如何能够将一段文字中的标点符号转换为全角?

Question

文本框输入的文字，将其中所有的标点符号自动转换为全角。

Answer 1

.Replace(",","，");
把标点符号放到一个数组里循环执行类似上面的替换

Answer 2

#region   半全角互换   
                  ///   <summary>   
                  ///   转全角的函数(SBC   case)   
                  ///   </summary>   
                  ///   <param   name="input">任意字符串</param>   
                  ///   <returns>全角字符串</returns>   
                  ///<res>   
                  ///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   
                  ///</res>                   
                  public   static   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]   >   32)   
                                  {   
                                          c[i]   =   (char)(c[i]   +   65248);   
                                  }   
                          }   
                          return   new   string(c);   
                  }   
    
                  ///   <summary>   
                  ///   转半角的函数(DBC   case)   
                  ///   </summary>   
                  ///   <param   name="input">任意字符串</param>   
                  ///   <returns>半角字符串</returns>   
                  ///<res>   
                  ///全角空格为12288，半角空格为32(此处不必转空格)   
                  ///其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248   
                  ///</res>   
                  public   static   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);   
                  }   
                  #endregion