汉字获取首字母多音字

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汉字获取首字母多音字

来源: 作者: 时间:2016-01-29 09:12
DEMO a target=_blank href=http: download csdn net detail qq873113580 6033615http: download csdn net detail qq873113580 6033615 ausing Microsoft International Converters PinYinConve
//DEMO <a target="_blank" href="http://download.csdn.net/detail/qq873113580/6033615">http://download.csdn.net/detail/qq873113580/6033615</a>
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> ss = GetPYAll("其他");
            //输出集合为   qi-ta    ji-ta  然后再截取就好了
        }

        /// <summary>
        /// 获取全拼
        /// </summary>
        /// <param name="str"></param>
        /// <returns>返回一个多音集合(如:其原本多音字为 qi ji 输入“其他”返回qita jita)</returns>
        public static List<string> GetPYAll(string str)
        {
            List<string> soruceList = new List<string>();
            //用来组合的拼音集合
            List<string> list = new List<string>();
            //每个位置对应的拼音集合
            Dictionary<int, List<string>> dic = new Dictionary<int, List<string>>();
            char[] chars = str.ToCharArray();
            for (int i = 0; i < chars.Length; i++)
            {
                List<string> tempList=new List<string>();

                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);
                            list.Add(temp);
                            if(!tempList.Contains(temp))
                            {
                                tempList.Add(temp);
                            }
                        }
                    }
                }
                else//不是汉字的
                {
                    tempList.Add(chars[i].ToString());
                    list.Add(chars[i].ToString());
                }
                dic.Add(i, tempList);
            }
            //组合
            List<string[]> lst_Combination = PermutationAndCombination<string>.GetCombination(list.ToArray(), str.Length);
            //求取组合中以第一个字的拼音开头的
            foreach (string[] strs in lst_Combination)
            {
                bool b = false;
                for (int i = 0; i < strs.Length; i++)
                {
                    if (dic[i].Contains(strs[i]))
                    {
                        b = true;
                    }
                    else
                    {
                        b = false;
                        break;
                    }
                }
                if (b)
                {
                    soruceList.Add(string.Join("-", strs));
                }
            }

            return soruceList;
        }
    }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
    public class PermutationAndCombination<T>
    {
        /// <summary>
        /// 交换两个变量
        /// </summary>
        /// <param name="a">变量1</param>
        /// <param name="b">变量2</param>
        public static void Swap(ref T a, ref T b)
        {
            T temp = a;
            a = b;
            b = temp;
        }

        /// <summary>
        /// 递归算法求数组的组合(私有成员)
        /// </summary>
        /// <param name="list">返回的范型</param>
        /// <param name="t">所求数组</param>
        /// <param name="n">辅助变量</param>
        /// <param name="m">辅助变量</param>
        /// <param name="b">辅助数组</param>
        /// <param name="M">辅助变量M</param>
        private static void GetCombination(ref List<T[]> list, T[] t, int n, int m, int[] b, int M)
        {
            for (int i = n; i >= m; i--)
            {
                b[m - 1] = i - 1;
                if (m > 1)
                {
                    GetCombination(ref list, t, i - 1, m - 1, b, M);
                }
                else
                {
                    if (list == null)
                    {
                        list = new List<T[]>();
                    }
                    T[] temp = new T[M];
                    for (int j = 0; j < b.Length; j++)
                    {
                        temp[j] = t[b[j]];
                    }
                    list.Add(temp);
                }
            }
        }

        /// <summary>
        /// 递归算法求排列(私有成员)
        /// </summary>
        /// <param name="list">返回的列表</param>
        /// <param name="t">所求数组</param>
        /// <param name="startIndex">起始标号</param>
        /// <param name="endIndex">结束标号</param>
        private static void GetPermutation(ref List<T[]> list, T[] t, int startIndex, int endIndex)
        {
            if (startIndex == endIndex)
            {
                if (list == null)
                {
                    list = new List<T[]>();
                }
                T[] temp = new T[t.Length];
                t.CopyTo(temp, 0);
                list.Add(temp);
            }
            else
            {
                for (int i = startIndex; i <= endIndex; i++)
                {
                    Swap(ref t[startIndex], ref t[i]);
                    GetPermutation(ref list, t, startIndex + 1, endIndex);
                    Swap(ref t[startIndex], ref t[i]);
                }
            }
        }

        /// <summary>
        /// 求从起始标号到结束标号的排列,其余元素不变
        /// </summary>
        /// <param name="t">所求数组</param>
        /// <param name="startIndex">起始标号</param>
        /// <param name="endIndex">结束标号</param>
        /// <returns>从起始标号到结束标号排列的范型</returns>
        public static List<T[]> GetPermutation(T[] t, int startIndex, int endIndex)
        {
            if (startIndex < 0 || endIndex > t.Length - 1)
            {
                return null;
            }
            List<T[]> list = new List<T[]>();
            GetPermutation(ref list, t, startIndex, endIndex);
            return list;
        }

        /// <summary>
        /// 返回数组所有元素的全排列
        /// </summary>
        /// <param name="t">所求数组</param>
        /// <returns>全排列的范型</returns>
        public static List<T[]> GetPermutation(T[] t)
        {
            return GetPermutation(t, 0, t.Length - 1);
        }

        /// <summary>
        /// 求数组中n个元素的排列
        /// </summary>
        /// <param name="t">所求数组</param>
        /// <param name="n">元素个数</param>
        /// <returns>数组中n个元素的排列</returns>
        public static List<T[]> GetPermutation(T[] t, int n)
        {
            if (n > t.Length)
            {
                return null;
            }
            List<T[]> list = new List<T[]>();
            List<T[]> c = GetCombination(t, n);
            for (int i = 0; i < c.Count; i++)
            {
                List<T[]> l = new List<T[]>();
                GetPermutation(ref l, c[i], 0, n - 1);
                list.AddRange(l);
            }
            return list;
        }


        /// <summary>
        /// 求数组中n个元素的组合
        /// </summary>
        /// <param name="t">所求数组</param>
        /// <param name="n">元素个数</param>
        /// <returns>数组中n个元素的组合的范型</returns>
        public static List<T[]> GetCombination(T[] t, int n)
        {
            if (t.Length < n)
            {
                return null;
            }
            int[] temp = new int[n];
            List<T[]> list = new List<T[]>();
            GetCombination(ref list, t, t.Length, n, temp, n);
            return list;
        }
    }
}

 

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