C# 把汉字转换成拼音(全拼)

public static string ChineseToFullPinYin(string chinese){//匹配中文字符Regex regex = new Regex("^[\u4e00-\u9fa5]$");byte[] array = new byte[2];string pyString = "";int chrAsc = 0;int i1 = 0;int i2 = 0;char[] noWChar = chinese.ToCharArray();for (int j = 0; j < noWChar.Length; j++){//中文字符if (regex.IsMatch(noWChar[j].ToString())){array = System.Text.Encoding.Default.GetBytes(noWChar[j].ToString());i1 = (short)(array[0]);i2 = (short)(array[1]);chrAsc = i1 * 256 + i2 - 65536;if (chrAsc > 0 && chrAsc < 160){pyString += noWChar[j];}else{//修正部分文字if (chrAsc == -9254)//修正"圳"字pyString += "Zhen";else if (chrAsc == -12080){pyString += "Hang";}else{for (int i = (pyValue.Length - 1); i >= 0; i--){if (pyValue[i] <= chrAsc){pyString += pyName[i];break;}}}}}//非中文字符else{pyString += noWChar[j].ToString();}}return pyString;}