ascii文件转为utf-8格式

import codecs
import os
　　　　 #格式转换
fhanzi1 = codecs.open(os.path.join(outputpath,"hanzi1.txt"),"r")
fhanzi = codecs.open(os.path.join(outputpath,"hanzi.txt"),"w")

result_f = codecs.EncodedFile(fhanzi1,'utf-8','gbk')

for chars in result_f:
fhanzi.write(chars)

fhanzi1.close()
fhanzi.close()

os.remove(os.path.join(outputpath,"hanzi1.txt"))