可以同时实现完整拼音和首字母的转换，识别率比较高，扩展后可以进行各项应用，特别推荐给大家

App_code下StrToPinyin.cs和ConvertHzToPz_Gb2312.cs分别为拼音首字母缩写和全拼转换函数-Can simultaneously achieve a complete alphabet and the first letter of the conversion, recognition rate is relatively high, the application can be expanded, in particular, recommend to everyone App_code, respectively, under StrToPinyin.cs and ConvertHzToPz_Gb2312.cs initials and spelling phonetic conversion functions