{"id":22713,"date":"2024-11-21T13:45:07","date_gmt":"2024-11-21T05:45:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/22713\/"},"modified":"2024-11-21T13:45:07","modified_gmt":"2024-11-21T05:45:07","slug":"thinkphp5%e6%a8%a1%e5%9e%8b%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/22713\/","title":{"rendered":"thinkphp5\u6a21\u578b\u5982\u4f55\u4f7f\u7528"},"content":{"rendered":"<p>\u968f\u7740\u4e92\u8054\u7f51\u7684\u53d1\u5c55\uff0c\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\u4e0d\u65ad\u6d8c\u73b0\u5e76\u4e0d\u65ad\u5347\u7ea7\u3002\u5728\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4e2d\uff0c\u5fc5\u4e0d\u53ef\u5c11\u7684\u662f\u4e00\u4e2a\u4f18\u79c0\u7684\u6846\u67b6\uff0c\u5b83\u53ef\u4ee5\u4e3a\u7a0b\u5e8f\u5458\u63d0\u4f9b\u5feb\u901f\u5f00\u53d1\u3001\u9ad8\u6548\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u652f\u6301\u3002thinkphp5\u662f\u4e00\u4e2a\u975e\u5e38\u6d41\u884c\u7684php\u5f00\u53d1\u6846\u67b6\uff0c\u5b83\u7684\u5f00\u53d1\u901f\u5ea6\u5f88\u5feb\u3001\u6027\u80fd\u4f18\u5f02\u3001\u529f\u80fd\u5f3a\u5927\uff0c\u88ab\u5e7f\u5927\u7a0b\u5e8f\u5458\u6240\u559c\u6b22\u3002<\/p>\n<p>\u5728ThinkPHP5\u6846\u67b6\u4e2d\uff0c\u6a21\u578b\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u56e0\u4e3a\u5b83\u5bf9\u4e8e\u7a0b\u5e8f\u5458\u6765\u8bf4\u63d0\u4f9b\u4e86\u975e\u5e38\u91cd\u8981\u7684\u652f\u6301\u3002\u4e0b\u9762\u6211\u4eec\u6765\u8be6\u7ec6\u4ecb\u7ecd\u4e00\u4e0bThinkPHP5\u6a21\u578b\u7684\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<ol>\n<li>\u521b\u5efa\u6a21\u578b<\/li>\n<\/ol>\n<p>\u5728ThinkPHP5\u6846\u67b6\u4e2d\uff0c\u6a21\u578b\u7684\u521b\u5efa\u975e\u5e38\u7b80\u5355\u3002\u6211\u4eec\u53ea\u9700\u8981\u5728model\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2aphp\u6587\u4ef6\uff0c\u7136\u540e\u5728\u8fd9\u4e2a\u6587\u4ef6\u4e2d\u5b9a\u4e49\u5bf9\u5e94\u7684\u6a21\u578b\u5373\u53ef\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4f1a\u4ee5\u6570\u636e\u8868\u4e3a\u5355\u4f4d\u6765\u521b\u5efa\u6a21\u578b\uff0c\u8fd9\u6837\u65e2\u65b9\u4fbf\u7ba1\u7406\uff0c\u4e5f\u66f4\u52a0\u76f4\u89c2\u3002<\/p>\n<p>\u6a21\u578b\u7684\u521b\u5efa\u975e\u5e38\u7b80\u5355\uff0c\u5176\u4ee3\u7801\u6a21\u677f\u5982\u4e0b:<\/p>\n<pre>&lt;?php namespace appmodel;\nuse thinkModel;\n\nclass UserModel extends Model\n{\n\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u9996\u5148\u6211\u4eec\u9700\u8981\u6307\u660e\u6a21\u578b\u6240\u5728\u7684\u547d\u540d\u7a7a\u95f4\uff0c\u4e5f\u5c31\u662fnamespace\u8bed\u53e5\u3002\u8fd9\u91cc\u6211\u4eec\u5b9a\u4e49\u6a21\u578b\u5728app\/model\u4e0b\u3002\u7136\u540e\u6211\u4eec\u9700\u8981\u7ee7\u627fthinkModel\u57fa\u7c7b\uff0c\u8fd9\u662f\u56e0\u4e3aThinkPHP5\u6a21\u578b\u57fa\u4e8e\u8fd9\u4e2a\u7c7b\u8fdb\u884c\u5f00\u53d1\u7684\u3002\u6700\u540e\u6211\u4eec\u5b9a\u4e49\u5177\u4f53\u7684\u6a21\u578b\u7c7b\u540d\uff0c\u5e76\u5728\u8fd9\u4e2a\u7c7b\u4e2d\u8fdb\u884c\u76f8\u5173\u7684\u6570\u636e\u64cd\u4f5c\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ol>\n<li>\u6570\u636e\u5e93\u64cd\u4f5c<\/li>\n<\/ol>\n<p>\u5728ThinkPHP5\u6846\u67b6\u4e2d\uff0c\u6839\u636e\u6570\u636e\u5e93\u8bbe\u8ba1\u7684\u4e0d\u540c\uff0c\u6211\u4eec\u9700\u8981\u91c7\u7528\u4e0d\u540c\u7684\u64cd\u4f5c\u65b9\u5f0f\u3002\u4e0b\u9762\u6211\u4eec\u6765\u4ecb\u7ecd\u51e0\u79cd\u5e38\u89c1\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u65b9\u5f0f\u3002<\/p>\n<p>\u2460. \u4f7f\u7528\u7b80\u6d01\u67e5\u8be2<\/p>\n<p>ThinkPHP5\u63d0\u4f9b\u4e86\u4e00\u79cd\u975e\u5e38\u7b80\u6d01\u7684\u67e5\u8be2\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u8ba9\u6211\u4eec\u5feb\u901f\u7684\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002\u5177\u4f53\u4ee3\u7801\u5982\u4e0b:<\/p>\n<pre>\/\/ \u67e5\u8be2\u6240\u6709\u7528\u6237\u4fe1\u606f\n$userList = UserModel::select();\n\n\/\/ \u6761\u4ef6\u67e5\u8be2\n$userInfo = UserModel::where('user_id',1)-&amp;gt;find();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7UserModel\u6a21\u578b\u7c7b\u7684select()\u65b9\u6cd5\u67e5\u8be2\u6240\u6709\u7528\u6237\u4fe1\u606f\u3002\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7where()\u65b9\u6cd5\u6307\u5b9a\u67e5\u8be2\u6761\u4ef6\uff0c\u83b7\u5f97\u60f3\u8981\u7684\u7ed3\u679c\u96c6\u5408\u3002<\/p>\n<p>\u2461. \u4f7f\u7528\u94fe\u5f0f\u67e5\u8be2<\/p>\n<p>\u94fe\u5f0f\u67e5\u8be2\u662f\u4e00\u79cd\u975e\u5e38\u6d41\u884c\u7684\u67e5\u8be2\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u7cfb\u5217\u8fde\u7eed\u7684\u64cd\u4f5c\u6765\u5b9e\u73b0\u67e5\u8be2\u3002\u5177\u4f53\u7684\u4ee3\u7801\u5982\u4e0b:<\/p>\n<pre>\/\/ \u5bf9\u6570\u636e\u96c6\u6392\u5e8f\u64cd\u4f5c\n$userList = UserModel::order('user_id desc')-&amp;gt;limit(5)-&amp;gt;select();\n\n\/\/ \u81ea\u5b9a\u4e49\u67e5\u8be2\u8bed\u53e5\n$userInfo = UserModel::where('user_id',1)-&amp;gt;field('user_id,user_name')-&amp;gt;find();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528order()\u65b9\u6cd5\u5bf9\u67e5\u8be2\u7684\u7ed3\u679c\u96c6\u5408\u8fdb\u884c\u6392\u5e8f\u3002\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7limit()\u65b9\u6cd5\u6765\u8bbe\u5b9a\u67e5\u8be2\u7ed3\u679c\u96c6\u5408\u7684\u6570\u91cf\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528field()\u65b9\u6cd5\u6765\u8bbe\u7f6e\u8981\u67e5\u8be2\u7684\u5b57\u6bb5\u5217\u8868\uff0c\u8fd9\u6837\u53ef\u4ee5\u66f4\u52a0\u7075\u6d3b\u7684\u5b9a\u5236\u6570\u636e\u67e5\u8be2\u3002<\/p>\n<p>\u2462. \u4f7f\u7528\u539f\u751fSQL\u8bed\u53e5<\/p>\n<p>\u5728\u4e00\u4e9b\u7279\u6b8a\u7684\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u539f\u751fSQL\u8bed\u53e5\u6765\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u8fd9\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528query()\u65b9\u6cd5\u3002\u5177\u4f53\u7684\u4ee3\u7801\u5982\u4e0b:<\/p>\n<pre>\/\/ \u6267\u884cSQL\u67e5\u8be2\n$userList = UserModel::query('select * from user limit 5');\n\n\/\/ \u6267\u884cSQL\u8bed\u53e5\n$result = UserModel::execute('update user set user_name='\u6d4b\u8bd5' where user_id=1');<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528query()\u65b9\u6cd5\u6765\u6267\u884cSQL\u67e5\u8be2\u64cd\u4f5c\uff0c\u83b7\u5f97\u7ed3\u679c\u96c6\u5408\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528execute()\u65b9\u6cd5\u6765\u6267\u884cSQL\u8bed\u53e5\u64cd\u4f5c\u3002<\/p>\n<ol>\n<li>\u8fde\u8868\u67e5\u8be2<\/li>\n<\/ol>\n<p>\u5728ThinkPHP5\u6846\u67b6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5b9e\u73b0\u591a\u4e2a\u6570\u636e\u6a21\u578b\u7684\u5173\u8054\uff0c\u6765\u5b9e\u73b0\u8fde\u8868\u67e5\u8be2\u3002\u5728\u5b9e\u9645\u9879\u76ee\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u5b9e\u7528\u3002<\/p>\n<p>\u5177\u4f53\u7684\u4ee3\u7801\u5982\u4e0b:<\/p>\n<pre>\/**\n * \u7528\u6237\u6a21\u578b\n *\/\nclass UserModel extends Model\n{\n    \/\/ \u5b9a\u4e49\u4e00\u5bf9\u591a\u5173\u8054\uff1a\u4e00\u4e2a\u7528\u6237\u53ef\u4ee5\u5173\u6ce8\u591a\u4e2a\u6807\u7b7e\n    public function labels()\n    {\n        return $this-&amp;gt;hasMany('appmodelUserLabelModel','user_id','user_id');\n    }\n}\n\n\/**\n * \u7528\u6237\u6807\u7b7e\u6a21\u578b\n *\/\nclass UserLabelModel extends Model\n{\n    \/\/ \u5b9a\u4e49\u4e00\u5bf9\u591a\u5173\u8054\uff1a\u4e00\u4e2a\u6807\u7b7e\u53ea\u88ab\u4e00\u4e2a\u7528\u6237\u5173\u6ce8\n    public function user()\n    {\n        return $this-&amp;gt;belongsTo('appmodelUserModel','user_id','user_id');\n    }\n}\n\n\/**\n * \u8fde\u8868\u67e5\u8be2\n *\/\n$userList = UserModel::with(['labels'])-&amp;gt;select();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7labels()\u65b9\u6cd5\u5728UserModel\u548cUserLabelModel\u4e4b\u95f4\u5efa\u7acb\u4e86\u4e00\u5bf9\u591a\u5173\u8054\u540e\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528with([&#8216;labels&#8217;])\u65b9\u6cd5\u6765\u5b9e\u73b0\u8fde\u8868\u67e5\u8be2\u4e86\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5982\u679c\u9700\u8981\u83b7\u53d6\u66f4\u591a\u7684\u5173\u8054\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u5728with()\u65b9\u6cd5\u53c2\u6570\u4e2d\u6dfb\u52a0\u66f4\u591a\u7684\u5173\u8054\u6a21\u578b\uff0c\u5b9e\u73b0\u8054\u8868\u67e5\u8be2\u529f\u80fd\u3002<\/p>\n<p>\u603b\u7ed3<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5173\u4e8eThinkPHP5\u6a21\u578b\u7684\u4f7f\u7528\u65b9\u6cd5\u7684\u8be6\u7ec6\u4ecb\u7ecd\u3002\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\uff0cThinkPHP5\u6a21\u578b\u975e\u5e38\u7b80\u5355\u3001\u5b9e\u7528\u3001\u9ad8\u6548\uff0c\u662f\u6211\u4eec\u5728\u5b9e\u9645\u9879\u76ee\u5f00\u53d1\u4e2d\u5fc5\u4e0d\u53ef\u5c11\u7684\u4e00\u4e2a\u5229\u5668\u3002\u5728\u65e5\u5e38\u5f00\u53d1\u4e2d\uff0c\u5408\u7406\u7684\u4f7f\u7528ThinkPHP5\u6a21\u578b\uff0c\u80fd\u591f\u63d0\u9ad8\u6211\u4eec\u7684\u5f00\u53d1\u6548\u7387\u548c\u4ee3\u7801\u7684\u8d28\u91cf\uff0c\u8ba9\u6211\u4eec\u7684\u5e94\u7528\u7a0b\u5e8f\u66f4\u52a0\u667a\u80fd\u3001\u66f4\u52a0\u5f3a\u5927\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fthinkphp5\u6a21\u578b\u5982\u4f55\u4f7f\u7528\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":"<p>\u968f\u7740\u4e92\u8054\u7f51\u7684\u53d1\u5c55\uff0c\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\u4e0d\u65ad\u6d8c\u73b0\u5e76\u4e0d\u65ad\u5347\u7ea7\u3002\u5728\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4e2d\uff0c\u5fc5\u4e0d\u53ef\u5c11\u7684\u662f\u4e00\u4e2a\u4f18\u79c0\u7684\u6846\u67b6\uff0c\u5b83\u53ef\u4ee5\u4e3a\u7a0b\u5e8f\u5458\u63d0\u4f9b\u5feb\u901f\u5f00\u53d1\u3001\u9ad8\u6548\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u652f\u6301\u3002thinkphp5\u662f\u4e00\u4e2a\u975e\u5e38\u6d41\u884c\u7684php\u5f00\u53d1\u6846\u67b6\uff0c\u5b83\u7684\u5f00\u53d1\u901f\u5ea6\u5f88\u5feb\u3001\u6027\u80fd\u4f18\u5f02\u3001\u529f\u80fd\u5f3a\u5927\uff0c\u88ab\u5e7f\u5927\u7a0b\u5e8f\u5458\u6240\u559c\u6b22\u3002 \u5728ThinkPHP5\u6846\u67b6\u4e2d\uff0c\u6a21\u578b\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u56e0\u4e3a\u5b83\u5bf9\u4e8e\u7a0b\u5e8f\u5458\u6765\u8bf4\u63d0\u4f9b\u4e86\u975e\u5e38\u91cd\u8981\u7684\u652f\u6301\u3002\u4e0b\u9762\u6211\u4eec\u6765\u8be6\u7ec6\u4ecb\u7ecd\u4e00\u4e0bThinkPHP5\u6a21\u578b\u7684\u4f7f\u7528\u65b9\u6cd5\u3002 \u521b\u5efa\u6a21\u578b \u5728ThinkPHP5\u6846\u67b6\u4e2d\uff0c\u6a21\u578b\u7684\u521b\u5efa\u975e\u5e38\u7b80\u5355\u3002\u6211\u4eec\u53ea\u9700\u8981\u5728model\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2aphp\u6587\u4ef6\uff0c\u7136\u540e\u5728\u8fd9\u4e2a\u6587\u4ef6\u4e2d\u5b9a\u4e49\u5bf9\u5e94\u7684\u6a21\u578b\u5373\u53ef\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4f1a\u4ee5\u6570\u636e\u8868\u4e3a\u5355\u4f4d\u6765\u521b\u5efa\u6a21\u578b\uff0c\u8fd9\u6837\u65e2\u65b9\u4fbf\u7ba1\u7406\uff0c\u4e5f\u66f4\u52a0\u76f4\u89c2\u3002 \u6a21\u578b\u7684\u521b\u5efa\u975e\u5e38\u7b80\u5355\uff0c\u5176\u4ee3\u7801\u6a21\u677f\u5982\u4e0b: &lt;?php namespace appmodel; use thinkModel; class UserModel extends Model { } \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u9996\u5148\u6211\u4eec\u9700\u8981\u6307\u660e\u6a21\u578b\u6240\u5728\u7684\u547d\u540d\u7a7a\u95f4\uff0c\u4e5f\u5c31\u662fnamespace\u8bed\u53e5\u3002\u8fd9\u91cc\u6211\u4eec\u5b9a\u4e49\u6a21\u578b\u5728app\/model\u4e0b\u3002\u7136\u540e\u6211\u4eec\u9700\u8981\u7ee7\u627fthinkModel\u57fa\u7c7b\uff0c\u8fd9\u662f\u56e0\u4e3aThinkPHP5\u6a21\u578b\u57fa\u4e8e\u8fd9\u4e2a\u7c7b\u8fdb\u884c\u5f00\u53d1\u7684\u3002\u6700\u540e\u6211\u4eec\u5b9a\u4e49\u5177\u4f53\u7684\u6a21\u578b\u7c7b\u540d\uff0c\u5e76\u5728\u8fd9\u4e2a\u7c7b\u4e2d\u8fdb\u884c\u76f8\u5173\u7684\u6570\u636e\u64cd\u4f5c\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6570\u636e\u5e93\u64cd\u4f5c \u5728ThinkPHP5\u6846\u67b6\u4e2d\uff0c\u6839\u636e\u6570\u636e\u5e93\u8bbe\u8ba1\u7684\u4e0d\u540c\uff0c\u6211\u4eec\u9700\u8981\u91c7\u7528\u4e0d\u540c\u7684\u64cd\u4f5c\u65b9\u5f0f\u3002\u4e0b\u9762\u6211\u4eec\u6765\u4ecb\u7ecd\u51e0\u79cd\u5e38\u89c1\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u65b9\u5f0f\u3002 \u2460. \u4f7f\u7528\u7b80\u6d01\u67e5\u8be2 ThinkPHP5\u63d0\u4f9b\u4e86\u4e00\u79cd\u975e\u5e38\u7b80\u6d01\u7684\u67e5\u8be2\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u8ba9\u6211\u4eec\u5feb\u901f\u7684\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002\u5177\u4f53\u4ee3\u7801\u5982\u4e0b: \/\/ \u67e5\u8be2\u6240\u6709\u7528\u6237\u4fe1\u606f $userList = UserModel::select(); \/\/ \u6761\u4ef6\u67e5\u8be2 $userInfo = UserModel::where(&#8216;user_id&#8217;,1)-&amp;gt;find(); \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7UserModel\u6a21\u578b\u7c7b\u7684select()\u65b9\u6cd5\u67e5\u8be2\u6240\u6709\u7528\u6237\u4fe1\u606f\u3002\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7where()\u65b9\u6cd5\u6307\u5b9a\u67e5\u8be2\u6761\u4ef6\uff0c\u83b7\u5f97\u60f3\u8981\u7684\u7ed3\u679c\u96c6\u5408\u3002 \u2461. \u4f7f\u7528\u94fe\u5f0f\u67e5\u8be2 \u94fe\u5f0f\u67e5\u8be2\u662f\u4e00\u79cd\u975e\u5e38\u6d41\u884c\u7684\u67e5\u8be2\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u7cfb\u5217\u8fde\u7eed\u7684\u64cd\u4f5c\u6765\u5b9e\u73b0\u67e5\u8be2\u3002\u5177\u4f53\u7684\u4ee3\u7801\u5982\u4e0b: \/\/ \u5bf9\u6570\u636e\u96c6\u6392\u5e8f\u64cd\u4f5c $userList = UserModel::order(&#8216;user_id desc&#8217;)-&amp;gt;limit(5)-&amp;gt;select(); \/\/ \u81ea\u5b9a\u4e49\u67e5\u8be2\u8bed\u53e5 $userInfo = UserModel::where(&#8216;user_id&#8217;,1)-&amp;gt;field(&#8216;user_id,user_name&#8217;)-&amp;gt;find(); \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528order()\u65b9\u6cd5\u5bf9\u67e5\u8be2\u7684\u7ed3\u679c\u96c6\u5408\u8fdb\u884c\u6392\u5e8f\u3002\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7limit()\u65b9\u6cd5\u6765\u8bbe\u5b9a\u67e5\u8be2\u7ed3\u679c\u96c6\u5408\u7684\u6570\u91cf\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528field()\u65b9\u6cd5\u6765\u8bbe\u7f6e\u8981\u67e5\u8be2\u7684\u5b57\u6bb5\u5217\u8868\uff0c\u8fd9\u6837\u53ef\u4ee5\u66f4\u52a0\u7075\u6d3b\u7684\u5b9a\u5236\u6570\u636e\u67e5\u8be2\u3002 \u2462. \u4f7f\u7528\u539f\u751fSQL\u8bed\u53e5 \u5728\u4e00\u4e9b\u7279\u6b8a\u7684\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u539f\u751fSQL\u8bed\u53e5\u6765\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u8fd9\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528query()\u65b9\u6cd5\u3002\u5177\u4f53\u7684\u4ee3\u7801\u5982\u4e0b: [&hellip;]<\/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-22713","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22713","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=22713"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22713\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=22713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=22713"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=22713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}