- private void button1_Click(object sender, EventArgs e)
- {
- string StartIp = "";
- string EndIp = "";
- StartIp = Startinput.Text;
- EndIp = Endinput.Text;
- uint iStartip = ipTint(StartIp);
- uint iEndIp = ipTint(EndIp);
- //string ip_result="";
- StringBuilder ip_result=new StringBuilder();
- if (iEndIp >= iStartip)
- {
- for (uint ip = iStartip; ip <= iEndIp; ip++)
- {
- ip_result.Append(intTip(ip)).Append("\r\n");
- //ip_result = ip_result + intTip(ip)+"\r\n";
- }
- resultTextBox.Text = ip_result.ToString(); //RichTextBox
- }
- else
- {
- MessageBox.Show("天啊,起始ip居然比终止ip还大");
- }
- }
- public static uint ipTint(string ipStr)
- {
- string[] ip = ipStr.Split('.');
- uint ipcode = 0xFFFFFF00 | byte.Parse(ip[3]);
- ipcode = ipcode & 0xFFFF00FF | (uint.Parse(ip[2]) << 0x8);
- ipcode = ipcode & 0xFF00FFFF | (uint.Parse(ip[1]) << 0xF);
- ipcode = ipcode & 0x00FFFFFF | (uint.Parse(ip[0]) << 0x18);
- return ipcode;
- }
- public static string intTip(uint ipcode)
- {
- byte a = (byte)((ipcode & 0xFF000000) >> 0x18);
- byte b = (byte)((ipcode & 0x00FF0000) >> 0xF);
- byte c = (byte)((ipcode & 0x0000FF00) >> 0x8);
- byte d = (byte)(ipcode & 0x000000FF);
- string ipStr = string.Format("{0}.{1}.{2}.{3}", a, b, c, d);
- return ipStr;
- }
コードをコピーします
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