gin example

gin use cors

gin 框架解决跨域问题
how to fix cross domain in gin httpServer
https://github.com/liucxer/gin_example/tree/master/cors

gin use eventsource

gin 框架如何对接eventsource
how to use eventsource in gin httpServer
https://github.com/liucxer/gin_example/tree/master/sse