任何数字转换为中文货币类型(5)

          case 4: rstr = Convert4Digit(str); break; 
      } 
      rstr = rstr.Replace("拾零", "拾"); 
      strlen = rstr.Length; 
 
      return rstr; 
  } 
 
 
  /// <summary>  
  /// 转换四位数字  
  /// </summary>  
  public string Convert4Digit(string str) 
  { 
      string str1 = str.Substring(0, 1); 
      string str2 = str.Substring(1, 1); 
      string str3 = str.Substring(2, 1); 
      string str4 = str.Substring(3, 1); 
      string rstring = ""; 
      rstring += ConvertChinese(str1) + "仟"; 
      rstring += ConvertChinese(str2) + "佰"; 
      rstring += ConvertChinese(str3) + "拾"; 
      rstring += ConvertChinese(str4); 
      rstring = rstring.Replace("零仟", "零"); 
      rstring = rstring.Replace("零佰", "零"); 
      rstring = rstring.Replace("零拾", "零"); 
      rstring = rstring.Replace("零零", "零"); 
      rstring = rstring.Replace("零零", "零"); 
      rstring = rstring.Replace("零零", "零"); 
      return rstring; 
  } 
  /// <summary>  
  /// 转换三位数字  
  /// </summary>  
  public string Convert3Digit(string str) 
  { 
      string str1 = str.Substring(0, 1); 
      string str2 = str.Substring(1, 1); 
      string str3 = str.Substring(2, 1); 
      string rstring = ""; 
      rstring += ConvertChinese(str1) + "佰"; 
      rstring += ConvertChinese(str2) + "拾"; 
      rstring += ConvertChinese(str3); 
      rstring = rstring.Replace("零佰", "零"); 
      rstring = rstring.Replace("零拾", "零");