Dongyi - 博客园

public static uint IPToInt(string ipAddress)

{

string disjunctiveStr = ".,: ";

char[] delimiter = disjunctiveStr.ToCharArray();

string[] startIP = null;

for (int i = 1; i <= 5; i++)

{

startIP = ipAddress.Split(delimiter, i);

}

string a1 = startIP[0].ToString();

string a2 = startIP[1].ToString();

string a3 = startIP[2].ToString();

string a4 = startIP[3].ToString();

uint U1 = uint.Parse(a1);

uint U2 = uint.Parse(a2);

uint U3 = uint.Parse(a3);

uint U4 = uint.Parse(a4);

uint U = U1 << 24;

U += U2 << 16;

U += U3 << 8;

U += U4;

return U;

}

public static string IntToIP(uint ipAddress)

{

long ui1 = ipAddress & 0xFF000000;

ui1 = ui1 >> 24;

long ui2 = ipAddress & 0x00FF0000;

ui2 = ui2 >> 16;

long ui3 = ipAddress & 0x0000FF00;

ui3 = ui3 >> 8;

long ui4 = ipAddress & 0x000000FF;

string IPstr = "";

IPstr = System.Convert.ToString(ui1) + "." + System.Convert.ToString(ui2) + "." + System.Convert.ToString(ui3) + "." + System.Convert.ToString(ui4);

return IPstr;

}

posted @ 2007-03-23 17:23 Dongyi 阅读(352) 评论(1) 编辑

2008年4月8日

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