字符编码
1 msg = "一二三四" 2 a = msg.encode(encoding="utf-8") 3 b = msg.encode(encoding="utf-8").decode(encoding="utf-8") 4 5 print(msg) 6 print(a) 7 print(b)
输出结果：
1 一二三四 2 b'\xe4\xb8\x80\xe4\xba\x8c\xe4\xb8\x89\xe5\x9b\x9b' 3 一二三四
详细参考文章：http://www.cnblogs.com/alex3714/articles/7550940.html
