melody 优雅的websocket
最后更新于：2022-04-02 02:37:46
[TOC]
> [参考](https://github.com/olahol/melody)
## 概述
支持 gin ,echo
### 可以查看官方的demo
## demo
### 移动纸人
> [完整 demo](https://github.com/olahol/melody/tree/master/examples/gophers)
main.go
```
package main
import (
"github.com/gin-gonic/gin"
"gopkg.in/olahol/melody.v1"
"net/http"
"strconv"
"strings"
"sync"
)
type GopherInfo struct {
ID, X, Y string
}
func main() {
router := gin.Default()
mrouter := melody.New()
gophers := make(map[*melody.Session]*GopherInfo)
lock := new(sync.Mutex)
counter := 0
router.GET("/", func(c *gin.Context) {
http.ServeFile(c.Writer, c.Request, "index.html")
})
router.GET("/ws", func(c *gin.Context) {
mrouter.HandleRequest(c.Writer, c.Request)
})
mrouter.HandleConnect(func(s *melody.Session) {
lock.Lock()
for _, info := range gophers {
s.Write([]byte("set " + info.ID + " " + info.X + " " + info.Y))
}
gophers[s] = &GopherInfo{strconv.Itoa(counter), "0", "0"}
s.Write([]byte("iam " + gophers[s].ID))
counter += 1
lock.Unlock()
})
mrouter.HandleDisconnect(func(s *melody.Session) {
lock.Lock()
mrouter.BroadcastOthers([]byte("dis "+gophers[s].ID), s)
delete(gophers, s)
lock.Unlock()
})
mrouter.HandleMessage(func(s *melody.Session, msg []byte) {
p := strings.Split(string(msg), " ")
lock.Lock()
info := gophers[s]
if len(p) == 2 {
info.X = p[0]
info.Y = p[1]
mrouter.BroadcastOthers([]byte("set "+info.ID+" "+info.X+" "+info.Y), s)
}else if p[0]=="bui" {
mrouter.BroadcastOthers([]byte("bui "+p[1]+" "+p[2]), s)
}
lock.Unlock()
})
router.Run(":5000")
}
```
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