changetoutf-8

 import chardet
 import os
 # ANSI文件转UTF-8
 import codecs
 import os

 def strJudgeCode(str):
     return chardet.detect(str)

 def readFile(path):

     f = open(path, 'r',endoding='ANSI')
     filecontent = f.read()
     f.close()

     return filecontent

 def WriteFile(str, path):
     try:
         f = open(path, 'w')
         f.write(str)
     finally:
         if f:
             f.close()

 def converCode(path):
     file_con = readFile(path)
     result = strJudgeCode(file_con)
     #print(file_con)
     if result['encoding'] == 'utf-8':
         #os.remove(path)
         a_unicode = file_con.decode('utf-8')
         gb2312 = a_unicode.encode('gbk')
         WriteFile(gb2312, path)

 def listDirFile(dir):
     list = os.listdir(dir)
     for line in list:
         print(line)
         filepath = dir+line
         print(filepath)
         # if os.path.isdir(filepath):
         #     listDirFile(filepath)
         # else:
         #     print(line)
         converCode(filepath)            

 if __name__ == '__main__':

     # listDirFile('./TRMD/')

     # 文件所在目录
     file_path =r"C:\\Users\\Lenovo\\Desktop\\数据库设计\\爬虫脚本\\TRMD\\test"
     files = os.listdir(file_path)

     for file in files:
         file_name = file_path + '\\' + file
         f = codecs.open(file_name, 'r','cp852')
         ff = f.read()
         file_object = codecs.open(file_path + '\\' + file, 'w', 'utf-8')
         file_object.write(ff)