/// <summary>
/// 获取拼音
/// </summary>
/// <param name="source">要获取拼音的文字</param>
/// <param name="mode">获取模式</param>
/// <param name="spliter">字之间的分隔符</param>
/// <returns></returns>
public static string GetPinYin(string source, PinYinMode mode = PinYinMode.Simple, string spliter = " ")
{
if (string.IsNullOrWhiteSpace(source))
{
return(String.Empty);
}
StringBuilder sb = new StringBuilder();
foreach (var c in source)
{
if (ChineseChar.IsValidChar(c))
{
var pinYins = GetPinYinWithTone(c);
switch (mode)
{
case PinYinMode.Simple:
sb.Append(UpperFirstChar(RemoveTone(pinYins[0])));
break;
case PinYinMode.WithTone:
sb.Append(UpperFirstChar(pinYins[0]));
break;
case PinYinMode.WithMultiplePronunciations:
sb.Append(string.Join(",", pinYins.Where(x => !string.IsNullOrWhiteSpace(x))
.Select(RemoveTone)
.Select(UpperFirstChar)
.Distinct()));
break;
case PinYinMode.WithToneAndMultiplePronunciations:
sb.Append(string.Join(",", pinYins.Where(x => !string.IsNullOrWhiteSpace(x))
.Select(UpperFirstChar)));
break;
default:
throw new ArgumentOutOfRangeException("mode", mode, null);
}
}
else
{
sb.Append(UpperChar(c));
}
sb.Append(spliter);
}
return(sb.Remove(sb.Length - 1, 1).ToString());
}
/// <summary>
/// 获得中文拼音
/// </summary>
/// <param name="inputString"></param>
/// <param name="mode"></param>
/// <returns></returns>
public static IEnumerable <string> GetChinesePinYin(this string inputString, PinYinMode mode = PinYinMode.NoTone)
{
var chineseChars = new object[inputString.Length];
for (var i = 0; i < inputString.Length; i++)
{
char inputChar = inputString[i];
if (!inputChar.ToString().IsChinese())
{
chineseChars[i] = inputChar;
continue;
}
chineseChars[i] = new ChineseChar(inputChar);
}
IEnumerable <string> result = GetPinYin("", 0, chineseChars.ToList(), mode);
return(result.Distinct());
}
/// <summary>
/// 获得拼音
/// </summary>
/// <param name="nowPinyin"></param>
/// <param name="index"></param>
/// <param name="chineseChars"></param>
/// <param name="mode"></param>
/// <returns></returns>
private static IEnumerable <string> GetPinYin(string nowPinyin, int index, IReadOnlyList <object> chineseChars, PinYinMode mode)
{
var inputPinYin = new List <string>();
if (chineseChars.Count <= index)
{
inputPinYin.Add(nowPinyin);
}
else
{
switch (chineseChars[index])
{
case char charString:
inputPinYin.AddRange(GetPinYin(nowPinyin + charString, index + 1, chineseChars, mode));
break;
case ChineseChar chinese:
for (var i = 0; i < chinese.PinyinCount; i++)
{
string pinyin = chinese.Pinyins[i];
switch (mode)
{
case PinYinMode.Full:
pinyin = pinyin.ToLower().FirstUpper();
break;
case PinYinMode.NoTone:
pinyin = pinyin.ToLower().FirstUpper().Substring(0, pinyin.Length - 1);
break;
case PinYinMode.Abbreviation:
pinyin = pinyin[0].ToString();
break;
}
string str = pinyin;
if (!string.IsNullOrEmpty(nowPinyin))
{
str = nowPinyin + str;
}
inputPinYin.AddRange(GetPinYin(str, index + 1, chineseChars, mode));
}
break;
}
}
return(inputPinYin);
}
