Thinkphp一对多关联查询

1. <?php
   
2. namespace app\model;
   
3. use think\Model;
   
4. class User extends Model
   
5. {
   
6.     //一对多
   
7.     public function profile()
   
8.     {
   
9.         return $this->hasMany(Profile::class, 'user_id');
   
10.     }
    
11. }
    

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1. <?php
   
2. namespace app\model;
   
3. use think\Model;
   
4. class Profile extends Model
   
5. {
   
6. }

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1. <?php
   
2. namespace app\controller;
   
3. use app\model\Role;
   
4. use app\model\User as UserModel;
   
5. use app\model\Profile as ProfileModel;
   
6. class Grade
   
7. {
   
8.     public function index()
   
9.     {
   
10.         $user = UserModel::find(19);
    
11.         return json($user->profile);
    
12.         // echo $user->profile->hobby;
    
13.     }
    
14. }

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