C#將漢字拼音轉(zhuǎn)為大寫首字母

1、using System;using System.Collections.Generic;using System.Text;namespace Common / <summary> / 字符串處理 / </summary> public class StringManage / <summary> / 漢字轉(zhuǎn)拼音縮寫 / </summary> / <param name="str">要轉(zhuǎn)換的漢字字符串</param> / <returns>拼音縮寫</returns> pub

2、lic static String GetPYString(String str) String TempStr = "" foreach (char Chr in str) if (int)Chr >= 33 && (int)Chr <= 126) /字母和符號原樣保留 TempStr += Chr.ToString(); else if (int)Chr = 12288) /將全角空格轉(zhuǎn)換為半角空格 TempStr += (char)32; else if (int)Chr > 65280 && (int)Chr <

3、; 65375) /將全角符號轉(zhuǎn)換為半角符號 TempStr += (char)(int)Chr - 65248); else /累加拼音聲母 TempStr += GetPYChar(Chr.ToString(); return TempStr; / <summary> / 漢字轉(zhuǎn)拼音縮寫 / </summary> / <param name="str">要轉(zhuǎn)換的漢字字符串</param> / <param name="maxLength">轉(zhuǎn)換的最大長度</param> / &l

4、t;returns>拼音縮寫</returns> public static String GetPYString(String str, int maxLength) String TempStr = "" TempStr = GetPYString(str); if (TempStr.Length > maxLength) TempStr = TempStr.Substring(0, 8); return TempStr; public static bool IsChinese(string str) return str.CompareTo(

5、"吖") >= 0; / <summary> / 取單個字符的拼音聲母 / </summary> / <param name="c">要轉(zhuǎn)換的單個漢字</param> / <returns>拼音聲母</returns> public static String GetPYChar(String str) if (str.CompareTo("吖") < 0) return str; if (str.CompareTo("八") &l

6、t; 0) return "A" if (str.CompareTo("嚓") < 0) return "B" if (str.CompareTo("咑") < 0) return "C" if (str.CompareTo("妸") < 0) return "D" if (str.CompareTo("發(fā)") < 0) return "E" if (str.CompareTo("旮

7、") < 0) return "F" if (str.CompareTo("鉿") < 0) return "G" if (str.CompareTo("譏") < 0) return "H" if (str.CompareTo("咔") < 0) return "J" if (str.CompareTo("垃") < 0) return "K" if (str.Compare

8、To("嘸") < 0) return "L" if (str.CompareTo("拏") < 0) return "M" if (str.CompareTo("噢") < 0) return "N" if (str.CompareTo("妑") < 0) return "O" if (str.CompareTo("七") < 0) return "P" if (s

9、tr.CompareTo("亽") < 0) return "Q" if (str.CompareTo("仨") < 0) return "R" if (str.CompareTo("他") < 0) return "S" if (str.CompareTo("哇") < 0) return "T" if (str.CompareTo("夕") < 0) return "W&q

10、uot; if (str.CompareTo("丫") < 0) return "X" if (str.CompareTo("帀") < 0) return "Y" if (str.CompareTo("咗") < 0) return "Z" return str; #region 獲取字符串的實際字節(jié)長度的方法 / <summary> / 獲取字符串的實際字節(jié)長度的方法 / </summary> / <param name=&

11、quot;source">字符串</param> / <returns>實際長度</returns> public static int GetRealLength(string source) return Encoding.Default.GetByteCount(source); #endregion #region 按字節(jié)數(shù)截取字符串的方法 / <summary> / 按字節(jié)數(shù)截取字符串的方法 / </summary> / <param name="source">要截取的字符串

12、</param> / <param name="n">要截取的字節(jié)數(shù)</param> / <param name="needEndDot">是否需要結(jié)尾的省略號</param> / <returns>截取后的字符串</returns> public static string SubString(string source, int n, bool needEndDot) string Result = string.Empty; if (GetRealLength(source) <= n)/如果長度比需要的長度n小,返回原字符串 return source; else int j = 0; char ChrList = source.ToCharArray(); for (int i = 0; i < ChrList.Length && j < n; i+) if (int)ChrListi > 127)/是否漢字 Res