全角 半角转换 .net

///转全角的函数(SBC case)
       
///
       
///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
       
///       
        publicstring 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);
            }
           
returnnewstring(c);               
        }


       
///
       
///转半角的函数(DBC case)
       
///
       
///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
       
///
        publicstring 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);
            }   
           
returnnewstring(c);
        }

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