::<\/span><span class=\"token function\">milliseconds<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">500<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<p>\u5982\u679c\u5728500\u6beb\u79d2\u5185\u6ca1\u6709\u53d1\u9001\u54cd\u5e94\uff0c\u8fd9\u5c06\u89e6\u53d1\u8d85\u65f6\u3002timeoutAfter\u63a5\u53d7\u4efb\u4f55\u7c7b\u578b\u7684\u6301\u7eed\u65f6\u95f4\u3002<\/p>\n<p>\u5f53\u4e00\u4e2a\u8d85\u65f6\u89e6\u53d1\u65f6\uff0c\u5904\u7406\u7a0b\u5e8f\u4e2d\u7684onTimeout()\u51fd\u6570\u5c06\u88ab\u8c03\u7528\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6b64\u65b9\u6cd5\u4e0d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\u3002\u5982\u679c\u4f60\u60f3\u6b63\u786e\u5904\u7406\u8d85\u65f6\uff0c\u4f60\u5e94\u8be5\u5728\u4f60\u81ea\u5df1\u7684\u5904\u7406\u7a0b\u5e8f\u4e2d\u91cd\u5199\u8fd9\u4e2a\u51fd\u6570:<\/p>\n<pre class=\"prettyprint\" data-index=\"20\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">void<\/span> <span class=\"token function\">onTimeout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Http<span class=\"token operator\">::<\/span>Request<span class=\"token operator\">&amp;<\/span> request<span class=\"token punctuation\">,<\/span> Http<span class=\"token operator\">::<\/span>ResponseWriter writer<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n    request<span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>Http<span class=\"token operator\">::<\/span>Code<span class=\"token operator\">::<\/span>No_Content<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<\/ul>\n<p>\u4f20\u9012\u7ed9onTimeout\u7684Request\u5bf9\u8c61\u4e0e\u89e6\u53d1\u8d85\u65f6\u7684\u8bf7\u6c42\u5b8c\u5168\u76f8\u540c\u3002ResponseWriter\u662f\u4e00\u4e2a\u5168\u65b0\u7684\u5199\u5165\u5668\u5bf9\u8c61\u3002<\/p>\n<p><strong>\u54cd\u5e94\u5199\u5165\u7a0b\u5e8f\u72b6\u6001<\/strong>\uff1a\u7531\u4e8eResponseWriter\u5bf9\u8c61\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u65b0\u5bf9\u8c61\uff0c\u72b6\u6001\u4e0d\u4f1a\u4fdd\u7559\u4eceonRequest()\u56de\u8c03\u7684ResponseWriter\uff0c\u8fd9\u610f\u5473\u7740\u60a8\u5c06\u4e0d\u5f97\u4e0d\u518d\u6b21\u5199\u5165\u5b8c\u6574\u7684\u54cd\u5e94\uff0c\u5305\u62ec\u5934\u548ccookie\u3002<\/p>\n<h1><a name=\"t10\"><\/a><a id=\"HTTP_198\"><\/a>\u5f02\u6b65HTTP\u7f16\u7a0b<\/h1>\n<p><code>Pistache<\/code>\u63d0\u4f9b\u7684\u63a5\u53e3\u662f\u5f02\u6b65\u548c\u975e\u963b\u585e\u7684\u3002\u5f02\u6b65\u7f16\u7a0b\u5141\u8bb8\u4ee3\u7801\u7ee7\u7eed\u6267\u884c\uff0c\u5373\u4f7f\u7ed9\u5b9a\u8c03\u7528\u7684\u7ed3\u679c\u8fd8\u4e0d\u53ef\u7528\u3002\u63d0\u4f9b\u5f02\u6b65\u63a5\u53e3\u7684\u8c03\u7528\u88ab\u5f15\u7528\u4e3a\u5f02\u6b65\u8c03\u7528\u3002<\/p>\n<p>\u8fd9\u79cd\u8c03\u7528\u7684\u4e00\u4e2a\u4f8b\u5b50\u662fResponseWriter\u63a5\u53e3\u63d0\u4f9b\u7684send()\u51fd\u6570\u3002\u6b64\u51fd\u6570\u8fd4\u56de\u5199\u5165\u4e0e\u8fde\u63a5\u5173\u8054\u7684\u5957\u63a5\u5b57\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u5b57\u8282\u6570\u3002\u4f46\u662f\uff0c\u5b83\u5e76\u6ca1\u6709\u76f4\u63a5\u5c06\u503c\u8fd4\u56de\u7ed9\u8c03\u7528\u8005\u4ece\u800c\u963b\u6b62\u8c03\u7528\u8005\uff0c\u800c\u662f\u5c06\u503c\u5305\u88c5\u5230\u4e00\u4e2a\u79f0\u4e3aPromise\u7684\u7ec4\u4ef6\u4e2d\u3002<\/p>\n<p><code>Promises<\/code>\u662fPistache\u5bf9<a href=\"https:\/\/promisesaplus.com\/\" target=\"_blank\" rel=\"noopener\">\u00a0Promises\/A+\u00a0<\/a>\u6807\u51c6\u7684\u5b9e\u73b0\uff0c\u5728\u5f88\u591aJavaScript\u5b9e\u73b0\u4e2d\u90fd\u53ef\u7528\u3002\u7b80\u5355\u5730\u8bf4\uff0c\u5728\u5f02\u6b65\u8c03\u7528\u671f\u95f4\uff0cPromises\u5c06\u5f02\u6b65\u64cd\u4f5c\u7684\u542f\u52a8\u548c\u7ed3\u679c\u7684\u68c0\u7d22\u5206\u5f00\u3002\u5f53\u5f02\u6b65\u53ef\u80fd\u4ecd\u5728\u8fd0\u884c\u65f6\uff0c\u4e00\u4e2aPromise\u4f1a\u76f4\u63a5\u8fd4\u56de\u7ed9\u8c03\u7528\u8005\uff0c\u4ee5\u4fbf\u5728\u6700\u7ec8\u7ed3\u679c\u53ef\u7528\u65f6\u68c0\u7d22\u5b83\u3002\u53ef\u4ee5\u5c06\u6240\u8c13\u7684\u5ef6\u7eed\u9644\u52a0\u5230Promise\u4e0a\uff0c\u4ee5\u4fbf\u5728\u7ed3\u679c\u53ef\u7528\u65f6(\u5f53Promise\u88ab\u89e3\u6790\u6216\u5b9e\u73b0\u65f6)\u6267\u884c\u56de\u8c03\u3002<\/p>\n<pre class=\"prettyprint\" data-index=\"21\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">auto<\/span> res <span class=\"token operator\">=<\/span> response<span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>Http<span class=\"token operator\">::<\/span>Code<span class=\"token operator\">::<\/span>Ok<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"Hello World\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\nres<span class=\"token punctuation\">.<\/span><span class=\"token function\">then<\/span><span class=\"token punctuation\">(<\/span>\r\n    <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>ssize_t bytes<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> bytes <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">\" bytes have been sent\\n\"<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span>\r\n    Async<span class=\"token operator\">::<\/span>NoExcept\r\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<li>4<\/li>\n<li>5<\/li>\n<\/ul>\n<p><code>then()<\/code>\u6210\u5458\u7528\u4e8e\u5411Promise\u9644\u52a0\u56de\u8c03\u3002\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u4e00\u4e2a\u53ef\u8c03\u7528\u5bf9\u8c61\uff0c\u5f53\u6210\u529f\u89e3\u51b3Promise\u65f6\u5c06\u8c03\u7528\u5b83\u3002\u5982\u679c\u7531\u4e8e\u67d0\u79cd\u539f\u56e0\uff0c\u5728\u5f02\u6b65\u64cd\u4f5c\u671f\u95f4\u53d1\u751f\u9519\u8bef\uff0c\u5219\u53ef\u4ee5\u62d2\u7eddPromise\uff0c\u7136\u540e\u4f1a\u5931\u8d25\u3002\u5728\u672c\u4f8b\u4e2d\uff0c\u5c06\u8c03\u7528\u7b2c\u4e8c\u4e2a\u53ef\u8c03\u7528\u5bf9\u8c61\u3002Async::NoExcept\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u56de\u8c03\u51fd\u6570\uff0c\u5982\u679cPromise\u5931\u8d25\uff0c\u5b83\u5c06\u8c03\u7528std::terminate()\u3002\u8fd9\u76f8\u5f53\u4e8enoexcept\u5173\u952e\u5b57\u3002<\/p>\n<p>\u5176\u4ed6\u6cdb\u578b\u56de\u8c03\u4e5f\u53ef\u4ee5\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f7f\u7528:<\/p>\n<ul>\n<li>Async::IgnoreException\u5c06\u7b80\u5355\u5730\u5ffd\u7565\u8be5\u5f02\u5e38\u5e76\u8ba9\u7a0b\u5e8f\u7ee7\u7eed<\/li>\n<li>Async::Throw\u5c06\u201c\u91cd\u65b0\u629b\u51fa\u201d\u5f02\u5e38\uff0c\u76f4\u5230\u6700\u7ec8\u7684promise\u8c03\u7528\u94fe\u3002\u8fd9\u4e0ethrow\u5173\u952e\u5b57\u5177\u6709\u76f8\u540c\u7684\u6548\u679c\uff0c\u53ea\u662f\u5b83\u9002\u7528\u4e8epromise<\/li>\n<li>promise\u56de\u8c03\u4e2d\u7684\u5f02\u5e38\u901a\u8fc7exception_ptr\u4f20\u64ad\u3002promise\u4e5f\u53ef\u4ee5\u94fe\u63a5\u5728\u4e00\u8d77\uff0c\u4ee5\u521b\u5efa\u4e00\u4e2a\u5b8c\u6574\u7684\u5f02\u6b65\u7ba1\u9053:<\/li>\n<\/ul>\n<pre class=\"prettyprint\" data-index=\"22\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">auto<\/span> fetchOp <span class=\"token operator\">=<\/span> <span class=\"token function\">fetchDatabase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\nfetchOp\r\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">then<\/span><span class=\"token punctuation\">(<\/span>\r\n        <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> User<span class=\"token operator\">&amp;<\/span> user<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token function\">fetchUserInfo<\/span><span class=\"token punctuation\">(<\/span>user<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span>\r\n        Async<span class=\"token operator\">::<\/span>Throw<span class=\"token punctuation\">)<\/span>\r\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">then<\/span><span class=\"token punctuation\">(<\/span>\r\n        <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> UserInfo<span class=\"token operator\">&amp;<\/span> info<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">\"User name = \"<\/span> <span class=\"token operator\">&lt;&lt;<\/span> info<span class=\"token punctuation\">.<\/span>name <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">'\\n'<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span>\r\n        <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>exception_ptr ptr<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> std<span class=\"token operator\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">\"An exception occured during user retrieval\\n\"<\/span><span class=\"token punctuation\">;<\/span><span class=\"token punctuation\">}<\/span>\r\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<li>4<\/li>\n<li>5<\/li>\n<li>6<\/li>\n<li>7<\/li>\n<li>8<\/li>\n<li>9<\/li>\n<\/ul>\n<p>\u5982\u679cfetchDatabase()\u5931\u8d25\u5e76\u62d2\u7edd\u4e86promise\uff0c\u7b2c5\u884c\u5c06\u4f20\u64ad\u5f02\u5e38<\/p>\n<h1><a name=\"t11\"><\/a><a id=\"HEAD_230\"><\/a>HEAD<\/h1>\n<h2><a name=\"t12\"><\/a><a id=\"_231\"><\/a>\u6982\u8ff0<\/h2>\n<p>\u53d7Rust\u751f\u6001\u7cfb\u7edf\u548cHyper\u7684\u542f\u53d1\uff0cHTTP\u5934\u88ab\u8868\u793a\u4e3a\u7c7b\u578b\u5b89\u5168\u7684\u666e\u901a\u5bf9\u8c61\u3002\u4e0d\u518d\u5c06\u5934\u6587\u4ef6\u8868\u793a\u4e3a(key: string, value: value)\uff0c\u800c\u662f\u5c06\u5b83\u4eec\u8868\u793a\u4e3a\u666e\u901a\u5bf9\u8c61\uff0c\u8fd9\u5927\u5927\u964d\u4f4e\u4e86\u4f7f\u7528\u666e\u901a\u65e7\u5b57\u7b26\u4e32\u7f16\u8bd1\u5668\u65e0\u6cd5\u6355\u6349\u5230\u7684\u8f93\u5165\u9519\u8bef\u7684\u98ce\u9669\u3002<\/p>\n<p>\u76f8\u53cd\uff0c\u5bf9\u8c61\u8ba9\u7f16\u8bd1\u5668\u80fd\u591f\u5728\u7f16\u8bd1\u65f6\u76f4\u63a5\u6355\u83b7\u9519\u8bef\uff0c\u56e0\u4e3a\u7528\u6237\u4e0d\u80fd\u901a\u8fc7\u540d\u79f0\u6dfb\u52a0\u6216\u8bf7\u6c42\u5934\u6587\u4ef6\uff1a\u5b83\u5fc5\u987b\u4f7f\u7528\u6574\u4e2a\u7c7b\u578b\u3002\u7c7b\u578b\u5728\u7f16\u8bd1\u65f6\u5f3a\u5236\u6267\u884c\uff0c\u8fd9\u6709\u52a9\u4e8e\u51cf\u5c11\u5e38\u89c1\u7684\u8f93\u5165\u9519\u8bef\u3002<\/p>\n<p>\u5bf9\u4e8ePistache\uff0c\u6bcf\u4e2aHTTP Header\u90fd\u662f\u4e00\u4e2a\u7ee7\u627f\u81eaHTTP::Header\u57fa\u7c7b\u7684\u7c7b\uff0c\u5e76\u4f7f\u7528NAME()\u5b8f\u6765\u5b9a\u4e49Header\u7684\u540d\u79f0\u3002HTTP\u8bf7\u6c42\u6216\u54cd\u5e94\u4e2d\u7684\u6240\u6709\u5934\u7684\u5217\u8868\u5b58\u50a8\u5728\u4e00\u4e2a\u5185\u90e8std::unordered_map\u4e2d\uff0c\u5305\u88c5\u5728<code>Header::Collection<\/code>\u7c7b\u4e2d\u3002\u5355\u4e2a\u6807\u5934\u53ef\u4ee5\u901a\u8fc7\u6574\u4e2a\u6807\u5934\u7c7b\u578b\u83b7\u53d6\u6216\u6dfb\u52a0\u5230\u8be5\u5bf9\u8c61\u4e2d:<\/p>\n<pre class=\"prettyprint\" data-index=\"23\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">auto<\/span> headers <span class=\"token operator\">=<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">headers<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">auto<\/span> ct <span class=\"token operator\">=<\/span> headers<span class=\"token punctuation\">.<\/span>get<span class=\"token operator\">&lt;<\/span>Http<span class=\"token operator\">::<\/span>Header<span class=\"token operator\">::<\/span>ContentType<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<\/ul>\n<p>\u5f53H\u4e3a<code>H::Header<\/code>\u00a0(H\u7ee7\u627f\u81eaHeader)\u65f6\uff0cget&lt; T&gt;\u5c06\u8fd4\u56de\u4e00\u4e2astd::shared_ptr&lt; T&gt;\u3002\u5982\u679cHeader\u4e0d\u5b58\u5728\uff0cget&lt; T&gt;\u5c06\u629b\u51fa\u5f02\u5e38\u3002tryGet&lt; T&gt;\u63d0\u4f9b\u4e86\u4e00\u4e2a\u975e\u629b\u51fa\u7684\u66ff\u4ee3\u65b9\u6cd5\uff0c\u5b83\u8fd4\u56de\u4e00\u4e2a\u7a7a\u6307\u9488\u3002<\/p>\n<blockquote><p>\u5185\u7f6e\u7684header\uff1a<br \/>\nPistache\u63d0\u4f9b\u7684\u5934\u6587\u4ef6\u4f4d\u4e8eHttp::Header\u540d\u79f0\u7a7a\u95f4\u4e2d<\/p><\/blockquote>\n<h2><a name=\"t13\"><\/a><a id=\"Header_246\"><\/a>\u5b9a\u4e49\u81ea\u5df1\u7684Header<\/h2>\n<p>HTTP RFC (RFC2616)\u5b9a\u4e49\u7684\u516c\u5171\u62a5\u5934\u5df2\u7ecf\u5b9e\u73b0\u5e76\u4e14\u53ef\u7528\u3002\u7136\u800c\uff0c\u4e00\u4e9bapi\u53ef\u80fd\u5b9a\u4e49\u4e86Pistache\u4e2d\u4e0d\u5b58\u5728\u7684\u989d\u5916\u5934\u6587\u4ef6\u3002\u4e3a\u4e86\u652f\u6301\u4f60\u81ea\u5df1\u7684\u5934\u7c7b\u578b\uff0c\u4f60\u53ef\u4ee5\u5b9a\u4e49\u548c\u6ce8\u518c\u4f60\u81ea\u5df1\u7684HTTP\u5934\uff0c\u9996\u5148\u58f0\u660e\u4e00\u4e2a\u7ee7\u627fHTTP:: header\u7c7b\u7684\u7c7b:<\/p>\n<pre class=\"prettyprint\" data-index=\"24\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">XProtocolVersion<\/span> <span class=\"token operator\">:<\/span> <span class=\"token keyword\">public<\/span> Http<span class=\"token operator\">::<\/span>Header <span class=\"token punctuation\">{<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<\/ul>\n<p>\u56e0\u4e3a\u6bcf\u4e2aHeader\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\uff0c\u6240\u4ee5\u5fc5\u987b\u4f7f\u7528NAME()\u5b8f\u6b63\u786e\u5730\u547d\u540d\u5934\u6587\u4ef6:<\/p>\n<pre class=\"prettyprint\" data-index=\"25\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">XProtocolVersion<\/span> <span class=\"token operator\">:<\/span> <span class=\"token keyword\">public<\/span> Http<span class=\"token operator\">::<\/span>Header <span class=\"token punctuation\">{<\/span>\r\n    <span class=\"token function\">NAME<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"X-Protocol-Version\"<\/span><span class=\"token punctuation\">)<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<\/ul>\n<p>Http::Header\u57fa\u7c7b\u63d0\u4f9b\u4e86\u4e24\u4e2a\u865a\u65b9\u6cd5\uff0c\u4f60\u5fc5\u987b\u5728\u81ea\u5df1\u7684\u5b9e\u73b0\u4e2d\u91cd\u5199\u5b83\u4eec:<\/p>\n<pre class=\"prettyprint\" data-index=\"26\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">void<\/span> <span class=\"token function\">parse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token operator\">::<\/span>string<span class=\"token operator\">&amp;<\/span> data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<p>\u8fd9\u4e2a\u51fd\u6570\u7528\u4e8e\u89e3\u6790\u5b57\u7b26\u4e32\u8868\u793a\u7684\u5934\u3002\u6216\u8005\uff0c\u4e3a\u4e86\u907f\u514d\u4e3a\u5b57\u7b26\u4e32\u8868\u793a\u5206\u914d\u5185\u5b58\uff0c\u53ef\u4ee5\u4f7f\u7528\u539f\u59cb\u7248\u672c:<\/p>\n<pre class=\"prettyprint\" data-index=\"27\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">void<\/span> <span class=\"token function\">parseRaw<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span> str<span class=\"token punctuation\">,<\/span> size_t len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<p>str\u5c06\u76f4\u63a5\u6307\u5411\u539f\u59cbHTTP\u6d41\u4e2d\u7684\u62a5\u5934\u7f13\u51b2\u533a\u3002len\u53c2\u6570\u662f\u62a5\u5934\u503c\u7684\u603b\u957f\u5ea6\u3002<\/p>\n<pre class=\"prettyprint\" data-index=\"28\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">void<\/span> <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span>ostream<span class=\"token operator\">&amp;<\/span> stream<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">const<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<p>\u5f53\u5c06\u54cd\u5e94\u5199\u56de\u5ba2\u6237\u7aef\u65f6\uff0cwrite\u51fd\u6570\u7528\u4e8e\u5c06\u62a5\u5934\u5e8f\u5217\u5316\u5230\u7f51\u7edc\u7f13\u51b2\u533a\u4e2d\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u5c06\u8fd9\u4e9b\u51fd\u6570\u7ec4\u5408\u5728\u4e00\u8d77\u6765\u5b8c\u6210\u524d\u9762\u58f0\u660e\u7684\u5934\u6587\u4ef6\u7684\u5b9e\u73b0:<\/p>\n<pre class=\"prettyprint\" data-index=\"29\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">XProtocolVersion<\/span> <span class=\"token operator\">:<\/span> <span class=\"token keyword\">public<\/span> Http<span class=\"token operator\">::<\/span>Header <span class=\"token punctuation\">{<\/span>\r\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span>\r\n\r\n    <span class=\"token function\">NAME<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"X-Protocol-Version\"<\/span><span class=\"token punctuation\">)<\/span>\r\n\r\n    <span class=\"token function\">XProtocolVersion<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n     <span class=\"token operator\">:<\/span> <span class=\"token function\">minor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span>\r\n     <span class=\"token punctuation\">,<\/span> <span class=\"token function\">major<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span>\r\n    <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span>\r\n\r\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">parse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token operator\">::<\/span>string<span class=\"token operator\">&amp;<\/span> data<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n        <span class=\"token keyword\">auto<\/span> pos <span class=\"token operator\">=<\/span> data<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">'.'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">!=<\/span> std<span class=\"token operator\">::<\/span>string<span class=\"token operator\">::<\/span>npos<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n            minor <span class=\"token operator\">=<\/span> std<span class=\"token operator\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">.<\/span><span class=\"token function\">substr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> pos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n            major <span class=\"token operator\">=<\/span> std<span class=\"token operator\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">.<\/span><span class=\"token function\">substr<\/span><span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">+<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n        <span class=\"token punctuation\">}<\/span>\r\n    <span class=\"token punctuation\">}<\/span>\r\n\r\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span>ostream<span class=\"token operator\">&amp;<\/span> os<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span>\r\n        os <span class=\"token operator\">&lt;&lt;<\/span> minor <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">\".\"<\/span> <span class=\"token operator\">&lt;&lt;<\/span> major<span class=\"token punctuation\">;<\/span>\r\n    <span class=\"token punctuation\">}<\/span>\r\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span>\r\n    <span class=\"token keyword\">int<\/span> minor<span class=\"token punctuation\">;<\/span>\r\n    <span class=\"token keyword\">int<\/span> major<span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<li>4<\/li>\n<li>5<\/li>\n<li>6<\/li>\n<li>7<\/li>\n<li>8<\/li>\n<li>9<\/li>\n<li>10<\/li>\n<li>11<\/li>\n<li>12<\/li>\n<li>13<\/li>\n<li>14<\/li>\n<li>15<\/li>\n<li>16<\/li>\n<li>17<\/li>\n<li>18<\/li>\n<li>19<\/li>\n<li>20<\/li>\n<li>21<\/li>\n<li>22<\/li>\n<li>23<\/li>\n<li>24<\/li>\n<li>25<\/li>\n<\/ul>\n<p>\u5c31\u662f\u8fd9\u6837\u3002\u73b0\u5728\u6211\u4eec\u8981\u505a\u7684\u5c31\u662f\u5c06\u5934\u6587\u4ef6\u6ce8\u518c\u5230\u6ce8\u518c\u8868\u7cfb\u7edf\u4e2d:<\/p>\n<pre class=\"prettyprint\" data-index=\"30\"><code class=\"prism language-cpp has-numbering\">Header<span class=\"token operator\">::<\/span>Registry<span class=\"token operator\">::<\/span>registerHeader<span class=\"token operator\">&lt;<\/span>XProtocolVersion<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<blockquote><p>\u60a8\u5e94\u8be5\u59cb\u7ec8\u4e3a\u60a8\u7684\u5934\u6587\u4ef6\u63d0\u4f9b\u4e00\u4e2a\u9ed8\u8ba4\u6784\u9020\u51fd\u6570\uff0c\u4ee5\u4fbf\u6ce8\u518c\u8868\u7cfb\u7edf\u53ef\u4ee5\u5b9e\u4f8b\u5316\u5b83<\/p><\/blockquote>\n<p>\u73b0\u5728\uff0c\u53ef\u4ee5\u50cfheader::Collection\u7c7b\u4e2d\u7684\u4efb\u4f55\u5176\u4ed6\u5934\u6587\u4ef6\u4e00\u6837\u68c0\u7d22\u548c\u6dfb\u52a0XProtocolVersion\u3002<\/p>\n<blockquote><p><strong>UNKNOWN HEADERS<\/strong>\uff1a\u6ce8\u518c\u8868\u7cfb\u7edf\u4e0d\u77e5\u9053\u7684\u5934\u5c06\u4f5c\u4e3a\u539f\u59cb\u5b57\u7b26\u4e32\u5bf9\u5b58\u50a8\u5728Collection\u7c7b\u4e2d\u3002getRaw()\u53ef\u7528\u4e8e\u68c0\u7d22\u539f\u59cb\u5934\u6587\u4ef6:<\/p>\n<pre class=\"prettyprint\" data-index=\"31\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">auto<\/span> myHeader <span class=\"token operator\">=<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">headers<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getRaw<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"x-raw-header\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\nmyHeader<span class=\"token punctuation\">.<\/span><span class=\"token function\">name<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ x-raw-header<\/span>\r\nmyHeader<span class=\"token punctuation\">.<\/span><span class=\"token function\">value<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ returns the value of the header as a string<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<li>3<\/li>\n<\/ul>\n<\/blockquote>\n<h2><a name=\"t14\"><\/a><a id=\"MIME_317\"><\/a>MIME\u7c7b\u578b<\/h2>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Media_type\" target=\"_blank\" rel=\"noopener\">MIME\u7c7b\u578b<\/a>(\u6216\u5a92\u4f53\u7c7b\u578b)\u4e5f\u662f\u5168\u7c7b\u578b\u7684\u3002\u4f8b\u5982\uff0c\u5728HTTP\u8bf7\u6c42\u6216\u54cd\u5e94\u4e2d\u4f7f\u7528\u6b64\u7c7b\u7c7b\u578b\u6765\u63cf\u8ff0\u6d88\u606f\u4f53\u4e2d\u5305\u542b\u7684\u6570\u636e(Content-Type\u5934\uff0c\u2026)\uff0c\u5e76\u4e14\u7531\u7c7b\u578b\u3001\u5b50\u7c7b\u578b\u548c\u53ef\u9009\u7684\u540e\u7f00\u548c\u53c2\u6570\u7ec4\u6210\u3002<\/p>\n<p>MIME\u7c7b\u578b\u7531MIME::MediaType\u7c7b\u8868\u793a\uff0c\u5728MIME .h\u5934\u6587\u4ef6\u4e2d\u5b9e\u73b0\u3002MIME\u7c7b\u578b\u53ef\u4ee5\u76f4\u63a5\u4ece\u5b57\u7b26\u4e32\u6784\u9020:<\/p>\n<pre class=\"prettyprint\" data-index=\"32\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">auto<\/span> mime <span class=\"token operator\">=<\/span> Http<span class=\"token operator\">::<\/span>Mime<span class=\"token operator\">::<\/span>MediaType<span class=\"token operator\">::<\/span><span class=\"token function\">fromString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"application\/json\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<p>\u7136\u800c\uff0c\u4e3a\u4e86\u5f3a\u5236\u7c7b\u578b\u5b89\u5168\uff0c\u901a\u7528\u7c7b\u578b\u90fd\u8868\u793a\u4e3a\u679a\u4e3e:<\/p>\n<pre class=\"prettyprint\" data-index=\"33\"><code class=\"prism language-cpp has-numbering\">Http<span class=\"token operator\">::<\/span>Mime<span class=\"token operator\">::<\/span>MediaType <span class=\"token function\">m1<\/span><span class=\"token punctuation\">(<\/span>Http<span class=\"token operator\">::<\/span>Mime<span class=\"token operator\">::<\/span>Type<span class=\"token operator\">::<\/span>Application<span class=\"token punctuation\">,<\/span> Http<span class=\"token operator\">::<\/span>Mime<span class=\"token operator\">::<\/span>Subtype<span class=\"token operator\">::<\/span>Json<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<p>\u4e3a\u4e86\u907f\u514d\u8fd9\u6837\u7684\u952e\u5165\u75db\u82e6\uff0c\u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e2aMIME\u5b8f:<\/p>\n<pre class=\"prettyprint\" data-index=\"34\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">auto<\/span> m1 <span class=\"token operator\">=<\/span> <span class=\"token function\">MIME<\/span><span class=\"token punctuation\">(<\/span>Application<span class=\"token punctuation\">,<\/span> Json<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u540e\u7f00mime\uff0c\u4f7f\u7528\u7279\u6b8a\u7684MIME3\u5b8f:<\/p>\n<pre class=\"prettyprint\" data-index=\"35\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">auto<\/span> m1 <span class=\"token operator\">=<\/span> <span class=\"token function\">MIME3<\/span><span class=\"token punctuation\">(<\/span>Application<span class=\"token punctuation\">,<\/span> Json<span class=\"token punctuation\">,<\/span> Zip<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u559c\u6b22\u6253\u5b57\uff0c\u4f60\u4e5f\u53ef\u4ee5\u7528\u957f\u683c\u5f0f:<\/p>\n<pre class=\"prettyprint\" data-index=\"36\"><code class=\"prism language-cpp has-numbering\">Http<span class=\"token operator\">::<\/span>Mime<span class=\"token operator\">::<\/span>MediaType <span class=\"token function\">m1<\/span><span class=\"token punctuation\">(<\/span>Http<span class=\"token operator\">::<\/span>Mime<span class=\"token operator\">::<\/span>Type<span class=\"token operator\">::<\/span>Application<span class=\"token punctuation\">,<\/span> Http<span class=\"token operator\">::<\/span>Mime<span class=\"token operator\">::<\/span>Subtype<span class=\"token operator\">::<\/span>Json<span class=\"token punctuation\">,<\/span> Http<span class=\"token operator\">::<\/span>Mime<span class=\"token operator\">::<\/span>Suffix<span class=\"token operator\">::<\/span>Zip<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<\/ul>\n<p>toString()\u51fd\u6570\u53ef\u7528\u4e8e\u83b7\u53d6\u7ed9\u5b9aMIME\u7c7b\u578b\u7684\u5b57\u7b26\u4e32\u8868\u793a:<\/p>\n<pre class=\"prettyprint\" data-index=\"37\"><code class=\"prism language-cpp has-numbering\"><span class=\"token keyword\">auto<\/span> m1 <span class=\"token operator\">=<\/span> <span class=\"token function\">MIME<\/span><span class=\"token punctuation\">(<\/span>Text<span class=\"token punctuation\">,<\/span> Html<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\nm1<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ text\/html<\/span>\r\n<\/code><\/pre>\n<ul class=\"pre-numbering\">\n<li>1<\/li>\n<li>2<\/li>\n<\/ul>\n<h1><a name=\"t15\"><\/a><a id=\"_347\"><\/a>\u8def\u7531<\/h1>\n<\/div>\n<\/div>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u6587\u5730\u5740 OceanStar\u7684\u5b66\u4e60\u7b14\u8bb0\u4e8e<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[24],"tags":[121],"class_list":["post-5891","post","type-post","status-publish","format-standard","hentry","category-value_docs","tag-05-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/5891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=5891"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/5891\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=5891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=5891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=5891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}