基于echo的ws实现

README.md

@@ -1,43 +0,0 @@
-##　API URL
-```
-http://127.0.0.1:1323/textserver
-```
-##　RequestData
-```
-{
-	"Urls": [{
-		"url": "https://www.github.com/"
-	}, {
-		"url": "http://127.0.0.1"
-	}, {
-		"url": "https://www.github.com/"
-	}]
-}
-```
-
-## ReturnData
-```
-{
-    "code": 200,
-    "message": "",
-    "data": {
-        "items": [
-            {
-                "code": 200,
-                "time": 36,
-                "url": "http://127.0.0.1"
-            },
-            {
-                "code": 200,
-                "time": 991,
-                "url": "https://www.github.com/"
-            },
-            {
-                "code": 200,
-                "time": 994,
-                "url": "https://www.github.com/"
-            }
-        ]
-    }
-}
-```

go.mod

@@ -4,11 +4,12 @@ go 1.16
 
 require (
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
+	github.com/gorilla/websocket v1.5.0
 	github.com/howeyc/fsnotify v0.9.0 // indirect
 	github.com/idoubi/goutils v1.3.2 // indirect
-	github.com/idoubi/goz v1.4.4
+	github.com/idoubi/goz v1.4.4 // indirect
 	github.com/labstack/echo v3.3.10+incompatible
-	github.com/labstack/echo/v4 v4.10.2
+	github.com/labstack/echo/v4 v4.10.2 // indirect
 	github.com/pilu/config v0.0.0-20131214182432-3eb99e6c0b9a // indirect
 	github.com/pilu/fresh v0.0.0-20190826141211-0fa698148017 // indirect
 	golang.org/x/net v0.8.0 // indirect

go.sum

@@ -13,6 +13,8 @@ github.com/golang-jwt/jwt v3.2.2+incompatible h1:IfV12K8xAKAnZqdXVzCZ+TOjboZ2keL
 github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I=
 github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
+github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/howeyc/fsnotify v0.9.0 h1:0gtV5JmOKH4A8SsFxG2BczSeXWWPvcMT0euZt5gDAxY=
 github.com/howeyc/fsnotify v0.9.0/go.mod h1:41HzSPxBGeFRQKEEwgh49TRw/nKBsYZ2cF1OzPjSJsA=
 github.com/idoubi/goutils v1.1.0/go.mod h1:BVikG2hf3aDWXsBzBw3X7l4jSuuxNQQVgrxQ6amIAOk=

main.go

@@ -1,98 +1,49 @@
-/*
- * @Author: giaogiao giaogiao
- * @Date: 2023-08-07 09:56:42
- * @LastEditors: giaogiao giaogiao
- * @LastEditTime: 2023-08-07 11:54:17
- * @FilePath: \go_echo\main.go
- * @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
- */
 package main
 
 import (
+	"fmt"
 	"net/http"
-	"sync"
-	"time"
+	"strconv"
 
-	"github.com/idoubi/goz"
 	"github.com/labstack/echo/v4"
 	"github.com/labstack/echo/v4/middleware"
+	"golang.org/x/net/websocket"
 )
 
-type TheServerReturns struct {
-	Code    int    `json:"code"`
-	Message string `json:"message"`
-	Data    Data   `json:"data"`
+func ws(c echo.Context) error {
+	websocket.Handler(server).ServeHTTP(c.Response(), c.Request())
+	return nil
 }
-type Items struct {
-	Code int    `json:"code"`
-	Time int    `json:"time"`
-	URL  string `json:"url"`
-}
-type Data struct {
-	Items []Items `json:"items"`
+func add(c echo.Context) error {
+	tip_number++
+	return c.String(http.StatusOK, strconv.Itoa(tip_number))
 }
 
-type ServerAccept struct {
-	Urls []Urls `json:"urls"`
-}
-type Urls struct {
-	URL string `json:"url"`
+func server(ws *websocket.Conn) {
+	defer ws.Close()
+	fmt.Printf("new connection\n")
+	for {
+		if tip_number == 0 {
+			continue
+		}
+		var strr string = strconv.Itoa(tip_number)
+		err := websocket.Message.Send(ws, strr)
+		if err != nil {
+			fmt.Print(err)
+		}
+		tip_number = 0
+	}
+
 }
 
+var tip_number int = 0
+
 func main() {
 	e := echo.New()
-	e.Use(middleware.CORSWithConfig(middleware.CORSConfig{AllowOrigins: []string{"*"}, AllowMethods: []string{echo.GET, echo.HEAD, echo.PUT, echo.PATCH, echo.POST, echo.DELETE}}))
-	e.GET("/", func(c echo.Context) error {
-		return c.String(http.StatusOK, "Hello, World!")
-	})
-	e.POST("/textserver", textserver)
+	e.Use(middleware.Logger())
+	e.Use(middleware.Recover())
+	e.Static("/", "./public")
+	e.GET("/ws", ws)
+	e.GET("/add", add)
 	e.Logger.Fatal(e.Start(":1323"))
 }
-
-func textserver(c echo.Context) error {
-
-	// 初始化接收json参数的对象
-	u := new(ServerAccept)
-	// 通过Bind将json参数绑定到struct对象
-	if err := c.Bind(u); err != nil {
-		return err
-	}
-	// 通过结构体对象就可以访问json参数
-	json := new(TheServerReturns)
-	json.Code = http.StatusOK
-	var wg sync.WaitGroup
-	wg.Add(len(u.Urls))
-
-	for _, url := range u.Urls {
-		item := new(Items)
-		go text_url2(json, url.URL, item, wg.Done)
-	}
-
-	wg.Wait()
-	return c.JSON(http.StatusOK, json)
-}
-
-func text_url2(json *TheServerReturns, url string, item *Items, done func()) int {
-	defer done()
-	// item := new(Items)
-	item.URL = url
-
-	start := time.Now().UnixMilli()
-	cli := goz.NewClient(goz.Options{
-		Timeout: 2,
-	})
-
-	resp, err := cli.Get(url)
-	if err != nil {
-		if resp.IsTimeout() {
-			item.Code = -1
-			item.Time = -1
-			return 0
-		}
-	}
-	elapsed := time.Now().UnixMilli() - start
-	item.Code = resp.GetStatusCode()
-	item.Time = int(elapsed)
-	json.Data.Items = append(json.Data.Items, *item)
-	return 0
-}

public/index.html

@@ -0,0 +1,39 @@
+<!doctype html>
+<html lang="en">
+
+<head>
+  <meta charset="utf-8">
+  <title>WebSocket</title>
+</head>
+
+<body>
+  <p id="output"></p>
+
+  <script>
+    var loc = window.location;
+    var uri = 'ws:';
+
+    if (loc.protocol === 'https:') {
+      uri = 'wss:';
+    }
+    uri += '//' + loc.host;
+    uri += loc.pathname + 'ws';
+
+    ws = new WebSocket(uri)
+
+    ws.onopen = function() {
+      console.log('Connected')
+    }
+
+    ws.onmessage = function(evt) {
+      var out = document.getElementById('output');
+      out.innerHTML += evt.data + '<br>';
+    }
+
+    // setInterval(function() {
+    //   ws.send('Hello, Server!');
+    // }, 1000);
+  </script>
+</body>
+
+</html>