{"id":23028,"date":"2024-11-21T12:44:27","date_gmt":"2024-11-21T04:44:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23028\/"},"modified":"2024-11-21T12:44:27","modified_gmt":"2024-11-21T04:44:27","slug":"%e5%a6%82%e4%bd%95%e7%94%a8thinkphp-m%e6%96%b9%e6%b3%95%e5%ae%9e%e7%8e%b0%e5%a4%9a%e8%a1%a8%e6%9f%a5%e8%af%a2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23028\/","title":{"rendered":"\u5982\u4f55\u7528thinkphp m\u65b9\u6cd5\u5b9e\u73b0\u591a\u8868\u67e5\u8be2"},"content":{"rendered":"<\/p>\n

\u4e00\u3001\u4ec0\u4e48\u662f\u591a\u8868\u67e5\u8be2<\/strong>
\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u6709\u65f6\u6211\u4eec\u9700\u8981\u67e5\u8be2\u591a\u4e2a\u6570\u636e\u8868\u4e4b\u95f4\u7684\u6570\u636e\u5173\u7cfb\uff0c\u8fd9\u5c31\u9700\u8981\u4f7f\u7528\u591a\u8868\u67e5\u8be2\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2aSELECT\u8bed\u53e5\u6765\u5b9e\u73b0\u591a\u8868\u67e5\u8be2\uff0c\u4f46\u8fd9\u79cd\u65b9\u5f0f\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\u4f1a\u5f88\u6162\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u4f7f\u7528\u66f4\u9ad8\u6548\u7684\u65b9\u5f0f\u8fdb\u884c\u591a\u8868\u67e5\u8be2\u3002<\/p>\n

\u4e8c\u3001 M\u65b9\u6cd5\u591a\u8868\u67e5\u8be2\u7684\u5b9e\u73b0<\/strong>
\u5728thinkphp\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528M\u65b9\u6cd5\u6765\u5b9e\u73b0\u591a\u8868\u67e5\u8be2\u3002M\u65b9\u6cd5\u662f\u4e00\u79cd\u9ad8\u6548\u7684ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5c01\u88c5SQL\u8bed\u53e5\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5904\u7406\u3002<\/p>\n

1.\u57fa\u7840\u4f7f\u7528\u65b9\u6cd5\uff1a
\u4f7f\u7528M\u65b9\u6cd5\u8fdb\u884c\u591a\u8868\u67e5\u8be2\u5341\u5206\u7b80\u5355\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5728\u4f7f\u7528M\u65b9\u6cd5\u65f6\u4f20\u5165\u591a\u4e2a\u8868\u540d\uff0c\u5c31\u53ef\u4ee5\u5b9e\u73b0\u591a\u8868\u67e5\u8be2\u3002<\/p>\n

\u4f8b\u5982\u6211\u4eec\u6709\u4e24\u4e2a\u6570\u636e\u8868\uff1auser\u548corder\uff0c\u73b0\u5728\u6211\u4eec\u9700\u8981\u67e5\u8be2user\u8868\u548corder\u8868\u4e2d\u7684\u6570\u636e\u5173\u7cfb\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

$user_order = M('User')-&gt;table(array('user'=&gt;'u','order'=&gt;'o'))-&gt;where('u.id = o.user_id')-&gt;select();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86table\u65b9\u6cd5\u5e76\u4f20\u5165\u4e86\u591a\u4e2a\u8868\u540d\uff0c\u901a\u8fc7where\u65b9\u6cd5\u6765\u6307\u5b9a\u4e24\u4e2a\u6570\u636e\u8868\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u6700\u540e\u4f7f\u7528select\u65b9\u6cd5\u6765\u83b7\u53d6\u67e5\u8be2\u7ed3\u679c\u3002<\/p>\n
2.\u591a\u6761\u4ef6\u67e5\u8be2\uff1a
\u5728\u8fdb\u884c\u591a\u8868\u67e5\u8be2\u65f6\uff0c\u6211\u4eec\u901a\u5e38\u9700\u8981\u6307\u5b9a\u591a\u4e2a\u67e5\u8be2\u6761\u4ef6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u62fc\u63a5\u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u591a\u6761\u4ef6\u67e5\u8be2\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u591a\u6761\u4ef6\u67e5\u8be2\u3002<\/p>\n
\u4f8b\u5982\u6211\u4eec\u9700\u8981\u67e5\u8be2user\u8868\u4e2d\u6027\u522b\u4e3a\u7537\u6027\uff08gender=1\uff09\u7684\u7528\u6237\u548cuser\u8868\u4e2d\u7684\u8ba2\u5355\u4fe1\u606f\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n
$user_order = M('User')-&gt;table(array('user'=&gt;'u','order'=&gt;'o'))-&gt;where(array('u.gender'=&gt;1,'u.id=o.user_id'))-&gt;select();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86where\u65b9\u6cd5\u5e76\u4f20\u5165\u4e86\u67e5\u8be2\u6761\u4ef6\u6570\u7ec4\uff0c\u8be5\u6570\u7ec4\u4e2d\u5305\u542b\u4e86\u4e24\u4e2a\u67e5\u8be2\u6761\u4ef6\uff0c\u5176\u4e2d\u4e00\u4e2a\u662f\u67e5\u8be2\u6027\u522b\u4e3a\u7537\u6027\u7684\u7528\u6237\uff0c\u53e6\u4e00\u4e2a\u662f\u67e5\u8be2\u8ba2\u5355\u4fe1\u606f\u3002<\/p>\n
3.\u591a\u8868\u6392\u5e8f\uff1a
\u5728\u8fdb\u884c\u591a\u8868\u67e5\u8be2\u65f6\uff0c\u6211\u4eec\u6709\u65f6\u9700\u8981\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u6392\u5e8f\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528order\u65b9\u6cd5\u6765\u8fdb\u884c\u591a\u8868\u6392\u5e8f\u3002<\/p>\n
\u4f8b\u5982\u6211\u4eec\u9700\u8981\u67e5\u8be2user\u8868\u4e2d\u7684\u7528\u6237\u548corder\u8868\u4e2d\u7684\u8ba2\u5355\uff0c\u5e76\u6839\u636e\u8ba2\u5355\u91d1\u989d\u8fdb\u884c\u6392\u5e8f\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n
$user_order = M('User')-&gt;table(array('user'=&gt;'u','order'=&gt;'o'))-&gt;where('u.id=o.user_id')-&gt;order('o.amount desc')-&gt;select();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86order\u65b9\u6cd5\u5e76\u4f20\u5165\u4e86\u6392\u5e8f\u6761\u4ef6\uff0c\u8be5\u6761\u4ef6\u662f\u6839\u636e\u8ba2\u5355\u91d1\u989d\u8fdb\u884c\u6392\u5e8f\u7684\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u7528 m\u65b9\u6cd5\u5b9e\u73b0\u591a\u8868\u67e5\u8be2\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u3001\u4ec0\u4e48\u662f\u591a\u8868\u67e5\u8be2\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u6709\u65f6\u6211\u4eec\u9700\u8981\u67e5\u8be2\u591a\u4e2a\u6570\u636e\u8868\u4e4b\u95f4\u7684\u6570\u636e\u5173\u7cfb\uff0c\u8fd9\u5c31\u9700\u8981\u4f7f\u7528\u591a\u8868\u67e5\u8be2\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2aSELECT\u8bed\u53e5\u6765\u5b9e\u73b0\u591a\u8868\u67e5\u8be2\uff0c\u4f46\u8fd9\u79cd\u65b9\u5f0f\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\u4f1a\u5f88\u6162\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u4f7f\u7528\u66f4\u9ad8\u6548\u7684\u65b9\u5f0f\u8fdb\u884c\u591a\u8868\u67e5\u8be2\u3002 \u4e8c\u3001 M\u65b9\u6cd5\u591a\u8868\u67e5\u8be2\u7684\u5b9e\u73b0\u5728thinkphp\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528M\u65b9\u6cd5\u6765\u5b9e\u73b0\u591a\u8868\u67e5\u8be2\u3002M\u65b9\u6cd5\u662f\u4e00\u79cd\u9ad8\u6548\u7684ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5c01\u88c5SQL\u8bed\u53e5\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5904\u7406\u3002 1.\u57fa\u7840\u4f7f\u7528\u65b9\u6cd5\uff1a\u4f7f\u7528M\u65b9\u6cd5\u8fdb\u884c\u591a\u8868\u67e5\u8be2\u5341\u5206\u7b80\u5355\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5728\u4f7f\u7528M\u65b9\u6cd5\u65f6\u4f20\u5165\u591a\u4e2a\u8868\u540d\uff0c\u5c31\u53ef\u4ee5\u5b9e\u73b0\u591a\u8868\u67e5\u8be2\u3002 \u4f8b\u5982\u6211\u4eec\u6709\u4e24\u4e2a\u6570\u636e\u8868\uff1auser\u548corder\uff0c\u73b0\u5728\u6211\u4eec\u9700\u8981\u67e5\u8be2user\u8868\u548corder\u8868\u4e2d\u7684\u6570\u636e\u5173\u7cfb\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b $user_order = M(‘User’)-&gt;table(array(‘user’=&gt;’u’,’order’=&gt;’o’))-&gt;where(‘u.id = o.user_id’)-&gt;select(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86table\u65b9\u6cd5\u5e76\u4f20\u5165\u4e86\u591a\u4e2a\u8868\u540d\uff0c\u901a\u8fc7where\u65b9\u6cd5\u6765\u6307\u5b9a\u4e24\u4e2a\u6570\u636e\u8868\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u6700\u540e\u4f7f\u7528select\u65b9\u6cd5\u6765\u83b7\u53d6\u67e5\u8be2\u7ed3\u679c\u3002 2.\u591a\u6761\u4ef6\u67e5\u8be2\uff1a\u5728\u8fdb\u884c\u591a\u8868\u67e5\u8be2\u65f6\uff0c\u6211\u4eec\u901a\u5e38\u9700\u8981\u6307\u5b9a\u591a\u4e2a\u67e5\u8be2\u6761\u4ef6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u62fc\u63a5\u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u591a\u6761\u4ef6\u67e5\u8be2\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u591a\u6761\u4ef6\u67e5\u8be2\u3002 \u4f8b\u5982\u6211\u4eec\u9700\u8981\u67e5\u8be2user\u8868\u4e2d\u6027\u522b\u4e3a\u7537\u6027\uff08gender=1\uff09\u7684\u7528\u6237\u548cuser\u8868\u4e2d\u7684\u8ba2\u5355\u4fe1\u606f\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a $user_order = M(‘User’)-&gt;table(array(‘user’=&gt;’u’,’order’=&gt;’o’))-&gt;where(array(‘u.gender’=&gt;1,’u.id=o.user_id’))-&gt;select(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86where\u65b9\u6cd5\u5e76\u4f20\u5165\u4e86\u67e5\u8be2\u6761\u4ef6\u6570\u7ec4\uff0c\u8be5\u6570\u7ec4\u4e2d\u5305\u542b\u4e86\u4e24\u4e2a\u67e5\u8be2\u6761\u4ef6\uff0c\u5176\u4e2d\u4e00\u4e2a\u662f\u67e5\u8be2\u6027\u522b\u4e3a\u7537\u6027\u7684\u7528\u6237\uff0c\u53e6\u4e00\u4e2a\u662f\u67e5\u8be2\u8ba2\u5355\u4fe1\u606f\u3002 3.\u591a\u8868\u6392\u5e8f\uff1a\u5728\u8fdb\u884c\u591a\u8868\u67e5\u8be2\u65f6\uff0c\u6211\u4eec\u6709\u65f6\u9700\u8981\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u6392\u5e8f\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528order\u65b9\u6cd5\u6765\u8fdb\u884c\u591a\u8868\u6392\u5e8f\u3002 \u4f8b\u5982\u6211\u4eec\u9700\u8981\u67e5\u8be2user\u8868\u4e2d\u7684\u7528\u6237\u548corder\u8868\u4e2d\u7684\u8ba2\u5355\uff0c\u5e76\u6839\u636e\u8ba2\u5355\u91d1\u989d\u8fdb\u884c\u6392\u5e8f\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a $user_order = M(‘User’)-&gt;table(array(‘user’=&gt;’u’,’order’=&gt;’o’))-&gt;where(‘u.id=o.user_id’)-&gt;order(‘o.amount desc’)-&gt;select(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86order\u65b9\u6cd5\u5e76\u4f20\u5165\u4e86\u6392\u5e8f\u6761\u4ef6\uff0c\u8be5\u6761\u4ef6\u662f\u6839\u636e\u8ba2\u5355\u91d1\u989d\u8fdb\u884c\u6392\u5e8f\u7684\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u7528 m\u65b9\u6cd5\u5b9e\u73b0\u591a\u8868\u67e5\u8be2\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-23028","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23028","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=23028"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23028\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23028"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23028"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23028"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}