/// <summary>
/// 将中文字符转换为汉语拼音的首字母。
/// </summary>
/// <param name="source">将要转换的字符串。</param>
/// <param name="containRare">是否搜索生僻字。</param>
/// <returns>转换后的字符串。</returns>
public static string ToPinyin(this string source, bool containRare = false)
{
if (string.IsNullOrEmpty(source))
{
return(source);
}
var output = new StringBuilder(source.Length);
foreach (var c in source)
{
if (c.IsChinese())
{
var ascii = CharExtension.GetAsciiCode(c);
var key = ChineseSpellHelper.FindBaseDictionary(ascii, c);
if (key == c && containRare)
{
key = ChineseSpellHelper.FindRareDictionary(ascii, c);
}
output.Append(key);
}
else
{
output.Append(c);
}
}
return(output.ToString());
}
/// <summary>
/// 将中文字符转换为汉语拼音的全拼。
/// </summary>
/// <param name="source">将要转换的字符串。</param>
/// <returns>转换后的字符串。</returns>
public static string ToFullPinyin(this string source)
{
return(ChineseSpellHelper.GetPinyin(source));
}
/// <summary>
/// 将中文字符转换为汉语拼音的首字母。
/// </summary>
/// <param name="source">将要转换的字符串。</param>
/// <returns>转换后的字符串。</returns>
public static string ToPinyin(this string source)
{
return(ChineseSpellHelper.GetPinyinFirstLetter(source));
}
