因为项目需求，查找资料并编写了这个拼音通用类。在博客园分享：）
其中的多音字首拼，感觉还是非常实用的。可识别中文、英文和符号
1 using System;
2 using System.Collections.Generic;
3 using System.Collections.ObjectModel;
4 using System.Linq;
5 using System.Text;
6 using Microsoft.International.Converters.PinYinConverter;
7
8 namespace MyConsoleApp
9 {
10 public sealed class PinYin
11 {
12 private PinYin() { }
13
14 /// <summary>
15 /// 获取首拼或全拼。大写
16 /// </summary>
17 /// <param name="chineseString"></param>
18 /// <param name="isFull">true为全拼，false为首拼</param>
19 /// <returns></returns>
20 public static string GetPY(string chineseString, bool isFull)
21 {
22 StringBuilder sb = new StringBuilder(50);
23 foreach (var item in chineseString.ToCharArray())
24 {
25 if (!ChineseChar.IsValidChar(item))
26 {
27 sb.Append(item);
28 }
29 else
30 {
31 System.Collections.ObjectModel.ReadOnlyCollection<string> py = new ChineseChar(item).Pinyins;
32 if (py.Count > 0 && py[0].Length > 0)
33 {
34 if (isFull)
35 sb.Append(py[0].Substring(0, py[0].Length - 1));
36 else
37 sb.Append(py[0][0]);
38 }
39 }
40 }
41 return sb.ToString();
42 }
43
44 /// <summary>
45 /// 获取首拼和全拼
46 /// </summary>
47 /// <param name="chineseString"></param>
48 /// <param name="pyStr"></param>
49 /// <param name="pyFullStr"></param>
50 public static void GetPY(string chineseString, out string pyStr, out string pyFullStr)
51 {
52 StringBuilder sb = new StringBuilder(50);
53 StringBuilder sbFull = new StringBuilder(50);
54 foreach (var item in chineseString.ToCharArray())
55 {
56 if (!ChineseChar.IsValidChar(item))
57 {
58 sb.Append(item);
59 sbFull.Append(item);
60 }
61 else
62 {
63 System.Collections.ObjectModel.ReadOnlyCollection<string> py = new ChineseChar(item).Pinyins;
64 if (py.Count > 0 && py[0].Length > 0)
65 {
66 sbFull.Append(py[0].Substring(0, py[0].Length - 1));
67 sb.Append(py[0][0]);
68 }
69 }
70 }
71
72 pyStr = sb.ToString();
73 pyFullStr = sbFull.ToString();
74 }
75
76 /// <summary>
77 /// 获取首拼(多音字"|"分隔)和全拼
78 /// </summary>
79 /// <param name="chineseString"></param>
80 /// <param name="pyStr"></param>
81 /// <param name="pyFullStr"></param>
82 public static void GetHomoPhonePY(string chineseString, out string pyStr, out string pyFullStr)
83 {
84 StringBuilder sb = new StringBuilder(50);
85 StringBuilder sbFull = new StringBuilder(50);
86
87 char[] chineseCharArray = chineseString.ToCharArray();
88 Dictionary<int, List<string>> dic = new Dictionary<int, List<string>>();
89
90 for (int i = 0; i < chineseCharArray.Length; i++)
91 {
92 char item = chineseCharArray[i];
93 if (!ChineseChar.IsValidChar(item))
94 {
95 sb.Append(item);
96 sbFull.Append(item);
97 }
98 else
99 {
100 ChineseChar chinaChar = new ChineseChar(item);
101 ReadOnlyCollection<string> py = chinaChar.Pinyins;
102 if (py.Count > 0 && py[0].Length > 0)
103 {
104 sbFull.Append(py[0].Substring(0, py[0].Length - 1));
105 dic.Add(i, py.Where(p => !string.IsNullOrEmpty(p)).Select(p => p[0].ToString()).Distinct().ToList());
106 }
107 }
108 }
109
110 OutPutHomoPhone(dic, dic.Keys.Count, 0, "", ref sb);
111
112 pyStr = sb.ToString();
113 pyFullStr = sbFull.ToString();
114 }
115
116 /// <summary>
117 /// 获取多音字首拼(多音字"|"分隔)
118 /// 西门子SIEMENS商标->XMZSIEMENSSB
119 /// </summary>
120 /// <param name="chineseString"></param>
121 /// <returns></returns>
122 public static string GetHomoPhonePY(string chineseString)
123 {
124 StringBuilder sb = new StringBuilder(50);
125
126 char[] chineseCharArray = chineseString.ToCharArray();
127 Dictionary<int, List<string>> dic = new Dictionary<int, List<string>>();
128
129 for (int i = 0; i < chineseCharArray.Length; i++)
130 {
131 char item = chineseCharArray[i];
132 if (!ChineseChar.IsValidChar(item))
133 {
134 dic.Add(i, new List<string> { item.ToString() });
135 }
136 else
137 {
138 ChineseChar chinaChar = new ChineseChar(item);
139 ReadOnlyCollection<string> py = chinaChar.Pinyins;
140 if (py.Count > 0 && py[0].Length > 0)
141 {
142 dic.Add(i, py.Where(p => !string.IsNullOrEmpty(p)).Select(p => p[0].ToString()).Distinct().ToList());
143 }
144 }
145 }
146
147 OutPutHomoPhone(dic, dic.Keys.Count, 0, "", ref sb);
148
149 return sb.ToString();
150 }
151
152 /// <summary>
153 /// 递归出多音字的首拼
154 /// </summary>
155 /// <param name="dic">多音字字典</param>
156 /// <param name="len">字数</param>
157 /// <param name="key">字典下标</param>
158 /// <param name="parentValue">递归的首拼</param>
159 /// <param name="sb">结果对象</param>
160 private static void OutPutHomoPhone(
161 Dictionary<int, List<string>> dic,
162 int len,
163 int key,
164 string parentValue,
165 ref StringBuilder sb)
166 {
167 if (dic.Keys.Contains(key))
168 {
169 foreach (string x in dic[key])
170 {
171 if (dic.Keys.Count - 1 >= key)
172 {
173 string outString = string.Format("{0}{1}", parentValue, x);
174 if (outString.Length == len)
175 {
176 sb.AppendFormat("{0}|", outString);
177 }
178 OutPutHomoPhone(dic, len, key + 1, outString, ref sb);
179 }
180 }
181 }
182 }
183
184 }
185 }
C# 拼音通用类
时间： 2024-08-02 08:32:48