获取汉字首字母，多音拼音，递归实现(性能最好，最完善)
前面写的几篇都是没有完善的，目前修改这个是最好的
ChineseChar类可在这里找到DLL
http://download.csdn.net/detail/qq873113580/6033615
全部代码
using Microsoft.International.Converters.PinYinConverter;using System;using System.Collections.Generic;using System.Collections.ObjectModel;using System.Linq;using System.Text;using System.Text.RegularExpressions;using System.Threading.Tasks;
namespace ConsoleApplication1{ class Program { static void Main(string[] args) { List<string> a = PinYingHelper.GetPYList("l奇】"); List<string> b = PinYingHelper.GetPYFullList("l奇】"); List<string> c = PinYingHelper.GetPYInitialList("l奇】"); } }}
using Microsoft.International.Converters.PinYinConverter;using System;using System.Collections.Generic;using System.Collections.ObjectModel;using System.Linq;using System.Text;using System.Text.RegularExpressions;using System.Threading.Tasks;
namespace ConsoleApplication1{ public class PinYingHelper { #region 获取汉字首字母包含多音如 “奇” 返回 new List<string>{"Q","J"}; /// <summary> /// 获取汉字首字母包含多音 /// </summary> /// <param name="str"></param> /// <returns></returns> public static List<string> GetPYInitialList(string str) { List<string> list = new List<string>(); return GetPYInitialList(GetPYList(str)); }
/// <summary> /// 获取汉字首字母包含多音 /// </summary> /// <param name="pyList">传入GetPY这个方法返回的对象</param> /// <returns></returns> public static List<string> GetPYInitialList(List<string> pyList) { List<string> list = new List<string>(); foreach (string py in pyList) { string[] strs = py.Split('$'); StringBuilder sb = new StringBuilder(); foreach (string s in strs) { if (s.Length > 0) { sb.Append(s.Substring(0, 1)); } } list.Add(sb.ToString()); } return list; } #endregion
#region 获取拼音包含多音,如"奇"返回new List<string>{"QI","JI"}; /// <summary> /// 获取拼音包含多音 /// </summary> /// <param name="pyList">传入GetPY这个方法返回的对象</param> /// <returns></returns> public static List<string> GetPYFullList(List<string> pyList) { List<string> list = new List<string>(); foreach (string py in pyList) { list.Add(py.Replace("$", "")); } return list; } /// <summary> /// 获取拼音包含多音 /// </summary> /// <param name="str"></param> /// <returns></returns> public static List<string> GetPYFullList(string str) { List<string> list = new List<string>(); return GetPYFullList(GetPYList(str)); } #endregion
#region 获取汉字的拼音包含多音字用"$"连接,如 "奇怪" 返回 new List<string>{"QI$GUAI","JI$GUAI"}; /// <summary> /// 获取汉字的拼音包含多音字用"$"连接 /// </summary> /// <param name="pyList"></param> /// <param name="str"></param> /// <param name="isFirst"></param> /// <returns></returns> public static List<string> GetPYList(string str, List<string> pyList = null, bool isFirst = true) { if (pyList == null) { pyList = new List<string>(); } if (str.Length > 1) { string tmp = str.Substring(0, 1); string remain = str.Substring(1); List<string> tmpList = GetPYALL(tmp); if (isFirst) { pyList.AddRange(tmpList); pyList = GetPYList(remain, pyList, false); } else { pyList = GetPYList(remain, CombinationList(pyList, tmpList), false); } } else { if (pyList.Count > 0) { pyList = CombinationList(pyList, GetPYALL(str)); } else { pyList.AddRange(GetPYALL(str)); } } return pyList; } #endregion
#region 组合2个List，内部使用 /// <summary> /// 组合2个List /// </summary> /// <param name="list1"></param> /// <param name="list2"></param> /// <returns></returns> private static List<string> CombinationList(List<string> list1, List<string> list2) { List<string> tmpPYList = new List<string>(); foreach (string i in list1) { foreach (string j in list2) { tmpPYList.Add(i + "$" + j); } } return tmpPYList; } #endregion
#region 获取全拼,包含多音，内部使用 /// <summary> /// 获取全拼,包含多音 /// </summary> /// <param name="str"></param> /// <returns>返回一个多音集合</returns> private static List<string> GetPYALL(string str) { List<string> soruceList = new List<string>(); char[] chars = str.ToCharArray(); for (int i = 0; i < chars.Length; i++) { if (new Regex(@"^[\u4e00-\u9fa5]+$").Match(chars[i].ToString()).Success) { ChineseChar chineseChar = new ChineseChar(chars[i]); ReadOnlyCollection<string> pyColl = chineseChar.Pinyins; //循环生成首字母的笛卡尔积,存储到临时拼音列表 foreach (var item in pyColl) { if (item != null) { string temp = item.Remove(item.Length - 1, 1); if (!soruceList.Contains(temp)) { soruceList.Add(temp); } } } } else//不是汉字的 { soruceList.Add(chars[i].ToString().ToUpper()); } } return soruceList; } #endregion }}
