{"id":24325,"date":"2024-11-21T12:17:34","date_gmt":"2024-11-21T04:17:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/24325\/"},"modified":"2024-11-21T12:17:34","modified_gmt":"2024-11-21T04:17:34","slug":"laravel%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae%e5%ba%93%e6%9f%a5%e8%af%a2%e5%92%8c%e6%a8%a1%e5%9e%8b%e5%85%b3%e7%b3%bb%ef%bc%9a%e4%bc%98%e9%9b%85%e5%9c%b0%e5%a4%84%e7%90%86%e6%95%b0%e6%8d%ae%e6%93%8d","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/24325\/","title":{"rendered":"Laravel\u4e2d\u7684\u6570\u636e\u5e93\u67e5\u8be2\u548c\u6a21\u578b\u5173\u7cfb\uff1a\u4f18\u96c5\u5730\u5904\u7406\u6570\u636e\u64cd\u4f5c"},"content":{"rendered":"

\"Laravel\u4e2d\u7684\u6570\u636e\u5e93\u67e5\u8be2\u548c\u6a21\u578b\u5173\u7cfb\uff1a\u4f18\u96c5\u5730\u5904\u7406\u6570\u636e\u64cd\u4f5c\u63d2\u56fe\"<\/p>\n

Laravel\u4e2d\u7684\u6570\u636e\u5e93\u67e5\u8be2\u548c\u6a21\u578b\u5173\u7cfb\uff1a\u4f18\u96c5\u5730\u5904\u7406\u6570\u636e\u64cd\u4f5c<\/p>\n

\u5f15\u8a00\uff1a
\u6570\u636e\u5e93\u64cd\u4f5c\u662fWeb\u5f00\u53d1\u4e2d\u4e0d\u53ef\u907f\u514d\u7684\u4e00\u90e8\u5206\uff0c\u800cLaravel\u4f5c\u4e3a\u4e00\u6b3e\u7b80\u6d01\u3001\u4f18\u96c5\u3001\u7075\u6d3b\u7684\u5f00\u53d1\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u5e93\u67e5\u8be2\u548c\u6a21\u578b\u5173\u7cfb\u5904\u7406\u5de5\u5177\u3002\u4f7f\u7528Laravel\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u52a0\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u5e76\u4e14\u901a\u8fc7\u6a21\u578b\u5173\u7cfb\u5efa\u7acb\u8d77\u6570\u636e\u4e4b\u95f4\u7684\u8054\u7cfb\u3002\u672c\u6587\u5c06\u4ece\u6570\u636e\u5e93\u67e5\u8be2\u548c\u6a21\u578b\u5173\u7cfb\u4e24\u65b9\u9762\u4ecb\u7ecdLaravel\u4e2d\u4f18\u96c5\u5730\u5904\u7406\u6570\u636e\u64cd\u4f5c\u7684\u65b9\u6cd5\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u4f7f\u7528Laravel\u8fdb\u884c\u5f00\u53d1\u3002<\/p>\n

\u4e00\u3001\u6570\u636e\u5e93\u67e5\u8be2<\/p>\n

    \n
  1. \u67e5\u8be2\u6784\u9020\u5668
    Laravel\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u67e5\u8be2\u6784\u9020\u5668\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5feb\u901f\u6784\u5efa\u5404\u79cd\u7c7b\u578b\u7684\u67e5\u8be2\u8bed\u53e5\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/li>\n<\/ol>\n

    \/\/ \u67e5\u8be2\u6240\u6709\u7528\u6237
    $users = DB::table(‘users’)->get();<\/p>\n

    \/\/ \u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u5e76\u6309\u7167id\u964d\u5e8f\u6392\u5e8f
    $users = DB::table(‘users’)->select(‘name’, ’email’)->orderBy(‘id’, ‘desc’)->get();<\/p>\n

    \/\/ \u67e5\u8be2\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e18\u5c81\u7684\u7528\u6237
    $users = DB::table(‘users’)->where(‘age’, ‘>=’, 18)->get();<\/p>\n

    \/\/ \u5206\u9875\u67e5\u8be2\u7528\u6237\u6570\u636e
    $users = DB::table(‘users’)->paginate(10);<\/p>\n

      \n
    1. Eloquent ORM
      \u9664\u4e86\u67e5\u8be2\u6784\u9020\u5668\uff0cLaravel\u8fd8\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684Eloquent ORM\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u5f0f\u6765\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u6a21\u578b\u5e76\u5173\u8054\u6570\u636e\u5e93\u8868\uff1a<\/li>\n<\/ol>\n

      namespace AppModels;<\/p>\n

      use IlluminateDatabaseEloquentModel;<\/p>\n

      class User extends Model
      {<\/p>\n

      protected $table = 'users';<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      }<\/p>\n
      \u7136\u540e\u5c31\u53ef\u4ee5\u901a\u8fc7\u6a21\u578b\u6765\u8fdb\u884c\u6570\u636e\u67e5\u8be2\u548c\u64cd\u4f5c\uff1a<\/p>\n
      \/\/ \u67e5\u8be2\u6240\u6709\u7528\u6237
      $users = User::all();<\/p>\n
      \/\/ \u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u5e76\u6309\u7167id\u964d\u5e8f\u6392\u5e8f
      $users = User::select(‘name’, ’email’)->orderBy(‘id’, ‘desc’)->get();<\/p>\n
      \/\/ \u67e5\u8be2\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e18\u5c81\u7684\u7528\u6237
      $users = User::where(‘age’, ‘>=’, 18)->get();<\/p>\n
      \/\/ \u5206\u9875\u67e5\u8be2\u7528\u6237\u6570\u636e
      $users = User::paginate(10);<\/p>\n
      \u4e8c\u3001\u6a21\u578b\u5173\u7cfb
      \u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6570\u636e\u4e4b\u95f4\u5f80\u5f80\u5b58\u5728\u4e00\u5b9a\u7684\u5173\u8054\u5173\u7cfb\uff0c\u800cLaravel\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5904\u7406\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u5982\u4e00\u5bf9\u4e00\u3001\u4e00\u5bf9\u591a\u3001\u591a\u5bf9\u591a\u7b49\u3002\u4e0b\u9762\u4ee5\u4e00\u5bf9\u591a\u4e3a\u4f8b\u8fdb\u884c\u4ecb\u7ecd\u3002<\/p>\n
        \n
      1. \u5b9a\u4e49\u5173\u8054
        \u5728\u6a21\u578b\u7c7b\u4e2d\u4f7f\u7528hasMany\u65b9\u6cd5\u5b9a\u4e49\u4e00\u5bf9\u591a\u5173\u8054\u5173\u7cfb\uff1a<\/li>\n<\/ol>\n
        namespace AppModels;<\/p>\n
        use IlluminateDatabaseEloquentModel;<\/p>\n
        class User extends Model
        {<\/p>\n
        protected $table = 'users';\n\npublic function posts()\n{\n    return $this-&gt;hasMany(Post::class);\n}<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        }<\/p>\n
          \n
        1. \u8bbf\u95ee\u5173\u8054\u6570\u636e
          \u901a\u8fc7\u5728\u6a21\u578b\u4e2d\u5b9a\u4e49\u7684\u5173\u8054\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u65b9\u4fbf\u5730\u8bbf\u95ee\u5173\u8054\u6570\u636e\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7$user->posts\u83b7\u53d6\u7528\u6237\u7684\u6240\u6709\u6587\u7ae0\uff1a<\/li>\n<\/ol>\n
          $user = User::find(1);
          $posts = $user->posts;<\/p>\n
            \n
          1. \u5173\u8054\u6570\u636e\u8fc7\u6ee4\u548c\u6392\u5e8f
            \u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5173\u8054\u65b9\u6cd5\u8fdb\u884c\u6570\u636e\u8fc7\u6ee4\u548c\u6392\u5e8f\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u83b7\u53d6\u7528\u6237\u7684\u524d5\u7bc7\u6587\u7ae0\u5e76\u6309\u7167\u53d1\u5e03\u65f6\u95f4\u964d\u5e8f\u6392\u5e8f\uff1a<\/li>\n<\/ol>\n
            $user = User::find(1);
            $posts = $user->posts()->latest()->limit(5)->get();<\/p>\n
              \n
            1. \u5173\u8054\u6570\u636e\u4fdd\u5b58
              \u901a\u8fc7\u5173\u8054\u65b9\u6cd5\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u65b9\u4fbf\u5730\u4fdd\u5b58\u5173\u8054\u6570\u636e\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u7bc7\u65b0\u7684\u6587\u7ae0\u5e76\u5173\u8054\u5230\u7528\u6237\uff1a<\/li>\n<\/ol>\n
              $user = User::find(1);
              $post = new Post;
              $post->title = ‘Hello World’;
              $post->content = ‘Laravel is awesome!’;
              $user->posts()->save($post);<\/p>\n
              \u7ed3\u675f\u8bed\uff1a
              \u901a\u8fc7Laravel\u63d0\u4f9b\u7684\u6570\u636e\u5e93\u67e5\u8be2\u6784\u9020\u5668\u548c\u6a21\u578b\u5173\u7cfb\u5904\u7406\u5de5\u5177\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u66f4\u52a0\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u548c\u5904\u7406\u6570\u636e\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4e8e\u8bfb\u8005\u5728\u4f7f\u7528Laravel\u65f6\u80fd\u591f\u8d77\u5230\u4e00\u5b9a\u7684\u6307\u5bfc\u4f5c\u7528\uff0c\u540c\u65f6\u4e5f\u6b22\u8fce\u8bfb\u8005\u53d1\u6398\u66f4\u591aLaravel\u5728\u6570\u636e\u64cd\u4f5c\u65b9\u9762\u7684\u4f18\u96c5\u65b9\u6cd5\u3002<\/p>\n
              \u4ee5\u4e0a\u5c31\u662fLaravel\u4e2d\u7684\u6570\u636e\u5e93\u67e5\u8be2\u548c\u6a21\u578b\u5173\u7cfb\uff1a\u4f18\u96c5\u5730\u5904\u7406\u6570\u636e\u64cd\u4f5c\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":"
              Laravel\u4e2d\u7684\u6570\u636e\u5e93\u67e5\u8be2\u548c\u6a21\u578b\u5173\u7cfb\uff1a\u4f18\u96c5\u5730\u5904\u7406\u6570\u636e\u64cd\u4f5c \u5f15\u8a00\uff1a\u6570\u636e\u5e93\u64cd\u4f5c\u662fWeb\u5f00\u53d1\u4e2d\u4e0d\u53ef\u907f\u514d\u7684\u4e00\u90e8\u5206\uff0c\u800cLaravel\u4f5c\u4e3a\u4e00\u6b3e\u7b80\u6d01\u3001\u4f18\u96c5\u3001\u7075\u6d3b\u7684\u5f00\u53d1\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u5e93\u67e5\u8be2\u548c\u6a21\u578b\u5173\u7cfb\u5904\u7406\u5de5\u5177\u3002\u4f7f\u7528Laravel\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u52a0\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u5e76\u4e14\u901a\u8fc7\u6a21\u578b\u5173\u7cfb\u5efa\u7acb\u8d77\u6570\u636e\u4e4b\u95f4\u7684\u8054\u7cfb\u3002\u672c\u6587\u5c06\u4ece\u6570\u636e\u5e93\u67e5\u8be2\u548c\u6a21\u578b\u5173\u7cfb\u4e24\u65b9\u9762\u4ecb\u7ecdLaravel\u4e2d\u4f18\u96c5\u5730\u5904\u7406\u6570\u636e\u64cd\u4f5c\u7684\u65b9\u6cd5\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u4f7f\u7528Laravel\u8fdb\u884c\u5f00\u53d1\u3002 \u4e00\u3001\u6570\u636e\u5e93\u67e5\u8be2 \u67e5\u8be2\u6784\u9020\u5668Laravel\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u67e5\u8be2\u6784\u9020\u5668\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5feb\u901f\u6784\u5efa\u5404\u79cd\u7c7b\u578b\u7684\u67e5\u8be2\u8bed\u53e5\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a \/\/ \u67e5\u8be2\u6240\u6709\u7528\u6237$users = DB::table(‘users’)->get(); \/\/ \u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u5e76\u6309\u7167id\u964d\u5e8f\u6392\u5e8f$users = DB::table(‘users’)->select(‘name’, ’email’)->orderBy(‘id’, ‘desc’)->get(); \/\/ \u67e5\u8be2\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e18\u5c81\u7684\u7528\u6237$users = DB::table(‘users’)->where(‘age’, ‘>=’, 18)->get(); \/\/ \u5206\u9875\u67e5\u8be2\u7528\u6237\u6570\u636e$users = DB::table(‘users’)->paginate(10); Eloquent ORM\u9664\u4e86\u67e5\u8be2\u6784\u9020\u5668\uff0cLaravel\u8fd8\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684Eloquent ORM\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u5f0f\u6765\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u6a21\u578b\u5e76\u5173\u8054\u6570\u636e\u5e93\u8868\uff1a namespace AppModels; use IlluminateDatabaseEloquentModel; class User extends Model{ protected $table = ‘users’; \u767b\u5f55\u540e\u590d\u5236 } \u7136\u540e\u5c31\u53ef\u4ee5\u901a\u8fc7\u6a21\u578b\u6765\u8fdb\u884c\u6570\u636e\u67e5\u8be2\u548c\u64cd\u4f5c\uff1a \/\/ \u67e5\u8be2\u6240\u6709\u7528\u6237$users = User::all(); \/\/ \u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u5e76\u6309\u7167id\u964d\u5e8f\u6392\u5e8f$users = User::select(‘name’, ’email’)->orderBy(‘id’, ‘desc’)->get(); \/\/ \u67e5\u8be2\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e18\u5c81\u7684\u7528\u6237$users = […]<\/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-24325","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/24325","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=24325"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/24325\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=24325"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=24325"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=24325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}