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                            若要使用多個連接，可以通過 `DB::connection` 方法取用：
~~~
$users = DB::connection('foo')->select(...);
~~~

你也可以取用原始底層的 PDO 實例：
~~~
$pdo = DB::connection()->getPdo();
~~~

有時候你可能需要重新連接到特定的數據庫：
~~~
DB::reconnect('foo');
~~~

如果你因為超過了底層 PDO 實例的 `max_connections` 的限制，需要關閉特定的數據庫連接，可以通過 `disconnect` 方法:
~~~
DB::disconnect('foo');
~~~
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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