url编码在线工具：
http://tool.chinaz.com/tools/urlencode.aspx
url编码：风景->%e9%a3%8e%e6%99%af
附HTTP请求过程：
https://blog.csdn.net/ailunlee/article/details/90600174?utm_medium=distribute.pc_relevant.none-task-blog-2~default~BlogCommendFromMachineLearnPai2~default-1.control&dist_request_id=&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2~default~BlogCommendFromMachineLearnPai2~default-1.control
