python 处理html文本的中文字符gbk转utf-8
#中文字符gbk转utf-8
def gbk2utf8(self,raw):
rs=raw.encode('raw_unicode_escape') #转为机器识别字符串
s=repr(rs)
ss=unicode(eval(s),"gbk") #gbk解码为unicode
utf8_str=ss.encode('utf-8') #unicode编码为utf-8
return utf8_str