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                            ## 預載入查詢

將外鍵表的數據查出來一起返回

>[danger] 示例

```
// 類似左外查詢 用戶表完全顯示
dump(self::with('profile')->select()->toArray());
```

![](https://img.kancloud.cn/13/0f/130f043b5b89fcee60e8be604f2b1cc1_705x451.png)

>[danger] 如果要對關聯模型進行約束，可以使用閉包的方式

```
$result = self::with(['profile' => function($query){
    $query->field('aid,nickname')->where('aid', '>', 0);
}])->select()->toArray();
```
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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