python获取一组汉字拼音首字母的方法

本文实例讲述了python获取一组汉字拼音首字母的方法。分享给大家供大家参考。具体实现方法如下：

    #!/usr/bin/env python 
    # -*- coding: utf-8 -*- 
    def multi_get_letter(str_input): 
      if isinstance(str_input, unicode): 
        unicode_str = str_input 
      else: 
        try: 
          unicode_str = str_input.decode('utf8') 
        except: 
          try: 
            unicode_str = str_input.decode('gbk') 
          except: 
            print 'unknown coding' 
            return 
      return_list = [] 
      for one_unicode in unicode_str: 
        return_list.append(single_get_first(one_unicode)) 
      return return_list 
    def single_get_first(unicode1): 
      str1 = unicode1.encode('gbk') 
      try:     
        ord(str1) 
        return str1 
      except: 
        asc = ord(str1[0]) * 256 + ord(str1[1]) - 65536 
        if asc >= -20319 and asc <= -20284: 
          return 'a' 
        if asc >= -20283 and asc <= -19776: 
          return 'b' 
        if asc >= -19775 and asc <= -19219: 
          return 'c' 
        if asc >= -19218 and asc <= -18711: 
          return 'd' 
        if asc >= -18710 and asc <= -18527: 
          return 'e' 
        if asc >= -18526 and asc <= -18240: 
          return 'f' 
        if asc >= -18239 and asc <= -17923: 
          return 'g' 
        if asc >= -17922 and asc <= -17418: 
          return 'h' 
        if asc >= -17417 and asc <= -16475: 
          return 'j' 
        if asc >= -16474 and asc <= -16213: 
          return 'k' 
        if asc >= -16212 and asc <= -15641: 
          return 'l' 
        if asc >= -15640 and asc <= -15166: 
          return 'm' 
        if asc >= -15165 and asc <= -14923: 
          return 'n' 
        if asc >= -14922 and asc <= -14915: 
          return 'o' 
        if asc >= -14914 and asc <= -14631: 
          return 'p' 
        if asc >= -14630 and asc <= -14150: 
          return 'q' 
        if asc >= -14149 and asc <= -14091: 
          return 'r' 
        if asc >= -14090 and asc <= -13119: 
          return 's' 
        if asc >= -13118 and asc <= -12839: 
          return 't' 
        if asc >= -12838 and asc <= -12557: 
          return 'w' 
        if asc >= -12556 and asc <= -11848: 
          return 'x' 
        if asc >= -11847 and asc <= -11056: 
          return 'y' 
        if asc >= -11055 and asc <= -10247: 
          return 'z' 
        return '' 
    def main(str_input): 
      a = multi_get_letter(str_input) 
      b = '' 
      for i in a: 
        b= b+i 
      print b 
    if __name__ == "__main__": 
      str_input=u'欢迎你' 
      main(str_input)

希望本文所述对大家的Python程序设计有所帮助。