【GO】13.Iris WebSocket 实例

• iris websocket服务端

package main

import (
	"fmt"

	"github.com/kataras/iris"
	"github.com/kataras/iris/websocket"
)

func main() {
	app := iris.New()

	app.Get("/", func(ctx iris.Context) {
		ctx.ServeFile("websockets.html", false) // second parameter: enable gzip?
	})

	setupWebsocket(app)

	// x2
	// http://localhost:8080
	// http://localhost:8080
	// write something, press submit, see the result.
	app.Run(iris.Addr(":8080"))
}

func setupWebsocket(app *iris.Application) {
	// create our echo websocket server
	ws := websocket.New(websocket.Config{
		ReadBufferSize:  1024,
		WriteBufferSize: 1024,
	})
	ws.OnConnection(handleConnection)

	// register the server on an endpoint.
	// see the inline javascript code in the websockets.html,
	// this endpoint is used to connect to the server.
	app.Get("/echo", ws.Handler())
	// serve the javascript built'n client-side library,
	// see websockets.html script tags, this path is used.
	app.Any("/iris-ws.js", websocket.ClientHandler())
}

func handleConnection(c websocket.Connection) {
	// Read events from browser
	c.On("chat", func(msg string) {
		// Print the message to the console, c.Context() is the iris's http context.
		fmt.Printf("%s sent: %s\n", c.Context().RemoteAddr(), msg)
		// Write message back to the client message owner with:
		// c.Emit("chat", msg)
		// Write message to all except this client with:
		c.To(websocket.Broadcast).Emit("chat", msg)
	})
}

• 客户端html页面websockets.html

Send

• 启动服务端后，打开三个localhost:8080页面

1号页面输入我是1号

2号页面输入我是2号

3号页面输入我是3号

三个页面分别显示如下：

代码来自官方https://github.com/kataras/iris