Warning: Undefined array key 0 in /www/wwwroot/w/show/success.php on line 266

Warning: Trying to access array offset on value of type null in /www/wwwroot/w/show/success.php on line 266

Warning: Undefined array key 0 in /www/wwwroot/w/show/success.php on line 266

Warning: Trying to access array offset on value of type null in /www/wwwroot/w/show/success.php on line 266

10.3　统一的标准——接口

**本节视频教学录像：6分钟**

接口是面向对象编程的一个重要技术，在C#中负责实现多重继承。一个接口定义一个协定，实现接口的类或结构必须遵守其协定。比如电视机生产标准就是一个接口，每台电视机不论型号、生产厂家和采用什么技术来制造，都要满足能接收有线信号和无线信号并播放，能实现频道切换等标准。

Warning: Undefined array key 0 in /www/wwwroot/w/show/success.php on line 276

Warning: Trying to access array offset on value of type null in /www/wwwroot/w/show/success.php on line 276

Warning: Undefined array key 0 in /www/wwwroot/w/show/success.php on line 276

Warning: Trying to access array offset on value of type null in /www/wwwroot/w/show/success.php on line 276