在gin框架下使用websocket,如果是跨域请求的时候会报这个错误
request origin not allowed by Upgrader.CheckOrigin
使用的websocket库是 "github.com/gorilla/websocket"
upgrader = websocket.Upgrader{ ReadBufferSize: 1024,WriteBufferSize: // 解决跨域问题 CheckOrigin: func(r *http.Request) bool { return true },}
