unicode 转换 -- python

str = u'上海'

uni = str.encode('unicode-escape')

uni
Out[55]: b'\\u4e0a\\u6d77'

uni.decode()
Out[56]: '\\u4e0a\\u6d77'

print(uni)
b'\\u4e0a\\u6d77'

 

str = '\\u6bd5\\u8282\\u5730\\u533a'
str.encode('utf-8').decode('unicode_escape')