utf-8 网址

url_s = '%E4%B8%AD%E5%9B%BD%E4%BA%BA'  #URL中被编码的部分
s = url_s.replace('%',r'\x')
b = eval('b' + '\'' + s + '\'')#注意这里用的单引号
print(s)
print(b)
print(type(s))
print(type(b))
print(b.decode('utf-8'))