HTTP请求中Request Payload和Form Data的区别

最近研究HTTP请求中Request Payload和Form Data的区别，说实话我还没有理解，找了几篇文章先存在，有空我再理解

https://www.cnblogs.com/crazycode2/p/8988938.html

https://segmentfault.com/a/1190000018774494

https://www.lizenghai.com/archives/75667.html