python2 python3 编码与解码实例讲解

str='hello world'
gbk_to_unicode=str.decode('gbk')#将gbk解码为unicode
print(gbk_to_unicode)
unicode_to_utf-8=gbk_to_unicode.encode('utf-8')#将unicode编码为utf-8
print(unicode_to_utf-8)

str='hello world'
unicode_to_gbk=str.encode('gbk')
print(unicode_to_gbk)#此处输出为byte类型的gbk编码的内容，即在编码的同时将字符串转换成了byte类型
gbk_to_utf-8=unicode_to_gbk.decode('utf-8')#此处在解码的同时将byte转换成了字符串
print(gbk_to_utf-8)