static void Main(string[] args)
{
IPAddress ip1 = IPAddress.Parse("127.0.0.1");
IPAddress ip2 = IPAddress.Parse("10.254.254.254");
if (ip1.Compare(ip2) == 0)
{
Console.WriteLine("ip1 == ip2");
}
else if (ip1.Compare(ip2) == 1)
{
Console.WriteLine("ip1 > ip2");
}
else if (ip1.Compare(ip2) == -1)
{
Console.WriteLine("ip1 < ip2");
}
}
public void incrementTest()
{
IPAddress ipAddress = new IPAddress(new byte[] { 0, 0, 0, 0 });
int i = 0;
while (true)
{
if (ipAddress.Compare(new IPAddress(new byte[] { 0, 0, 255, 255 })) == 1)
{
break;
}
ipAddress.Increment();
i++;
}
Assert.AreEqual(i, 256 * 256);
//Assert.AreNotEqual(i, 0xFF_FF_FF_FF);
}
/// <summary>
/// 实现控件输入检查的函数
/// </summary>
/// <returns></returns>
public override bool CheckInput()
{
bool result = true;//默认是可以通过
#region MyRegion
if (this.txtName.Text.Trim().Length == 0)
{
MessageDxUtil.ShowWarning(Const.MsgCheckInput + lblName.Text.Replace(Const.MsgCheckSign, string.Empty));
this.txtName.Focus();
result = false;
}
else if (this.txtAuthorizeType.Text.Length == 0)
{
MessageDxUtil.ShowWarning(Const.MsgCheckInput + lblAuthorizeType.Text.Replace(Const.MsgCheckSign, string.Empty));
this.txtAuthorizeType.Focus();
result = false;
}
else if (this.txtIPStart.Text.Length == 0)
{
MessageDxUtil.ShowWarning(Const.MsgCheckInput + lblIPStart.Text.Replace(Const.MsgCheckSign, string.Empty));
this.txtIPStart.Focus();
result = false;
}
else if (this.txtIPEnd.Text.Length == 0)
{
MessageDxUtil.ShowWarning(Const.MsgCheckInput + lblIPEnd.Text.Replace(Const.MsgCheckSign, string.Empty));
this.txtIPEnd.Focus();
result = false;
}
IPAddress ip1 = IPAddress.Parse(this.txtIPStart.Text);
IPAddress ip2 = IPAddress.Parse(this.txtIPEnd.Text);
if (ip1.Compare(ip2) == 1)
{
MessageDxUtil.ShowTips("请IP开始地址不能大于结束地址, 请修改");
this.txtIPEnd.Focus();
result = false;
}
#endregion
return(result);
}
public static List <IPAddress> GetContinousAddressesInRange(IPAddress startAddress, IPAddress endAddress)
{
var result = new List <IPAddress>();
IPAddress end;
IPAddress start;
if (startAddress.Compare(endAddress) < 0)
{
start = startAddress;
end = endAddress;
}
else
{
end = startAddress;
start = endAddress;
}
while (start.Compare(end) <= 0)
{
result.Add(start);
start = start.Add(1);
}
return(result);
}
public static bool IsInRange(IPAddress address, IPAddress startAddress, IPAddress endAddress)
{
return(address.Compare(startAddress) >= 0 &&
address.Compare(endAddress) <= 0);
}
public static bool GreaterOrEqualTo(this IPAddress ip1, IPAddress ip2)
{
return(ip1.Compare(ip2) >= 0);
}
public static bool LessOrEqualTo(this IPAddress ip1, IPAddress ip2)
{
return(ip1.Compare(ip2) <= 0);
}