C# 拼音通用类
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互联网集市收集整理的这篇技术教程文章主要介绍了C# 拼音通用类，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含5303字，纯文字阅读大概需要8分钟。
内容图文
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;
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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
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///
</summary>
17
///
<param name="chineseString"></param>
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///
<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);
23foreach (var item in chineseString.ToCharArray())
24 {
25if (!ChineseChar.IsValidChar(item))
26 {
27 sb.Append(item);
28 }
29else 30 {
31 System.Collections.ObjectModel.ReadOnlyCollection<string> py = new ChineseChar(item).Pinyins;
32if (py.Count > 0 && py[0].Length > 0)
33 {
34if (isFull)
35 sb.Append(py[0].Substring(0, py[0].Length - 1));
36else 37 sb.Append(py[0][0]);
38 }
39 }
40 }
41return 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> 50publicstaticvoid GetPY(string chineseString, outstring pyStr, outstring pyFullStr)
51 {
52 StringBuilder sb = new StringBuilder(50);
53 StringBuilder sbFull = new StringBuilder(50);
54foreach (var item in chineseString.ToCharArray())
55 {
56if (!ChineseChar.IsValidChar(item))
57 {
58 sb.Append(item);
59 sbFull.Append(item);
60 }
61else 62 {
63 System.Collections.ObjectModel.ReadOnlyCollection<string> py = new ChineseChar(item).Pinyins;
64if (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> 82publicstaticvoid GetHomoPhonePY(string chineseString, outstring pyStr, outstring pyFullStr)
83 {
84 StringBuilder sb = new StringBuilder(50);
85 StringBuilder sbFull = new StringBuilder(50);
86 87char[] chineseCharArray = chineseString.ToCharArray();
88 Dictionary<int, List<string>> dic = new Dictionary<int, List<string>>();
89 90for (int i = 0; i < chineseCharArray.Length; i++)
91 {
92char item = chineseCharArray[i];
93if (!ChineseChar.IsValidChar(item))
94 {
95 sb.Append(item);
96 sbFull.Append(item);
97 }
98else 99 {
100 ChineseChar chinaChar = new ChineseChar(item);
101 ReadOnlyCollection<string> py = chinaChar.Pinyins;
102if (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 }
109110 OutPutHomoPhone(dic, dic.Keys.Count, 0, "", ref sb);
111112 pyStr = sb.ToString();
113 pyFullStr = sbFull.ToString();
114 }
115116///<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>122publicstaticstring GetHomoPhonePY(string chineseString)
123 {
124 StringBuilder sb = new StringBuilder(50);
125126char[] chineseCharArray = chineseString.ToCharArray();
127 Dictionary<int, List<string>> dic = new Dictionary<int, List<string>>();
128129for (int i = 0; i < chineseCharArray.Length; i++)
130 {
131char item = chineseCharArray[i];
132if (!ChineseChar.IsValidChar(item))
133 {
134 dic.Add(i, new List<string> { item.ToString() });
135 }
136else137 {
138 ChineseChar chinaChar = new ChineseChar(item);
139 ReadOnlyCollection<string> py = chinaChar.Pinyins;
140if (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 }
146147 OutPutHomoPhone(dic, dic.Keys.Count, 0, "", ref sb);
148149return sb.ToString();
150 }
151152///<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>160privatestaticvoid OutPutHomoPhone(
161 Dictionary<int, List<string>> dic,
162int len,
163int key,
164string parentValue,
165ref StringBuilder sb)
166 {
167if (dic.Keys.Contains(key))
168 {
169foreach (string x in dic[key])
170 {
171if (dic.Keys.Count - 1 >= key)
172 {
173string outString = string.Format("{0}{1}", parentValue, x);
174if (outString.Length == len)
175 {
176 sb.AppendFormat("{0}|", outString);
177 }
178 OutPutHomoPhone(dic, len, key + 1, outString, ref sb);
179 }
180 }
181 }
182 }
183184 }
185 }
原文：http://www.cnblogs.com/daone/p/3844737.html
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