基于websocket的网页即时通讯(可传附件图片涂鸦、最小化状态通知).NET,winform客户端、服务端
公司网站需要即时通讯,就研究了下
主要以下功能:
websocket通讯,网页端即时通讯,可以发送表情,可以发送附件,可以涂鸦,可以实现客服一对多聊天,winform做服务端负责收发,notification提醒,
一番百度下来发现websocket做客户端+superwebsocket服务端比较靠谱
又想最小化无法发现消息,加了notification(localhost可以但是域名需要https,呵呵哒)
想着干脆做个winform客户端接收提醒?似乎superwebsocket支持的不好
或者存数据库,独立winform socket处理?
先上图?:
下午又完善了聊天窗口,以及用&拆分不太合适,改用“|”分割
今天有空又更新了,winform客户端上线,BS2CS
20180521更新
优化界面显示、实现客服单对多会话检测、创建
客服winform暂时放弃,会话在数据库保存、附件在服务器保存需要另外指定具体删除规则(两日一次之类)
目前为止实验阶段,为达目的不择手段,代码乱是可以想见的,后面会整理
以下思路:
1.SuperWebSocket做服务端监听并转发
①.NuGet安装SuperWebSocket
②.NuGet安装log4net
using System;
using System.Configuration;
using SuperWebSocket;
using System.Windows.Forms;
using System.Collections.Generic;
namespace cmd
{
class socketServer_d
{
private const string ip = "192.168.1.72";
private const int port = 2018;
private static WebSocketServer ws = null;
private static TextBox textBox;
private static Dictionary<string, WebSocketSession> sessions = new Dictionary<string, WebSocketSession>();//记住所有会话
public socketServer_d(TextBox t){
textBox = t;
ws = new WebSocketServer();//实例化WebSocketServer
ws.NewSessionConnected += ws_NewSessionConnected;//有新会话握手并连接成功
ws.SessionClosed += ws_SessionClosed;//有会话被关闭 可能是服务端关闭 也可能是客户端关闭
ws.NewMessageReceived += ws_NewMessageReceived;//有客户端发送新的消息
Start();
}
static void ws_NewSessionConnected(WebSocketSession session)
{
textBox.AppendText(DateTime.Now + " 与客户端:" + session.RemoteEndPoint.Address + "创建新会话\r\n");
}
static void ws_SessionClosed(WebSocketSession session, SuperSocket.SocketBase.CloseReason value)
{
foreach (string item in sessions.Keys)
{
if (sessions[item] == session) {
sessions.Remove(item);
}
}
textBox.AppendText(DateTime.Now + " 与客户端:" + session.RemoteEndPoint.Address + "的会话被关闭 原因:" + value + "\r\n");
}
static void ws_NewMessageReceived(WebSocketSession session, string value)
{
var msg = string.Format("{0:HH:MM:ss} {1}: {2}", DateTime.Now, session.RemoteEndPoint.Address, value)+ "\r\n";
textBox.AppendText(msg+"\r\n");
//确认连接是否成功
if (value.StartsWith("try_connect"))
{
string from = value.Split('&')[1].Split('=')[1];
string to = value.Split('&')[2].Split('=')[1];
if (from == "" )
{
session.Send("-1");
return;
}
sessions.Add(from, session);//记录会话☆
session.Send("1");
return;
}
//返回给客户端 客户端接收xx.data就可以了
string message = "";//0未收到,1确认连接,2消息发送
try
{
if (string.IsNullOrEmpty(value))
{
session.Send("0");
return;
}
else
{
//解析消息
if (value.StartsWith("msg_send"))
{
string from = value.Split('&')[1].Split('=')[1];
string to = value.Split('&')[2].Split('=')[1];
string text = value.Split('&')[3].Substring(5, value.Split('&')[3].Length-5);
if (from == "" || to == "")
{
session.Send("-1");
return;
}
else
{
WebSocketSession session_rec = sessions[to];
if (session_rec==null)
{
session.Send("-1");
return;
}
else
{
session_rec.Send("server_conversation&from="+from+"&text="+text);
}
}
sessions.Add(from, session);//记录会话☆
session.Send("1");
return;
}
message = "2";
}
}
catch (Exception ex)
{
message = ex.Message;
}
if (!string.IsNullOrEmpty(message))
{
//发送消息到指定对象(socket会话)
session.Send(message);
}
}
/// <summary>
/// 启动服务
/// </summary>
/// <returns></returns>
public static void Start()
{
if (!ws.Setup(ip, port))
{
textBox.AppendText("WebSocketServer 设置WebSocket服务侦听地址失败" + "\r\n");
return;
}
if (!ws.Start())
{
textBox.AppendText("WebSocketServer 启动WebSocket服务侦听失败" + "\r\n");
return;
}
textBox.AppendText("WebSocketServer 启动服务成功" + "\r\n");
}
/// <summary>
/// 停止侦听服务
/// </summary>
public static void Stop()
{
if (ws != null)
{
ws.Stop();
}
}
}
}
自己定了个简单的发送接收规则(说起来就是协议原形吧),代码有点乱,服务端基于收发规则、会话管理其实应该抽出一个管理Class,客户端亦可,我笨就不搞了,你们来吧。
1.WebSocket客户端
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebSocket</title>
<%-- UeDITOR --%>
<script type="text/javascript" charset="gbk" src="js/ueditor.config.js"></script>
<script type="text/javascript" charset="gbk" src="js/ueditor.all.min.js"> </script>
<!--建议手动加在语言,避免在ie下有时因为加载语言失败导致编辑器加载失败-->
<!--这里加载的语言文件会覆盖你在配置项目里添加的语言类型,比如你在配置项目里配置的是英文,这里加载的中文,那最后就是中文-->
<script type="text/javascript" charset="gbk" src="js/lang/zh-cn/zh-cn.js"></script>
<script type="text/javascript">
// 打开一个 web socket
var ws ;
window.onload = function () {
// 获得通知权限
Notification.requestPermission();
WebSocketTest();
}
function WebSocketTest() {
ws = new WebSocket("ws://192.168.1.72:2018");
var ifconnected = false;
if ("WebSocket" in window) {
//alert("您的浏览器支持 WebSocket!");
ws.onopen = function () {
// Web Socket 已连接上,使用 send() 方法发送数据
ws.send("try_connect&from=<%=from%>&to=<%=to%>");
};
ws.onmessage = function (evt) {
var received_msg = evt.data;
if (received_msg=="1") {
ifconnected = true;
document.getElementById("d_con").style.backgroundColor = "green";
} else {
if (received_msg.split("&")[0] == "server_conversation") {
document.getElementById("d_con").style.backgroundColor = "green";
//页面显示
document.getElementById("d_ul").innerHTML = document.getElementById("d_ul").innerHTML + "<li style='color:red'>" + received_msg.split("&")[1].split("=")[1] + ":" + received_msg.split("&")[2].substring(5) + "</li>"
//弹窗
NoticeWindow(received_msg.split("&")[1].split("=")[1], received_msg.split("&")[2].split("=")[1]);
}
}
};
ws.onclose = function () {
// 关闭 websocket
ifconnected = false;
document.getElementById("d_con").style.backgroundColor = "red";
};
}
else {
// 浏览器不支持 WebSocket
document.getElementById("d_con").style.backgroundColor = "red";
ifconnected = false;
}
}
//发送消息
function sendMsg() {
//取值
var from = document.getElementById("d_from").value;
var text = UE.getEditor('d_text').getContent();
//清空输入
UE.getEditor('d_text').setContent('');
var to = document.getElementById("d_to").value;
//alert(text)
document.getElementById("d_ul").innerHTML = document.getElementById("d_ul").innerHTML + "<li style='color:green'>"+from+":" + text + "</li>"
var tranStr = "msg_send&from=" + from + "&to=" + to + "&text=" + text;
ws.send(tranStr);
}
function NoticeWindow(from,msg) {
new Notification(from+":", {
body: msg+"<div style='width:100px;height:100px;border-radius:50px;background-color:red'></div>",
icon: 'https://avatars6.githubusercontent.com/u/496048?v=4&s=460'
});
}
function HTMLEncode(html) {
var temp = document.createElement("div");
(temp.textContent != null) ? (temp.textContent = html) : (temp.innerText = html);
var output = temp.innerHTML;
temp = null;
return output;
}
</script>
</head>
<body>
<form runat="server">
<div id="sse">
链接状态:<p id="d_con" style="width:10px;height:10px;background-color:gray;border-radius:5px"></p>
<table>
<tr><td>编 号:</td><td><input runat="server" type="text" id="d_from" /></td></tr>
<tr>
<td>
内 容:
</td>
<td>
<script id="d_text" type="text/plain" style="width:380px;height:300px;"></script>
</td>
</tr>
<tr><td>接受编号:</td><td><input runat="server" type="text" id="d_to" /></td></tr>
<tr>
<td colspan="2"><a href="javascript:sendMsg()">发送</a></td>
</tr>
</table>
<ul id="d_ul">
</ul>
</div>
<button id="button">
弹窗
</button>
</form>
</body>
<script type="text/javascript">
//实例化编辑器
//建议使用工厂方法getEditor创建和引用编辑器实例,如果在某个闭包下引用该编辑器,直接调用UE.getEditor('editor')就能拿到相关的实例
var ue = UE.getEditor('d_text');
</script>
</html>
编辑内容通过UEditor(自带表情、涂鸦、附件简直无敌好吗)
注意点:socket不能走80端口具体多少范围我也不研究了
下载链接:点击打开链接
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