Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/6e6054bf04cc0c99c84a1b0087a9368e.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 null set of class例句_null set of class英汉例句_null set of class双解例句_绍翊字体网有道词典
Also, many times member variables of a class that point to other classes simply need to be set to null at the appropriate time. 此外，您常常需要在适当的时候将指向其他类的类成员变量设置为 null。