asp.net 半角全角转化工具

///

///任意字符串

/// 全角字符串

///

///全角空格为12288，半角空格为32

///其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248

///

public string ToSBC(string input)

{

//半角转全角：

char[] c = input.ToCharArray();

for (int i = 0; i < c.Length; i++)

{

if (c[i] == 32)

{

c[i] = (char) 12288;

continue;

}

if (c[i] < 127)

c[i] = (char) (c[i] + 65248);

}

return new string(c);

}

///

///任意字符串

/// 半角字符串

///

///全角空格为12288，半角空格为32

///其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248

///

public string ToDBC(string input)

{

char[] c = input.ToCharArray();

for (int i = 0; i < c.Length; i++)

{

if (c[i] == 12288)

{

c[i] = (char) 32;

continue;

}

if (c[i] > 65280 && c[i] < 65375)

c[i] = (char) (c[i] - 65248);

}

return new string(c);

}