{"id":23517,"date":"2024-11-21T12:06:45","date_gmt":"2024-11-21T04:06:45","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23517\/"},"modified":"2024-11-21T12:06:45","modified_gmt":"2024-11-21T04:06:45","slug":"laravel%e5%bc%80%e5%8f%91%ef%bc%9a%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8eloquent-orm%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%ba%93%e6%9f%a5%e8%af%a2%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23517\/","title":{"rendered":"Laravel\u5f00\u53d1\uff1a\u5982\u4f55\u4f7f\u7528Eloquent ORM\u8fdb\u884c\u6570\u636e\u5e93\u67e5\u8be2\uff1f"},"content":{"rendered":"

\u662f\u4e00\u6b3e\u6d41\u884c\u7684php\u5f00\u53d1\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u5de5\u5177\u548c\u8f85\u52a9\u51fd\u6570\u6765\u52a0\u5febweb\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u901f\u5ea6\u3002\u5176\u4e2d\uff0celoquent orm\u662flaravel\u6846\u67b6\u4e2d\u7528\u4e8e\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u5de5\u5177\u4e4b\u4e00\uff0c\u8ba9laravel\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u5feb\u6377\u5730\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u67e5\u8be2\u548c\u64cd\u4f5c\u3002\u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528eloquent orm\u8fdb\u884c\u6570\u636e\u5e93\u67e5\u8be2\u3002<\/p>\n

    \n
  1. \u5b89\u88c5Eloquent ORM<\/li>\n<\/ol>\n

    \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5728Laravel\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b89\u88c5Eloquent ORM\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Composer\u6765\u5b89\u88c5Eloquent ORM\uff0c\u6253\u5f00\u7ec8\u7aef\uff0c\u8fdb\u5165Laravel\u9879\u76ee\u6240\u5728\u7684\u6587\u4ef6\u5939\uff0c\u7136\u540e\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n

    composer require illuminate\/database<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u9700\u8981\u5728config\/database.php\u4e2d\u8bbe\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
    'connections' =&gt; [\n\n    'mysql' =&gt; [\n        'driver' =&gt; 'mysql',\n        'host' =&gt; env('DB_HOST', '127.0.0.1'),\n        'port' =&gt; env('DB_PORT', '3306'),\n        'database' =&gt; env('DB_DATABASE', 'forge'),\n        'username' =&gt; env('DB_USERNAME', 'forge'),\n        'password' =&gt; env('DB_PASSWORD', ''),\n        'unix_socket' =&gt; env('DB_SOCKET', ''),\n        'charset' =&gt; 'utf8mb4',\n        'collation' =&gt; 'utf8mb4_unicode_ci',\n        'prefix' =&gt; '',\n        'strict' =&gt; true,\n        'engine' =&gt; null,\n    ],\n\n],<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6211\u4eec\u8fd8\u9700\u8981\u8bbe\u7f6e.env\u6587\u4ef6\u4e2d\u6570\u636e\u5e93\u8fde\u63a5\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
    DB_CONNECTION=mysql\nDB_HOST=127.0.0.1\nDB_PORT=3306\nDB_DATABASE=laravel\nDB_USERNAME=root\nDB_PASSWORD=<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \n
    1. \u5b9a\u4e49\u6a21\u578b<\/li>\n<\/ol>\n
      \u4f7f\u7528Eloquent ORM\u8fdb\u884c\u6570\u636e\u5e93\u67e5\u8be2\uff0c\u6211\u4eec\u9700\u8981\u5148\u5b9a\u4e49\u6a21\u578b\u3002\u6a21\u578b\u662f\u6307\u4ee3\u8868\u6570\u636e\u5e93\u8868\u7684php\u7c7b\u3002\u5728Laravel\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7artisan\u547d\u4ee4\u6765\u751f\u6210\u6a21\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
      php artisan make:model User<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aUser\u7684\u6a21\u578b\uff0c\u8be5\u6a21\u578b\u9ed8\u8ba4\u5c06\u6620\u5c04\u5230\u6570\u636e\u5e93\u4e2d\u7684users\u8868\u3002\u5982\u679c\u8981\u6620\u5c04\u5230\u5176\u4ed6\u8868\uff0c\u8bf7\u5728\u6a21\u578b\u4e2d\u4f7f\u7528$ table\u5c5e\u6027\u6307\u5b9a\u8868\u540d\u3002<\/p>\n
      class User extends Model\n{\n    protected $table = 'my_users';\n}<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \n
      1. \u67e5\u8be2\u6570\u636e<\/li>\n<\/ol>\n
        \u4e00\u65e6\u5b9a\u4e49\u4e86\u6a21\u578b\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528Eloquent ORM\u8fdb\u884c\u6570\u636e\u5e93\u67e5\u8be2\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u7684\u67e5\u8be2\u64cd\u4f5c\uff1a<\/p>\n
        \uff081\uff09\u67e5\u8be2\u6240\u6709\u8bb0\u5f55<\/p>\n
        $users = User::all();<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \uff082\uff09\u6839\u636eID\u67e5\u8be2\u5355\u4e2a\u8bb0\u5f55<\/p>\n
        $user = User::find(1);<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \uff083\uff09\u6839\u636e\u5176\u4ed6\u6761\u4ef6\u67e5\u8be2\u7ed3\u679c\u96c6<\/p>\n
        $users = User::where('name', 'John')-&gt;get();<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \u6211\u4eec\u53ef\u4ee5\u5728where\u65b9\u6cd5\u4e2d\u6dfb\u52a0\u4e00\u7cfb\u5217\u7ea6\u675f\u6761\u4ef6\uff0c\u4f8b\u5982\u7b49\u4e8e\u3001\u4e0d\u7b49\u4e8e\u3001\u5927\u4e8e\u3001\u5c0f\u4e8e\u3001in\u7b49\u3002<\/p>\n
        $users = User::where('name', '=', 'John')-&gt;get();\n$users = User::where('age', '&gt;', 18)-&gt;get();\n$users = User::whereIn('id', [1, 2, 3])-&gt;get();<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \uff084\uff09\u6392\u5e8f<\/p>\n
        $users = User::orderBy('name', 'desc')-&gt;get();<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \uff085\uff09\u67e5\u8be2\u6307\u5b9a\u5217<\/p>\n
        $users = User::select('name', 'email')-&gt;get();<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \u6211\u4eec\u53ef\u4ee5\u5728select\u65b9\u6cd5\u4e2d\u4f20\u9012\u591a\u4e2a\u53c2\u6570\uff0c\u6bcf\u4e2a\u53c2\u6570\u4ee3\u8868\u8981\u67e5\u8be2\u7684\u5217\u7684\u540d\u79f0\u3002<\/p>\n
        \uff086\uff09\u9650\u5236\u7ed3\u679c\u96c6<\/p>\n
        $users = User::skip(10)-&gt;take(5)-&gt;get();<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528skip\u548ctake\u65b9\u6cd5\u6765\u5b9e\u73b0\u5206\u9875\uff0cskip\u65b9\u6cd5\u7528\u4e8e\u8df3\u8fc7\u6307\u5b9a\u6570\u91cf\u7684\u8bb0\u5f55\uff0ctake\u65b9\u6cd5\u7528\u4e8e\u8fd4\u56de\u6307\u5b9a\u6570\u91cf\u7684\u8bb0\u5f55\u3002<\/p>\n
        \uff087\uff09\u4f7f\u7528\u805a\u5408\u51fd\u6570<\/p>\n
        $avg_age = User::avg('age');\n$max_age = User::max('age');\n$min_age = User::min('age');\n$count = User::count();<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u805a\u5408\u51fd\u6570\uff0c\u4f8b\u5982avg\u3001max\u3001min\u3001count\u7b49\u3002<\/p>\n
          \n
        1. \u66f4\u65b0\u6570\u636e<\/li>\n<\/ol>\n
          \u4f7f\u7528Eloquent ORM\u66f4\u65b0\u4e00\u6761\u8bb0\u5f55\uff0c\u6211\u4eec\u53ef\u4ee5\u5148\u67e5\u8be2\u8be5\u8bb0\u5f55\uff0c\u7136\u540e\u5728\u6a21\u578b\u5b9e\u4f8b\u4e0a\u8c03\u7528save\u65b9\u6cd5\u3002<\/p>\n
          $user = User::find(1);\n$user-&gt;name = 'John';\n$user-&gt;save();<\/pre>\n
           \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
          \u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528update\u65b9\u6cd5\u6765\u66f4\u65b0\u591a\u6761\u8bb0\u5f55\uff1a<\/p>\n
          User::where('active', 1)-&gt;update(['status' =&gt; 'inactive']);<\/pre>\n
           \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
            \n
          1. \u5220\u9664\u6570\u636e<\/li>\n<\/ol>\n
            \u4f7f\u7528Eloquent ORM\u5220\u9664\u4e00\u6761\u8bb0\u5f55\uff0c\u6211\u4eec\u53ef\u4ee5\u5148\u67e5\u8be2\u8be5\u8bb0\u5f55\uff0c\u7136\u540e\u5728\u6a21\u578b\u5b9e\u4f8b\u4e0a\u8c03\u7528delete\u65b9\u6cd5\u3002<\/p>\n
            $user = User::find(1);\n$user-&gt;delete();<\/pre>\n
             \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
            \u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528destroy\u65b9\u6cd5\u6765\u5220\u9664\u591a\u6761\u8bb0\u5f55\uff1a<\/p>\n
            User::destroy([1, 2, 3]);<\/pre>\n
             \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
            \u8fd9\u5c06\u5220\u9664ID\u4e3a1, 2\u548c3\u7684\u8bb0\u5f55\u3002<\/p>\n
              \n
            1. \u603b\u7ed3<\/li>\n<\/ol>\n
              \u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528Eloquent ORM\u8fdb\u884c\u6570\u636e\u5e93\u67e5\u8be2\u3002Eloquent ORM\u662fLaravel\u6846\u67b6\u4e2d\u975e\u5e38\u5f3a\u5927\u548c\u7075\u6d3b\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5feb\u901f\u6784\u5efa\u9ad8\u6548\u3001\u53ef\u7ef4\u62a4\u7684\u6570\u636e\u5e93\u67e5\u8be2\u3002\u5982\u679c\u4f60\u5bf9Eloquent ORM\u6709\u4efb\u4f55\u7591\u95ee\u6216\u610f\u89c1\uff0c\u8bf7\u5728\u8bc4\u8bba\u4e2d\u7559\u8a00\u3002<\/p>\n
              \u4ee5\u4e0a\u5c31\u662fLaravel\u5f00\u53d1\uff1a\u5982\u4f55\u4f7f\u7528Eloquent ORM\u8fdb\u884c\u6570\u636e\u5e93\u67e5\u8be2\uff1f\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":"
              \u662f\u4e00\u6b3e\u6d41\u884c\u7684php\u5f00\u53d1\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u5de5\u5177\u548c\u8f85\u52a9\u51fd\u6570\u6765\u52a0\u5febweb\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u901f\u5ea6\u3002\u5176\u4e2d\uff0celoquent orm\u662flaravel\u6846\u67b6\u4e2d\u7528\u4e8e\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u5de5\u5177\u4e4b\u4e00\uff0c\u8ba9laravel\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u5feb\u6377\u5730\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u67e5\u8be2\u548c\u64cd\u4f5c\u3002\u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528eloquent orm\u8fdb\u884c\u6570\u636e\u5e93\u67e5\u8be2\u3002 \u5b89\u88c5Eloquent ORM \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5728Laravel\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b89\u88c5Eloquent ORM\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Composer\u6765\u5b89\u88c5Eloquent ORM\uff0c\u6253\u5f00\u7ec8\u7aef\uff0c\u8fdb\u5165Laravel\u9879\u76ee\u6240\u5728\u7684\u6587\u4ef6\u5939\uff0c\u7136\u540e\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a composer require illuminate\/database \u767b\u5f55\u540e\u590d\u5236 \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u9700\u8981\u5728config\/database.php\u4e2d\u8bbe\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u5982\u4e0b\u6240\u793a\uff1a ‘connections’ =&gt; [ ‘mysql’ =&gt; [ ‘driver’ =&gt; ‘mysql’, ‘host’ =&gt; env(‘DB_HOST’, ‘127.0.0.1’), ‘port’ =&gt; env(‘DB_PORT’, ‘3306’), ‘database’ =&gt; env(‘DB_DATABASE’, ‘forge’), ‘username’ =&gt; env(‘DB_USERNAME’, ‘forge’), ‘password’ =&gt; env(‘DB_PASSWORD’, ”), ‘unix_socket’ =&gt; env(‘DB_SOCKET’, ”), ‘charset’ =&gt; ‘utf8mb4’, ‘collation’ =&gt; ‘utf8mb4_unicode_ci’, ‘prefix’ =&gt; ”, […]<\/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-23517","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23517","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=23517"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23517\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}