{"id":24440,"date":"2024-11-21T12:39:27","date_gmt":"2024-11-21T04:39:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/24440\/"},"modified":"2024-11-21T12:39:27","modified_gmt":"2024-11-21T04:39:27","slug":"laravel%e4%b8%ad%e7%9a%84orm%ef%bc%88%e5%af%b9%e8%b1%a1%e5%85%b3%e7%b3%bb%e6%98%a0%e5%b0%84%ef%bc%89%ef%bc%9a%e4%bc%98%e9%9b%85%e5%9c%b0%e6%93%8d%e4%bd%9c%e6%95%b0%e6%8d%ae%e5%ba%93","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/24440\/","title":{"rendered":"Laravel\u4e2d\u7684ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\uff1a\u4f18\u96c5\u5730\u64cd\u4f5c\u6570\u636e\u5e93"},"content":{"rendered":"

\"Laravel\u4e2d\u7684ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\uff1a\u4f18\u96c5\u5730\u64cd\u4f5c\u6570\u636e\u5e93\u63d2\u56fe\"<\/p>\n

Laravel\u4e2d\u7684ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\uff1a\u4f18\u96c5\u5730\u64cd\u4f5c\u6570\u636e\u5e93<\/p>\n

\u5f15\u8a00\uff1a
\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u4e0e\u6570\u636e\u5e93\u7684\u4ea4\u4e92\u662f\u4e0d\u53ef\u907f\u514d\u7684\u4e00\u90e8\u5206\u3002\u800c\u4f7f\u7528ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u53ef\u4ee5\u4f7f\u6211\u4eec\u4ee5\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u5f0f\u64cd\u4f5c\u6570\u636e\u5e93\uff0c\u4e0d\u9700\u8981\u7f16\u5199\u7e41\u7410\u7684SQL\u8bed\u53e5\u3002Laravel\u6846\u67b6\u63d0\u4f9b\u4e86\u5f3a\u5927\u800c\u4f18\u96c5\u7684ORM\u5de5\u5177\uff0c\u65b9\u4fbf\u5f00\u53d1\u8005\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u672c\u6587\u5c06\u4ecb\u7ecdLaravel\u4e2dORM\u7684\u4f7f\u7528\uff0c\u5e76\u9644\u4e0a\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e00\u3001Laravel\u4e2d\u7684ORM<\/p>\n

ORM\u662f\u4e00\u79cd\u5c06\u5bf9\u8c61\u4e0e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\u7684\u8868\u4ee5\u53ca\u8868\u4e4b\u95f4\u7684\u5173\u7cfb\u8fdb\u884c\u6620\u5c04\u7684\u6280\u672f\u3002\u4f7f\u7528ORM\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u64cd\u4f5c\u5bf9\u8c61\u6765\u76f4\u63a5\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u589e\u5220\u6539\u67e5\u64cd\u4f5c\uff0c\u800c\u4e0d\u9700\u8981\u53bb\u5904\u7406\u5e95\u5c42\u7684SQL\u8bed\u53e5\u3002Laravel\u4e2d\u7684ORM\u91c7\u7528\u4e86Eloquent\u5b9e\u73b0\uff0c\u5b83\u662f\u4e00\u4e2a\u7b80\u6d01\u3001\u4f18\u96c5\u4e14\u529f\u80fd\u5f3a\u5927\u7684ORM\u5de5\u5177\u3002<\/p>\n

\u4f18\u70b9\uff1a<\/p>\n

    \n
  1. \u51cf\u5c11\u4e86\u7f16\u5199SQL\u8bed\u53e5\u7684\u5de5\u4f5c\u91cf\uff0c\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387\uff1b<\/li>\n
  2. \u4ee5\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u5f0f\u64cd\u4f5c\u6570\u636e\u5e93\uff0c\u4ee3\u7801\u66f4\u52a0\u6e05\u6670\u6613\u8bfb\uff1b<\/li>\n
  3. \u63d0\u4f9b\u4e86\u5404\u79cd\u4fbf\u6377\u7684\u65b9\u6cd5\uff0c\u7b80\u5316\u4e86\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6d41\u7a0b\uff1b<\/li>\n
  4. \u652f\u6301\u6570\u636e\u5e93\u7684\u8de8\u5e73\u53f0\u8fc1\u79fb\uff0c\u65b9\u4fbf\u4ee3\u7801\u7684\u79fb\u690d\u548c\u7ef4\u62a4\u3002<\/li>\n<\/ol>\n

    \u4e8c\u3001Eloquent ORM\u7684\u57fa\u672c\u4f7f\u7528<\/p>\n

      \n
    1. \u5b9a\u4e49\u6a21\u578b\u53ca\u6570\u636e\u8868\u6620\u5c04\u5173\u7cfb\uff1a
      \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u6a21\u578b\u6765\u4e0e\u6307\u5b9a\u7684\u6570\u636e\u8868\u8fdb\u884c\u6620\u5c04\u3002\u5728Laravel\u4e2d\uff0c\u4e00\u4e2a\u6a21\u578b\u5c31\u662f\u4e00\u4e2a\u7ee7\u627f\u81eaEloquent\u7684\u7c7b\uff0c\u800c\u6570\u636e\u8868\u4e0e\u6a21\u578b\u4e4b\u95f4\u7684\u6620\u5c04\u5173\u7cfb\u662f\u901a\u8fc7\u6a21\u578b\u7684\u547d\u540d\u7ea6\u5b9a\u6765\u786e\u5b9a\u7684\u3002<\/li>\n<\/ol>\n

      \u4f8b\u5982\uff0c\u6211\u4eec\u6709\u4e00\u4e2ausers\u6570\u636e\u8868\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aUser\u6a21\u578b\u6765\u4e0e\u4e4b\u5bf9\u5e94\uff1a<\/p>\n

      namespace App;\nuse IlluminateDatabaseEloquentModel; \nclass User extends Model \n{ \n    \/\/ \u6307\u5b9a\u6570\u636e\u8868\u540d\n    protected $table = 'users'; \n}<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \n
      1. \u57fa\u672c\u67e5\u8be2\u64cd\u4f5c\uff1a
        Laravel\u63d0\u4f9b\u4e86\u4e00\u5957\u4e30\u5bcc\u7684\u65b9\u6cd5\u6765\u67e5\u8be2\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5e38\u7528\u7684\u67e5\u8be2\u65b9\u6cd5\uff1a<\/li>\n
      2. \n
        \u83b7\u53d6\u6240\u6709\u8bb0\u5f55\uff1a<\/p>\n
        $users = User::all();<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/li>\n
      3. \n
        \u83b7\u53d6\u7b2c\u4e00\u6761\u8bb0\u5f55\uff1a<\/p>\n
        $user = User::first();<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/li>\n
      4. \n
        \u6839\u636e\u4e3b\u952e\u67e5\u627e\u8bb0\u5f55\uff1a<\/p>\n
        $user = User::find(1);<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/li>\n
      5. \n
        \u6839\u636e\u6761\u4ef6\u67e5\u8be2\u8bb0\u5f55\uff1a<\/p>\n
        $users = User::where('age', '&gt;', 18)-&gt;get();<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/li>\n
      6. \u6dfb\u52a0\u3001\u66f4\u65b0\u548c\u5220\u9664\u8bb0\u5f55\uff1a<\/li>\n
      7. \n
        \u6dfb\u52a0\u8bb0\u5f55\uff1a<\/p>\n
        $user = new User;\n$user-&gt;name = 'Tom';\n$user-&gt;age = 20;\n$user-&gt;save();<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/li>\n
      8. \n
        \u66f4\u65b0\u8bb0\u5f55\uff1a<\/p>\n
        $user = User::find(1);\n$user-&gt;age = 25;\n$user-&gt;save();<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/li>\n
      9. \n
        \u5220\u9664\u8bb0\u5f55\uff1a<\/p>\n
        $user = User::find(1);\n$user-&gt;delete();<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/li>\n
      10. \n
        \u5173\u8054\u5173\u7cfb\uff1a
        Laravel\u7684ORM\u652f\u6301\u6570\u636e\u5e93\u8868\u4e4b\u95f4\u7684\u5173\u8054\u5173\u7cfb\u64cd\u4f5c\uff0c\u5982\u4e00\u5bf9\u4e00\u3001\u4e00\u5bf9\u591a\u3001\u591a\u5bf9\u591a\u7b49\u3002
        \u4ee5\u4e00\u5bf9\u591a\u5173\u8054\u4e3a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e24\u4e2a\u6a21\u578b\uff08User\u548cPost\uff09\uff0c\u5e76\u5728User\u6a21\u578b\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u4e0ePost\u6a21\u578b\u7684\u4e00\u5bf9\u591a\u5173\u7cfb\uff1a<\/p>\n
        namespace App;\nuse IlluminateDatabaseEloquentModel;\nclass User extends Model \n{\n \/\/ \u5b9a\u4e49\u4e0ePost\u6a21\u578b\u7684\u4e00\u5bf9\u591a\u5173\u7cfb\n public function posts()\n {\n     return $this-&gt;hasMany('AppPost');\n }\n}<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u83b7\u53d6\u7528\u6237\u7684\u6240\u6709\u6587\u7ae0\uff1a<\/p>\n
        $user = User::find(1);\n$posts = $user-&gt;posts;<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<\/ol>\n
        \u603b\u7ed3\uff1a
        Laravel\u4e2d\u7684ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u63d0\u4f9b\u4e86\u4f18\u96c5\u800c\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u65b9\u4fbf\u5f00\u53d1\u8005\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u901a\u8fc7\u4f7f\u7528ORM\uff0c\u6211\u4eec\u53ef\u4ee5\u7b80\u5316\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6d41\u7a0b\uff0c\u5e76\u4ee5\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u5f0f\u8fdb\u884c\u5f00\u53d1\u3002\u672c\u6587\u4ecb\u7ecd\u4e86Laravel\u4e2dORM\u7684\u57fa\u672c\u4f7f\u7528\uff0c\u5e76\u9644\u4e0a\u4e86\u4ee3\u7801\u793a\u4f8b\uff0c\u5e0c\u671b\u5bf9\u8bfb\u8005\u6709\u6240\u5e2e\u52a9\u3002\u5982\u679c\u4f60\u8fd8\u6ca1\u6709\u4f7f\u7528\u8fc7Laravel\u7684ORM\uff0c\u4e0d\u59a8\u5c1d\u8bd5\u4e00\u4e0b\uff0c\u76f8\u4fe1\u4f60\u4f1a\u7231\u4e0a\u5b83\u7684\u7b80\u6d01\u548c\u4f18\u96c5\u3002<\/p>\n
        \u53c2\u8003\u6587\u732e\uff1a<\/p>\n
          \n
        • Laravel Documentation. Eloquent ORM. https:\/\/laravel.com\/docs\/8.x\/eloquent<\/li>\n<\/ul>\n
          \u4ee5\u4e0a\u5c31\u662fLaravel\u4e2d\u7684ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\uff1a\u4f18\u96c5\u5730\u64cd\u4f5c\u6570\u636e\u5e93\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\u7684ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\uff1a\u4f18\u96c5\u5730\u64cd\u4f5c\u6570\u636e\u5e93 \u5f15\u8a00\uff1a\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u4e0e\u6570\u636e\u5e93\u7684\u4ea4\u4e92\u662f\u4e0d\u53ef\u907f\u514d\u7684\u4e00\u90e8\u5206\u3002\u800c\u4f7f\u7528ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u53ef\u4ee5\u4f7f\u6211\u4eec\u4ee5\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u5f0f\u64cd\u4f5c\u6570\u636e\u5e93\uff0c\u4e0d\u9700\u8981\u7f16\u5199\u7e41\u7410\u7684SQL\u8bed\u53e5\u3002Laravel\u6846\u67b6\u63d0\u4f9b\u4e86\u5f3a\u5927\u800c\u4f18\u96c5\u7684ORM\u5de5\u5177\uff0c\u65b9\u4fbf\u5f00\u53d1\u8005\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u672c\u6587\u5c06\u4ecb\u7ecdLaravel\u4e2dORM\u7684\u4f7f\u7528\uff0c\u5e76\u9644\u4e0a\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001Laravel\u4e2d\u7684ORM ORM\u662f\u4e00\u79cd\u5c06\u5bf9\u8c61\u4e0e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\u7684\u8868\u4ee5\u53ca\u8868\u4e4b\u95f4\u7684\u5173\u7cfb\u8fdb\u884c\u6620\u5c04\u7684\u6280\u672f\u3002\u4f7f\u7528ORM\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u64cd\u4f5c\u5bf9\u8c61\u6765\u76f4\u63a5\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u589e\u5220\u6539\u67e5\u64cd\u4f5c\uff0c\u800c\u4e0d\u9700\u8981\u53bb\u5904\u7406\u5e95\u5c42\u7684SQL\u8bed\u53e5\u3002Laravel\u4e2d\u7684ORM\u91c7\u7528\u4e86Eloquent\u5b9e\u73b0\uff0c\u5b83\u662f\u4e00\u4e2a\u7b80\u6d01\u3001\u4f18\u96c5\u4e14\u529f\u80fd\u5f3a\u5927\u7684ORM\u5de5\u5177\u3002 \u4f18\u70b9\uff1a \u51cf\u5c11\u4e86\u7f16\u5199SQL\u8bed\u53e5\u7684\u5de5\u4f5c\u91cf\uff0c\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387\uff1b \u4ee5\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u5f0f\u64cd\u4f5c\u6570\u636e\u5e93\uff0c\u4ee3\u7801\u66f4\u52a0\u6e05\u6670\u6613\u8bfb\uff1b \u63d0\u4f9b\u4e86\u5404\u79cd\u4fbf\u6377\u7684\u65b9\u6cd5\uff0c\u7b80\u5316\u4e86\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6d41\u7a0b\uff1b \u652f\u6301\u6570\u636e\u5e93\u7684\u8de8\u5e73\u53f0\u8fc1\u79fb\uff0c\u65b9\u4fbf\u4ee3\u7801\u7684\u79fb\u690d\u548c\u7ef4\u62a4\u3002 \u4e8c\u3001Eloquent ORM\u7684\u57fa\u672c\u4f7f\u7528 \u5b9a\u4e49\u6a21\u578b\u53ca\u6570\u636e\u8868\u6620\u5c04\u5173\u7cfb\uff1a\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u6a21\u578b\u6765\u4e0e\u6307\u5b9a\u7684\u6570\u636e\u8868\u8fdb\u884c\u6620\u5c04\u3002\u5728Laravel\u4e2d\uff0c\u4e00\u4e2a\u6a21\u578b\u5c31\u662f\u4e00\u4e2a\u7ee7\u627f\u81eaEloquent\u7684\u7c7b\uff0c\u800c\u6570\u636e\u8868\u4e0e\u6a21\u578b\u4e4b\u95f4\u7684\u6620\u5c04\u5173\u7cfb\u662f\u901a\u8fc7\u6a21\u578b\u7684\u547d\u540d\u7ea6\u5b9a\u6765\u786e\u5b9a\u7684\u3002 \u4f8b\u5982\uff0c\u6211\u4eec\u6709\u4e00\u4e2ausers\u6570\u636e\u8868\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aUser\u6a21\u578b\u6765\u4e0e\u4e4b\u5bf9\u5e94\uff1a namespace App; use IlluminateDatabaseEloquentModel; class User extends Model { \/\/ \u6307\u5b9a\u6570\u636e\u8868\u540d protected $table = ‘users’; } \u767b\u5f55\u540e\u590d\u5236 \u57fa\u672c\u67e5\u8be2\u64cd\u4f5c\uff1aLaravel\u63d0\u4f9b\u4e86\u4e00\u5957\u4e30\u5bcc\u7684\u65b9\u6cd5\u6765\u67e5\u8be2\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5e38\u7528\u7684\u67e5\u8be2\u65b9\u6cd5\uff1a \u83b7\u53d6\u6240\u6709\u8bb0\u5f55\uff1a $users = User::all(); \u767b\u5f55\u540e\u590d\u5236 \u83b7\u53d6\u7b2c\u4e00\u6761\u8bb0\u5f55\uff1a $user = User::first(); \u767b\u5f55\u540e\u590d\u5236 \u6839\u636e\u4e3b\u952e\u67e5\u627e\u8bb0\u5f55\uff1a $user = User::find(1); \u767b\u5f55\u540e\u590d\u5236 \u6839\u636e\u6761\u4ef6\u67e5\u8be2\u8bb0\u5f55\uff1a $users = User::where(‘age’, ‘&gt;’, 18)-&gt;get(); \u767b\u5f55\u540e\u590d\u5236 \u6dfb\u52a0\u3001\u66f4\u65b0\u548c\u5220\u9664\u8bb0\u5f55\uff1a \u6dfb\u52a0\u8bb0\u5f55\uff1a […]<\/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-24440","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/24440","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=24440"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/24440\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=24440"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=24440"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=24440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}