python 将编码转为汉字
print '\u57fa\u7840\u5316\u5de5\u4e1a'.decode('unicode-escape')
print urllib.unquote("%C0%FA%CA%B7%C9%CF%C4%C7%D0%A9%C5%A3%C8%CB%C3%C7.PDF").decode('gbk').encode('utf-8')
显示:历史上那些牛人们.PDF
print '\u57fa\u7840\u5316\u5de5\u4e1a'.decode('unicode-escape')
print urllib.unquote("%C0%FA%CA%B7%C9%CF%C4%C7%D0%A9%C5%A3%C8%CB%C3%C7.PDF").decode('gbk').encode('utf-8')
显示:历史上那些牛人们.PDF