{"id":5792,"date":"2022-05-18T23:51:38","date_gmt":"2022-05-18T15:51:38","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=5792"},"modified":"2022-05-18T23:52:01","modified_gmt":"2022-05-18T15:52:01","slug":"5792","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/5792","title":{"rendered":"\u534a\u5c0f\u65f6\u641e\u61c2 HTTP\u3001HTTPS\u548cHTTP2"},"content":{"rendered":"
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\u539f\u6587\u5730\u5740<\/a><\/p>\n

 <\/p>\n

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2021-02-23 14:57<\/span>\u4f18\u8d28\u79d1\u6280\u9886\u57df\u521b\u4f5c\u8005<\/span><\/div>\n<\/div>\n
\u5173\u6ce8<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n
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<\/div>\n<\/div>\n
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\uff08\u6b64\u56fe\u5728\u7f51\u4e0a\u627e\u6765\u7684\uff0c\u4fb5\u5220\uff09<\/span><\/p>\n<\/div>\n

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HTTP \u6982\u8ff0<\/span><\/p>\n<\/div>\n

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HTTP \u8d85\u6587\u672c\u4f20\u8f93\u534f\u8bae\u662f\u4f4d\u4e8e TCP\/IP \u4f53\u7cfb\u7ed3\u6784\u4e2d\u7684\u5e94\u7528\u5c42\u534f\u8bae\uff0c\u5b83\u662f\u4e07\u7ef4\u7f51\u6570\u636e\u901a\u4fe1\u7684\u57fa\u7840\u3002<\/span><\/p>\n<\/div>\n

\n

\u5f53\u6211\u4eec\u8bbf\u95ee\u4e00\u4e2a\u7f51\u7ad9\u65f6\uff0c\u9700\u8981\u901a\u8fc7\u7edf\u4e00\u8d44\u6e90\u5b9a\u4f4d\u7b26\uff08uniform resource locator\uff0cURL\uff09\u6765\u5b9a\u4f4d\u670d\u52a1\u5668\u5e76\u83b7\u53d6\u8d44\u6e90\u3002<\/span><\/p>\n<\/div>\n

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<\u534f\u8bae>:\/\/<\u57df\u540d>:<\u7aef\u53e3>\/<\u8def\u5f84><\/span><\/span><\/p>\n<\/div>\n

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\u4e00\u4e2a URL \u7684\u4e00\u822c\u5f62\u5f0f\u901a\u5e38\u5982\u4e0a\u6240\u793a\uff08http:\/\/test.com\/index.html \uff09\uff0c\u73b0\u5728\u6700\u5e38\u7528\u7684\u534f\u8bae\u5c31\u662f HTTP\uff0cHTTP \u7684\u9ed8\u8ba4\u7aef\u53e3\u662f 80\uff0c\u901a\u5e38\u53ef\u4ee5\u7701\u7565\u3002<\/span><\/p>\n<\/div>\n

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<\/div>\n<\/div>\n
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HTTP\/1.1<\/span><\/p>\n<\/div>\n

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HTTP\/1.1 \u662f\u76ee\u524d\u4f7f\u7528\u6700\u5e7f\u6cdb\u7684\u7248\u672c\uff0c\u4e00\u822c\u6ca1\u6709\u7279\u522b\u6807\u660e\u7248\u672c\u90fd\u662f\u6307 HTTP\/1.1\u3002<\/span><\/p>\n<\/div>\n

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HTTP \u8fde\u63a5\u5efa\u7acb\u8fc7\u7a0b<\/span><\/span><\/p>\n<\/div>\n

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\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u5728\u6d4f\u89c8\u5668\u8f93\u5165 URL \u540e\u83b7\u53d6 HTML \u9875\u9762\u7684\u8fc7\u7a0b\u3002<\/span><\/p>\n<\/div>\n

\n

\u5148\u901a\u8fc7\u57df\u540d\u7cfb\u7edf\uff08Domain Name System\uff0cDNS\uff09\u67e5\u8be2\u5c06\u57df\u540d\u8f6c\u6362\u4e3a IP \u5730\u5740\u3002\u5373\u5c06 test.com \u8f6c\u6362\u4e3a 221.239.100.30 \u8fd9\u4e00\u8fc7\u7a0b\u3002<\/span><\/span>\u901a\u8fc7\u4e09\u6b21\u63e1\u624b\uff08\u7a0d\u540e\u4f1a\u8bb2\uff09\u5efa\u7acb TCP \u8fde\u63a5\u3002<\/span><\/span>\u53d1\u8d77 HTTP \u8bf7\u6c42\u3002<\/span><\/span>\u76ee\u6807\u670d\u52a1\u5668\u63a5\u6536\u5230 HTTP \u8bf7\u6c42\u5e76\u5904\u7406\u3002<\/span><\/span>\u76ee\u6807\u670d\u52a1\u5668\u5f80\u6d4f\u89c8\u5668\u53d1\u56de HTTP \u54cd\u5e94\u3002<\/span><\/span>\u6d4f\u89c8\u5668\u89e3\u6790\u5e76\u6e32\u67d3\u9875\u9762\u3002<\/span><\/span><\/span>\u4e0b\u56fe\u4e2d\u7684 RTT \u4e3a\u5f80\u8fd4\u65f6\u5ef6\uff08Round-Trip Time\uff1a \u5f80\u8fd4\u65f6\u5ef6\u3002\u8868\u793a\u4ece\u53d1\u9001\u7aef\u53d1\u9001\u6570\u636e\u5f00\u59cb\uff0c\u5230\u53d1\u9001\u7aef\u6536\u5230\u6765\u81ea\u63a5\u6536\u7aef\u7684\u786e\u8ba4\uff0c\u603b\u5171\u7ecf\u5386\u7684\u65f6\u5ef6\uff09\u3002<\/span><\/p>\n<\/div>\n

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<\/div>\n<\/div>\n
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HTTP \u8fde\u63a5\u62c6\u9664\u8fc7\u7a0b<\/span><\/span><\/p>\n<\/div>\n

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\u6240\u6709 HTTP \u5ba2\u6237\u7aef\uff08\u6d4f\u89c8\u5668\uff09\u3001\u670d\u52a1\u5668\u90fd\u53ef\u5728\u4efb\u610f\u65f6\u523b\u5173\u95ed TCP \u8fde\u63a5\u3002\u901a\u5e38\u4f1a\u5728\u4e00\u6761\u62a5\u6587\u7ed3\u675f\u65f6\u5173\u95ed\u8fde\u63a5\uff0c\u4f46\u51fa\u9519\u7684\u65f6\u5019\uff0c\u4e5f\u53ef\u80fd\u5728\u9996\u90e8\u884c\u7684\u4e2d\u95f4\u6216\u5176\u4ed6\u4efb\u610f\u4f4d\u7f6e\u5173\u95ed\u8fde\u63a5\u3002<\/span><\/p>\n<\/div>\n

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TCP \u4e09\u6b21\u63e1\u624b\u548c\u56db\u6b21\u6325\u624b<\/span><\/span><\/p>\n<\/div>\n

\n

\u7531\u4e8e HTTP \u662f\u57fa\u4e8e TCP \u7684\uff0c\u6240\u4ee5\u6253\u7b97\u5728\u8fd9\u8865\u5145\u4e00\u4e0b TCP \u8fde\u63a5\u5efa\u7acb\u548c\u62c6\u9664\u7684\u8fc7\u7a0b\u3002<\/span><\/p>\n<\/div>\n

\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3\u4e00\u4e9b TCP \u62a5\u6587\u6bb5\u7684\u5b57\u6bb5\u548c\u6807\u5fd7\u4f4d\uff1a<\/span><\/p>\n<\/div>\n

\n

32 \u6bd4\u7279\u7684\u5e8f\u53f7\u5b57\u6bb5\u548c\u786e\u8ba4\u53f7\u5b57\u6bb5\uff0cTCP \u5b57\u8282\u6d41\u6bcf\u4e00\u4e2a\u5b57\u8282\u90fd\u6309\u987a\u5e8f\u7f16\u53f7\u3002\u786e\u8ba4\u53f7\u662f\u63a5\u6536\u65b9\u671f\u671b\u4ece\u5bf9\u65b9\u6536\u5230\u7684\u4e0b\u4e00\u5b57\u8282\u7684\u5e8f\u53f7\u3002<\/span><\/span>ACK \u6807\u5fd7\u4f4d\uff0c\u7528\u4e8e\u6307\u793a\u786e\u8ba4\u5b57\u6bb5\u4e2d\u7684\u503c\u662f\u6709\u6548\u7684 ACK=1 \u6709\u6548\uff0cACK=0 \u65e0\u6548\u3002<\/span><\/span>SYN \u6807\u5fd7\u4f4d\uff0c\u7528\u4e8e\u8fde\u63a5\u5efa\u7acb\uff0cSYN \u4e3a 1 \u65f6\uff0c\u8868\u660e\u8fd9\u662f\u4e00\u4e2a\u8bf7\u6c42\u5efa\u7acb\u8fde\u63a5\u62a5\u6587\u3002<\/span><\/span>FIN \u6807\u5fd7\u4f4d\uff0c\u7528\u4e8e\u8fde\u63a5\u62c6\u9664\uff0cFIN \u4e3a 1 \u65f6\uff0c\u8868\u660e\u53d1\u9001\u65b9\u6570\u636e\u5df2\u53d1\u9001\u5b8c\u6bd5\uff0c\u5e76\u8981\u6c42\u91ca\u653e\u8fde\u63a5\u3002<\/span><\/span><\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
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TCP \u4e09\u6b21\u63e1\u624b\u5efa\u7acb\u8fde\u63a5<\/span><\/span><\/p>\n<\/div>\n

\n

TCP \u6807\u51c6\u89c4\u5b9a\uff0cACK \u62a5\u6587\u6bb5\u53ef\u4ee5\u643a\u5e26\u6570\u636e\uff0c\u4f46\u4e0d\u643a\u5e26\u6570\u636e\u5c31\u4e0d\u7528\u6d88\u8017\u5e8f\u53f7\u3002<\/span><\/p>\n<\/div>\n

\n

\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a\u4e0d\u5305\u542b\u5e94\u7528\u5c42\u6570\u636e\u7684 TCP \u62a5\u6587\u6bb5\uff0c\u9996\u90e8\u7684 SYN \u7f6e\u4e3a 1\uff0c\u968f\u673a\u9009\u62e9\u4e00\u4e2a\u521d\u59cb\u5e8f\u53f7\uff08\u4e00\u822c\u4e3a 0\uff09\u653e\u5728 TCP \u62a5\u6587\u6bb5\u7684\u5e8f\u53f7\u5b57\u6bb5\u4e2d\u3002\uff08SYN \u4e3a 1 \u7684\u65f6\u5019\uff0c\u4e0d\u80fd\u643a\u5e26\u6570\u636e\uff0c\u4f46\u8981\u6d88\u8017\u6389\u4e00\u4e2a\u5e8f\u53f7\uff09<\/span><\/span>TCP \u62a5\u6587\u6bb5\u5230\u8fbe\u670d\u52a1\u5668\u4e3b\u673a\u540e\uff0c\u670d\u52a1\u5668\u63d0\u53d6\u62a5\u6587\u6bb5\uff0c\u5e76\u4e3a\u8be5 TCP \u8fde\u63a5\u5206\u914d\u7f13\u5b58\u548c\u53d8\u91cf\u3002\u7136\u540e\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u5141\u8bb8\u8fde\u63a5\u7684 ACK \u62a5\u6587\u6bb5\uff08\u4e0d\u5305\u542b\u5e94\u7528\u5c42\u6570\u636e\uff09\u3002\u8fd9\u4e2a\u62a5\u6587\u6bb5\u7684\u9996\u90e8\u5305\u542b 4 \u4e2a\u4fe1\u606f\uff1aACK \u7f6e \u4e3a 1\uff0cSYN \u7f6e\u4e3a 1\uff1b\u786e\u8ba4\u53f7\u5b57\u6bb5\u7f6e\u4e3a\u5ba2\u6237\u7aef\u7684\u5e8f\u53f7 + 1\uff1b\u968f\u673a\u9009\u62e9\u81ea\u5df1\u7684\u521d\u59cb\u5e8f\u53f7\uff08\u4e00\u822c\u4e3a 0\uff09\u3002<\/span><\/span>\u6536\u5230\u670d\u52a1\u5668\u7684 TCP \u54cd\u5e94\u62a5\u6587\u6bb5\u540e\uff0c\u5ba2\u6237\u7aef\u4e5f\u8981\u4e3a\u8be5 TCP \u8fde\u63a5\u5206\u914d\u7f13\u5b58\u548c\u53d8\u91cf\uff0c\u5e76\u5411\u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2a ACK \u62a5\u6587\u6bb5\u3002\u8fd9\u4e2a\u62a5\u6587\u6bb5\u5c06\u670d\u52a1\u5668\u7aef\u7684\u5e8f\u53f7 + 1 \u653e\u7f6e\u5728\u786e\u8ba4\u53f7\u5b57\u6bb5\u4e2d\uff0c\u7528\u6765\u5bf9\u670d\u52a1\u5668\u5141\u8bb8\u8fde\u63a5\u7684\u62a5\u6587\u6bb5\u8fdb\u884c\u54cd\u5e94\uff0c\u56e0\u4e3a\u8fde\u63a5\u5df2\u7ecf\u5efa\u7acb\uff0c\u6240\u4ee5 SYN \u7f6e\u4e3a 0\u3002\u6700\u540e\u4e00\u4e2a\u9636\u6bb5\uff0c\u62a5\u6587\u6bb5\u53ef\u4ee5\u643a\u5e26\u5ba2\u6237\u5230\u670d\u52a1\u5668\u7684\u6570\u636e\u3002\u5e76\u4e14\u4ee5\u540e\u7684\u6bcf\u4e00\u4e2a\u62a5\u6587\u6bb5\uff0cSYN \u90fd\u7f6e\u4e3a 0\u3002<\/span><\/span><\/span>\u4e0b\u56fe\u662f\u4e00\u4e2a\u5177\u4f53\u7684\u793a\u4f8b\uff1a<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
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\uff08\u6b64\u622a\u56fe\u662f\u6211\u4f7f\u7528 Wireshark \u6293\u5305\u5de5\u5177\u622a\u53d6\u7684 TCP \u62a5\u6587\u6bb5\u622a\u56fe\uff09\u3002<\/span><\/p>\n<\/div>\n

\n

TCP \u56db\u6b21\u6325\u624b\u62c6\u9664\u8fde\u63a5<\/span><\/span><\/p>\n<\/div>\n

\n

FIN \u62a5\u6587\u6bb5\u5373\u4f7f\u4e0d\u643a\u5e26\u6570\u636e\uff0c\u4e5f\u8981\u6d88\u8017\u5e8f\u53f7\u3002<\/span><\/p>\n<\/div>\n

\n

\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a FIN \u7f6e\u4e3a 1 \u7684\u62a5\u6587\u6bb5\u3002<\/span><\/span>\u670d\u52a1\u5668\u56de\u9001\u4e00\u4e2a\u786e\u8ba4\u62a5\u6587\u6bb5\u3002<\/span><\/span>\u670d\u52a1\u5668\u53d1\u9001 FIN \u7f6e\u4e3a 1 \u7684\u62a5\u6587\u6bb5\u3002<\/span><\/span>\u5ba2\u6237\u7aef\u56de\u9001\u4e00\u4e2a\u786e\u8ba4\u62a5\u6587\u6bb5\u3002<\/span><\/span><\/span>TCP \u4e3a\u4ec0\u4e48\u662f\u56db\u6b21\u6325\u624b\uff0c\u800c\u4e0d\u662f\u4e09\u6b21\uff1f<\/span><\/span><\/p>\n<\/div>\n

\n

\u5f53 A \u7ed9 B \u53d1\u9001 FIN \u62a5\u6587\u65f6\uff0c\u4ee3\u8868 A \u4e0d\u518d\u53d1\u9001\u62a5\u6587\uff0c\u4f46\u4ecd\u53ef\u4ee5\u63a5\u6536\u62a5\u6587\u3002<\/span><\/span>B \u53ef\u80fd\u8fd8\u6709\u6570\u636e\u9700\u8981\u53d1\u9001\uff0c\u56e0\u6b64\u5148\u53d1\u9001 ACK \u62a5\u6587\uff0c\u544a\u77e5 A \u201c\u6211\u77e5\u9053\u4f60\u60f3\u65ad\u5f00\u8fde\u63a5\u7684\u8bf7\u6c42\u4e86\u201d\u3002\u8fd9\u6837 A \u4fbf\u4e0d\u4f1a\u56e0\u4e3a\u6ca1\u6709\u6536\u5230\u5e94\u7b54\u800c\u7ee7\u7eed\u53d1\u9001\u65ad\u5f00\u8fde\u63a5\u7684\u8bf7\u6c42\uff08\u5373 FIN \u62a5\u6587\uff09\u3002<\/span><\/span>B \u5728\u5904\u7406\u5b8c\u6570\u636e\u540e\uff0c\u5c31\u5411 A \u53d1\u9001\u4e00\u4e2a FIN \u62a5\u6587\uff0c\u7136\u540e\u8fdb\u5165 LAST_ACK \u9636\u6bb5\uff08\u8d85\u65f6\u7b49\u5f85\uff09\u3002<\/span><\/span>A \u5411 B \u53d1\u9001 ACK \u62a5\u6587\uff0c\u53cc\u65b9\u90fd\u65ad\u5f00\u8fde\u63a5\u3002<\/span><\/span><\/span>HTTP \u62a5\u6587\u683c\u5f0f<\/span><\/span><\/p>\n<\/div>\n

\n

HTTP \u62a5\u6587\u7531\u8bf7\u6c42\u884c\u3001\u9996\u90e8\u3001\u5b9e\u4f53\u4e3b\u4f53\u7ec4\u6210\uff0c\u5b83\u4eec\u4e4b\u95f4\u7531 CRLF\uff08\u56de\u8f66\u6362\u884c\u7b26\uff09 \u5206\u9694\u5f00\u3002<\/span><\/p>\n<\/div>\n

\n

\u6ce8\u610f\uff1a\u5b9e\u4f53\u5305\u62ec\u9996\u90e8(\u4e5f\u79f0\u4e3a\u5b9e\u4f53\u9996\u90e8)\u548c\u5b9e\u4f53\u4e3b\u4f53\uff0csp \u5373\u662f\u7a7a\u683c space<\/span>\u3002<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

\u8bf7\u6c42\u884c\u548c\u9996\u90e8\u662f\u7531 ASCII \u6587\u672c\u7ec4\u6210\u7684\uff0c\u5b9e\u4f53\u4e3b\u4f53\u662f\u53ef\u9009\u7684\uff0c\u53ef\u4ee5\u4e3a\u7a7a\u4e5f\u53ef\u4ee5\u662f\u4efb\u610f\u4e8c\u8fdb\u5236\u6570\u636e\u3002<\/span><\/p>\n<\/div>\n

\n

\u8bf7\u6c42\u62a5\u6587\u548c\u54cd\u5e94\u62a5\u6587\u7684\u683c\u5f0f\u57fa\u672c\u76f8\u540c\u3002<\/span><\/p>\n<\/div>\n

\n

\u8bf7\u6c42\u62a5\u6587\u683c\u5f0f<\/span>\uff1a<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

\u54cd\u5e94\u62a5\u6587\u683c\u5f0f<\/span>\uff1a<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

\u4e00\u4e2a\u8bf7\u6c42\u6216\u54cd\u5e94\u62a5\u6587\u7531\u4ee5\u4e0b\u5b57\u6bb5\u7ec4\u6210<\/span>\uff1a<\/span><\/p>\n<\/div>\n

\n

\u8bf7\u6c42\u65b9\u6cd5\uff0c\u5ba2\u6237\u7aef\u5e0c\u671b\u670d\u52a1\u5668\u5bf9\u8d44\u6e90\u6267\u884c\u7684\u52a8\u4f5c\u3002<\/span><\/span>\u8bf7\u6c42 URL\uff0c\u547d\u540d\u4e86\u6240\u8bf7\u6c42\u7684\u8d44\u6e90\u3002<\/span><\/span>\u534f\u8bae\u7248\u672c\uff0c\u62a5\u6587\u6240\u4f7f\u7528\u7684 HTTP \u7248\u672c\u3002<\/span><\/span>\u72b6\u6001\u7801\uff0c\u8fd9\u4e09\u4f4d\u6570\u5b57\u63cf\u8ff0\u4e86\u8bf7\u6c42\u8fc7\u7a0b\u4e2d\u6240\u53d1\u751f\u7684\u60c5\u51b5\u3002<\/span><\/span>\u539f\u56e0\u77ed\u8bed\uff0c\u6570\u5b57\u72b6\u6001\u7801\u7684\u53ef\u8bfb\u7248\u672c\uff08\u4f8b\u5982\u4e0a\u9762\u7684\u54cd\u5e94\u793a\u4f8b\u8ddf\u5728 200 \u540e\u9762\u7684 OK\uff0c\u4e00\u822c\u6309\u89c4\u8303\u5199\u6700\u597d\uff09\u3002<\/span><\/span>\u9996\u90e8\uff0c\u53ef\u4ee5\u6709\u96f6\u6216\u591a\u4e2a\u9996\u90e8\u3002<\/span><\/span>\u5b9e\u4f53\u7684\u4e3b\u4f53\u90e8\u5206\uff0c\u53ef\u4ee5\u4e3a\u7a7a\u4e5f\u53ef\u4ee5\u5305\u542b\u4efb\u610f\u4e8c\u8fdb\u5236\u6570\u636e\u3002<\/span><\/span><\/span>\u4e00\u4e2a HTTP \u8bf7\u6c42\u793a\u4f8b<\/span>\uff1a<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

\u4e00\u4e2a HTTP \u54cd\u5e94\u793a\u4f8b<\/span>\uff1a<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

\u65b9\u6cd5<\/span><\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

GET \u548c HEAD<\/span><\/span><\/p>\n<\/div>\n

\n

\u5176\u4e2d GET \u548c HEAD \u88ab\u79f0\u4e3a\u5b89\u5168\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u4eec\u662f\u5e42\u7b49\u7684\uff08\u5982\u679c\u4e00\u4e2a\u8bf7\u6c42\u4e0d\u7ba1\u6267\u884c\u591a\u5c11\u6b21\uff0c\u5176\u7ed3\u679c\u90fd\u662f\u4e00\u6837\u7684\uff0c\u8fd9\u4e2a\u8bf7\u6c42\u5c31\u662f\u5e42\u7b49\u7684<\/span>\uff09\uff0c\u7c7b\u4f3c\u4e8e POST \u5c31\u4e0d\u662f\u5e42\u7b49\u7684\u3002<\/span><\/p>\n<\/div>\n

\n

HEAD \u65b9\u6cd5\u548c GET \u65b9\u6cd5\u5f88\u7c7b\u4f3c\uff0c\u4f46\u670d\u52a1\u5668\u5728\u54cd\u5e94\u4e2d\u53ea\u8fd4\u56de\u9996\u90e8\u3002\u8fd9\u5c31\u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u672a\u83b7\u53d6\u5b9e\u9645\u8d44\u6e90\u7684\u60c5\u51b5\u4e0b\uff0c\u5bf9\u8d44\u6e90\u7684\u9996\u90e8\u8fdb\u884c\u68c0\u67e5\u3002\u4f7f\u7528 HEAD\uff0c\u53ef\u4ee5\uff1a<\/span><\/p>\n<\/div>\n

\n

\u5728\u4e0d\u83b7\u53d6\u8d44\u6e90\u7684\u60c5\u51b5\u4e0b\u4e86\u89e3\u8d44\u6e90\u7684\u60c5\u51b5\u3002<\/span><\/span>\u901a\u8fc7\u67e5\u770b\u54cd\u5e94\u72b6\u6001\u7801\uff0c\u770b\u770b\u67d0\u4e2a\u5bf9\u8c61\u662f\u5426\u5b58\u5728\u3002<\/span><\/span>\u901a\u8fc7\u67e5\u770b\u9996\u90e8\uff0c\u4e86\u89e3\u6d4b\u8bd5\u8d44\u6e90\u662f\u5426\u88ab\u4fee\u6539\u4e86\u3002<\/span><\/span><\/span>\u670d\u52a1\u5668\u5f00\u53d1\u8005\u5fc5\u987b\u786e\u4fdd\u8fd4\u56de\u7684\u9996\u90e8\u4e0e GET \u8bf7\u6c42\u6240\u8fd4\u56de\u7684\u9996\u90e8\u5b8c\u5168\u76f8\u540c\u3002\u9075\u5faa HTTP\/1.1 \u89c4\u8303\uff0c\u5c31\u5fc5\u987b\u5b9e\u73b0 HEAD \u65b9\u6cd5\u3002<\/span><\/p>\n<\/div>\n

\n

PUT<\/span><\/span><\/p>\n<\/div>\n

\n

\u4e0e GET \u65b9\u6cd5\u4ece\u670d\u52a1\u5668\u8bfb\u53d6\u6587\u6863\u76f8\u53cd\uff0cPUT \u65b9\u6cd5\u4f1a\u5411\u670d\u52a1\u5668\u5199\u5165\u6587\u6863\u3002PUT \u65b9\u6cd5\u7684\u8bed\u4e49\u5c31\u662f\u8ba9\u670d\u52a1\u5668\u7528\u8bf7\u6c42\u7684\u4e3b\u4f53\u90e8\u5206\u6765\u521b\u5efa\u4e00\u4e2a\u7531\u6240\u8bf7\u6c42\u7684 URL \u547d\u540d\u7684\u65b0\u6587\u6863\u3002 \u5982\u679c\u90a3\u4e2a\u6587\u6863\u5df2\u5b58\u5728\uff0c\u5c31\u8986\u76d6\u5b83\u3002<\/span><\/p>\n<\/div>\n

\n

POST<\/span><\/span><\/p>\n<\/div>\n

\n

POST \u65b9\u6cd5\u901a\u5e38\u7528\u6765\u5411\u670d\u52a1\u5668\u53d1\u9001\u8868\u5355\u6570\u636e\u3002<\/span><\/p>\n<\/div>\n

\n

TRACE<\/span><\/span><\/p>\n<\/div>\n

\n

\u5ba2\u6237\u7aef\u53d1\u8d77\u4e00\u4e2a\u8bf7\u6c42\u65f6\uff0c\u8fd9\u4e2a\u8bf7\u6c42\u53ef\u80fd\u8981\u7a7f\u8fc7\u8def\u7531\u5668\u3001\u9632\u706b\u5899\u3001\u4ee3\u7406\u3001\u7f51\u5173\u7b49\u3002\u6bcf\u4e2a\u4e2d\u95f4\u8282\u70b9\u90fd\u53ef\u80fd\u4f1a\u4fee\u6539\u539f\u59cb\u7684 HTTP \u8bf7\u6c42\uff0cTRACE \u65b9\u6cd5\u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u6700\u7ec8\u53d1\u8d77\u8bf7\u6c42\u65f6\uff0c\u770b\u770b\u5b83\u53d8\u6210\u4e86\u4ec0\u4e48\u6837\u5b50\u3002<\/span><\/p>\n<\/div>\n

\n

TRACE \u8bf7\u6c42\u4f1a\u5728\u76ee\u7684\u670d\u52a1\u5668\u7aef\u53d1\u8d77\u4e00\u4e2a\u201c\u73af\u56de\u201d\u8bca\u65ad\u3002\u884c\u7a0b\u6700\u540e\u4e00\u7ad9\u7684\u670d\u52a1\u5668\u4f1a\u5f39\u56de\u4e00\u6761 TRACE \u54cd\u5e94\uff0c\u5e76\u5728\u54cd\u5e94\u4e3b\u4f53\u4e2d\u643a\u5e26\u5b83\u6536\u5230\u7684\u539f\u59cb\u8bf7\u6c42\u62a5\u6587\u3002 \u8fd9\u6837\u5ba2\u6237\u7aef\u5c31\u53ef\u4ee5\u67e5\u770b\u5728\u6240\u6709\u4e2d\u95f4 HTTP \u5e94\u7528\u7a0b\u5e8f\u7ec4\u6210\u7684\u8bf7\u6c42\/\u54cd\u5e94\u94fe\u4e0a\uff0c\u539f\u59cb\u62a5\u6587\u662f\u5426\u88ab\u6bc1\u574f\u6216\u4fee\u6539\u8fc7\u3002<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

TRACE \u65b9\u6cd5\u4e3b\u8981\u7528\u4e8e\u8bca\u65ad\uff0c\u7528\u4e8e\u9a8c\u8bc1\u8bf7\u6c42\u662f\u5426\u5982\u613f\u7a7f\u8fc7\u4e86\u8bf7\u6c42\/\u54cd\u5e94\u94fe\u3002\u5b83\u4e5f\u662f\u4e00\u79cd\u5de5\u5177\uff0c\u7528\u6765\u67e5\u770b\u4ee3\u7406\u548c\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u5bf9\u7528\u6237\u8bf7\u6c42\u6240\u4ea7\u751f\u7684\u6548\u679c\u3002 TRACE \u8bf7\u6c42\u4e2d\u4e0d\u80fd\u5e26\u6709\u5b9e\u4f53\u7684\u4e3b\u4f53\u90e8\u5206\u3002TRACE \u54cd\u5e94\u7684\u5b9e\u4f53\u4e3b\u4f53\u90e8\u5206\u5305\u542b\u4e86\u54cd\u5e94\u670d\u52a1\u5668\u6536\u5230\u7684\u8bf7\u6c42\u7684\u7cbe\u786e\u526f\u672c\u3002<\/span><\/p>\n<\/div>\n

\n

OPTIONS<\/span><\/span><\/p>\n<\/div>\n

\n

OPTIONS \u65b9\u6cd5\u8bf7\u6c42 Web \u670d\u52a1\u5668\u544a\u77e5\u5176\u652f\u6301\u7684\u5404\u79cd\u529f\u80fd\u3002<\/span><\/p>\n<\/div>\n

\n

DELETE<\/span><\/span><\/p>\n<\/div>\n

\n

DELETE \u65b9\u6cd5\u5c31\u662f\u8ba9\u670d\u52a1\u5668\u5220\u9664\u8bf7\u6c42 URL \u6240\u6307\u5b9a\u7684\u8d44\u6e90\u3002<\/span><\/p>\n<\/div>\n

\n

\u72b6\u6001\u7801<\/span><\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

300~399 \u91cd\u5b9a\u5411\u72b6\u6001\u7801<\/span><\/span><\/p>\n<\/div>\n

\n

\u91cd\u5b9a\u5411\u72b6\u6001\u7801\u8981\u4e48\u544a\u8bc9\u5ba2\u6237\u7aef\u4f7f\u7528\u66ff\u4ee3\u4f4d\u7f6e\u6765\u8bbf\u95ee\u4ed6\u4eec\u611f\u5174\u8da3\u7684\u8d44\u6e90\uff0c\u8981\u4e48\u63d0\u4f9b\u4e00\u4e2a\u66ff\u4ee3\u7684\u54cd\u5e94\u800c\u4e0d\u662f\u8d44\u6e90\u7684\u5185\u5bb9\u3002 \u5982\u679c\u8d44\u6e90\u5df2\u88ab\u79fb\u52a8\uff0c\u53ef\u4ee5\u53d1\u9001\u4e00\u4e2a\u91cd\u5b9a\u5411\u72b6\u6001\u7801\u548c\u4e00\u4e2a\u53ef\u9009\u7684 Location \u9996\u90e8\u6765\u544a\u77e5\u5ba2\u6237\u7aef\u8d44\u6e90\u5df2\u88ab\u79fb\u8d70\uff0c\u4ee5\u53ca\u73b0\u5728\u5728\u54ea\u91cc\u53ef\u4ee5\u627e\u5230\u5b83\u3002\u8fd9\u6837\uff0c\u6d4f\u89c8\u5668\u53ef\u4ee5\u5728\u4e0d\u6253\u6270\u4f7f\u7528\u8005\u7684\u60c5\u51b5\u4e0b\uff0c\u900f\u660e\u5730\u8f6c\u5165\u65b0\u7684\u4f4d\u7f6e\u3002<\/span><\/p>\n<\/div>\n

\n

400~499 \u5ba2\u6237\u7aef\u9519\u8bef\u72b6\u6001\u7801<\/span><\/span><\/p>\n<\/div>\n

\n

\u6709\u65f6\u5ba2\u6237\u7aef\u4f1a\u53d1\u9001\u4e00\u4e9b\u670d\u52a1\u5668\u65e0\u6cd5\u5904\u7406\u7684\u4e1c\u897f\uff0c\u4f8b\u5982\u683c\u5f0f\u9519\u8bef\u7684\u8bf7\u6c42\u62a5\u6587\u3001\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684 URL\u3002<\/span><\/p>\n<\/div>\n

\n

500~599 \u670d\u52a1\u5668\u9519\u8bef\u72b6\u6001\u7801<\/span><\/span><\/p>\n<\/div>\n

\n

\u6709\u65f6\u5ba2\u6237\u7aef\u53d1\u9001\u4e86\u4e00\u6761\u6709\u6548\u8bf7\u6c42\uff0c\u670d\u52a1\u5668\u81ea\u8eab\u5374\u51fa\u9519\u4e86\u3002<\/span><\/p>\n<\/div>\n

\n

\u9996\u90e8<\/span><\/span><\/p>\n<\/div>\n

\n

\u9996\u90e8\u548c\u65b9\u6cd5\u5171\u540c\u914d\u5408\u5de5\u4f5c\uff0c\u51b3\u5b9a\u4e86\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u80fd\u505a\u4ec0\u4e48\u4e8b\u60c5\u3002<\/span><\/p>\n<\/div>\n

\n

\u9996\u90e8\u5206\u7c7b<\/span>\uff1a<\/span><\/p>\n<\/div>\n

\n

\u901a\u7528\u9996\u90e8\uff0c\u53ef\u4ee5\u51fa\u73b0\u5728\u8bf7\u6c42\u6216\u54cd\u5e94\u62a5\u6587\u4e2d\u3002<\/span><\/span>\u8bf7\u6c42\u9996\u90e8\uff0c\u63d0\u4f9b\u66f4\u591a\u6709\u5173\u8bf7\u6c42\u7684\u4fe1\u606f\u3002<\/span><\/span>\u54cd\u5e94\u9996\u90e8\uff0c\u63d0\u4f9b\u66f4\u591a\u6709\u5173\u54cd\u5e94\u7684\u4fe1\u606f\u3002<\/span><\/span>\u5b9e\u4f53\u9996\u90e8\uff0c\u63cf\u8ff0\u4e3b\u4f53\u7684\u957f\u5ea6\u548c\u5185\u5bb9\uff0c\u6216\u8005\u8d44\u6e90\u81ea\u8eab\u3002<\/span><\/span>\u6269\u5c55\u9996\u90e8\uff0c\u89c4\u8303\u4e2d\u6ca1\u6709\u5b9a\u4e49\u7684\u65b0\u9996\u90e8\u3002<\/span><\/span><\/span>\u901a\u7528\u9996\u90e8<\/span><\/span><\/p>\n<\/div>\n

\n

\u6709\u4e9b\u9996\u90e8\u63d0\u4f9b\u4e86\u4e0e\u62a5\u6587\u76f8\u5173\u7684\u6700\u57fa\u672c\u4fe1\u606f\uff0c\u5b83\u4eec\u88ab\u79f0\u4e3a\u901a\u7528\u9996\u90e8\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u901a\u7528\u9996\u90e8\uff1a<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

\u8bf7\u6c42\u9996\u90e8<\/span><\/span><\/p>\n<\/div>\n

\n

\u8bf7\u6c42\u9996\u90e8\u662f\u53ea\u5728\u8bf7\u6c42\u62a5\u6587\u4e2d\u6709\u610f\u4e49\u7684\u9996\u90e8\uff0c\u7528\u4e8e\u8bf4\u660e\u8bf7\u6c42\u7684\u8be6\u60c5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u8bf7\u6c42\u9996\u90e8\uff1a<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

\u54cd\u5e94\u9996\u90e8<\/span><\/span><\/p>\n<\/div>\n

\n

\u54cd\u5e94\u9996\u90e8\u8ba9\u670d\u52a1\u5668\u4e3a\u5ba2\u6237\u7aef\u63d0\u4f9b\u4e86\u4e00\u4e9b\u989d\u5916\u7684\u4fe1\u606f\u3002<\/span><\/p>\n<\/div>\n

\n

\u5b9e\u4f53\u9996\u90e8<\/span><\/span><\/p>\n<\/div>\n

\n

\u5b9e\u4f53\u9996\u90e8\u63d0\u4f9b\u4e86\u6709\u5173\u5b9e\u4f53\u53ca\u5176\u5185\u5bb9\u7684\u5927\u91cf\u4fe1\u606f\uff0c\u4ece\u6709\u5173\u5bf9\u8c61\u7c7b\u578b\u7684\u4fe1\u606f\uff0c\u5230\u80fd\u591f\u5bf9\u8d44\u6e90\u4f7f\u7528\u7684\u5404\u79cd\u6709\u6548\u7684\u8bf7\u6c42\u65b9\u6cd5\u3002<\/span><\/p>\n<\/div>\n

\n

\u4f8b\u5982\u5185\u5bb9\u9996\u90e8<\/span>\uff0c\u63d0\u4f9b\u4e86\u4e0e\u5b9e\u4f53\u5185\u5bb9\u6709\u5173\u7684\u7279\u5b9a\u4fe1\u606f\uff0c\u8bf4\u660e\u4e86\u5176\u7c7b\u578b\u3001\u5c3a\u5bf8\u4ee5\u53ca\u5904\u7406\u5b83\u6240\u9700\u7684\u5176\u4ed6\u6709\u7528\u4fe1\u606f\u3002\u53e6\u5916\uff0c\u901a\u7528\u7684\u7f13\u5b58\u9996\u90e8\u8bf4\u660e\u4e86\u5982\u4f55\u6216\u4ec0\u4e48\u65f6\u5019\u8fdb\u884c\u7f13\u5b58\u3002\u5b9e\u4f53\u7684\u7f13\u5b58\u9996\u90e8<\/span>\u63d0\u4f9b\u4e86\u4e0e\u88ab\u7f13\u5b58\u5b9e\u4f53\u6709\u5173\u7684\u4fe1\u606f\u3002<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

\u6027\u80fd\u4f18\u5316<\/span><\/p>\n<\/div>\n

\n

1. \u51cf\u5c11 HTTP \u8bf7\u6c42<\/span><\/span><\/p>\n<\/div>\n

\n

\u6bcf\u53d1\u8d77\u4e00\u4e2a HTTP \u8bf7\u6c42\uff0c\u90fd\u5f97\u7ecf\u5386\u4e09\u6b21\u63e1\u624b\u5efa\u7acb TCP \u8fde\u63a5\uff0c\u5982\u679c\u8fde\u63a5\u53ea\u7528\u6765\u4ea4\u6362\u5c11\u91cf\u6570\u636e\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u5c31\u4f1a\u4e25\u91cd\u964d\u4f4e HTTP \u6027\u80fd\u3002\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u5c06\u591a\u4e2a\u5c0f\u6587\u4ef6\u5408\u6210\u4e00\u4e2a\u5927\u6587\u4ef6\uff0c\u4ece\u800c\u51cf\u5c11 HTTP \u8bf7\u6c42\u6b21\u6570\u3002<\/span><\/p>\n<\/div>\n

\n

\u5176\u5b9e\u7531\u4e8e\u6301\u4e45\u8fde\u63a5\uff08\u91cd\u7528 TCP \u8fde\u63a5\uff0c\u4ee5\u6d88\u9664\u8fde\u63a5\u53ca\u5173\u95ed\u65f6\u5ef6\uff1bHTTP\/1.1 \u9ed8\u8ba4\u5f00\u542f\u6301\u4e45\u8fde\u63a5\uff09\u7684\u5b58\u5728\uff0c\u6bcf\u4e2a\u65b0\u8bf7\u6c42\u4e0d\u4e00\u5b9a\u90fd\u9700\u8981\u5efa\u7acb\u4e00\u4e2a\u65b0\u7684 TCP \u8fde\u63a5\u3002\u4f46\u662f\uff0c\u6d4f\u89c8\u5668\u5904\u7406\u5b8c\u4e00\u4e2a HTTP \u8bf7\u6c42\u624d\u80fd\u53d1\u8d77\u4e0b\u4e00\u4e2a\uff0c\u6240\u4ee5\u5728 TCP \u8fde\u63a5\u6570\u6ca1\u8fbe\u5230\u6d4f\u89c8\u5668\u89c4\u5b9a\u7684\u4e0a\u9650\u65f6\uff0c\u8fd8\u662f\u4f1a\u5efa\u7acb\u65b0\u7684 TCP \u8fde\u63a5\u3002\u4ece\u8fd9\u70b9\u6765\u770b\uff0c\u51cf\u5c11 HTTP \u8bf7\u6c42\u4ecd\u7136\u662f\u6709\u5fc5\u8981\u7684\u3002<\/span><\/p>\n<\/div>\n

\n

2. \u9759\u6001\u8d44\u6e90\u4f7f\u7528 CDN<\/span><\/span><\/p>\n<\/div>\n

\n

\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff08CDN\uff09\u662f\u4e00\u7ec4\u5206\u5e03\u5728\u591a\u4e2a\u4e0d\u540c\u5730\u7406\u4f4d\u7f6e\u7684 Web \u670d\u52a1\u5668\u3002\u6211\u4eec\u90fd\u77e5\u9053\uff0c\u5f53\u670d\u52a1\u5668\u79bb\u7528\u6237\u8d8a\u8fdc\u65f6\uff0c\u5ef6\u8fdf\u8d8a\u9ad8\u3002CDN \u5c31\u662f\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0c\u5728\u591a\u4e2a\u4f4d\u7f6e\u90e8\u7f72\u670d\u52a1\u5668\uff0c\u8ba9\u7528\u6237\u79bb\u670d\u52a1\u5668\u66f4\u8fd1\uff0c\u4ece\u800c\u7f29\u77ed\u8bf7\u6c42\u65f6\u95f4\u3002<\/span><\/p>\n<\/div>\n

\n

3. \u5584\u7528\u7f13\u5b58<\/span><\/span><\/p>\n<\/div>\n

\n

\u4e3a\u4e86\u907f\u514d\u7528\u6237\u6bcf\u6b21\u8bbf\u95ee\u7f51\u7ad9\u90fd\u5f97\u8bf7\u6c42\u6587\u4ef6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0 Expires \u5934\u6765\u63a7\u5236\u8fd9\u4e00\u884c\u4e3a\u3002Expires \u8bbe\u7f6e\u4e86\u4e00\u4e2a\u65f6\u95f4\uff0c\u53ea\u8981\u5728\u8fd9\u4e2a\u65f6\u95f4\u4e4b\u524d\uff0c\u6d4f\u89c8\u5668\u90fd\u4e0d\u4f1a\u8bf7\u6c42\u6587\u4ef6\uff0c\u800c\u662f\u76f4\u63a5\u4f7f\u7528\u7f13\u5b58\u3002<\/span><\/p>\n<\/div>\n

\n

\u4e0d\u8fc7\u8fd9\u6837\u4f1a\u4ea7\u751f\u4e00\u4e2a\u95ee\u9898\uff0c\u5f53\u6587\u4ef6\u66f4\u65b0\u4e86\u600e\u4e48\u529e\uff1f\u600e\u4e48\u901a\u77e5\u6d4f\u89c8\u5668\u91cd\u65b0\u8bf7\u6c42\u6587\u4ef6\uff1f<\/span><\/p>\n<\/div>\n

\n

\u53ef\u4ee5\u901a\u8fc7\u66f4\u65b0\u9875\u9762\u4e2d\u5f15\u7528\u7684\u8d44\u6e90\u94fe\u63a5\u5730\u5740\uff0c\u8ba9\u6d4f\u89c8\u5668\u4e3b\u52a8\u653e\u5f03\u7f13\u5b58\uff0c\u52a0\u8f7d\u65b0\u8d44\u6e90\u3002<\/span><\/p>\n<\/div>\n

\n

\u5177\u4f53\u505a\u6cd5\u662f\u628a\u8d44\u6e90\u5730\u5740 URL \u7684\u4fee\u6539\u4e0e\u6587\u4ef6\u5185\u5bb9\u5173\u8054\u8d77\u6765\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u53ea\u6709\u6587\u4ef6\u5185\u5bb9\u53d8\u5316\uff0c\u624d\u4f1a\u5bfc\u81f4\u76f8\u5e94 URL \u7684\u53d8\u66f4\uff0c\u4ece\u800c\u5b9e\u73b0\u6587\u4ef6\u7ea7\u522b\u7684\u7cbe\u786e\u7f13\u5b58\u63a7\u5236\u3002\u4ec0\u4e48\u4e1c\u897f\u4e0e\u6587\u4ef6\u5185\u5bb9\u76f8\u5173\u5462\uff1f\u6211\u4eec\u4f1a\u5f88\u81ea\u7136\u7684\u8054\u60f3\u5230\u5229\u7528\u6570\u636e\u6458\u8981\u8981\u7b97\u6cd5\u5bf9\u6587\u4ef6\u6c42\u6458\u8981\u4fe1\u606f\uff0c\u6458\u8981\u4fe1\u606f\u4e0e\u6587\u4ef6\u5185\u5bb9\u4e00\u4e00\u5bf9\u5e94\uff0c\u5c31\u6709\u4e86\u4e00\u79cd\u53ef\u4ee5\u7cbe\u786e\u5230\u5355\u4e2a\u6587\u4ef6\u7c92\u5ea6\u7684\u7f13\u5b58\u63a7\u5236\u4f9d\u636e\u4e86\u3002<\/span><\/p>\n<\/div>\n

\n

4. \u538b\u7f29\u6587\u4ef6<\/span>\u538b\u7f29\u6587\u4ef6\u53ef\u4ee5\u51cf\u5c11\u6587\u4ef6\u4e0b\u8f7d\u65f6\u95f4\uff0c\u8ba9\u7528\u6237\u4f53\u9a8c\u6027\u66f4\u597d\u3002<\/span><\/p>\n<\/div>\n

\n

gzip \u662f\u76ee\u524d\u6700\u6d41\u884c\u548c\u6700\u6709\u6548\u7684\u538b\u7f29\u65b9\u6cd5\u3002\u53ef\u4ee5\u901a\u8fc7\u5411 HTTP \u8bf7\u6c42\u5934\u4e2d\u7684 Accept-Encoding \u5934\u6dfb\u52a0 gzip \u6807\u8bc6\u6765\u5f00\u542f\u8fd9\u4e00\u529f\u80fd\u3002\u5f53\u7136\uff0c\u670d\u52a1\u5668\u4e5f\u5f97\u652f\u6301\u8fd9\u4e00\u529f\u80fd\u3002<\/span><\/p>\n<\/div>\n

\n

\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u6211\u7528 Vue \u5f00\u53d1\u7684\u9879\u76ee\u6784\u5efa\u540e\u751f\u6210\u7684 app.js \u6587\u4ef6\u5927\u5c0f\u4e3a 1.4MB\uff0c\u4f7f\u7528 gzip \u538b\u7f29\u540e\u53ea\u6709 573KB\uff0c\u4f53\u79ef\u51cf\u5c11\u4e86\u5c06\u8fd1 60%\u3002<\/span><\/p>\n<\/div>\n

\n

5. \u901a\u8fc7 max-age \u548c no-cache \u5b9e\u73b0\u6587\u4ef6\u7cbe\u786e\u7f13\u5b58<\/span><\/span><\/p>\n<\/div>\n

\n

\u901a\u7528\u6d88\u606f\u5934\u90e8 Cache-Control\u5176\u4e2d\u6709\u4e24\u4e2a\u9009\u9879\uff1a<\/span><\/p>\n<\/div>\n

\n

max-age: \u8bbe\u7f6e\u7f13\u5b58\u5b58\u50a8\u7684\u6700\u5927\u5468\u671f\uff0c\u8d85\u8fc7\u8fd9\u4e2a\u65f6\u95f4\u7f13\u5b58\u88ab\u8ba4\u4e3a\u8fc7\u671f(\u5355\u4f4d\u79d2)\u3002\u5728\u8fd9\u4e2a\u65f6\u95f4\u524d\uff0c\u6d4f\u89c8\u5668\u8bfb\u53d6\u6587\u4ef6\u4e0d\u4f1a\u53d1\u51fa\u65b0\u8bf7\u6c42\uff0c\u800c\u662f\u76f4\u63a5\u4f7f\u7528\u7f13\u5b58\u3002<\/span><\/span>no-cache: \u6307\u5b9a no-cache \u8868\u793a\u5ba2\u6237\u7aef\u53ef\u4ee5\u7f13\u5b58\u8d44\u6e90\uff0c\u6bcf\u6b21\u4f7f\u7528\u7f13\u5b58\u8d44\u6e90\u524d\u90fd\u5fc5\u987b\u91cd\u65b0\u9a8c\u8bc1\u5176\u6709\u6548\u6027\u3002<\/span><\/span><\/span>\u6211\u4eec\u53ef\u4ee5\u5c06\u90a3\u4e9b\u957f\u671f\u4e0d\u53d8\u7684\u9759\u6001\u8d44\u6e90\u8bbe\u7f6e\u4e00\u4e2a\u975e\u5e38\u957f\u7684\u7f13\u5b58\u65f6\u95f4\uff0c\u4f8b\u5982\u8bbe\u7f6e\u6210\u7f13\u5b58\u4e00\u5e74\u3002<\/span><\/p>\n<\/div>\n

\n

\u7136\u540e\u5c06 index.html \u6587\u4ef6\u8bbe\u7f6e\u6210 no-cache\u3002\u8fd9\u6837\u6bcf\u6b21\u8bbf\u95ee\u7f51\u7ad9\u65f6\uff0c\u6d4f\u89c8\u5668\u90fd\u4f1a\u8be2\u95ee index.html \u662f\u5426\u6709\u66f4\u65b0\uff0c\u5982\u679c\u6ca1\u6709\uff0c\u5c31\u4f7f\u7528\u65e7\u7684 index.html \u6587\u4ef6\u3002\u5982\u679c\u6709\u66f4\u65b0\uff0c\u5c31\u8bfb\u53d6\u65b0\u7684 index.html \u6587\u4ef6\u3002\u5f53\u52a0\u8f7d\u65b0\u7684 index.htm \u65f6\uff0c\u4e5f\u4f1a\u53bb\u52a0\u8f7d\u91cc\u9762\u65b0\u7684 URL \u8d44\u6e90\u3002<\/span><\/p>\n<\/div>\n

\n

\u4f8b\u5982 index.html \u539f\u6765\u5f15\u7528\u4e86 a.js \u548c b.js\uff0c\u73b0\u5728\u66f4\u65b0\u4e86\u53d8\u6210 a.js \u548c c.js\u3002\u90a3\u5c31\u53ea\u4f1a\u52a0\u8f7d c.js \u6587\u4ef6\u3002<\/span><\/p>\n<\/div>\n

\n

HTTPS<\/span><\/p>\n<\/div>\n

\n

HTTPS \u662f\u6700\u6d41\u884c\u7684 HTTP \u5b89\u5168\u5f62\u5f0f\uff0c\u7531\u7f51\u666f\u516c\u53f8\u9996\u521b\uff0c\u6240\u6709\u4e3b\u8981\u7684\u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u90fd\u652f\u6301\u6b64\u534f\u8bae\u3002 \u4f7f\u7528 HTTPS \u65f6\uff0c\u6240\u6709\u7684 HTTP \u8bf7\u6c42\u548c\u54cd\u5e94\u6570\u636e\u5728\u53d1\u9001\u4e4b\u524d\uff0c\u90fd\u8981\u8fdb\u884c\u52a0\u5bc6\u3002\u52a0\u5bc6\u53ef\u4ee5\u4f7f\u7528 SSL \u6216 TLS\u3002<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

SSL\/TLS \u534f\u8bae\u4f5c\u7528\u5728 HTTP \u534f\u8bae\u4e4b\u4e0b\uff0c\u5bf9\u4e8e\u4e0a\u5c42\u5e94\u7528\u6765\u8bf4\uff0c\u539f\u6765\u7684\u53d1\u9001\/\u63a5\u6536\u6570\u636e\u6d41\u7a0b\u4e0d\u53d8\uff0c\u8fd9\u5c31\u5f88\u597d\u5730\u517c\u5bb9\u4e86\u8001\u7684 HTTP \u534f\u8bae\u3002\u7531\u4e8e SSL\/TLS \u5dee\u522b\u4e0d\u5927\uff0c\u4e0b\u9762\u7edf\u4e00\u4f7f\u7528 SSL\u3002<\/span><\/p>\n<\/div>\n

\n

\u8981\u60f3\u4e86\u89e3 HTTPS \u4e3a\u4f55\u5b89\u5168\uff0c\u8fd8\u5f97\u7ee7\u7eed\u4e86\u89e3\u4e00\u4e0b\u8fd9\u4e9b\u6982\u5ff5\uff1a\u52a0\u5bc6\u7b97\u6cd5<\/span>\u3001\u6458\u8981\u7b97\u6cd5<\/span>\u3001\u6570\u5b57\u7b7e\u540d<\/span>\u548c\u6570\u5b57\u8bc1\u4e66<\/span>\u3002<\/span><\/p>\n<\/div>\n

\n

\u52a0\u5bc6\u7b97\u6cd5<\/span><\/p>\n<\/div>\n

\n

\u5bf9\u79f0\u5bc6\u94a5\u5bc6\u7801\u4f53\u5236<\/span><\/span><\/p>\n<\/div>\n

\n

\u5bf9\u79f0\u5bc6\u94a5\u5bc6\u7801\u4f53\u5236\uff0c\u5373\u52a0\u5bc6\u5bc6\u94a5\u548c\u89e3\u5bc6\u5bc6\u94a5\u662f\u4f7f\u7528\u76f8\u540c\u7684\u5bc6\u7801\u4f53\u5236\u3002\u5bf9\u79f0\u5bc6\u94a5\u52a0\u5bc6\u6280\u672f\u7684\u7f3a\u70b9\u4e4b\u4e00\u5c31\u662f\u53d1\u9001\u8005\u548c\u63a5\u6536\u8005\u5728\u5bf9\u8bdd\u4e4b\u524d\uff0c\u4e00\u5b9a\u8981\u6709\u4e00\u4e2a\u5171\u4eab\u7684\u5bc6\u94a5\uff0c\u6240\u4ee5\u4e0d\u592a\u5b89\u5168\u3002<\/span><\/p>\n<\/div>\n

\n

\u516c\u94a5\u5bc6\u7801\u4f53\u5236<\/span><\/span><\/p>\n<\/div>\n

\n

\u516c\u94a5\u5bc6\u7801\u4f53\u5236\u4f7f\u7528\u4e0d\u540c\u7684\u52a0\u5bc6\u5bc6\u94a5\u4e0e\u89e3\u5bc6\u5bc6\u94a5\u3002\u516c\u94a5\u5bc6\u7801\u4f53\u5236\u4ea7\u751f\u7684\u4e3b\u8981\u539f\u56e0\u6709\u4e24\u4e2a\uff1a\u4e00\u662f\u5bf9\u79f0\u5bc6\u94a5\u5bc6\u7801\u4f53\u5236\u7684\u5bc6\u94a5\u5206\u914d\u95ee\u9898\uff0c\u4e8c\u662f\u5bf9\u6570\u5b57\u7b7e\u540d\u7684\u9700\u6c42\u3002<\/span><\/p>\n<\/div>\n

\n

\u5728\u516c\u94a5\u5bc6\u7801\u4f53\u5236\u4e2d\uff0c\u52a0\u5bc6\u5bc6\u94a5\u662f\u516c\u5f00\u7684\uff0c\u89e3\u5bc6\u5bc6\u94a5\u662f\u9700\u8981\u4fdd\u5bc6\u7684\uff0c\u52a0\u5bc6\u7b97\u6cd5\u548c\u89e3\u5bc6\u7b97\u6cd5\u4e5f\u662f\u516c\u5f00\u7684\u3002<\/span><\/p>\n<\/div>\n

\n

\u516c\u94a5\u5bc6\u7801\u4f53\u5236\u7684\u52a0\u5bc6\u548c\u89e3\u5bc6\u6709\u5982\u4e0b\u7279\u70b9\uff1a<\/span><\/p>\n<\/div>\n

\n

\u5bc6\u94a5\u5bf9\u4ea7\u751f\u5668<\/span>\u4ea7\u751f\u51fa\u63a5\u6536\u8005 B \u7684\u4e00\u5bf9\u5bc6\u94a5\uff0c\u5373\u52a0\u5bc6\u5bc6\u94a5 PK \u548c\u89e3\u5bc6\u5bc6\u94a5 SK\u3002<\/span><\/span>\u53d1\u9001\u8005 A \u7528 B \u7684\u516c\u94a5 PK \u4f5c\u4e3a\u52a0\u5bc6\u5bc6\u94a5\u6765\u52a0\u5bc6\u4fe1\u606f\uff0cB \u63a5\u6536\u540e\u7528\u89e3\u5bc6\u5bc6\u94a5 SK \u89e3\u5bc6\u3002<\/span><\/span><\/span>![\\[\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20(img-uWP5p7So-1589532545350)(..\/imgs\/is3.png)\\]](https:\/\/img-blog.csdnimg.cn\/2…<\/span><\/p>\n<\/div>\n

\n

\u4f7f\u7528\u5bf9\u79f0\u5bc6\u94a5\u65f6\uff0c\u7531\u4e8e\u53cc\u65b9\u4f7f\u7528\u540c\u6837\u7684\u5bc6\u94a5\uff0c\u56e0\u6b64\u5728\u901a\u4fe1\u4fe1\u9053\u4e0a\u53ef\u4ee5\u8fdb\u884c\u4e00\u5bf9\u4e00\u7684\u53cc\u5411\u4fdd\u5bc6\u901a\u4fe1\uff0c\u53cc\u65b9\u90fd\u53ef\u4ee5\u7528\u540c\u4e00\u4e2a\u5bc6\u94a5\u52a0\u5bc6\u89e3\u5bc6\u3002<\/span><\/p>\n<\/div>\n

\n

\u4f7f\u7528\u516c\u5f00\u5bc6\u94a5\u65f6\uff0c\u5728\u901a\u4fe1\u4fe1\u9053\u4e0a\u53ef\u4ee5\u662f\u591a\u5bf9\u4e00\u7684\u5355\u5411\u4fdd\u5bc6\u4fe1\u9053\u3002\u5373\u53ef\u4ee5\u6709\u591a\u4eba\u6301\u6709 B \u7684\u516c\u94a5\uff0c\u4f46\u53ea\u6709 B \u624d\u80fd\u89e3\u5bc6\u3002<\/span><\/p>\n<\/div>\n

\n

\u6458\u8981\u7b97\u6cd5<\/span><\/span><\/p>\n<\/div>\n

\n

\u6458\u8981\u7b97\u6cd5\u7684\u4e3b\u8981\u7279\u5f81\u662f\u52a0\u5bc6\u8fc7\u7a0b\u4e0d\u9700\u8981\u5bc6\u94a5\uff0c\u5e76\u4e14\u7ecf\u8fc7\u52a0\u5bc6\u7684\u6570\u636e\u65e0\u6cd5\u88ab\u89e3\u5bc6\uff0c\u76ee\u524d\u53ef\u4ee5\u88ab\u89e3\u5bc6\u9006\u5411\u7684\u53ea\u6709CRC32\u7b97\u6cd5\uff0c\u53ea\u6709\u8f93\u5165\u76f8\u540c\u7684\u660e\u6587\u6570\u636e\u7ecf\u8fc7\u76f8\u540c\u7684\u6d88\u606f\u6458\u8981\u7b97\u6cd5\u624d\u80fd\u5f97\u5230\u76f8\u540c\u7684\u5bc6\u6587\u3002<\/span><\/p>\n<\/div>\n

\n

\u6570\u5b57\u7b7e\u540d<\/span><\/span><\/p>\n<\/div>\n

\n

\u7528\u52a0\u5bc6\u7cfb\u7edf\u5bf9\u62a5\u6587\u8fdb\u884c\u7b7e\u540d\uff0c\u4ee5\u8bf4\u660e\u662f\u8c01\u7f16\u5199\u7684\u62a5\u6587\uff0c\u540c\u65f6\u8bc1\u660e\u62a5\u6587\u672a\u88ab\u7be1\u6539\u8fc7\uff0c\u8fd9\u79cd\u6280\u672f\u79f0\u4e3a\u6570\u5b57\u7b7e\u540d<\/span>\u3002<\/span><\/p>\n<\/div>\n

\n

\u6570\u5b57\u7b7e\u540d\u662f\u9644\u52a0\u5728\u62a5\u6587\u4e0a\u7684\u7279\u6b8a\u52a0\u5bc6\u6821\u9a8c\u7801\u3002\u4f7f\u7528\u6570\u5b57\u7b7e\u540d\u7684\u597d\u5904\u6709\uff1a<\/span><\/p>\n<\/div>\n

\n

\u7b7e\u540d\u53ef\u4ee5\u8bc1\u660e\u662f\u4f5c\u8005\u7f16\u5199\u4e86\u8fd9\u6761\u62a5\u6587\u3002\u53ea\u6709\u4f5c\u8005\u624d\u4f1a\u6709\u6700\u673a\u5bc6\u7684\u79c1\u6709\u5bc6\u94a5\uff0c\u56e0\u6b64\uff0c\u53ea\u6709\u4f5c\u8005\u624d\u80fd\u8ba1\u7b97\u51fa\u8fd9\u4e9b\u6821\u9a8c\u548c\u3002<\/span><\/span>\u7b7e\u540d\u53ef\u4ee5\u9632\u6b62\u62a5\u6587\u88ab\u7be1\u6539\uff0c\u5982\u679c\u6709\u4eba\u5728\u62a5\u6587\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u5bf9\u5176\u8fdb\u884c\u4e86\u4fee\u6539\uff0c\u6821\u9a8c\u548c\u5c31\u4e0d\u518d\u5339\u914d\u4e86\u3002<\/span><\/span><\/span>\u6570\u5b57\u7b7e\u540d\u901a\u5e38\u662f\u7528\u975e\u5bf9\u79f0\u516c\u5f00\u5bc6\u94a5\u6280\u672f\u4ea7\u751f\u7684\u3002<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

\u770b\u4e0a\u56fe\uff0c\u4efb\u4f55\u4eba\u90fd\u80fd\u7528 A \u7684\u516c\u94a5 PK \u5bf9\u5bc6\u6587\u8fdb\u884c E \u8fd0\u7b97\u540e\u5f97\u5230 A \u53d1\u9001\u7684\u660e\u6587\u3002\u53ef\u89c1\u8fd9\u79cd\u901a\u4fe1\u5e76\u975e\u4e3a\u4e86\u4fdd\u5bc6\uff0c\u800c\u662f\u4e3a\u4e86\u8fdb\u884c\u7b7e\u540d\u548c\u6838\u5b9e\u7b7e\u540d\uff0c\u5373\u786e\u8ba4\u6b64\u4fe1\u606f\u662f A \u53d1\u9001\u7684\uff08\u4f7f\u7528 A \u7684\u5bc6\u94a5\u8fdb\u884c\u52a0\u5bc6\u7684\u62a5\u6587\uff0c\u53ea\u6709\u4f7f\u7528 A \u7684\u516c\u94a5\u624d\u80fd\u6b63\u786e\u89e3\u5bc6\uff09\u3002 \u4f46\u4e0a\u8ff0\u8fc7\u7a0b\u4ec5\u5bf9\u62a5\u6587\u8fdb\u884c\u4e86\u7b7e\u540d\uff0c\u5bf9\u62a5\u6587 X \u672c\u8eab\u5374\u672a\u4fdd\u5bc6\uff0c\u6240\u4ee5\u8981\u91c7\u7528\u4e0b\u56fe\u7684\u65b9\u6cd5\uff0c\u540c\u65f6\u5b9e\u73b0\u79d8\u5bc6\u901a\u4fe1\u548c\u6570\u5b57\u7b7e\u540d\u3002<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

\u6570\u5b57\u8bc1\u4e66<\/span><\/span><\/p>\n<\/div>\n

\n

\u5047\u5982\u4f60\u60f3\u8bbf\u95ee\u4e00\u4e2a\u7f51\u7ad9\uff0c\u600e\u4e48\u786e\u4fdd\u5bf9\u65b9\u7ed9\u4f60\u7684\u516c\u94a5\u662f\u4f60\u60f3\u8bbf\u95ee\u7684\u7f51\u7ad9\u7684\u516c\u94a5\uff0c\u800c\u4e0d\u662f\u88ab\u4e2d\u95f4\u4eba\u7be1\u6539\u8fc7\u7684\uff1f<\/span><\/p>\n<\/div>\n

\n

\u6570\u5b57\u8bc1\u4e66\u7684\u51fa\u73b0\u5c31\u662f\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5b83\u662f\u7531\u6570\u5b57\u8bc1\u4e66\u8ba4\u8bc1\u673a\u6784\u9881\u53d1\u7684\uff0c\u7528\u6765\u8bc1\u660e\u516c\u94a5\u62e5\u6709\u8005\u7684\u8eab\u4efd\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u6570\u5b57\u8bc1\u4e66\u7684\u4f5c\u7528\u5c31\u76f8\u5f53\u4e8e\u4eba\u7684\u8eab\u4efd\u8bc1\uff0c\u8eab\u4efd\u8bc1\u8bc1\u660e\u4e86\u5f20\u4e09\u5c31\u662f\u5f20\u4e09\uff0c\u800c\u4e0d\u662f\u522b\u4eba\u3002<\/span><\/p>\n<\/div>\n

\n

\u6570\u5b57\u8bc1\u4e66\u4e00\u822c\u5305\u542b\u4ee5\u4e0b\u5185\u5bb9<\/span>\uff1a<\/span><\/p>\n<\/div>\n

\n

\u5bf9\u8c61\u7684\u540d\u79f0\uff08\u4eba\u3001\u670d\u52a1\u5668\u3001\u7ec4\u7ec7\u7b49\uff09\uff1b<\/span><\/span>\u8fc7\u671f\u65f6\u95f4\uff1b<\/span><\/span>\u8bc1\u4e66\u53d1\u5e03\u8005\uff08\u7531\u8c01\u4e3a\u8bc1\u4e66\u62c5\u4fdd\uff09\uff1b<\/span><\/span>\u6765\u81ea\u8bc1\u4e66\u53d1\u5e03\u8005\u7684\u6570\u5b57\u7b7e\u540d\uff1b<\/span><\/span>\u5bf9\u8c61\u7684\u516c\u94a5\uff1b<\/span><\/span>\u5bf9\u8c61\u548c\u6240\u7528\u7b7e\u540d\u7b97\u6cd5\u7684\u63cf\u8ff0\u6027\u4fe1\u606f\u3002<\/span><\/span><\/span>\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u6570\u5b57\u8bc1\u4e66\uff0c\u4f46\u7531\u8c01\u6765\u62c5\u4fdd\u624d\u662f\u91cd\u70b9\u3002<\/span><\/p>\n<\/div>\n

\n

\u6570\u5b57\u8bc1\u4e66\u7684\u6570\u5b57\u7b7e\u540d\u8ba1\u7b97\u8fc7\u7a0b<\/span>\uff1a<\/span><\/p>\n<\/div>\n

\n

\u7528\u6458\u8981\u7b97\u6cd5\u5bf9\u6570\u5b57\u8bc1\u4e66\u7684\u5185\u5bb9\u8ba1\u7b97\u51fa\u6458\u8981\uff1b<\/span><\/span>\u7528\u6570\u5b57\u8bc1\u4e66\u7684\u79c1\u94a5\u5bf9\u6458\u8981\u8fdb\u884c\u52a0\u5bc6\u5f97\u5230\u6570\u5b57\u7b7e\u540d\u3002<\/span><\/span><\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

\u5f53\u6d4f\u89c8\u5668\u6536\u5230\u8bc1\u4e66\u65f6\uff0c\u4f1a\u5bf9\u7b7e\u540d\u9881\u53d1\u673a\u6784\u8fdb\u884c\u9a8c\u8bc1\uff0c\u5982\u679c\u9881\u53d1\u673a\u6784\u662f\u4e2a\u5f88\u6709\u6743\u5a01\u7684\u516c\u5171\u7b7e\u540d\u673a\u6784\uff0c\u6d4f\u89c8\u5668\u53ef\u80fd\u5c31\u77e5\u9053\u5176\u516c\u5f00\u5bc6\u94a5\u4e86\uff08\u6d4f\u89c8\u5668\u4f1a\u9884\u88c5\u5f88\u591a\u7b7e\u540d\u9881\u53d1\u673a\u6784\u7684\u8bc1\u4e66\uff09\u3002\u5982\u679c\u5bf9\u7b7e\u540d\u9881\u53d1\u673a\u6784\u4e00\u65e0\u6240\u77e5\uff0c\u6d4f\u89c8\u5668\u901a\u5e38\u4f1a\u5411\u7528\u6237\u663e\u793a\u4e00\u4e2a\u5bf9\u8bdd\u6846\uff0c\u770b\u770b\u4ed6\u662f\u5426\u76f8\u4fe1\u8fd9\u4e2a\u7b7e\u540d\u53d1\u5e03\u8005\u3002<\/span><\/p>\n<\/div>\n

\n

\u56e0\u4e3a\u6570\u5b57\u8bc1\u4e66\u7684\u516c\u94a5\u662f\u516c\u5f00\u7684\uff0c\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u7528\u516c\u94a5\u89e3\u5bc6\u51fa\u6570\u5b57\u8bc1\u4e66\u7684\u6570\u5b57\u7b7e\u540d\u7684\u6458\u8981\uff0c\u7136\u540e\u518d\u7528\u540c\u6837\u7684\u6458\u8981\u7b97\u6cd5\u5bf9\u8bc1\u4e66\u5185\u5bb9\u8fdb\u884c\u6458\u8981\u8ba1\u7b97\uff0c\u5c06\u5f97\u51fa\u7684\u6458\u8981\u548c\u89e3\u5bc6\u540e\u7684\u6458\u8981\u4f5c\u5bf9\u6bd4\uff0c\u5982\u679c\u5185\u5bb9\u4e00\u81f4\u5219\u8bf4\u660e\u8fd9\u4e2a\u8bc1\u4e66\u6ca1\u6709\u88ab\u7be1\u6539\u8fc7\uff0c\u53ef\u4ee5\u4fe1\u4efb\u3002<\/span><\/p>\n<\/div>\n

\n

\u8fd9\u4e2a\u8fc7\u7a0b\u662f\u5efa\u7acb\u5728\u88ab\u5927\u5bb6\u6240\u8ba4\u53ef\u7684\u8bc1\u4e66\u673a\u6784\u4e4b\u4e0a\u5f97\u5230\u7684\u516c\u94a5\uff0c\u6240\u4ee5\u8fd9\u662f\u4e00\u79cd\u5b89\u5168\u7684\u65b9\u5f0f\u3002<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

HTTPS \u8fde\u63a5\u5efa\u7acb\u8fc7\u7a0b<\/span><\/span><\/p>\n<\/div>\n

\n

HTTPS \u8fde\u63a5\u5efa\u7acb\u8fc7\u7a0b\u548c HTTP \u5dee\u4e0d\u591a\uff0c\u533a\u522b\u5728\u4e8e HTTP\uff08\u9ed8\u8ba4\u7aef\u53e3 80\uff09 \u8bf7\u6c42\u53ea\u8981\u5728 TCP \u8fde\u63a5\u5efa\u7acb\u540e\u5c31\u53ef\u4ee5\u53d1\u8d77\uff0c\u800c HTTPS\uff08\u9ed8\u8ba4\u7aef\u53e3 443\uff09 \u5728 TCP \u8fde\u63a5\u5efa\u7acb\u540e\uff0c\u8fd8\u9700\u8981\u7ecf\u5386 SSL \u534f\u8bae\u63e1\u624b\uff0c\u6210\u529f\u540e\u624d\u80fd\u53d1\u8d77\u8bf7\u6c42\u3002<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n
<\/div>\n<\/div>\n
\n

\u6211\u77e5\u9053\u80af\u5b9a\u4f1a\u6709\u4eba\u4e0d\u6ee1\u8db3\u4e8e\u7b80\u5316\u7248\u7684 SSL \u63e1\u624b\u8fc7\u7a0b\uff0c\u6240\u4ee5\u6211\u627e\u4e86\u4e00\u7bc7\u6587\u7ae0SSL\/TLS \u63e1\u624b\u8fc7\u7a0b\u8be6\u89e3\uff0c\u8fd9\u7bc7\u6587\u7ae0\u975e\u5e38\u8be6\u7ec6\u7684\u8bb2\u89e3\u4e86 SSL \u63e1\u624b\u7684\u6bcf\u4e00\u6b65\u9aa4\u3002\u5efa\u8bae\u6709\u5174\u8da3\u7684\u540c\u5b66\u770b\u4e00\u770b\u3002<\/span><\/p>\n<\/div>\n

\n

HTTP\/2<\/span><\/p>\n<\/div>\n

\n

HTTP\/2 \u662f HTTP\/1.x \u7684\u6269\u5c55\uff0c\u800c\u975e\u66ff\u4ee3\u3002\u6240\u4ee5 HTTP \u7684\u8bed\u4e49\u4e0d\u53d8\uff0c\u63d0\u4f9b\u7684\u529f\u80fd\u4e0d\u53d8\uff0cHTTP \u65b9\u6cd5\u3001\u72b6\u6001\u7801\u3001URL \u548c\u9996\u90e8\u5b57\u6bb5\u7b49\u8fd9\u4e9b\u6838\u5fc3\u6982\u5ff5\u4e5f\u4e0d\u53d8\u3002<\/span><\/p>\n<\/div>\n

\n

\u4e4b\u6240\u4ee5\u8981\u9012\u589e\u4e00\u4e2a\u5927\u7248\u672c\u5230 2.0\uff0c\u4e3b\u8981\u662f\u56e0\u4e3a\u5b83\u6539\u53d8\u4e86\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u4ea4\u6362\u6570\u636e\u7684\u65b9\u5f0f\u3002HTTP 2.0 \u589e\u52a0\u4e86\u65b0\u7684\u4e8c\u8fdb\u5236\u5206\u5e27\u6570\u636e\u5c42\uff0c\u800c\u8fd9\u4e00\u5c42\u5e76\u4e0d\u517c\u5bb9\u4e4b\u524d\u7684 HTTP 1.x \u670d\u52a1\u5668\u53ca\u5ba2\u6237\u7aef\u2014\u2014\u662f\u8c13 2.0\u3002<\/span><\/p>\n<\/div>\n

\n

HTTP\/2 \u8fde\u63a5\u5efa\u7acb\u8fc7\u7a0b<\/span><\/span><\/p>\n<\/div>\n

\n

\u73b0\u5728\u7684\u4e3b\u6d41\u6d4f\u89c8\u5668 HTTP\/2 \u7684\u5b9e\u73b0\u90fd\u662f\u57fa\u4e8e SSL\/TLS \u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\u4f7f\u7528 HTTP\/2 \u7684\u7f51\u7ad9\u90fd\u662f HTTPS \u534f\u8bae\u7684\uff0c\u6240\u4ee5\u672c\u6587\u53ea\u8ba8\u8bba\u57fa\u4e8e SSL\/TLS \u7684 HTTP\/2 \u8fde\u63a5\u5efa\u7acb\u8fc7\u7a0b\u3002<\/span><\/p>\n<\/div>\n

\n

\u57fa\u4e8e SSL\/TLS \u7684 HTTP\/2 \u8fde\u63a5\u5efa\u7acb\u8fc7\u7a0b\u548c HTTPS \u5dee\u4e0d\u591a\u3002\u5728 SSL\/TLS \u63e1\u624b\u534f\u5546\u8fc7\u7a0b\u4e2d\uff0c\u5ba2\u6237\u7aef\u5728 ClientHello \u6d88\u606f\u4e2d\u8bbe\u7f6e ALPN\uff08\u5e94\u7528\u5c42\u534f\u8bae\u534f\u5546\uff09\u6269\u5c55\u6765\u8868\u660e\u671f\u671b\u4f7f\u7528 HTTP\/2 \u534f\u8bae\uff0c\u670d\u52a1\u5668\u7528\u540c\u6837\u7684\u65b9\u5f0f\u56de\u590d\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0cHTTP\/2 \u5728 SSL\/TLS \u63e1\u624b\u534f\u5546\u8fc7\u7a0b\u4e2d\u5c31\u5efa\u7acb\u8d77\u6765\u4e86\u3002<\/span><\/p>\n<\/div>\n

\n

HTTP\/1.1 \u7684\u95ee\u9898<\/span><\/p>\n<\/div>\n

\n

1. \u961f\u5934\u963b\u585e<\/span><\/span><\/p>\n<\/div>\n

\n

\u5728 HTTP \u8bf7\u6c42\u5e94\u7b54\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u51fa\u73b0\u4e86\u67d0\u79cd\u60c5\u51b5\uff0c\u5bfc\u81f4\u54cd\u5e94\u4e00\u76f4\u672a\u80fd\u5b8c\u6210\uff0c\u90a3\u540e\u9762\u6240\u6709\u7684\u8bf7\u6c42\u5c31\u4f1a\u4e00\u76f4\u963b\u585e\u7740\uff0c\u8fd9\u79cd\u60c5\u51b5\u53eb\u961f\u5934\u963b\u585e\u3002<\/span><\/p>\n<\/div>\n

\n

2. \u4f4e\u6548\u7684 TCP \u5229\u7528<\/span><\/span><\/p>\n<\/div>\n

\n

\u7531\u4e8e TCP \u6162\u542f\u52a8\u673a\u5236\uff0c\u5bfc\u81f4\u6bcf\u4e2a TCP \u8fde\u63a5\u5728\u4e00\u5f00\u59cb\u7684\u65f6\u5019\u4f20\u8f93\u901f\u7387\u90fd\u4e0d\u9ad8\uff0c\u5728\u5904\u7406\u591a\u4e2a\u8bf7\u6c42\u540e\uff0c\u624d\u4f1a\u6162\u6162\u8fbe\u5230\u201c\u5408\u9002\u201d\u7684\u901f\u7387\u3002\u5bf9\u4e8e\u8bf7\u6c42\u6570\u636e\u91cf\u5f88\u5c0f\u7684 HTTP \u8bf7\u6c42\u6765\u8bf4\uff0c\u8fd9\u79cd\u60c5\u51b5\u5c31\u662f\u79cd\u707e\u96be\u3002<\/span><\/p>\n<\/div>\n

\n

3. \u81c3\u80bf\u7684\u6d88\u606f\u9996\u90e8<\/span><\/span><\/p>\n<\/div>\n

\n

HTTP\/1.1 \u7684\u9996\u90e8\u65e0\u6cd5\u538b\u7f29\uff0c\u518d\u52a0\u4e0a cookie \u7684\u5b58\u5728\uff0c\u7ecf\u5e38\u4f1a\u51fa\u73b0\u9996\u90e8\u5927\u5c0f\u6bd4\u8bf7\u6c42\u6570\u636e\u5927\u5c0f\u8fd8\u5927\u7684\u60c5\u51b5\u3002<\/span><\/p>\n<\/div>\n

\n

4. \u53d7\u9650\u7684\u4f18\u5148\u7ea7\u8bbe\u7f6e<\/span><\/span><\/p>\n<\/div>\n

\n

HTTP\/1.1 \u65e0\u6cd5\u4e3a\u91cd\u8981\u7684\u8d44\u6e90\u6307\u5b9a\u4f18\u5148\u7ea7\uff0c\u6bcf\u4e2a HTTP \u8bf7\u6c42\u90fd\u662f\u4e00\u89c6\u540c\u4ec1\u3002<\/span><\/p>\n<\/div>\n

\n

\u5728\u7ee7\u7eed\u8ba8\u8bba HTTP\/2 \u7684\u65b0\u529f\u80fd\u4e4b\u524d\uff0c\u5148\u628a HTTP\/1.1 \u7684\u95ee\u9898\u5217\u51fa\u6765\u662f\u6709\u610f\u4e49\u7684\u3002\u56e0\u4e3a HTTP\/2 \u7684\u67d0\u4e9b\u65b0\u529f\u80fd\u5c31\u662f\u4e3a\u4e86\u89e3\u51b3\u4e0a\u8ff0\u67d0\u4e9b\u95ee\u9898\u800c\u4ea7\u751f\u7684\u3002<\/span><\/p>\n<\/div>\n

\n

\u4e8c\u8fdb\u5236\u5206\u5e27\u5c42<\/span><\/span><\/p>\n<\/div>\n

\n

HTTP\/2 \u662f\u57fa\u4e8e\u5e27\u7684\u534f\u8bae\u3002\u91c7\u7528\u5206\u5e27\u662f\u4e3a\u4e86\u5c06\u91cd\u8981\u4fe1\u606f\u5c01\u88c5\u8d77\u6765\uff0c\u8ba9\u534f\u8bae\u7684\u89e3\u6790\u65b9\u53ef\u4ee5\u8f7b\u677e\u9605\u8bfb\u3001\u89e3\u6790\u5e76\u8fd8\u539f\u4fe1\u606f\u3002<\/span><\/p>\n<\/div>\n

\n

\u800c HTTP\/1.1 \u662f\u4ee5\u6587\u672c\u5206\u9694\u7684\u3002\u89e3\u6790 HTTP\/1.1 \u4e0d\u9700\u8981\u4ec0\u4e48\u9ad8\u79d1\u6280\uff0c\u4f46\u5f80\u5f80\u901f\u5ea6\u6162\u4e14\u5bb9\u6613\u51fa\u9519\u3002\u4f60\u9700\u8981\u4e0d\u65ad\u5730\u8bfb\u5165\u5b57\u8282\uff0c\u76f4\u5230\u9047\u5230\u5206\u9694\u7b26 CRLF \u4e3a\u6b62\uff0c\u540c\u65f6\u8fd8\u8981\u8003\u8651\u4e0d\u5b88\u89c4\u77e9\u7684\u5ba2\u6237\u7aef\uff0c\u5b83\u53ea\u4f1a\u53d1\u9001 LF\u3002<\/span><\/p>\n<\/div>\n

\n

\u89e3\u6790 HTTP\/1.1 \u7684\u8bf7\u6c42\u6216\u54cd\u5e94\u8fd8\u4f1a\u9047\u5230\u4ee5\u4e0b\u95ee\u9898\uff1a<\/span><\/p>\n<\/div>\n

\n

\u4e00\u6b21\u53ea\u80fd\u5904\u7406\u4e00\u4e2a\u8bf7\u6c42\u6216\u54cd\u5e94\uff0c\u5b8c\u6210\u4e4b\u524d\u4e0d\u80fd\u505c\u6b62\u89e3\u6790\u3002<\/span><\/span>\u65e0\u6cd5\u9884\u5224\u89e3\u6790\u9700\u8981\u591a\u5c11\u5185\u5b58\u3002<\/span><\/span><\/span>HTTP\/2 \u6709\u4e86\u5e27\uff0c\u5904\u7406\u534f\u8bae\u7684\u7a0b\u5e8f\u5c31\u80fd\u9884\u5148\u77e5\u9053\u4f1a\u6536\u5230\u4ec0\u4e48\uff0c\u5e76\u4e14 HTTP\/2 \u6709\u8868\u793a\u5e27\u957f\u5ea6\u7684\u5b57\u6bb5\u3002<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

\u5e27\u7ed3\u6784<\/span><\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n
<\/div>\n<\/div>\n
\n

\u7531\u4e8e HTTP\/2 \u662f\u5206\u5e27\u7684\uff0c\u8bf7\u6c42\u548c\u54cd\u5e94\u90fd\u53ef\u4ee5\u591a\u8def\u590d\u7528\uff0c\u6709\u52a9\u4e8e\u89e3\u51b3\u7c7b\u4f3c\u7c7b\u4f3c\u961f\u5934\u963b\u585e\u7684\u95ee\u9898\u3002<\/span><\/p>\n<\/div>\n

\n

\u5e27\u7c7b\u578b<\/span><\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

\u591a\u8def\u590d\u7528<\/span><\/span><\/p>\n<\/div>\n

\n

\u5728 HTTP\/1.1 \u4e2d\uff0c\u5982\u679c\u5ba2\u6237\u7aef\u60f3\u53d1\u9001\u591a\u4e2a\u5e76\u884c\u7684\u8bf7\u6c42\uff0c\u90a3\u4e48\u5fc5\u987b\u4f7f\u7528\u591a\u4e2a TCP \u8fde\u63a5\u3002<\/span><\/p>\n<\/div>\n

\n

\u800c HTTP\/2 \u7684\u4e8c\u8fdb\u5236\u5206\u5e27\u5c42\u7a81\u7834\u4e86\u8fd9\u4e00\u9650\u5236\uff0c\u6240\u6709\u7684\u8bf7\u6c42\u548c\u54cd\u5e94\u90fd\u5728\u540c\u4e00\u4e2a TCP \u8fde\u63a5\u4e0a\u53d1\u9001\uff1a\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u628a HTTP \u6d88\u606f\u5206\u89e3\u6210\u591a\u4e2a\u5e27\uff0c\u7136\u540e\u4e71\u5e8f\u53d1\u9001\uff0c\u6700\u540e\u5728\u53e6\u4e00\u7aef\u518d\u6839\u636e\u6d41 ID \u91cd\u65b0\u7ec4\u5408\u8d77\u6765\u3002<\/span><\/p>\n<\/div>\n

\n

\u8fd9\u4e2a\u673a\u5236\u4e3a HTTP \u5e26\u6765\u4e86\u5de8\u5927\u7684\u6027\u80fd\u63d0\u5347\uff0c\u56e0\u4e3a\uff1a<\/span><\/p>\n<\/div>\n

\n

\u53ef\u4ee5\u5e76\u884c\u4ea4\u9519\u5730\u53d1\u9001\u8bf7\u6c42\uff0c\u8bf7\u6c42\u4e4b\u95f4\u4e92\u4e0d\u5f71\u54cd\uff1b<\/span><\/span>\u53ef\u4ee5\u5e76\u884c\u4ea4\u9519\u5730\u53d1\u9001\u54cd\u5e94\uff0c\u54cd\u5e94\u4e4b\u95f4\u4e92\u4e0d\u5e72\u6270\uff1b<\/span><\/span>\u53ea\u4f7f\u7528\u4e00\u4e2a\u8fde\u63a5\u5373\u53ef\u5e76\u884c\u53d1\u9001\u591a\u4e2a\u8bf7\u6c42\u548c\u54cd\u5e94\uff1b<\/span><\/span>\u6d88\u9664\u4e0d\u5fc5\u8981\u7684\u5ef6\u8fdf\uff0c\u4ece\u800c\u51cf\u5c11\u9875\u9762\u52a0\u8f7d\u7684\u65f6\u95f4\uff1b<\/span><\/span>\u4e0d\u5fc5\u518d\u4e3a\u7ed5\u8fc7 HTTP 1.x \u9650\u5236\u800c\u591a\u505a\u5f88\u591a\u5de5\u4f5c\uff1b<\/span><\/span><\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

\u6d41<\/span><\/span><\/p>\n<\/div>\n

\n

HTTP\/2 \u89c4\u8303\u5bf9\u6d41\u7684\u5b9a\u4e49\u662f\uff1aHTTP\/2 \u8fde\u63a5\u4e0a\u72ec\u7acb\u7684\u3001\u53cc\u5411\u7684\u5e27\u5e8f\u5217\u4ea4\u6362\u3002\u5982\u679c\u5ba2\u6237\u7aef\u60f3\u8981\u53d1\u51fa\u8bf7\u6c42\uff0c\u5b83\u4f1a\u5f00\u542f\u4e00\u4e2a\u65b0\u6d41\uff0c\u7136\u540e\u670d\u52a1\u5668\u5728\u8fd9\u4e2a\u6d41\u4e0a\u56de\u590d\u3002 \u7531\u4e8e\u6709\u5206\u5e27\uff0c\u6240\u4ee5\u591a\u4e2a\u8bf7\u6c42\u548c\u54cd\u5e94\u53ef\u4ee5\u4ea4\u9519\uff0c\u800c\u4e0d\u4f1a\u4e92\u76f8\u963b\u585e\u3002\u6d41 ID \u7528\u6765\u6807\u8bc6\u5e27\u6240\u5c5e\u7684\u6d41\u3002<\/span><\/p>\n<\/div>\n

\n

\u5ba2\u6237\u7aef\u5230\u670d\u52a1\u5668\u7684 HTTP\/2 \u8fde\u63a5\u5efa\u7acb\u540e\uff0c\u901a\u8fc7\u53d1\u9001 HEADERS \u5e27\u6765\u542f\u52a8\u65b0\u7684\u6d41\u3002\u5982\u679c\u9996\u90e8\u9700\u8981\u8de8\u591a\u4e2a\u5e27\uff0c\u53ef\u80fd\u8fd8\u4f1a\u53d1\u9001 CONTINUATION \u5e27\u3002\u8be5 HEADERS \u5e27\u53ef\u80fd\u6765\u81ea\u8bf7\u6c42\u6216\u54cd\u5e94\u3002 \u540e\u7eed\u6d41\u542f\u52a8\u7684\u65f6\u5019\uff0c\u4f1a\u53d1\u9001\u4e00\u4e2a\u5e26\u6709\u9012\u589e\u6d41 ID \u7684\u65b0 HEADERS \u5e27\u3002<\/span><\/p>\n<\/div>\n

\n

\u6d88\u606f<\/span><\/span><\/p>\n<\/div>\n

\n

HTTP \u6d88\u606f\u6cdb\u6307 HTTP \u8bf7\u6c42\u6216\u54cd\u5e94\uff0c\u6d88\u606f\u7531\u4e00\u6216\u591a\u4e2a\u5e27\u7ec4\u6210\uff0c\u8fd9\u4e9b\u5e27\u53ef\u4ee5\u4e71\u5e8f\u53d1\u9001\uff0c\u7136\u540e\u518d\u6839\u636e\u6bcf\u4e2a\u5e27\u9996\u90e8\u7684\u6d41 ID \u91cd\u65b0\u7ec4\u88c5\u3002<\/span><\/p>\n<\/div>\n

\n

\u4e00\u4e2a\u6d88\u606f\u81f3\u5c11\u7531 HEADERS \u5e27\uff08\u5b83\u521d\u59cb\u5316\u6d41\uff09\u7ec4\u6210\uff0c\u5e76\u4e14\u53ef\u4ee5\u53e6\u5916\u5305\u542b CONTINUATION \u548c DATA \u5e27\uff0c\u4ee5\u53ca\u5176\u4ed6\u7684 HEADERS \u5e27\u3002<\/span><\/p>\n<\/div>\n

\n
<\/div>\n<\/div>\n
\n

HTTP\/1.1 \u7684\u8bf7\u6c42\u548c\u54cd\u5e94\u90e8\u5206\u90fd\u5206\u6210\u6d88\u606f\u9996\u90e8\u548c\u6d88\u606f\u4f53\u4e24\u90e8\u5206\uff1bHTTP\/2 \u7684\u8bf7\u6c42\u548c\u54cd\u5e94\u5206\u6210 HEADERS \u5e27\u548c DATA \u5e27\u3002<\/span><\/p>\n<\/div>\n

\n

\u4f18\u5148\u7ea7<\/span><\/span><\/p>\n<\/div>\n

\n

\u628a HTTP \u6d88\u606f\u5206\u89e3\u4e3a\u5f88\u591a\u72ec\u7acb\u7684\u5e27\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u901a\u8fc7\u4f18\u5316\u8fd9\u4e9b\u5e27\u7684\u4ea4\u9519\u548c\u4f20\u8f93\u987a\u5e8f\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u6027\u80fd\u3002<\/span><\/p>\n<\/div>\n

\n

\u901a\u8fc7 HEADERS \u5e27\u548c PRIORITY \u5e27\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u660e\u786e\u5730\u548c\u670d\u52a1\u5668\u6c9f\u901a\u5b83\u9700\u8981\u4ec0\u4e48\uff0c\u4ee5\u53ca\u5b83\u9700\u8981\u8fd9\u4e9b\u8d44\u6e90\u7684\u987a\u5e8f\u3002\u5177\u4f53\u6765\u8bb2\uff0c\u670d\u52a1\u5668\u53ef\u4ee5\u6839\u636e\u6d41\u7684\u4f18\u5148\u7ea7\uff0c\u63a7\u5236\u8d44\u6e90\u5206\u914d\uff08CPU\u3001\u5185\u5b58\u3001\u5e26\u5bbd\uff09\uff0c\u800c\u5728\u54cd\u5e94\u6570\u636e\u51c6\u5907\u597d\u4e4b\u540e\uff0c\u4f18\u5148\u5c06\u6700\u9ad8\u4f18\u5148\u7ea7\u7684\u5e27\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u3002<\/span><\/p>\n<\/div>\n

\n

\u6d41\u91cf\u63a7\u5236<\/span><\/span><\/p>\n<\/div>\n

\n

\u5728\u540c\u4e00\u4e2a TCP \u8fde\u63a5\u4e0a\u4f20\u8f93\u591a\u4e2a\u6570\u636e\u6d41\uff0c\u5c31\u610f\u5473\u7740\u8981\u5171\u4eab\u5e26\u5bbd\u3002\u6807\u5b9a\u6570\u636e\u6d41\u7684\u4f18\u5148\u7ea7\u6709\u52a9\u4e8e\u6309\u5e8f\u4ea4\u4ed8\uff0c\u4f46\u53ea\u6709\u4f18\u5148\u7ea7\u8fd8\u4e0d\u8db3\u4ee5\u786e\u5b9a\u591a\u4e2a\u6570\u636e\u6d41\u6216\u591a\u4e2a\u8fde\u63a5\u95f4\u7684\u8d44\u6e90\u5206\u914d\u3002<\/span><\/p>\n<\/div>\n

\n

\u4e3a\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0cHTTP\/2 \u4e3a\u6570\u636e\u6d41\u548c\u8fde\u63a5\u7684\u6d41\u91cf\u63a7\u5236\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u673a\u5236\uff1a<\/span><\/p>\n<\/div>\n

\n

\u6d41\u91cf\u63a7\u5236\u57fa\u4e8e\u6bcf\u4e00\u8df3\u8fdb\u884c\uff0c\u800c\u975e\u7aef\u5230\u7aef\u7684\u63a7\u5236\uff1b<\/span><\/span>\u6d41\u91cf\u63a7\u5236\u57fa\u4e8e WINDOW_UPDATE \u5e27\u8fdb\u884c\uff0c\u5373\u63a5\u6536\u65b9\u5e7f\u64ad\u81ea\u5df1\u51c6\u5907\u63a5\u6536\u67d0\u4e2a\u6570\u636e\u6d41\u7684\u591a\u5c11\u5b57\u8282\uff0c\u4ee5\u53ca\u5bf9\u6574\u4e2a\u8fde\u63a5\u8981\u63a5\u6536\u591a\u5c11\u5b57\u8282\uff1b<\/span><\/span>\u6d41\u91cf\u63a7\u5236\u7a97\u53e3\u5927\u5c0f\u901a\u8fc7 WINDOW_UPDATE \u5e27\u66f4\u65b0\uff0c\u8fd9\u4e2a\u5b57\u6bb5\u6307\u5b9a\u4e86\u6d41 ID \u548c\u7a97\u53e3\u5927\u5c0f\u9012\u589e\u503c\uff1b<\/span><\/span>\u6d41\u91cf\u63a7\u5236\u6709\u65b9\u5411\u6027\uff0c\u5373\u63a5\u6536\u65b9\u53ef\u80fd\u6839\u636e\u81ea\u5df1\u7684\u60c5\u51b5\u4e3a\u6bcf\u4e2a\u6d41\u4e43\u81f3\u6574\u4e2a\u8fde\u63a5\u8bbe\u7f6e\u4efb\u610f\u7a97\u53e3\u5927\u5c0f\uff1b<\/span><\/span>\u6d41\u91cf\u63a7\u5236\u53ef\u4ee5\u7531\u63a5\u6536\u65b9\u7981\u7528\uff0c\u5305\u62ec\u9488\u5bf9\u4e2a\u522b\u7684\u6d41\u548c\u9488\u5bf9\u6574\u4e2a\u8fde\u63a5\u3002<\/span><\/span><\/span>HTTP\/2 \u8fde\u63a5\u5efa\u7acb\u4e4b\u540e\uff0c\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4ea4\u6362 SETTINGS \u5e27\uff0c\u76ee\u7684\u662f\u8bbe\u7f6e\u53cc\u5411\u7684\u6d41\u91cf\u63a7\u5236\u7a97\u53e3\u5927\u5c0f\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u4efb\u4f55\u4e00\u7aef\u90fd\u53ef\u4ee5\u9009\u62e9\u7981\u7528\u4e2a\u522b\u6d41\u6216\u6574\u4e2a\u8fde\u63a5\u7684\u6d41\u91cf\u63a7\u5236\u3002<\/span><\/p>\n<\/div>\n

\n

\u670d\u52a1\u5668\u63a8\u9001<\/span>HTTP\/2 \u65b0\u589e\u7684\u4e00\u4e2a\u5f3a\u5927\u7684\u65b0\u529f\u80fd\uff0c\u5c31\u662f\u670d\u52a1\u5668\u53ef\u4ee5\u5bf9\u4e00\u4e2a\u5ba2\u6237\u7aef\u8bf7\u6c42\u53d1\u9001\u591a\u4e2a\u54cd\u5e94\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u9664\u4e86\u5bf9\u6700\u521d\u8bf7\u6c42\u7684\u54cd\u5e94\u5916\uff0c\u670d\u52a1\u5668\u8fd8\u53ef\u4ee5\u989d\u5916\u5411\u5ba2\u6237\u7aef\u63a8\u9001\u8d44\u6e90\uff0c\u800c\u65e0\u9700\u5ba2\u6237\u7aef\u660e\u786e\u5730\u8bf7\u6c42\u3002<\/span><\/p>\n<\/div>\n

\n
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\n

\u4e3a\u4ec0\u4e48\u9700\u8981\u8fd9\u6837\u4e00\u4e2a\u673a\u5236\u5462\uff1f\u901a\u5e38\u7684 Web \u5e94\u7528\u90fd\u7531\u51e0\u5341\u4e2a\u8d44\u6e90\u7ec4\u6210\uff0c\u5ba2\u6237\u7aef\u9700\u8981\u5206\u6790\u670d\u52a1\u5668\u63d0\u4f9b\u7684\u6587\u6863\u624d\u80fd\u9010\u4e2a\u627e\u5230\u5b83\u4eec\u3002\u90a3\u4e3a\u4ec0\u4e48\u4e0d\u8ba9\u670d\u52a1\u5668\u63d0\u524d\u5c31\u628a\u8fd9\u4e9b\u8d44\u6e90\u63a8\u9001\u7ed9\u5ba2\u6237\u7aef\uff0c\u4ece\u800c\u51cf\u5c11\u989d\u5916\u7684\u65f6\u95f4\u5ef6\u8fdf\u5462\uff1f\u670d\u52a1\u5668\u5df2\u7ecf\u77e5\u9053\u5ba2\u6237\u7aef\u4e0b\u4e00\u6b65\u8981\u8bf7\u6c42\u4ec0\u4e48\u8d44\u6e90\u4e86\uff0c\u8fd9\u65f6\u5019\u670d\u52a1\u5668\u63a8\u9001\u5373\u53ef\u6d3e\u4e0a\u7528\u573a\u3002<\/span><\/p>\n<\/div>\n

\n

\u53e6\u5916\uff0c\u5ba2\u6237\u7aef\u4e5f\u53ef\u4ee5\u62d2\u7edd\u670d\u52a1\u5668\u7684\u63a8\u9001\u3002<\/span><\/p>\n<\/div>\n

\n

\u9996\u90e8\u538b\u7f29<\/span><\/span><\/p>\n<\/div>\n

\n

HTTP\/1.1 \u5b58\u5728\u7684\u4e00\u4e2a\u95ee\u9898\u5c31\u662f\u81c3\u80bf\u7684\u9996\u90e8\uff0cHTTP\/2 \u5bf9\u8fd9\u4e00\u95ee\u9898\u8fdb\u884c\u4e86\u6539\u8fdb\uff0c\u53ef\u4ee5\u5bf9\u9996\u90e8\u8fdb\u884c\u538b\u7f29\u3002<\/span><\/p>\n<\/div>\n

\n

\u5728\u4e00\u4e2a Web \u9875\u9762\u4e2d\uff0c\u4e00\u822c\u90fd\u4f1a\u5305\u542b\u5927\u91cf\u7684\u8bf7\u6c42\uff0c\u800c\u5176\u4e2d\u6709\u5f88\u591a\u8bf7\u6c42\u7684\u9996\u90e8\u5f80\u5f80\u6709\u5f88\u591a\u91cd\u590d\u7684\u90e8\u5206\u3002<\/span><\/p>\n<\/div>\n

\n

\u4f8b\u5982\u6709\u5982\u4e0b\u4e24\u4e2a\u8bf7\u6c42\uff1a<\/span><\/p>\n<\/div>\n

\n
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\n
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\n

\u4ece\u4e0a\u9762\u4e24\u4e2a\u8bf7\u6c42\u53ef\u4ee5\u770b\u51fa\u6765\uff0c\u6709\u5f88\u591a\u6570\u636e\u90fd\u662f\u91cd\u590d\u7684\u3002\u5982\u679c\u53ef\u4ee5\u628a\u76f8\u540c\u7684\u9996\u90e8\u5b58\u50a8\u8d77\u6765\uff0c\u4ec5\u53d1\u9001\u5b83\u4eec\u4e4b\u95f4\u4e0d\u540c\u7684\u90e8\u5206\uff0c\u5c31\u53ef\u4ee5\u8282\u7701\u4e0d\u5c11\u7684\u6d41\u91cf\uff0c\u52a0\u5feb\u8bf7\u6c42\u7684\u65f6\u95f4\u3002<\/span><\/p>\n<\/div>\n

\n

HTTP\/2 \u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u4f7f\u7528\u201c\u9996\u90e8\u8868\u201d\u6765\u8ddf\u8e2a\u548c\u5b58\u50a8\u4e4b\u524d\u53d1\u9001\u7684\u952e\uff0d\u503c\u5bf9\uff0c\u5bf9\u4e8e\u76f8\u540c\u7684\u6570\u636e\uff0c\u4e0d\u518d\u901a\u8fc7\u6bcf\u6b21\u8bf7\u6c42\u548c\u54cd\u5e94\u53d1\u9001\u3002<\/span><\/p>\n<\/div>\n

\n

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\n
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\n

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\n
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\n

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\n

\u5f53\u5ba2\u6237\u7aef\u53d1\u9001\u4e0b\u4e00\u4e2a\u8bf7\u6c42\u7684\u65f6\u5019\uff0c\u5982\u679c\u9996\u90e8\u76f8\u540c\uff0c\u5b83\u53ef\u4ee5\u76f4\u63a5\u53d1\u9001\u8fd9\u6837\u7684\u9996\u90e8\u5757\uff1a<\/span><\/p>\n<\/div>\n

\n

626364<\/span><\/span><\/p>\n<\/div>\n

\n

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\u6027\u80fd\u4f18\u5316<\/span><\/span><\/p>\n<\/div>\n

\n

\u4f7f\u7528 HTTP\/2 \u4ee3\u66ff HTTP\/1.1\uff0c\u672c\u8eab\u5c31\u662f\u4e00\u79cd\u5de8\u5927\u7684\u6027\u80fd\u63d0\u5347\u3002<\/span><\/p>\n<\/div>\n

\n

\u8fd9\u5c0f\u8282\u8981\u804a\u7684\u662f\u5728 HTTP\/1.1 \u4e2d\u7684\u67d0\u4e9b\u4f18\u5316\u624b\u6bb5\uff0c\u5728 HTTP\/2 \u4e2d\u662f\u4e0d\u5fc5\u8981\u7684\uff0c\u53ef\u4ee5\u53d6\u6d88\u7684\u3002<\/span><\/p>\n<\/div>\n

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\u53d6\u6d88\u5408\u5e76\u8d44\u6e90<\/span><\/span><\/p>\n<\/div>\n

\n

\u5728 HTTP\/1.1 \u4e2d\u8981\u628a\u591a\u4e2a\u5c0f\u8d44\u6e90\u5408\u5e76\u6210\u4e00\u4e2a\u5927\u8d44\u6e90\uff0c\u4ece\u800c\u51cf\u5c11\u8bf7\u6c42\u3002\u800c\u5728 HTTP\/2 \u5c31\u4e0d\u9700\u8981\u4e86\uff0c\u56e0\u4e3a HTTP\/2 \u6240\u6709\u7684\u8bf7\u6c42\u90fd\u53ef\u4ee5\u5728\u4e00\u4e2a TCP \u8fde\u63a5\u53d1\u9001\u3002<\/span><\/p>\n<\/div>\n

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\u53d6\u6d88\u57df\u540d\u62c6\u5206<\/span><\/span><\/p>\n<\/div>\n

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