{"id":22906,"date":"2024-11-21T09:06:08","date_gmt":"2024-11-21T01:06:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/22906\/"},"modified":"2024-11-21T09:06:08","modified_gmt":"2024-11-21T01:06:08","slug":"thinkphp%e6%a1%86%e6%9e%b6%e5%a6%82%e4%bd%95%e6%9f%a5%e8%af%a2%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/22906\/","title":{"rendered":"thinkphp\u6846\u67b6\u5982\u4f55\u67e5\u8be2\u6570\u636e"},"content":{"rendered":"<\/p>\n

\u4e00\u3001\u57fa\u672c\u67e5\u8be2<\/strong><\/p>\n

\u5728ThinkPHP\u6846\u67b6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6a21\u578b\u7c7b\u7684find\u3001select\u3001where\u3001order\u7b49\u65b9\u6cd5\u8fdb\u884c\u57fa\u672c\u7684\u67e5\u8be2\u64cd\u4f5c\u3002<\/p>\n

\uff081\uff09find\u65b9\u6cd5<\/p>\n

find\u65b9\u6cd5\u7528\u4e8e\u67e5\u8be2\u4e00\u6761\u6570\u636e\u8bb0\u5f55\uff0c\u53ef\u4ee5\u76f4\u63a5\u6839\u636e\u4e3b\u952e\u8fdb\u884c\u67e5\u8be2\u3002\u4f8b\u5982\uff1a<\/p>\n

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

$user = UserModel::find(1);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u5c06\u4eceUserModel\u6a21\u578b\u7c7b\u4e2d\u67e5\u8be2ID\u4e3a1\u7684\u7528\u6237\u8bb0\u5f55\u3002<\/p>\n
\uff082\uff09select\u65b9\u6cd5<\/p>\n
select\u65b9\u6cd5\u53ef\u7528\u4e8e\u68c0\u7d22\u591a\u6761\u6570\u636e\u8bb0\u5f55\uff0c\u5e76\u53ef\u4f7f\u7528where\u548corder\u7b49\u65b9\u6cd5\u5bf9\u5176\u8fdb\u884c\u9650\u5236\u548c\u6392\u5e8f\u3002\u4f8b\u5982\uff1a<\/p>\n
$list = UserModel::where('age', '&gt;', 18)-&gt;order('id desc')-&gt;select();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u5c06\u4eceUserModel\u6a21\u578b\u7c7b\u4e2d\u67e5\u8be2\u5e74\u9f84\u5927\u4e8e18\u5c81\u7684\u6240\u6709\u7528\u6237\u8bb0\u5f55\uff0c\u5e76\u6309\u7167ID\u5012\u5e8f\u6392\u5e8f\u3002<\/p>\n
\uff083\uff09where\u65b9\u6cd5<\/p>\n
where\u65b9\u6cd5\u7528\u4e8e\u8bbe\u7f6e\u6761\u4ef6\uff0c\u53ef\u4ee5\u7528\u4e8e\u57fa\u672c\u67e5\u8be2\u548c\u7edf\u8ba1\u67e5\u8be2\u3002\u4f8b\u5982\uff1a<\/p>\n
$count = UserModel::where('gender', 1)-&gt;count();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u5c06\u7edf\u8ba1UserModel\u6a21\u578b\u7c7b\u4e2d\u6027\u522b\u4e3a\u7537\u7684\u7528\u6237\u4e2a\u6570\u3002<\/p>\n
\uff084\uff09order\u65b9\u6cd5<\/p>\n
order\u65b9\u6cd5\u7528\u4e8e\u8bbe\u7f6e\u6392\u5e8f\u3002\u4f8b\u5982\uff1a<\/p>\n
$list = UserModel::order('id desc')-&gt;select();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u5c06\u4eceUserModel\u6a21\u578b\u7c7b\u4e2d\u67e5\u8be2\u6240\u6709\u7528\u6237\u8bb0\u5f55\uff0c\u5e76\u6309\u7167ID\u5012\u5e8f\u6392\u5e8f\u3002<\/p>\n
\u4e8c\u3001\u9ad8\u7ea7\u67e5\u8be2<\/strong><\/p>\n
\u9664\u4e86\u57fa\u672c\u7684\u67e5\u8be2\u64cd\u4f5c\uff0cThinkPHP\u6846\u67b6\u8fd8\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u9ad8\u7ea7\u67e5\u8be2\u529f\u80fd\uff0c\u5305\u62ec\u591a\u8868\u67e5\u8be2\u3001\u8fde\u8868\u67e5\u8be2\u3001\u7edf\u8ba1\u67e5\u8be2\u7b49\u3002<\/p>\n
\uff081\uff09\u591a\u8868\u67e5\u8be2<\/p>\n
\u5728\u591a\u8868\u67e5\u8be2\u65f6\uff0c\u9700\u8981\u4f7f\u7528\u591a\u4e2a\u6a21\u578b\u7c7b\u3002\u4f8b\u5982\uff1a<\/p>\n
$list = UserModel::alias('u')-&gt;join('order o', 'u.id = o.user_id')-&gt;where('u.age', '&gt;', 18)-&gt;select();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u5c06\u4eceUserModel\u548cOrderModel\u6a21\u578b\u7c7b\u4e2d\u67e5\u8be2\u5e74\u9f84\u5927\u4e8e18\u5c81\u7684\u6240\u6709\u7528\u6237\u548c\u4ed6\u4eec\u7684\u8ba2\u5355\u8bb0\u5f55\u3002<\/p>\n
\uff082\uff09\u8fde\u8868\u67e5\u8be2<\/p>\n
\u8fde\u8868\u67e5\u8be2\u662f\u591a\u8868\u67e5\u8be2\u7684\u5176\u4e2d\u4e00\u79cd\u5f62\u5f0f\uff0c\u4f7f\u7528ThinkPHP\u7684join\u65b9\u6cd5\u64cd\u4f5c\uff1a<\/p>\n
$list = UserModel::join('order o', 'user.id = o.user_id')-&gt;select();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u5c06\u4eceUserModel\u548cOrderModel\u6a21\u578b\u7c7b\u4e2d\u67e5\u8be2\u6240\u6709\u7528\u6237\u548c\u4ed6\u4eec\u7684\u8ba2\u5355\u8bb0\u5f55\u3002<\/p>\n
\uff083\uff09\u7edf\u8ba1\u67e5\u8be2<\/p>\n
\u5728\u7edf\u8ba1\u67e5\u8be2\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6a21\u578b\u7c7b\u7684count\u65b9\u6cd5\u8fdb\u884c\u64cd\u4f5c\uff0c\u4f8b\u5982\uff1a<\/p>\n
$count = UserModel::where('age', '&gt;', 18)-&gt;count();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u5c06\u7edf\u8ba1UserModel\u6a21\u578b\u7c7b\u4e2d\u5e74\u9f84\u5927\u4e8e18\u5c81\u7684\u7528\u6237\u6570\u91cf\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u6846\u67b6\u5982\u4f55\u67e5\u8be2\u6570\u636e\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\u57fa\u672c\u67e5\u8be2 \u5728ThinkPHP\u6846\u67b6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6a21\u578b\u7c7b\u7684find\u3001select\u3001where\u3001order\u7b49\u65b9\u6cd5\u8fdb\u884c\u57fa\u672c\u7684\u67e5\u8be2\u64cd\u4f5c\u3002 \uff081\uff09find\u65b9\u6cd5 find\u65b9\u6cd5\u7528\u4e8e\u67e5\u8be2\u4e00\u6761\u6570\u636e\u8bb0\u5f55\uff0c\u53ef\u4ee5\u76f4\u63a5\u6839\u636e\u4e3b\u952e\u8fdb\u884c\u67e5\u8be2\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b $user = UserModel::find(1); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u5c06\u4eceUserModel\u6a21\u578b\u7c7b\u4e2d\u67e5\u8be2ID\u4e3a1\u7684\u7528\u6237\u8bb0\u5f55\u3002 \uff082\uff09select\u65b9\u6cd5 select\u65b9\u6cd5\u53ef\u7528\u4e8e\u68c0\u7d22\u591a\u6761\u6570\u636e\u8bb0\u5f55\uff0c\u5e76\u53ef\u4f7f\u7528where\u548corder\u7b49\u65b9\u6cd5\u5bf9\u5176\u8fdb\u884c\u9650\u5236\u548c\u6392\u5e8f\u3002\u4f8b\u5982\uff1a $list = UserModel::where(‘age’, ‘&gt;’, 18)-&gt;order(‘id desc’)-&gt;select(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u5c06\u4eceUserModel\u6a21\u578b\u7c7b\u4e2d\u67e5\u8be2\u5e74\u9f84\u5927\u4e8e18\u5c81\u7684\u6240\u6709\u7528\u6237\u8bb0\u5f55\uff0c\u5e76\u6309\u7167ID\u5012\u5e8f\u6392\u5e8f\u3002 \uff083\uff09where\u65b9\u6cd5 where\u65b9\u6cd5\u7528\u4e8e\u8bbe\u7f6e\u6761\u4ef6\uff0c\u53ef\u4ee5\u7528\u4e8e\u57fa\u672c\u67e5\u8be2\u548c\u7edf\u8ba1\u67e5\u8be2\u3002\u4f8b\u5982\uff1a $count = UserModel::where(‘gender’, 1)-&gt;count(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u5c06\u7edf\u8ba1UserModel\u6a21\u578b\u7c7b\u4e2d\u6027\u522b\u4e3a\u7537\u7684\u7528\u6237\u4e2a\u6570\u3002 \uff084\uff09order\u65b9\u6cd5 order\u65b9\u6cd5\u7528\u4e8e\u8bbe\u7f6e\u6392\u5e8f\u3002\u4f8b\u5982\uff1a $list = UserModel::order(‘id desc’)-&gt;select(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u5c06\u4eceUserModel\u6a21\u578b\u7c7b\u4e2d\u67e5\u8be2\u6240\u6709\u7528\u6237\u8bb0\u5f55\uff0c\u5e76\u6309\u7167ID\u5012\u5e8f\u6392\u5e8f\u3002 \u4e8c\u3001\u9ad8\u7ea7\u67e5\u8be2 \u9664\u4e86\u57fa\u672c\u7684\u67e5\u8be2\u64cd\u4f5c\uff0cThinkPHP\u6846\u67b6\u8fd8\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u9ad8\u7ea7\u67e5\u8be2\u529f\u80fd\uff0c\u5305\u62ec\u591a\u8868\u67e5\u8be2\u3001\u8fde\u8868\u67e5\u8be2\u3001\u7edf\u8ba1\u67e5\u8be2\u7b49\u3002 \uff081\uff09\u591a\u8868\u67e5\u8be2 \u5728\u591a\u8868\u67e5\u8be2\u65f6\uff0c\u9700\u8981\u4f7f\u7528\u591a\u4e2a\u6a21\u578b\u7c7b\u3002\u4f8b\u5982\uff1a $list = UserModel::alias(‘u’)-&gt;join(‘order o’, ‘u.id = o.user_id’)-&gt;where(‘u.age’, ‘&gt;’, 18)-&gt;select(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u5c06\u4eceUserModel\u548cOrderModel\u6a21\u578b\u7c7b\u4e2d\u67e5\u8be2\u5e74\u9f84\u5927\u4e8e18\u5c81\u7684\u6240\u6709\u7528\u6237\u548c\u4ed6\u4eec\u7684\u8ba2\u5355\u8bb0\u5f55\u3002 \uff082\uff09\u8fde\u8868\u67e5\u8be2 \u8fde\u8868\u67e5\u8be2\u662f\u591a\u8868\u67e5\u8be2\u7684\u5176\u4e2d\u4e00\u79cd\u5f62\u5f0f\uff0c\u4f7f\u7528ThinkPHP\u7684join\u65b9\u6cd5\u64cd\u4f5c\uff1a $list = UserModel::join(‘order o’, ‘user.id = o.user_id’)-&gt;select(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u5c06\u4eceUserModel\u548cOrderModel\u6a21\u578b\u7c7b\u4e2d\u67e5\u8be2\u6240\u6709\u7528\u6237\u548c\u4ed6\u4eec\u7684\u8ba2\u5355\u8bb0\u5f55\u3002 \uff083\uff09\u7edf\u8ba1\u67e5\u8be2 \u5728\u7edf\u8ba1\u67e5\u8be2\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6a21\u578b\u7c7b\u7684count\u65b9\u6cd5\u8fdb\u884c\u64cd\u4f5c\uff0c\u4f8b\u5982\uff1a $count = UserModel::where(‘age’, ‘&gt;’, 18)-&gt;count(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u5c06\u7edf\u8ba1UserModel\u6a21\u578b\u7c7b\u4e2d\u5e74\u9f84\u5927\u4e8e18\u5c81\u7684\u7528\u6237\u6570\u91cf\u3002 \u4ee5\u4e0a\u5c31\u662f\u6846\u67b6\u5982\u4f55\u67e5\u8be2\u6570\u636e\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-22906","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22906","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=22906"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22906\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=22906"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=22906"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=22906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}