//对象适配器实现了客户端想要的接口(USB) public string ReadDataFromUsbPort() { return(_sdCard.ReadData()); }
public string ReadDataFromUsbPort(SDCard sdCard) { return(sdCard.ReadData()); }
//对象适配器实现了客户端想要的接口(USB) public string ReadDataFromUsbPort() { return(_sdCard.ReadData()); }
public string ReadDataFromUsbPort(SDCard sdCard) { return(sdCard.ReadData()); }