{"id":2869,"date":"2019-02-19T13:55:28","date_gmt":"2019-02-19T05:55:28","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=2869"},"modified":"2019-02-19T13:55:28","modified_gmt":"2019-02-19T05:55:28","slug":"orm%e7%9a%84%e6%a6%82%e5%bf%b5-orm%e5%88%b0%e5%ba%95%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/2869","title":{"rendered":"ORM\u7684\u6982\u5ff5, ORM\u5230\u5e95\u662f\u4ec0\u4e48"},"content":{"rendered":"<div class=\"posttitle\">\u4e00\u3001ORM\u7b80\u4ecb<\/div>\n<div class=\"postbody\">\n<div id=\"cnblogs_post_body\" class=\"blogpost-body\">\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff08Object Relational Mapping\uff0c\u7b80\u79f0ORM\uff09\u6a21\u5f0f\u662f\u4e00\u79cd\u4e3a\u4e86\u89e3\u51b3\u9762\u5411\u5bf9\u8c61\u4e0e\u5173\u7cfb\u6570\u636e\u5e93\u5b58\u5728\u7684\u4e92\u4e0d\u5339\u914d\u7684\u73b0\u8c61\u7684\u6280\u672f\u3002\u7b80\u5355\u7684\u8bf4\uff0cORM\u662f\u901a\u8fc7\u4f7f\u7528\u63cf\u8ff0\u5bf9\u8c61\u548c\u6570\u636e\u5e93\u4e4b\u95f4\u6620\u5c04\u7684\u5143\u6570\u636e\uff0c\u5c06\u7a0b\u5e8f\u4e2d\u7684\u5bf9\u8c61\u81ea\u52a8\u6301\u4e45\u5316\u5230\u5173\u7cfb\u6570\u636e\u5e93\u4e2d\u3002\u90a3\u4e48\uff0c\u5230\u5e95\u5982\u4f55\u5b9e\u73b0\u6301\u4e45\u5316\u5462\uff1f\u4e00\u79cd\u7b80\u5355\u7684\u65b9\u6848\u662f\u91c7\u7528\u786c\u7f16\u7801\u65b9\u5f0f\uff0c\u4e3a\u6bcf\u4e00\u79cd\u53ef\u80fd\u7684\u6570\u636e\u5e93\u8bbf\u95ee\u64cd\u4f5c\u63d0\u4f9b\u5355\u72ec\u7684\u65b9\u6cd5\u3002<br \/>\n\u8fd9\u79cd\u65b9\u6848\u5b58\u5728\u4ee5\u4e0b\u4e0d\u8db3\uff1a<br \/>\n1.\u6301\u4e45\u5316\u5c42\u7f3a\u4e4f\u5f39\u6027\u3002\u4e00\u65e6\u51fa\u73b0\u4e1a\u52a1\u9700\u6c42\u7684\u53d8\u66f4\uff0c\u5c31\u5fc5\u987b\u4fee\u6539\u6301\u4e45\u5316\u5c42\u7684\u63a5\u53e3<br \/>\n2.\u6301\u4e45\u5316\u5c42\u540c\u65f6\u4e0e\u57df\u6a21\u578b\u4e0e\u5173\u7cfb\u6570\u636e\u5e93\u6a21\u578b\u7ed1\u5b9a\uff0c\u4e0d\u7ba1\u57df\u6a21\u578b\u8fd8\u662f\u5173\u7cfb\u6570\u636e\u5e93\u6a21\u578b\u53d1\u751f\u53d8\u5316\uff0c\u6bd2\u836f\u4fee\u6539\u6301\u4e45\u5316\u66fe\u7684\u76f8\u5173\u7a0b\u5e8f\u4ee3\u7801\uff0c\u589e\u52a0\u4e86\u8f6f\u4ef6\u7684\u7ef4\u62a4\u96be\u5ea6\u3002<\/p>\n<p>ORM\u63d0\u4f9b\u4e86\u5b9e\u73b0\u6301\u4e45\u5316\u5c42\u7684\u53e6\u4e00\u79cd\u6a21\u5f0f\uff0c\u5b83\u91c7\u7528\u6620\u5c04\u5143\u6570\u636e\u6765\u63cf\u8ff0\u5bf9\u8c61\u5173\u7cfb\u7684\u6620\u5c04\uff0c\u4f7f\u5f97ORM\u4e2d\u95f4\u4ef6\u80fd\u5728\u4efb\u4f55\u4e00\u4e2a\u5e94\u7528\u7684\u4e1a\u52a1\u903b\u8f91\u5c42\u548c\u6570\u636e\u5e93\u5c42\u4e4b\u95f4\u5145\u5f53\u6865\u6881\u3002Java\u5178\u578b\u7684ORM\u4e2d\u95f4\u4ef6\u6709:Hibernate,ibatis,speedframework\u3002<br \/>\nORM\u7684\u65b9\u6cd5\u8bba\u57fa\u4e8e\u4e09\u4e2a\u6838\u5fc3\u539f\u5219\uff1a<br \/>\n\u00b7 \u7b80\u5355\uff1a\u4ee5\u6700\u57fa\u672c\u7684\u5f62\u5f0f\u5efa\u6a21\u6570\u636e\u3002<br \/>\n\u00b7 \u4f20\u8fbe\u6027\uff1a\u6570\u636e\u5e93\u7ed3\u6784\u88ab\u4efb\u4f55\u4eba\u90fd\u80fd\u7406\u89e3\u7684\u8bed\u8a00\u6587\u6863\u5316\u3002<br \/>\n\u00b7 \u7cbe\u786e\u6027\uff1a\u57fa\u4e8e\u6570\u636e\u6a21\u578b\u521b\u5efa\u6b63\u786e\u6807\u51c6\u5316\u4e86\u7684\u7ed3\u6784\u3002<\/p>\n<p>\u4e8c\u3001ORM\u7684\u6982\u5ff5<br \/>\n\u8ba9\u6211\u4eec\u4eceO\/R\u5f00\u59cb\u3002\u5b57\u6bcdO\u8d77\u6e90\u4e8e&#8221;\u5bf9\u8c61&#8221;(Object),\u800cR\u5219\u6765\u81ea\u4e8e&#8221;\u5173\u7cfb&#8221;(Relational)\u3002\u51e0\u4e4e\u6240\u6709\u7684\u7a0b\u5e8f\u91cc\u9762\uff0c\u90fd\u5b58\u5728\u5bf9\u8c61\u548c\u5173\u7cfb\u6570\u636e\u5e93\u3002\u5728\u4e1a\u52a1\u903b\u8f91\u5c42\u548c\u7528\u6237\u754c\u9762\u5c42\u4e2d\uff0c\u6211\u4eec\u662f\u9762\u5411\u5bf9\u8c61\u7684\u3002\u5f53\u5bf9\u8c61\u4fe1\u606f\u53d1\u751f\u53d8\u5316\u7684\u65f6\u5019\uff0c\u6211\u4eec\u9700\u8981\u628a\u5bf9\u8c61\u7684\u4fe1\u606f\u4fdd\u5b58\u5728\u5173\u7cfb\u6570\u636e\u5e93\u4e2d\u3002<br \/>\n\u5f53\u4f60\u5f00\u53d1\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u65f6\u5019(\u4e0d\u4f7f\u7528O\/R Mapping),\u4f60\u53ef\u80fd\u4f1a\u5199\u4e0d\u5c11\u6570\u636e\u8bbf\u95ee\u5c42\u7684\u4ee3\u7801\uff0c\u7528\u6765\u4ece\u6570\u636e\u5e93\u4fdd\u5b58\uff0c\u5220\u9664\uff0c\u8bfb\u53d6\u5bf9\u8c61\u4fe1\u606f\uff0c\u7b49\u7b49\u3002\u4f60\u5728DAL\u4e2d\u5199\u4e86\u5f88\u591a\u7684\u65b9\u6cd5\u6765\u8bfb\u53d6\u5bf9\u8c61\u6570\u636e\uff0c\u6539\u53d8\u72b6\u6001\u5bf9\u8c61\u7b49\u7b49\u4efb\u52a1\u3002\u800c\u8fd9\u4e9b\u4ee3\u7801\u5199\u8d77\u6765\u603b\u662f\u91cd\u590d\u7684\u3002<\/p>\n<p>ORM\u89e3\u51b3\u7684\u4e3b\u8981\u95ee\u9898\u662f\u5bf9\u8c61\u5173\u7cfb\u7684\u6620\u5c04\u3002\u57df\u6a21\u578b\u548c\u5173\u7cfb\u6a21\u578b\u5206\u522b\u662f\u5efa\u7acb\u5728\u6982\u5ff5\u6a21\u578b\u7684\u57fa\u7840\u4e0a\u7684\u3002\u57df\u6a21\u578b\u662f\u9762\u5411\u5bf9\u8c61\u7684\uff0c\u800c\u5173\u7cfb\u6a21\u578b\u662f\u9762\u5411\u5173\u7cfb\u7684\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u4e00\u4e2a\u6301\u4e45\u5316\u7c7b\u548c\u4e00\u4e2a\u8868\u5bf9\u5e94\uff0c\u7c7b\u7684\u6bcf\u4e2a\u5b9e\u4f8b\u5bf9\u5e94\u8868\u4e2d\u7684\u4e00\u6761\u8bb0\u5f55\uff0c\u7c7b\u7684\u6bcf\u4e2a\u5c5e\u6027\u5bf9\u5e94\u8868\u7684\u6bcf\u4e2a\u5b57\u6bb5\u3002<br \/>\nORM\u6280\u672f\u7279\u70b9\uff1a<br \/>\n1.\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387\u3002\u7531\u4e8eORM\u53ef\u4ee5\u81ea\u52a8\u5bf9Entity\u5bf9\u8c61\u4e0e\u6570\u636e\u5e93\u4e2d\u7684Table\u8fdb\u884c\u5b57\u6bb5\u4e0e\u5c5e\u6027\u7684\u6620\u5c04\uff0c\u6240\u4ee5\u6211\u4eec\u5b9e\u9645\u53ef\u80fd\u5df2\u7ecf\u4e0d\u9700\u8981\u4e00\u4e2a\u4e13\u7528\u7684\u3001\u5e9e\u5927\u7684\u6570\u636e\u8bbf\u95ee\u5c42\u3002<br \/>\n2.ORM\u63d0\u4f9b\u4e86\u5bf9\u6570\u636e\u5e93\u7684\u6620\u5c04\uff0c\u4e0d\u7528sql\u76f4\u63a5\u7f16\u7801\uff0c\u80fd\u591f\u50cf\u64cd\u4f5c\u5bf9\u8c61\u4e00\u6837\u4ece\u6570\u636e\u5e93\u83b7\u53d6\u6570\u636e\u3002<\/p>\n<p>\u4e09\u3001ORM\u7684\u4f18\u7f3a\u70b9<br \/>\nORM\u7684\u7f3a\u70b9\u662f\u4f1a\u727a\u7272\u7a0b\u5e8f\u7684\u6267\u884c\u6548\u7387\u548c\u4f1a\u56fa\u5b9a\u601d\u7ef4\u6a21\u5f0f\u3002<br \/>\n\u4ece\u7cfb\u7edf\u7ed3\u6784\u4e0a\u6765\u770b,\u91c7\u7528ORM\u7684\u7cfb\u7edf\u4e00\u822c\u90fd\u662f\u591a\u5c42\u7cfb\u7edf\uff0c\u7cfb\u7edf\u7684\u5c42\u6b21\u591a\u4e86\uff0c\u6548\u7387\u5c31\u4f1a\u964d\u4f4e\u3002ORM\u662f\u4e00\u79cd\u5b8c\u5168\u7684\u9762\u5411\u5bf9\u8c61\u7684\u505a\u6cd5\uff0c\u800c\u9762\u5411\u5bf9\u8c61\u7684\u505a\u6cd5\u4e5f\u4f1a\u5bf9\u6027\u80fd\u4ea7\u751f\u4e00\u5b9a\u7684\u5f71\u54cd\u3002<\/p>\n<p>\u5728\u6211\u4eec\u5f00\u53d1\u7cfb\u7edf\u65f6\uff0c\u4e00\u822c\u90fd\u6709\u6027\u80fd\u95ee\u9898\u3002\u6027\u80fd\u95ee\u9898\u4e3b\u8981\u4ea7\u751f\u5728\u7b97\u6cd5\u4e0d\u6b63\u786e\u548c\u4e0e\u6570\u636e\u5e93\u4e0d\u6b63\u786e\u7684\u4f7f\u7528\u4e0a\u3002ORM\u6240\u751f\u6210\u7684\u4ee3\u7801\u4e00\u822c\u4e0d\u592a\u53ef\u80fd\u5199\u51fa\u5f88\u9ad8\u6548\u7684\u7b97\u6cd5\uff0c\u5728\u6570\u636e\u5e93\u5e94\u7528\u4e0a\u66f4\u6709\u53ef\u80fd\u4f1a\u88ab\u8bef\u7528\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u5bf9\u6301\u4e45\u5bf9\u8c61\u7684\u63d0\u53d6\u548c\u548c\u6570\u636e\u7684\u52a0\u5de5\u5904\u7406\u4e0a\uff0c\u5982\u679c\u7528\u4e0a\u4e86ORM,\u7a0b\u5e8f\u5458\u5f88\u6709\u53ef\u80fd\u5c06\u5168\u90e8\u7684\u6570\u636e\u63d0\u53d6\u5230\u5185\u5b58\u5bf9\u8c61\u4e2d\uff0c\u7136\u540e\u518d\u8fdb\u884c\u8fc7\u6ee4\u548c\u52a0\u5de5\u5904\u7406\uff0c\u8fd9\u6837\u5c31\u5bb9\u6613\u4ea7\u751f\u6027\u80fd\u95ee\u9898\u3002<br \/>\n\u5728\u5bf9\u5bf9\u8c61\u505a\u6301\u4e45\u5316\u65f6\uff0cORM\u4e00\u822c\u4f1a\u6301\u4e45\u5316\u6240\u6709\u7684\u5c5e\u6027\uff0c\u6709\u65f6\uff0c\u8fd9\u662f\u4e0d\u5e0c\u671b\u7684\u3002<br \/>\n\u4f46ORM\u662f\u4e00\u79cd\u5de5\u5177\uff0c\u5de5\u5177\u786e\u5b9e\u80fd\u89e3\u51b3\u4e00\u4e9b\u91cd\u590d\uff0c\u7b80\u5355\u7684\u52b3\u52a8\u3002\u8fd9\u662f\u4e0d\u53ef\u5426\u8ba4\u7684\u3002\u4f46\u6211\u4eec\u4e0d\u80fd\u6307\u671b\u5de5\u5177\u80fd\u4e00\u52b3\u6c38\u9038\u7684\u89e3\u51b3\u6240\u6709\u95ee\u9898\uff0c\u6709\u4e9b\u95ee\u9898\u8fd8\u662f\u9700\u8981\u7279\u6b8a\u5904\u7406\u7684\uff0c\u4f46\u9700\u8981\u7279\u6b8a\u5904\u7406\u7684\u90e8\u5206\u5bf9\u7edd\u5927\u591a\u6570\u7684\u7cfb\u7edf\uff0c\u5e94\u8be5\u662f\u5f88\u5c11\u7684\u3002<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001ORM\u7b80\u4ecb \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5bf9\u8c61\u5173\u7cfb<\/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":[],"tags":[119],"class_list":["post-2869","post","type-post","status-publish","format-standard","hentry","tag-03-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/2869","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=2869"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/2869\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=2869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=2869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=2869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}