private int idCodeNum = 6; //设置验证码的位数
public void GetCode(string phoneNum)
{
//获取验证码
timerSend = new Timer(1000);
timerSend.AutoReset = true;
timerSend.Elapsed += Timer_Elapsed;
_interval = SecondNum;
timerSend.Start();
//在验证码有效期内，再次请求验证码，需要先关闭上一次的
if (timerTime != null)
{
timerTime.Close();
timerTime.Dispose();
}
//验证码的有效期
timerTime = new Timer(1000);
timerTime.AutoReset = true;
timerTime.Elapsed += TimerTime_Elapsed;
timerTime.Start();
idCodeTime = SaveTime;
IdCode = RandomCode.RandomCodeCommand(idCodeNum);
PhoneNum = phoneNum;
}