public static int ChangeVoltage(HomeVoltage homeVoltage, UsbLine usbLine)
{
if (homeVoltage == null || usbLine == null)
{
throw new ArgumentNullException("输入参数为空");
}
if (homeVoltage.Voltage >= 100 && homeVoltage.Voltage <= 220)
{
return(usbLine.Voltage);
}
return(-1);
}
static void Main(string[] args)
{
var homeVoltage = new HomeVoltage(220);
var usbLine = new UsbLine();
var result = PhoneAdapter.ChangeVoltage(homeVoltage, usbLine);
Console.WriteLine($"手机电源适配器可正常冲电: {result== usbLine.Voltage}");
homeVoltage = new HomeVoltage(80);
result = PhoneAdapter.ChangeVoltage(homeVoltage, usbLine);
Console.WriteLine($"手机电源适配器可正常冲电: {result == usbLine.Voltage}");
Console.ReadKey();
}