def is_chinese(uchar): 
"""判斷一個unicode是否是漢字""" 
  if uchar >= u'\u4e00' and uchar<=u'\u9fa5': 
    return True 
  else: 
    return False 
 
def is_number(uchar): 
"""判斷一個unicode是否是數(shù)字""" 
  if uchar >= u'\u0030' and uchar<=u'\u0039': 
    return True 
  else: 
    return False 
 
def is_alphabet(uchar): 
"""判斷一個unicode是否是英文字母""" 
  if (uchar >= u'\u0041' and uchar<=u'\u005a') or (uchar >= u'\u0061' and uchar<=u'\u007a'): 
    return True 
  else: 
    return False 
 
def is_other(uchar): 
"""判斷是否非漢字，數(shù)字和英文字符""" 
  if not (is_chinese(uchar) or is_number(uchar) or is_alphabet(uchar)): 
    return True 
  else: 
    return False 
 
def B2Q(uchar): 
"""半角轉(zhuǎn)全角""" 
  inside_code=ord(uchar) 
  if inside_code<0x0020 or inside_code>0x7e: #不是半角字符就返回原來的字符 
    return uchar 
  if inside_code==0x0020: #除了空格其他的全角半角的公式為:半角=全角-0xfee0 
    inside_code=0x3000 
  else: 
    inside_code+=0xfee0 
  return unichr(inside_code) 
 
def Q2B(uchar): 
"""全角轉(zhuǎn)半角""" 
  inside_code=ord(uchar) 
  if inside_code==0x3000: 
    inside_code=0x0020 
  else: 
    inside_code-=0xfee0 
  if inside_code<0x0020 or inside_code>0x7e: #轉(zhuǎn)完之后不是半角字符返回原來的字符 
    return uchar 
  return unichr(inside_code) 
 
def stringQ2B(ustring): 
"""把字符串全角轉(zhuǎn)半角""" 
  return "".join([Q2B(uchar) for uchar in ustring]) 
 
def uniform(ustring): 
"""格式化字符串，完成全角轉(zhuǎn)半角，大寫轉(zhuǎn)小寫的工作""" 
  return stringQ2B(ustring).lower() 
 
def string2List(ustring): 
"""將ustring按照中文，字母，數(shù)字分開""" 
retList=[] 
utmp=[] 
for uchar in ustring: 
if is_other(uchar): 
if len(utmp)==0: 
continue 
else: 
retList.append("".join(utmp)) 
utmp=[] 
else: 
utmp.append(uchar) 
if len(utmp)!=0: 
retList.append("".join(utmp)) 
return retList