add echo example

9 years ago · d1854c24f0
3 changed files with 121 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -25,6 +25,7 @@ go get github.com/olahol/melody
 [![Chat](https://cdn.rawgit.com/olahol/melody/master/examples/chat/demo.gif "Demo")](https://github.com/olahol/melody/tree/master/examples/chat)
 Using [Gin](https://github.com/gin-gonic/gin):
 ```go
 package main
@ -54,6 +55,43 @@ func main() {
 }
 ```
 Using [Echo](https://github.com/labstack/echo):
 ```go
 package main
 import (
 	"github.com/labstack/echo"
 	"github.com/labstack/echo/engine/standard"
 	"github.com/labstack/echo/middleware"
 	"github.com/olahol/melody"
 	"net/http"
 )
 func main() {
 	e := echo.New()
 	m := melody.New()
 	e.Use(middleware.Logger())
 	e.Use(middleware.Recover())
 	e.GET("/", func(c echo.Context) error {
 		http.ServeFile(c.Response().(*standard.Response).ResponseWriter, c.Request().(*standard.Request).Request, "index.html")
 		return nil
 	})
 	e.GET("/ws", func(c echo.Context) error {
 		m.HandleRequest(c.Response().(*standard.Response).ResponseWriter, c.Request().(*standard.Request).Request)
 		return nil
 	})
 	m.HandleMessage(func(s *melody.Session, msg []byte) {
 		m.Broadcast(msg)
 	})
 	e.Run(standard.New(":5000"))
 }
 ```
 ## [Example: gophers](https://github.com/olahol/melody/tree/master/examples/gophers)
 [![Gophers](https://cdn.rawgit.com/olahol/melody/master/examples/gophers/demo.gif "Demo")](https://github.com/olahol/melody/tree/master/examples/gophers)
--- a/examples/chat-echo/index.html
+++ b/examples/chat-echo/index.html
@ -0,0 +1,50 @@
 <html>
  <head>
    <title>Melody example: chatting</title>
  </head>
  <style>
    #chat {
      text-align: left;
      background: #f1f1f1;
      width: 500px;
      min-height: 300px;
      padding: 20px;
    }
  </style>
  <body>
    <center>
      <h3>Chat</h3>
      <pre id="chat"></pre>
      <input placeholder="say something" id="text" type="text">
    </center>
    <script>
      var url = "ws://" + window.location.host + "/ws";
      var ws = new WebSocket(url);
      var name = "Guest" + Math.floor(Math.random() * 1000);
      var chat = document.getElementById("chat");
      var text = document.getElementById("text");
      var now = function () {
        var iso = new Date().toISOString();
        return iso.split("T")[1].split(".")[0];
      };
      ws.onmessage = function (msg) {
        var line =  now() + " " + msg.data + "\n";
        chat.innerText += line;
      };
      text.onkeydown = function (e) {
        if (e.keyCode === 13 && text.value !== "") {
          ws.send("<" + name + "> " + text.value);
          text.value = "";
        }
      };
    </script>
  </body>
 </html>
--- a/examples/chat-echo/main.go
+++ b/examples/chat-echo/main.go
@ -0,0 +1,33 @@
 package main
 import (
 	"github.com/labstack/echo"
 	"github.com/labstack/echo/engine/standard"
 	"github.com/labstack/echo/middleware"
 	"github.com/olahol/melody"
 	"net/http"
 )
 func main() {
 	e := echo.New()
 	m := melody.New()
 	e.Use(middleware.Logger())
 	e.Use(middleware.Recover())
 	e.GET("/", func(c echo.Context) error {
 		http.ServeFile(c.Response().(*standard.Response).ResponseWriter, c.Request().(*standard.Request).Request, "index.html")
 		return nil
 	})
 	e.GET("/ws", func(c echo.Context) error {
 		m.HandleRequest(c.Response().(*standard.Response).ResponseWriter, c.Request().(*standard.Request).Request)
 		return nil
 	})
 	m.HandleMessage(func(s *melody.Session, msg []byte) {
 		m.Broadcast(msg)
 	})
 	e.Run(standard.New(":5000"))
 }