全角和半角转换

2017-02-26 15:49:55 访问(1340) 赞(0) 踩(0)

        /// <summary>
        /// 获得半角
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static string ToSingle(string str)
        {
            switch (str)
            {
                case "０":
                    return "0";
                case "１":
                    return "1";
                case "２":
                    return "2";
                case "３":
                    return "3";
                case "４":
                    return "4";
                case "５":
                    return "5";
                case "６":
                    return "6";
                case "７":
                    return "7";
                case "８":
                    return "8";
                case "９":
                    return "9";
                case "ａ":
                    return "a";
                case "ｂ":
                    return "b";
                case "ｃ":
                    return "c";
                case "ｄ":
                    return "d";
                case "ｅ":
                    return "e";
                case "ｆ":
                    return "f";
                case "ｇ":
                    return "g";
                case "ｈ":
                    return "h";
                case "ｉ":
                    return "i";
                case "ｊ":
                    return "j";
                case "ｋ":
                    return "k";
                case "ｌ":
                    return "l";
                case "ｍ":
                    return "m";
                case "ｎ":
                    return "n";
                case "ｏ":
                    return "o";
                case "ｐ":
                    return "p";
                case "ｑ":
                    return "q";
                case "ｒ":
                    return "r";
                case "ｓ":
                    return "s";
                case "ｔ":
                    return "t";
                case "ｕ":
                    return "u";
                case "ｖ":
                    return "v";
                case "ｗ":
                    return "w";
                case "ｘ":
                    return "x";
                case "ｙ":
                    return "y";
                case "ｚ":
                    return "z";
                case "Ａ":
                    return "A";
                case "Ｂ":
                    return "B";
                case "Ｃ":
                    return "C";
                case "Ｄ":
                    return "D";
                case "Ｅ":
                    return "E";
                case "Ｆ":
                    return "F";
                case "Ｇ":
                    return "G";
                case "Ｈ":
                    return "H";
                case "Ｉ":
                    return "I";
                case "Ｊ":
                    return "J";
                case "Ｋ":
                    return "K";
                case "Ｌ":
                    return "L";
                case "Ｍ":
                    return "M";
                case "Ｎ":
                    return "N";
                case "Ｏ":
                    return "O";
                case "Ｐ":
                    return "P";
                case "Ｑ":
                    return "Q";
                case "Ｒ":
                    return "R";
                case "Ｓ":
                    return "S";
                case "Ｔ":
                    return "T";
                case "Ｕ":
                    return "U";
                case "Ｖ":
                    return "V";
                case "Ｗ":
                    return "W";
                case "Ｘ":
                    return "X";
                case "Ｙ":
                    return "Y";
                case "Ｚ":
                    return "Z";
                case "！":
                    return "!";
                case "＠":
                    return "@";
                case "＃":
                    return "#";
                case "％":
                    return "%";
                case "＆":
                    return "&";
                case "＋":
                    return "+";
                case "－":
                    return "-";
                default:
                    return str;
            }
        }


        /// <summary>
        /// 获得半角
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static string ToDouble(string str)
        {
            switch (str)
            {
                case "0":
                    return "０";
                case "1":
                    return "１";
                case "2":
                    return "２";
                case "3":
                    return "３";
                case "4":
                    return "４";
                case "5":
                    return "５";
                case "6":
                    return "６";
                case "7":
                    return "７";
                case "8":
                    return "８";
                case "9":
                    return "９";
                case "a":
                    return "ａ";
                case "b":
                    return "ｂ";
                case "c":
                    return "ｃ";
                case "d":
                    return "ｄ";
                case "e":
                    return "ｅ";
                case "f":
                    return "ｆ";
                case "g":
                    return "ｇ";
                case "h":
                    return "ｈ";
                case "i":
                    return "ｉ";
                case "j":
                    return "ｊ";
                case "k":
                    return "ｋ";
                case "l":
                    return "ｌ";
                case "m":
                    return "ｍ";
                case "n":
                    return "ｎ";
                case "o":
                    return "ｏ";
                case "p":
                    return "ｐ";
                case "q":
                    return "ｑ";
                case "r":
                    return "ｒ";
                case "s":
                    return "ｓ";
                case "t":
                    return "ｔ";
                case "u":
                    return "ｕ";
                case "v":
                    return "ｖ";
                case "w":
                    return "ｗ";
                case "x":
                    return "ｘ";
                case "y":
                    return "ｙ";
                case "z":
                    return "ｚ";
                case "A":
                    return "Ａ";
                case "B":
                    return "Ｂ";
                case "C":
                    return "Ｃ";
                case "D":
                    return "Ｄ";
                case "E":
                    return "Ｅ";
                case "F":
                    return "Ｆ";
                case "G":
                    return "Ｇ";
                case "H":
                    return "Ｈ";
                case "I":
                    return "Ｉ";
                case "J":
                    return "Ｊ";
                case "K":
                    return "Ｋ";
                case "L":
                    return "Ｌ";
                case "M":
                    return "Ｍ";
                case "N":
                    return "Ｎ";
                case "O":
                    return "Ｏ";
                case "P":
                    return "Ｐ";
                case "Q":
                    return "Ｑ";
                case "R":
                    return "Ｒ";
                case "S":
                    return "Ｓ";
                case "T":
                    return "Ｔ";
                case "U":
                    return "Ｕ";
                case "V":
                    return "Ｖ";
                case "W":
                    return "Ｗ";
                case "X":
                    return "Ｘ";
                case "Y":
                    return "Ｙ";
                case "Z":
                    return "Ｚ";
                case "!":
                    return "！";
                case "@":
                    return "＠";
                case "#":
                    return "＃";
                case "%":
                    return "％";
                case "&":
                    return "＆";
                case "+":
                    return "＋";
                case "-":
                    return "－";
                default:
                    return str;
            }
        }