{"id":23328,"date":"2024-11-21T13:51:08","date_gmt":"2024-11-21T05:51:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23328\/"},"modified":"2024-11-21T13:51:08","modified_gmt":"2024-11-21T05:51:08","slug":"laravel%e5%bc%80%e5%8f%91%ef%bc%9a%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8laravel-eloquent%e5%ae%9e%e7%8e%b0%e6%a8%a1%e5%9e%8b%e5%85%b3%e8%81%94%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23328\/","title":{"rendered":"Laravel\u5f00\u53d1\uff1a\u5982\u4f55\u4f7f\u7528Laravel Eloquent\u5b9e\u73b0\u6a21\u578b\u5173\u8054\uff1f"},"content":{"rendered":"

\u662f\u4e00\u6b3e\u6d41\u884c\u7684php\u6846\u67b6\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u5f3a\u5927\u7684orm\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u5e93\u2014\u2014laravel eloquent\u3002\u8fd9\u4e2a\u5e93\u975e\u5e38\u5f3a\u5927\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8f7b\u677e\u5730\u5b9e\u73b0\u6a21\u578b\u5173\u8054\uff0c\u4ece\u800c\u66f4\u52a0\u65b9\u4fbf\u5730\u7ba1\u7406\u548c\u67e5\u8be2\u6570\u636e\u3002\u4f46\u5f88\u591a\u5f00\u53d1\u8005\u5374\u4e0d\u77e5\u9053\u5982\u4f55\u4f7f\u7528laravel eloquent\u5b9e\u73b0\u6a21\u578b\u5173\u8054\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528laravel eloquent\u5b9e\u73b0\u6a21\u578b\u5173\u8054\u3002<\/p>\n

\u4e00\u3001Laravel Eloquent\u7684\u57fa\u672c\u6982\u5ff5<\/p>\n

\u5728\u5f00\u59cb\u4ecb\u7ecd\u5982\u4f55\u5b9e\u73b0\u6a21\u578b\u5173\u8054\u4e4b\u524d\uff0c\u6211\u4eec\u8981\u5148\u4e86\u89e3\u4e00\u4e9bLaravel Eloquent\u7684\u57fa\u672c\u6982\u5ff5\u3002<\/p>\n

1\u3001\u5efa\u7acb\u6a21\u578b<\/p>\n

\u5728Laravel Eloquent\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u4e3a\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\u5efa\u7acb\u4e00\u4e2a\u5bf9\u5e94\u7684\u6a21\u578b\uff0c\u7528\u4e8e\u64cd\u4f5c\u548c\u7ba1\u7406\u8fd9\u4e2a\u8868\u7684\u6570\u636e\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5728Laravel\u4e2d\u521b\u5efa\u4e00\u4e2a\u6a21\u578b\uff1a<\/p>\n

php artisan make:model ModelName<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff0cModelName\u662f\u6a21\u578b\u7684\u540d\u79f0\u3002\u6b64\u547d\u4ee4\u4f1a\u5728app\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u4e0e\u6a21\u578b\u540d\u79f0\u76f8\u540c\u7684\u7c7b\u6587\u4ef6\uff0c\u8fd9\u4e2a\u6587\u4ef6\u5c31\u662f\u6211\u4eec\u7684\u6a21\u578b\u3002<\/p>\n
2\u3001\u8868\u4e4b\u95f4\u7684\u5173\u7cfb<\/p>\n
\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u7684\u5e94\u7528\u5f88\u53ef\u80fd\u6d89\u53ca\u5230\u591a\u4e2a\u8868\uff0c\u8fd9\u4e9b\u8868\u4e4b\u95f4\u53ef\u80fd\u5b58\u5728\u7740\u5173\u8054\u5173\u7cfb\u3002\u5e38\u89c1\u7684\u5173\u7cfb\u7c7b\u578b\u6709\u4e00\u5bf9\u4e00\u5173\u7cfb\u3001\u4e00\u5bf9\u591a\u5173\u7cfb\u3001\u591a\u5bf9\u591a\u5173\u7cfb\u7b49\u7b49\u3002<\/p>\n
\u4e00\u5bf9\u4e00\u5173\u7cfb\uff1a\u4e00\u4e2a\u6a21\u578b\u5bf9\u5e94\u4e00\u4e2a\u6a21\u578b\uff0c\u4f8b\u5982\u4e00\u4e2a\u7528\u6237\u53ea\u6709\u4e00\u4e2a\u8eab\u4efd\u8bc1\u53f7\u7801\u3002<\/p>\n
\u4e00\u5bf9\u591a\u5173\u7cfb\uff1a\u4e00\u4e2a\u6a21\u578b\u5bf9\u5e94\u591a\u4e2a\u6a21\u578b\uff0c\u4f8b\u5982\u4e00\u4e2a\u73ed\u7ea7\u6709\u591a\u4e2a\u5b66\u751f\u3002<\/p>\n
\u591a\u5bf9\u591a\u5173\u7cfb\uff1a\u591a\u4e2a\u6a21\u578b\u4e4b\u95f4\u76f8\u4e92\u5173\u8054\uff0c\u4f8b\u5982\u5b66\u751f\u548c\u8bfe\u7a0b\u4e4b\u95f4\u5b58\u5728\u591a\u5bf9\u591a\u5173\u7cfb\u3002<\/p>\n
3\u3001\u5173\u7cfb\u7c7b\u578b<\/p>\n
\u5728Laravel Eloquent\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u65b9\u6cd5\u6765\u5b9e\u73b0\u4e0d\u540c\u7684\u5173\u7cfb\u7c7b\u578b\u3002\u5e38\u89c1\u7684\u5173\u7cfb\u7c7b\u578b\u5305\u62ecbelongsTo\u3001hasMany\u548cbelongsToMany\u7b49\u3002<\/p>\n
belongsTo\uff1a\u7528\u4e8e\u4e00\u5bf9\u4e00\u548c\u4e00\u5bf9\u591a\u5173\u7cfb\u4e2d\u7684\u5b50\u6a21\u578b\uff0c\u8868\u793a\u5f53\u524d\u6a21\u578b\u5c5e\u4e8e\u53e6\u4e00\u4e2a\u6a21\u578b\u3002<\/p>\n
hasMany\uff1a\u7528\u4e8e\u4e00\u5bf9\u591a\u5173\u7cfb\u4e2d\u7684\u7236\u6a21\u578b\uff0c\u8868\u793a\u5f53\u524d\u6a21\u578b\u62e5\u6709\u591a\u4e2a\u5b50\u6a21\u578b\u3002<\/p>\n
belongsToMany\uff1a\u7528\u4e8e\u591a\u5bf9\u591a\u5173\u7cfb\uff0c\u8868\u793a\u5f53\u524d\u6a21\u578b\u4e0e\u53e6\u4e00\u4e2a\u6a21\u578b\u5b58\u5728\u591a\u5bf9\u591a\u5173\u7cfb\u3002<\/p>\n
\u4e8c\u3001\u5982\u4f55\u4f7f\u7528Laravel Eloquent\u5b9e\u73b0\u6a21\u578b\u5173\u7cfb<\/p>\n
\u4e86\u89e3\u5b8cLaravel Eloquent\u7684\u57fa\u672c\u6982\u5ff5\u4e4b\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5f00\u59cb\u5b66\u4e60\u5982\u4f55\u4f7f\u7528Laravel Eloquent\u5b9e\u73b0\u6a21\u578b\u5173\u7cfb\u4e86\u3002\u4e0b\u9762\u6211\u5c06\u4ee5\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u4e3a\u4f8b\u6765\u8bf4\u660e\u5982\u4f55\u5b9e\u73b0\u6a21\u578b\u5173\u7cfb\u3002<\/p>\n
\u5047\u8bbe\u6211\u4eec\u6709\u4e24\u4e2a\u8868\uff0c\u4e00\u4e2a\u662fstudent\uff08\u5b66\u751f\uff09\u8868\uff0c\u5305\u542b\u7684\u5b57\u6bb5\u6709id\uff08\u81ea\u589e\u4e3b\u952e\uff09\u3001name\uff08\u5b66\u751f\u59d3\u540d\uff09\u548cclass_id\uff08\u6240\u5c5e\u73ed\u7ea7ID\uff09\uff1b\u53e6\u4e00\u4e2a\u662fclass\uff08\u73ed\u7ea7\uff09\u8868\uff0c\u5305\u542b\u7684\u5b57\u6bb5\u6709id\uff08\u81ea\u589e\u4e3b\u952e\uff09\u548cname\uff08\u73ed\u7ea7\u540d\u79f0\uff09\u3002\u6211\u4eec\u7684\u4efb\u52a1\u662f\u8981\u5efa\u7acb\u4e00\u4e2a\u4e00\u5bf9\u591a\u7684\u5173\u7cfb\uff0c\u5373\u4e00\u4e2a\u73ed\u7ea7\u53ef\u80fd\u5305\u542b\u591a\u4e2a\u5b66\u751f\u3002<\/p>\n
1\u3001\u5efa\u7acb\u6a21\u578b<\/p>\n
\u6211\u4eec\u9700\u8981\u5206\u522b\u4e3astudent\u548cclass\u8868\u5efa\u7acb\u6a21\u578b\u3002\u5728\u7ec8\u7aef\u4e2d\u6267\u884c\u4ee5\u4e0b\u4e24\u6761\u547d\u4ee4\uff1a<\/p>\n
php artisan make:model Student\nphp artisan make:model Class<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u6837\u6211\u4eec\u5c31\u5728app\u76ee\u5f55\u4e0b\u751f\u6210\u4e86Student\u548cClass\u4e24\u4e2a\u6a21\u578b\u3002<\/p>\n
2\u3001\u5728\u6a21\u578b\u4e2d\u5b9a\u4e49\u5173\u7cfb\u7c7b\u578b\u548c\u5173\u8054\u8868\u540d<\/p>\n
\u5728\u5efa\u7acb\u5b8c\u6a21\u578b\u4e4b\u540e\uff0c\u6211\u4eec\u9700\u8981\u5728\u6a21\u578b\u4e2d\u5b9a\u4e49\u8868\u4e4b\u95f4\u7684\u5173\u7cfb\u7c7b\u578b\u548c\u5173\u8054\u8868\u540d\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49Class\u6a21\u578b\u7684students\u65b9\u6cd5\u548cStudent\u6a21\u578b\u7684class\u65b9\u6cd5\u3002\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
Class\u6a21\u578b\uff1a<\/p>\n
class Class extends Model\n{\n    protected $table = \"class\";\n    public function students()\n    {\n        return $this-&gt;hasMany('AppStudent', 'class_id', 'id');\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
Student\u6a21\u578b\uff1a<\/p>\n
class Student extends Model\n{\n    protected $table = \"student\";\n    public function class()\n    {\n        return $this-&gt;belongsTo('AppClass');\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86hasMany\u548cbelongsTo\u65b9\u6cd5\u6765\u5b9a\u4e49\u4e00\u5bf9\u591a\u5173\u7cfb\u3002\u5728hasMany\u65b9\u6cd5\u4e2d\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u5b50\u6a21\u578b\u7684\u7c7b\u540d\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u5b50\u6a21\u578b\u4e2d\u7684\u5916\u952e\uff0c\u7b2c\u4e09\u4e2a\u53c2\u6570\u662f\u7236\u6a21\u578b\u4e2d\u7684\u4e3b\u952e\u3002\u6ce8\u610f\u8fd9\u91cc\u7684\u53c2\u6570\u987a\u5e8f\u4e0d\u80fd\u98a0\u5012\u3002<\/p>\n
\u5728belongsTo\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u540c\u6837\u9700\u8981\u6307\u5b9a\u5173\u8054\u7684\u6a21\u578b\uff0c\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06\u5173\u8054\u7684\u6a21\u578b\u6307\u5b9a\u4e3aClass\u6a21\u578b\u3002\u6b64\u5916\uff0c\u6211\u4eec\u4e0d\u9700\u8981\u6307\u5b9a\u5b50\u6a21\u578b\u5728\u7236\u6a21\u578b\u4e2d\u7684\u5916\u952e\uff0c\u56e0\u4e3aLaravel\u4f1a\u6839\u636e\u5173\u8054\u6a21\u578b\u7684\u540d\u79f0\u81ea\u52a8\u731c\u6d4b\u5916\u952e\u540d\u79f0\u3002<\/p>\n
3\u3001\u67e5\u8be2\u5173\u8054\u6570\u636e<\/p>\n
\u5b8c\u6210\u4e86\u4e0a\u8ff0\u7684\u64cd\u4f5c\u4e4b\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u67e5\u8be2\u5173\u8054\u6570\u636e\u4e86\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u67e5\u8be2\u67d0\u4e2a\u73ed\u7ea7\u7684\u6240\u6709\u5b66\u751f\uff1a<\/p>\n
$class = Class::find(1);\necho $class-&gt;name;\n$students = $class-&gt;students;\nforeach ($students as $student) {\n    echo $student-&gt;name;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u8f7b\u677e\u5730\u67e5\u8be2\u51fa\u67d0\u4e2a\u73ed\u7ea7\u7684\u6240\u6709\u5b66\u751f\u4e86\u3002<\/p>\n
\u5728\u8fd9\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b66\u4e60\u4e86\u5982\u4f55\u4f7f\u7528Laravel Eloquent\u5b9e\u73b0\u4e00\u5bf9\u591a\u5173\u7cfb\u3002\u76f8\u4fe1\u901a\u8fc7\u8fd9\u4e2a\u4f8b\u5b50\uff0c\u4f60\u5df2\u7ecf\u4e86\u89e3\u4e86\u5982\u4f55\u5b9a\u4e49\u8868\u4e4b\u95f4\u7684\u5173\u7cfb\u7c7b\u578b\uff0c\u4ee5\u53ca\u5982\u4f55\u5728\u4ee3\u7801\u4e2d\u67e5\u8be2\u5173\u8054\u6570\u636e\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0cLaravel Eloquent\u8fd8\u6709\u5f88\u591a\u5f3a\u5927\u7684\u7279\u6027\uff0c\u503c\u5f97\u6211\u4eec\u6df1\u5165\u5b66\u4e60\u548c\u5e94\u7528\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fLaravel\u5f00\u53d1\uff1a\u5982\u4f55\u4f7f\u7528Laravel Eloquent\u5b9e\u73b0\u6a21\u578b\u5173\u8054\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\u6846\u67b6\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u5f3a\u5927\u7684orm\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u5e93\u2014\u2014laravel eloquent\u3002\u8fd9\u4e2a\u5e93\u975e\u5e38\u5f3a\u5927\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8f7b\u677e\u5730\u5b9e\u73b0\u6a21\u578b\u5173\u8054\uff0c\u4ece\u800c\u66f4\u52a0\u65b9\u4fbf\u5730\u7ba1\u7406\u548c\u67e5\u8be2\u6570\u636e\u3002\u4f46\u5f88\u591a\u5f00\u53d1\u8005\u5374\u4e0d\u77e5\u9053\u5982\u4f55\u4f7f\u7528laravel eloquent\u5b9e\u73b0\u6a21\u578b\u5173\u8054\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528laravel eloquent\u5b9e\u73b0\u6a21\u578b\u5173\u8054\u3002 \u4e00\u3001Laravel Eloquent\u7684\u57fa\u672c\u6982\u5ff5 \u5728\u5f00\u59cb\u4ecb\u7ecd\u5982\u4f55\u5b9e\u73b0\u6a21\u578b\u5173\u8054\u4e4b\u524d\uff0c\u6211\u4eec\u8981\u5148\u4e86\u89e3\u4e00\u4e9bLaravel Eloquent\u7684\u57fa\u672c\u6982\u5ff5\u3002 1\u3001\u5efa\u7acb\u6a21\u578b \u5728Laravel Eloquent\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u4e3a\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8868\u5efa\u7acb\u4e00\u4e2a\u5bf9\u5e94\u7684\u6a21\u578b\uff0c\u7528\u4e8e\u64cd\u4f5c\u548c\u7ba1\u7406\u8fd9\u4e2a\u8868\u7684\u6570\u636e\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5728Laravel\u4e2d\u521b\u5efa\u4e00\u4e2a\u6a21\u578b\uff1a php artisan make:model ModelName \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cModelName\u662f\u6a21\u578b\u7684\u540d\u79f0\u3002\u6b64\u547d\u4ee4\u4f1a\u5728app\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u4e0e\u6a21\u578b\u540d\u79f0\u76f8\u540c\u7684\u7c7b\u6587\u4ef6\uff0c\u8fd9\u4e2a\u6587\u4ef6\u5c31\u662f\u6211\u4eec\u7684\u6a21\u578b\u3002 2\u3001\u8868\u4e4b\u95f4\u7684\u5173\u7cfb \u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u7684\u5e94\u7528\u5f88\u53ef\u80fd\u6d89\u53ca\u5230\u591a\u4e2a\u8868\uff0c\u8fd9\u4e9b\u8868\u4e4b\u95f4\u53ef\u80fd\u5b58\u5728\u7740\u5173\u8054\u5173\u7cfb\u3002\u5e38\u89c1\u7684\u5173\u7cfb\u7c7b\u578b\u6709\u4e00\u5bf9\u4e00\u5173\u7cfb\u3001\u4e00\u5bf9\u591a\u5173\u7cfb\u3001\u591a\u5bf9\u591a\u5173\u7cfb\u7b49\u7b49\u3002 \u4e00\u5bf9\u4e00\u5173\u7cfb\uff1a\u4e00\u4e2a\u6a21\u578b\u5bf9\u5e94\u4e00\u4e2a\u6a21\u578b\uff0c\u4f8b\u5982\u4e00\u4e2a\u7528\u6237\u53ea\u6709\u4e00\u4e2a\u8eab\u4efd\u8bc1\u53f7\u7801\u3002 \u4e00\u5bf9\u591a\u5173\u7cfb\uff1a\u4e00\u4e2a\u6a21\u578b\u5bf9\u5e94\u591a\u4e2a\u6a21\u578b\uff0c\u4f8b\u5982\u4e00\u4e2a\u73ed\u7ea7\u6709\u591a\u4e2a\u5b66\u751f\u3002 \u591a\u5bf9\u591a\u5173\u7cfb\uff1a\u591a\u4e2a\u6a21\u578b\u4e4b\u95f4\u76f8\u4e92\u5173\u8054\uff0c\u4f8b\u5982\u5b66\u751f\u548c\u8bfe\u7a0b\u4e4b\u95f4\u5b58\u5728\u591a\u5bf9\u591a\u5173\u7cfb\u3002 3\u3001\u5173\u7cfb\u7c7b\u578b \u5728Laravel Eloquent\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u65b9\u6cd5\u6765\u5b9e\u73b0\u4e0d\u540c\u7684\u5173\u7cfb\u7c7b\u578b\u3002\u5e38\u89c1\u7684\u5173\u7cfb\u7c7b\u578b\u5305\u62ecbelongsTo\u3001hasMany\u548cbelongsToMany\u7b49\u3002 belongsTo\uff1a\u7528\u4e8e\u4e00\u5bf9\u4e00\u548c\u4e00\u5bf9\u591a\u5173\u7cfb\u4e2d\u7684\u5b50\u6a21\u578b\uff0c\u8868\u793a\u5f53\u524d\u6a21\u578b\u5c5e\u4e8e\u53e6\u4e00\u4e2a\u6a21\u578b\u3002 hasMany\uff1a\u7528\u4e8e\u4e00\u5bf9\u591a\u5173\u7cfb\u4e2d\u7684\u7236\u6a21\u578b\uff0c\u8868\u793a\u5f53\u524d\u6a21\u578b\u62e5\u6709\u591a\u4e2a\u5b50\u6a21\u578b\u3002 belongsToMany\uff1a\u7528\u4e8e\u591a\u5bf9\u591a\u5173\u7cfb\uff0c\u8868\u793a\u5f53\u524d\u6a21\u578b\u4e0e\u53e6\u4e00\u4e2a\u6a21\u578b\u5b58\u5728\u591a\u5bf9\u591a\u5173\u7cfb\u3002 \u4e8c\u3001\u5982\u4f55\u4f7f\u7528Laravel Eloquent\u5b9e\u73b0\u6a21\u578b\u5173\u7cfb \u4e86\u89e3\u5b8cLaravel Eloquent\u7684\u57fa\u672c\u6982\u5ff5\u4e4b\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5f00\u59cb\u5b66\u4e60\u5982\u4f55\u4f7f\u7528Laravel Eloquent\u5b9e\u73b0\u6a21\u578b\u5173\u7cfb\u4e86\u3002\u4e0b\u9762\u6211\u5c06\u4ee5\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u4e3a\u4f8b\u6765\u8bf4\u660e\u5982\u4f55\u5b9e\u73b0\u6a21\u578b\u5173\u7cfb\u3002 \u5047\u8bbe\u6211\u4eec\u6709\u4e24\u4e2a\u8868\uff0c\u4e00\u4e2a\u662fstudent\uff08\u5b66\u751f\uff09\u8868\uff0c\u5305\u542b\u7684\u5b57\u6bb5\u6709id\uff08\u81ea\u589e\u4e3b\u952e\uff09\u3001name\uff08\u5b66\u751f\u59d3\u540d\uff09\u548cclass_id\uff08\u6240\u5c5e\u73ed\u7ea7ID\uff09\uff1b\u53e6\u4e00\u4e2a\u662fclass\uff08\u73ed\u7ea7\uff09\u8868\uff0c\u5305\u542b\u7684\u5b57\u6bb5\u6709id\uff08\u81ea\u589e\u4e3b\u952e\uff09\u548cname\uff08\u73ed\u7ea7\u540d\u79f0\uff09\u3002\u6211\u4eec\u7684\u4efb\u52a1\u662f\u8981\u5efa\u7acb\u4e00\u4e2a\u4e00\u5bf9\u591a\u7684\u5173\u7cfb\uff0c\u5373\u4e00\u4e2a\u73ed\u7ea7\u53ef\u80fd\u5305\u542b\u591a\u4e2a\u5b66\u751f\u3002 1\u3001\u5efa\u7acb\u6a21\u578b \u6211\u4eec\u9700\u8981\u5206\u522b\u4e3astudent\u548cclass\u8868\u5efa\u7acb\u6a21\u578b\u3002\u5728\u7ec8\u7aef\u4e2d\u6267\u884c\u4ee5\u4e0b\u4e24\u6761\u547d\u4ee4\uff1a php artisan make:model Student php artisan make:model Class \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u6837\u6211\u4eec\u5c31\u5728app\u76ee\u5f55\u4e0b\u751f\u6210\u4e86Student\u548cClass\u4e24\u4e2a\u6a21\u578b\u3002 2\u3001\u5728\u6a21\u578b\u4e2d\u5b9a\u4e49\u5173\u7cfb\u7c7b\u578b\u548c\u5173\u8054\u8868\u540d \u5728\u5efa\u7acb\u5b8c\u6a21\u578b\u4e4b\u540e\uff0c\u6211\u4eec\u9700\u8981\u5728\u6a21\u578b\u4e2d\u5b9a\u4e49\u8868\u4e4b\u95f4\u7684\u5173\u7cfb\u7c7b\u578b\u548c\u5173\u8054\u8868\u540d\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49Class\u6a21\u578b\u7684students\u65b9\u6cd5\u548cStudent\u6a21\u578b\u7684class\u65b9\u6cd5\u3002\u4ee3\u7801\u5982\u4e0b\uff1a Class\u6a21\u578b\uff1a class Class extends Model { protected 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