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Openfire jsjac构建webIM

javascriptOpenfirejsjacWebIM 
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   在上一篇文章中，我们已经介绍如何用Openfire和jwchat构建webIM，但是我在搭建的过程中，总是感觉用户在登陆的时候速度非常慢，而且后期维护不好做
   那么现在我在介绍一个比较简单的WebIM，在这个里面仅仅有几个简单的js，就可以完成和上面差不多的工作。
   界面如下：
  
   首先介绍一下项目的目录结构

  一、准备工作

jsjac JavaScript lib下载：http://download.csdn.net/detail/zwdsmileface/8595845

如果你不喜欢用jsjac JavaScript lib和Openfire通信，那么有一款jQuery的plugin可以供你使用，下载地址

jQuery-XMPP-plugin https://github.com/maxpowel/jQuery-XMPP-plugin

这里有所以能支持Openfire通信的第三方库，有兴趣的可以研究下 http://xmpp.org/xmpp-software/libraries/

jquery.easydrag 下载：http://fromvega.com/code/easydrag/jquery.easydrag.js

jquery 下载：http://code.jquery.com/jquery-1.7.1.min.js

JabberHTTPBind jhb.jar 下载：http://download.csdn.net/detail/ibm_hoojo/4489188

images 图片素材：http://download.csdn.net/detail/ibm_hoojo/4489439

二、核心代码演示

1、主界面（登陆、消息提示、日志、建立新聊天窗口）代码 index.jsp

<%@ page language="java" pageEncoding="UTF-8" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
   
    <title>WebIM Chat</title>
    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">   
    <meta http-equiv="author" content="hoojo">
    <meta http-equiv="email" content="hoojo_@126.com">
    <meta http-equiv="blog" content="http://blog.csdn.net/IBM_hoojo">
    <meta http-equiv="blog" content="http://hoojo.cnblogs.com">
    <link rel="stylesheet" type="text/css" href="css/chat-2.0.css" />
    <script type="text/javascript">
        window.contextPath = "<%=path%>";
        window["serverDomin"] = "192.168.8.22";
    </script>
    <script type="text/javascript" src="jslib/jquery-1.7.1.min.js"></script>
    <script type="text/javascript" src="jslib/jsjac.js"></script>
    <!-- script type="text/javascript" src="debugger/Debugger.js"></script-->
    <script type="text/javascript" src="jslib/send.message.editor-1.0.js"></script>
    <script type="text/javascript" src="jslib/jquery.easydrag.js"></script>
    <script type="text/javascript" src="jslib/remote.jsjac.chat-2.0.js"></script>
    <script type="text/javascript" src="jslib/local.chat-2.0.js"></script>
    <script type="text/javascript">
        $(function () {
           
            $("#login").click(function () {
                var userName = $(":text[name='userName']").val();
                var receiver = $("*[name='to']").val();
                // 建立一个聊天窗口应用，并设置发送者和消息接收者
                $.WebIM({
                    sender: userName,
                    receiver: receiver
                });
                // 登陆到openfire服务器
                 remote.jsjac.chat.login(document.userForm);
                 $("label").text(userName);
                 $("form").hide();
                 $("#newConn").show();
            });
           
            $("#logout").click(function () {
                 // 退出openfire登陆，断开链接
                 remote.jsjac.chat.logout();
                 $("form").show();
                 $("#newConn").hide();
                 $("#chat").hide(800);
            });
           
            $("#newSession").click(function () {
                var receiver = $("#sendTo").val();
                // 建立一个新聊天窗口，并设置消息接收者（发送给谁？）
                $.WebIM.newWebIM({
                    receiver: receiver
                });
            });
        });
    </script>
  </head>
 
  <body>
    <!-- 登陆表单 -->
    <form name="userForm" style="background-color: #fcfcfc; width: 100%;">
        userName：<input type="text" name="userName" value="boy"/>
        password：<input type="password" name="password" value="boy"/>
       
        register: <input type="checkbox" name="register"/>
        sendTo： <input type="text" id="to" name="to" value="hoojo" width="10"/>
        <input type="button" value="Login" id="login"/>
    </form>
    <!-- 新窗口聊天 -->
    <div id="newConn" style="display: none; background-color: #fcfcfc; width: 100%;">
           User：<label></label>
           sendTo： <input type="text" id="sendTo" value="hoojo" width="10"/>
           <input type="button" value="new Chat" id="newSession"/>
           <input type="button" value="Logout" id="logout"/>
    </div>
    <!-- 日志信息 -->
    <div id="error" style="display: ; background-color: red;"></div>
    <div id="info" style="display: ; background-color: #999999;"></div>
    <!-- 聊天来消息提示 -->
    <div class="chat-message">
        <img src="images/write_icon.png" class="no-msg"/>
        <img src="images/write_icon.gif" class="have-msg" style="display: none;"/>
    </div>
  </body>
</html>


下面这段代码尤为重要，它是设置你链接openfire的地址。这个地址一段错误你将无法进行通信！

<script type="text/javascript">
    window.contextPath = "<%=path%>";
    window["serverDomin"] = "192.168.8.22";
</script>
$.WebIM方法是主函数，用它可以覆盖local.chat中的基本配置，它可以完成聊天窗口的创建。$.WebIM.newWebIM方法是新创建一个窗口，只是消息的接收者是一个新用户。

$.WebIM({
    sender: userName,
    receiver: receiver
});

$.WebIM.newWebIM({
    receiver: receiver
});


remote.jsjac.chat.login(document.userForm);方法是用户登录到Openfire服务器

参数如下：

httpbase: window.contextPath + "/JHB/", //请求后台http-bind服务器url
domain: window["serverDomin"], //"192.168.5.231", // 192.168.5.231 当前有效域名
username: "", // 登录用户名
pass: "", // 密码
timerval: 2000, // 设置请求超时
resource: "WebIM", // 链接资源标识
register: true // 是否注册


remote.jsjac.chat.logout();是退出、断开openfire的链接



2、本地聊天应用核心代码 local.chat-2.0.js

/***
* jquery local chat
* @version v2.0
* @createDate -- 2012-5-28
* @author hoojo
* @email hoojo_@126.com
* @blog http://hoojo.cnblogs.com & http://blog.csdn.net/IBM_hoojo
* @requires jQuery v1.2.3 or later, send.message.editor-1.0.js
* Copyright (c) 2012 M. hoo
**/

;(function ($) {

    if (/1\.(0|1|2)\.(0|1|2)/.test($.fn.jquery) || /^1.1/.test($.fn.jquery)) {
        alert('WebIM requires jQuery v1.2.3 or later!  You are using v' + $.fn.jquery);
        return;
    }
   
    var faceTimed, count = 0;
   
    var _opts = defaultOptions = {
        version: 2.0,
        chat: "#chat",
        chatEl: function () {
            var $chat = _opts.chat;
            if ((typeof _opts.chat) == "string") {
                $chat = $(_opts.chat);
            } else if ((typeof _opts.chat) == "object") {
                if (!$chat.get(0)) {
                    $chat = $($chat);
                }
            }
            return $chat;
        },
        sendMessageIFrame: function (receiverId) {
            return $("iframe[name='sendMessage" + receiverId + "']").get(0).contentWindow;
        },
        receiveMessageDoc: function (receiverId) {
            receiverId = receiverId || "";
            var docs = [];
            $.each($("iframe[name^='receiveMessage" + receiverId + "']"), function () {
                docs.push($(this.contentWindow.document));
            });
            return docs;
            //return $($("iframe[name^='receiveMessage" + receiverId + "']").get(0).contentWindow.document);
        },
        sender: "", // 发送者
        receiver: "", // 接收者
        setTitle: function (chatEl) {
            var receiver = this.getReceiver(chatEl);
            chatEl.find(".title").html("和" + receiver + "聊天对话中");
        },
        getReceiver: function (chatEl) {
            var receiver = chatEl.attr("receiver");
            if (~receiver.indexOf("@")) {
                receiver = receiver.split("@")[0];
            }
            return receiver;
        },
       
        // 接收消息iframe样式
        receiveStyle: [
            '<html>',
                '<head><style type="text/css">',
                'body{border:0;margin:0;padding:3px;height:98%;cursor:text;background-color:white;font-size:12px;font-family:Courier,serif,monospace;}',
                '.msg{margin-left: 1em;}p{margin:0;padding:0;}.me{color: blue;}.you{color:green;}',
                '</style></head>',
                '<body></body>',
            '</html>'
        ].join(""),
        writeReceiveStyle: function (receiverId) {
            this.receiveMessageDoc(receiverId)[0].get(0).write(this.receiveStyle);
        },
       
        datetimeFormat: function (v) {
            if (~~v < 10) {
                return "0" + v;
            }
            return v;
        },
        getDatetime: function () {
            // 设置当前发送日前
            var date = new Date();
            var datetime = date.getFullYear() + "-" + date.getMonth() + "-" + date.getDate();
            datetime = " " + _opts.datetimeFormat(date.getHours())
                        + ":" + _opts.datetimeFormat(date.getMinutes())
                        + ":" + _opts.datetimeFormat(date.getSeconds());
            return datetime;
        },
       
        /***
         * 发送消息的格式模板                   
         * flag = true 表示当前user是自己，否则就是对方
         **/
        receiveMessageTpl: function (userName, styleTpl, content, flag) {
            var userCls = flag ? "me" : "you";
            if (styleTpl && flag) {
                content = [ "<span style='", styleTpl, "'>", content, "</span>" ].join("");
            }
            return [
                '',
                '<p class="msg">', content, ''
            ].join("");
        },
       
        // 工具类按钮触发事件返回html模板
        sendMessageStyle: {
             cssStyle: {
                 bold: "font-weight: bold;",
                 underline: "text-decoration: underline;",
                 italic: "font-style: oblique;"
             },
             setStyle: function (style, val) {
                 if (val) {
                     _opts.sendMessageStyle[style] = val;
                 } else {
                     var styleVal = _opts.sendMessageStyle[style];
                     if (styleVal === undefined || !styleVal) {
                         _opts.sendMessageStyle[style] = true;
                     } else {
                         _opts.sendMessageStyle[style] = false;
                     }
                 }
             },
             getStyleTpl: function () {
                 var tpl = "";
                 $.each(_opts.sendMessageStyle, function (style, item) {
                     //alert(style + "#" + item + "#" + (typeof item));
                     if (item === true) {
                         tpl += _opts.sendMessageStyle.cssStyle[style];
                     } else if ((typeof item) === "string") {
                         //alert(style + "-------------" + sendMessageStyle[style]);
                         tpl += style + ":" + item + ";";
                     }
                 });
                 return tpl;
             }
        },
        // 向接收消息iframe区域写消息
        writeReceiveMessage: function (receiverId, userName, content, flag) {
            if (content) {
                // 发送消息的样式
                var styleTpl = _opts.sendMessageStyle.getStyleTpl();
                var receiveMessageDoc = _opts.receiveMessageDoc(receiverId);
                $.each(receiveMessageDoc, function () {
                    var $body = this.find("body");
                    // 向接收信息区域写入发送的数据
                    $body.append(_opts.receiveMessageTpl(userName, styleTpl, content, flag));
                    // 滚动条滚到底部
                    this.scrollTop(this.height());
                });
            }
        },
        // 发送消息
        sendHandler: function ($chatMain) {
            var doc = $chatMain.find("iframe[name^='sendMessage']").get(0).contentWindow.document;
           
            var content = doc.body.innerHTML;
            content = $.trim(content);
            content = content.replace(new RegExp("<br>", "gm"), "");
            // 获取即将发送的内容
            if (content) {
                var sender = $chatMain.attr("sender");
                var receiverId = $chatMain.attr("id");
                // 接收区域写消息
                _opts.writeReceiveMessage(receiverId, sender, content, true);
               
                //############# XXX
                var receiver = $chatMain.find("#to").val();
                //var receiver = $chatMain.attr("receiver");
                // 判断是否是手机端会话，如果是就发送纯text，否则就发送html代码
                var flag = _opts.isMobileClient(receiver);
                if (flag) {
                    var text = $(doc.body).text();
                    text = $.trim(text);
                    if (text) {
                        // 远程发送消息
                        remote.jsjac.chat.sendMessage(text, receiver);
                    }
                } else { // 非手机端通信 可以发送html代码
                    var styleTpl = _opts.sendMessageStyle.getStyleTpl();
                    content = [ "<span style='", styleTpl, "'>", content, "</span>" ].join("");
                    remote.jsjac.chat.sendMessage(content, receiver);
                }
               
                // 清空发送区域
                $(doc).find("body").html("");
            }
        },
       
        faceImagePath: "images/emotions/",
        faceElTpl: function (i) {
            return [
                "<img src='",
                this.faceImagePath,
                (i - 1),
                "fixed.bmp' gif='",
                this.faceImagePath,
                (i - 1),
                ".gif'/>"
            ].join("");
        },
        // 创建表情html elements
        createFaceElement: function ($chat) {
            var faces = [];
            for (var i = 1; i < 100; i++) {
                 faces.push(this.faceElTpl(i));
                 if (i % 11 == 0) {
                     faces.push("<br/>");
                 }
            }
            $chat.find("#face").html(faces.join(""));
            this.faceHandler($chat);
        },
        // 插入表情
        faceHandler: function ($chat) {
            $chat.find("#face img").click(function () {
                 $chat.find("#face").hide(150);
                 var imgEL = "<img src='" + $(this).attr("gif") + "'/>";
                 var $chatMain = $(this).parents(".chat-main");
                 var win = $chatMain.find("iframe[name^='sendMessage']").get(0).contentWindow;
                 var doc = win.document;
                 sendMessageEditor.insertAtCursor(imgEL, doc, win);
            });
            // 表情隐藏
            $chat.find("#face, #face img").mouseover(function () {
                window.clearTimeout(faceTimed);
            }).mouseout(function () {
                window.clearTimeout(faceTimed);
                faceTimed = window.setTimeout(function () {
                    $chat.find("#face").hide(150);
                }, 700);
            });
        },
        /***
         * 发送消息工具栏按钮事件方法
         **/
        toolBarHandler: function () {
            var $chat = $(this).parents(".chat-main");
            var targetCls = $(this).attr("class");
            if (targetCls == "face") {
                $chat.find("#face").show(150);
                window.clearTimeout(faceTimed);
                faceTimed = window.setTimeout(function () {
                    $chat.find("#face").hide(150);
                }, 1000);
            } else if (this.tagName == "DIV") {
                _opts.sendMessageStyle.setStyle(targetCls);
            } else if (this.tagName == "SELECT") {
                _opts.sendMessageStyle.setStyle($(this).attr("name"), $(this).val());
                if ($(this).attr("name") == "color") {
                    $(this).css("background-color", $(this).val());
                }
            }
           
            // 设置sendMessage iframe的style css
            _opts.writeSendStyle();
        },
        // 设置sendMessage iframe的style css
        writeSendStyle: function () {
            var styleTpl = _opts.sendMessageStyle.getStyleTpl();
            var styleEL = ['<style type="text/css">body{', styleTpl,'}</style>'].join("");
           
            $("body").find("iframe[name^='sendMessage']").each(function () {
                var $head = $(this.contentWindow.document).find("head");
                if ($head.find("style").size() > 1) {
                    $head.find("style:gt(0)").remove();
                }
                if (styleTpl) {
                    $head.append(styleEL);
                }
            });
        },               
       
        isMobileClient: function (receiver) {
            var moblieClients = ["iphone", "ipad", "ipod", "wp7", "android", "blackberry", "Spark", "warning", "symbian"];
            var flag = false;
            for (var i in moblieClients) {
                if (~receiver.indexOf(moblieClients[i])) {
                    return true;
                }
            }
            return false;
        },

        // 聊天界面html元素
        chatLayoutTemplate: function (userJID, sender, receiver, product, flag) {
            var display = "";
            if (flag) {
                display = "style='display: none;'";
            }
            return [
            '<div class="chat-main" id="', userJID,
                '" sender="', sender, '" receiver="', receiver, '">',
                   
                '<div id="chat"><div class="radius">',
                    '<table>',
                        '<tr>',
                            '<td colspan="3" class="title"></td>',
                        '</tr>',
                        '<tr>',
                            '<td class="receive-message">',
                                '<iframe name="receiveMessage', userJID,'" frameborder="0" width="100%" height="100%"></iframe>',
                            '</td>',
                            '<td rowspan="4" class="split" ', display, '></td>',
                            '<td rowspan="4" class="product-info" ', display, '>',
                                '
    ',
                                        '<div class="header">商品详情</div>',
                                        '<li class="pic">',
                                        '<img src="', product.pic, '"/></li>',
                                        '<li class="product-name">', product.name, '</li>',
                                        '<li class="price">团购价：<span>', product.price, '</span>元</li>',
                                        '<li class="market-price">市场价：<s><i>', product.marketPrice, '</i></s>元</li>',
                                        '
  • 快递公司：', product.deliverOrgs, '
    • ',
                                        '
  • 仓库：', product.wareHouses, '
    • ',
                                        product.skuAttrs,
                                    '
',
                            '</td>',
                        '</tr>',
                        '<tr class="tool-bar">',
                            '<td>',
                                '<select name="font-family" class="family">',
                                    '<option>宋体</option>',
                                    '<option>黑体</option>',
                                    '<option>幼圆</option>',
                                    '<option>华文行楷</option>',
                                    '<option>华文楷体</option>',
                                    '<option>华文楷体</option>',
                                    '<option>华文彩云</option>',
                                    '<option>华文隶书</option>',
                                    '<option>微软雅黑</option>',
                                    '<option>Fixedsys</option>',
                                '</select>',
                               
                                '<select name="font-size">',
                                    '<option value="12px">大小</option>',
                                    '<option value="10px">10</option>',
                                    '<option value="12px">12</option>',
                                    '<option value="14px">14</option>',
                                    '<option value="16px">16</option>',
                                    '<option value="18px">18</option>',
                                    '<option value="20px">20</option>',
                                    '<option value="24px">24</option>',
                                    '<option value="28px">28</option>',
                                    '<option value="36px">36</option>',
                                    '<option value="42px">42</option>',
                                    '<option value="52px">52</option>',
                                '</select>',
                                '<select name="color">',
                                    '<option value="" selected="selected">颜色</option>',
                                    '<option value="#000000" style="background-color:#000000"></option>',
                                    '<option value="#FFFFFF" style="background-color:#FFFFFF"></option>',
                                    '<option value="#008000" style="background-color:#008000"></option>',
                                    '<option value="#800000" style="background-color:#800000"></option>',
                                    '<option value="#808000" style="background-color:#808000"></option>',
                                    '<option value="#000080" style="background-color:#000080"></option>',
                                    '<option value="#800080" style="background-color:#800080"></option>',
                                    '<option value="#808080" style="background-color:#808080"></option>',
                                    '<option value="#FFFF00" style="background-color:#FFFF00"></option>',
                                    '<option value="#00FF00" style="background-color:#00FF00"></option>',
                                    '<option value="#00FFFF" style="background-color:#00FFFF"></option>',
                                    '<option value="#FF00FF" style="background-color:#FF00FF"></option>',
                                    '<option value="#FF0000" style="background-color:#FF0000"></option>',
                                    '<option value="#0000FF" style="background-color:#0000FF"></option>',
                                    '<option value="#008080" style="background-color:#008080"></option>',
                                '</select>',
                                '<div class="bold"></div>',
                                '<div class="underline"></div>',
                                '<div class="italic"></div>',
                                '<div class="face"></div>',
                                '<div class="history">消息记录</div>',
                            '</td>',
                        '</tr>',
                        '<tr class="send-message">',
                            '<td>',
                                '<iframe name="sendMessage', userJID,'" width="100%" height="80px" frameborder="0"></iframe>',
                            '</td>',
                        '</tr>',
                        '<tr class="bottom-bar">',
                            '<td><input type="text" id="to" name="to" value="hoojo" style="width: 100px; display: none;"/><input type="button" value="关闭" id="close"/>',
                            '<input type="button" value="发送(Enter)" id="send"/> </td>',
                        '</tr>',
                    '</table></div>',
                    '<div id="face"></div>',
                '</div>',
            '</div>'
            ].join("");
        },
       
        initWebIM: function (userJID, receiver) {
            var product = {
                name: "小玩熊",
                pic: "http://avatar.csdn.net/9/7/A/2_ibm_hoojo.jpg",
                price: "198.00",
                marketPrice: "899.90",
                deliverOrgs: "EMS",
                wareHouses: "A库",
                skuAttrs: ""
            };
            var chatEl = $(_opts.chatLayoutTemplate(userJID, _opts.sender, receiver, product));
            $("body").append(chatEl);                       
           
            // 拖拽
            $("#" + userJID).easydrag();
            // 初始化sendMessageEditor相关信息
            sendMessageEditor.iframe = this.sendMessageIFrame(userJID);
            sendMessageEditor.init(userJID);   
           
            _opts.setTitle(chatEl);
            _opts.writeReceiveStyle(userJID);
            _opts.writeSendStyle();
            _opts.createFaceElement(chatEl);
           
            // 查看更多详情
            chatEl.find(".more").click(function () {
                var $ul = $(this).parents("ul");
                $ul.find(".more").toggle();
                $ul.find(".info").toggle();
                $ul.find(".pic").toggle();
            });
           
            // 收缩详情
            chatEl.find(".split").toggle(function () {
                $(".product-info").hide();
                $(this).parents(".radius").css("border-right-width", "0");
            }, function () {
                $(".product-info").show();
                $(this).parents(".radius").css("border-right-width", "8px");
            });
           
            // 工具类绑定事件 settings.toolBarHandler
            chatEl.find(".tool-bar td").children().click(this.toolBarHandler);
             chatEl.find("#send").click(function () {
                 var $chatMain = $(this).parents(".chat-main");
                _opts.sendHandler($chatMain);
             });
             chatEl.find("#close").click(function () {
                 var $chatMain = $(this).parents(".chat-main");
                $chatMain.hide(500);
             });
            
             // 首先取消事件绑定，当一次性发多条消息的情况下会同时绑定多个相同事件
            $(".have-msg, .no-msg, .chat-main").unbind("click");
             $(".have-msg").bind("click", function () {
                $(this).hide();
                $(".no-msg").show();
                $(".chat-main:hidden").show(150);
            });
           
            $(".no-msg").click(function () {
                $(".chat-main:hidden").each(function (i, item) {
                    var top = i * 10 + 50;
                    var left = i * 20 + 50;
                    $(this).show(500).css({top: top, left: left});
                });
            });
           
            $(".chat-main").click(function () {
                $(".chat-main").css("z-index", 9999);
                $(this).css({"z-index": 10000});
            });
            
             $(this.sendMessageIFrame(userJID).document).keyup(function (event) {
                 var e = event || window.event;
                 var keyCode = e.which || e.keyCode;
                 if (keyCode == 13) {
                     var $chatMain = $("#" + $(this).find("body").attr("jid"));
                     _opts.sendHandler($chatMain);
                 }
             });
        },
       
        // 建立新聊天窗口
        newWebIM: function (settings) {
            var chatUser = remote.userAddress(settings.receiver);
            var userJID = "u" + hex_md5(chatUser);
            _opts.initWebIM(userJID, chatUser);
           
            $("#" + userJID).find(remote.receiver).val(chatUser);
            $("#" + userJID).show(220);
        },
       
        // 远程发送消息时执行函数
        messageHandler: function (user, content) {
            var userName = user.split("@")[0];
            var tempUser = user;
            if (~tempUser.indexOf("/")) {
                tempUser = tempUser.substr(0, tempUser.indexOf("/"));
            }
            var userJID = "u" + hex_md5(tempUser);
           
            // 首次初始webIM
            if (!$("#" + userJID).get(0)) {
                // 初始IM面板；
                _opts.initWebIM(userJID, user);
            }
            // 设置消息接受者的名称
            $("#" + userJID).find(remote.receiver).val(user);
           
            if ($("#" + userJID).get(0)) {
                // 消息提示
                if ($("div[id='" + userJID + "']:hidden").get(0)) {
                    var haveMessage = $(".have-msg");
                    haveMessage.show();
                    $(".no-msg").hide();
                }
               
                _opts.messageTip("闪聊有了新消息，请查收！");
                // 向chat接收信息区域写消息
                remote.jsjac.chat.writeMessage(userJID, userName, content);
            }
        },
       
        // 消息提示
        messageTip: function () {
            if (count % 2 == 0) {
                window.focus();
                document.title = "你来了新消息，请查收！";
            } else {
                document.title = "";               
            }
            if (count > 4) {
                document.title = "";   
                count = 0;           
            } else {
                window.setTimeout(_opts.messageTip, 1000);
                count ++;
            }
        }
    };
   
    // 初始化远程聊天程序相关方法
    var initRemoteIM = function (settings) {
       
        // 初始化远程消息
        remote.jsjac.chat.init();
       
        // 设置客户端写入信息方法
        remote.jsjac.chat.writeReceiveMessage = settings.writeReceiveMessage;
       
        // 注册事件
        $(window).bind({
             unload: remote.jsjac.chat.unloadHandler,
             error: remote.jsjac.chat.errorHandler,
             beforeunload: remote.jsjac.chat.logout
        });
    }
   
    $.extend({
        WebIM: function (opts) {
            opts = opts || {};
            // 覆盖默认配置
            defaultOptions = $.extend(defaultOptions, defaultOptions, opts);
            var settings = $.extend({}, defaultOptions, opts);   
            initRemoteIM(settings);
           
            settings.newWebIM(settings);
           
            $.WebIM.settings = settings;
        }
    });
   
    $.WebIM.settings = $.WebIM.settings || _opts;
    $.WebIM.initWebIM = _opts.initWebIM;
    $.WebIM.newWebIM = _opts.newWebIM;
    $.WebIM.messageHandler = _opts.messageHandler;
   
})(jQuery);
这里的方法基本上是聊天窗口上的应用，主要是本地聊天程序的js、HTML元素的操作。如字体、字体大小、颜色、表情、消息的发送等，不涉及到聊天消息发送的核心代码，其中有用到发送远程消息的方法。

remote.jsjac.chat.sendMessage(text, receiver); 这个是发送远程消息的方法，参数1是消息内容、参数2是消息的接收者

如果你有看到这篇文章http://www.cnblogs.com/hoojo/archive/2012/06/18/2553886.html 它是一个单纯的WebIM本地的聊天界面。



3、远程聊天JavaScript核心代码，它是和jsjac库关联的。

remote.jsjac.chat-2.0.js

/**
* IM chat jsjac remote message
* @author: hoojo
* @email: hoojo_@126.com
* @blog http://hoojo.cnblogs.com & http://blog.csdn.net/IBM_hoojo
* @createDate: 2012-5-24
* @version 2.0
* @requires jQuery v1.2.3 or later
* Copyright (c) 2012 M. hoo
**/

var remote = {
    debug: "info, error",
    chat: "body",
    receiver: "#to", // 接受者jquery expression
    console: {
        errorEL: function () {
            if ($(remote.chat).get(0)) {
                return $(remote.chat).find("#error");
            } else {
                return $("body").find("#error");
            }
        },
        infoEL: function () {
            if ($(remote.chat).get(0)) {
                return $(remote.chat).find("#info");
            } else {
                return $("body").find("#info");
            }
        },
        // debug info
        info: function (html) {
            if (~remote.debug.indexOf("info")) {
                remote.console.infoEL().append(html);
                remote.console.infoEL().get(0).lastChild.scrollIntoView();
            }
        },
        // debug error
        error: function (html) {
            if (~remote.debug.indexOf("error")) {
                remote.console.errorEL().append(html);
            }
        },
        // clear info/debug console
        clear: function (s) {
            if ("debug" == s) {
                remote.console.errorEL().html("");
            } else {
                remote.console.infoEL().html("");
            }
        }
    },
   
    userAddress: function (user) {
        if (user) {
            if (!~user.indexOf("@")) {
                user += "@" + remote.jsjac.domain;// + "/" + remote.jsjac.resource;
            } else if (~user.indexOf("/")) {
                user = user.substr(0, user.indexOf("/"));
            }
        }
        return user;
    },
    jsjac: {
        httpbase: window.contextPath + "/JHB/", //请求后台http-bind服务器url
        domain: window["serverDomin"], //"192.168.5.231", // 192.168.5.231 当前有效域名
        username: "",
        pass: "",
        timerval: 2000, // 设置请求超时
        resource: "WebIM", // 链接资源标识
        register: true // 是否注册
    }
};
remote.jsjac.chat = {
    writeReceiveMessage: function () {
    },
    setState: function () {
        var onlineStatus = new Object();
        onlineStatus["available"] = "在线";
        onlineStatus["chat"] = "欢迎聊天";
        onlineStatus["away"] = "离开";
        onlineStatus["xa"] = "不可用";
        onlineStatus["dnd"] = "请勿打扰";
        onlineStatus["invisible"] = "隐身";
        onlineStatus["unavailable"] = "离线";
        remote.jsjac.chat.state = onlineStatus;
        return onlineStatus;
    },
    state: null,
    init: function () {
        // Debugger plugin
        if (typeof (Debugger) == "function") {
            remote.dbger = new Debugger(2, remote.jsjac.resource);
            remote.dbger.start();
        } else {
            // if you're using firebug or safari, use this for debugging
            // oDbg = new JSJaCConsoleLogger(2);
            // comment in above and remove comments below if you don't need debugging
            remote.dbger = function () {
            };
            remote.dbger.log = function () {
            };
        }
       
        try {
            // try to resume a session
            if (JSJaCCookie.read("btype").getValue() == "binding") {
                remote.connection = new JSJaCHttpBindingConnection({ "oDbg": remote.dbger});
                rdbgerjac.chat.setupEvent(remote.connection);
                if (remote.connection.resume()) {
                    remote.console.clear("debug");
                }
            }
        } catch (e) {
            remote.console.errorEL().html(e.name + ":" + e.message);
        } // reading cookie failed - never mind
       
        remote.jsjac.chat.setState();
    },
    login: function (loginForm) {
        remote.console.clear("debug"); // reset
        try {
            // 链接参数
            var connectionConfig = remote.jsjac;
           
            // Debugger console
            if (typeof (oDbg) != "undefined") {
                connectionConfig.oDbg = oDbg;
            }
            var connection = new JSJaCHttpBindingConnection(connectionConfig);
            remote.connection = connection;
            // 安装（注册）Connection事件模型
            remote.jsjac.chat.setupEvent(connection);
   
            // setup args for connect method
            if (loginForm) {
                //connectionConfig = new Object();
                //connectionConfig.domain = loginForm.domain.value;
                connectionConfig.username = loginForm.userName.value;
                connectionConfig.pass = loginForm.password.value;
                connectionConfig.register = loginForm.register.checked;
            }
            // 连接服务器
            connection.connect(connectionConfig);
           
            //remote.jsjac.chat.changeStatus("available", "online", 1, "chat");
        } catch (e) {
            remote.console.errorEL().html(e.toString());
        } finally {
            return false;
        }
    },
    // 改变用户状态
    changeStatus: function (type, status, priority, show) {
        type = type || "unavailable";
        status = status || "online";
        priority = priority || "1";
        show = show || "chat";
        var presence = new JSJaCPresence();
        presence.setType(type); // unavailable invisible
        if (remote.connection) {
            //remote.connection.send(presence);
        }
       
        //presence = new JSJaCPresence();
        presence.setStatus(status); // online
        presence.setPriority(priority); // 1
        presence.setShow(show); // chat
        if (remote.connection) {
            remote.connection.send(presence);
        }
    },
   
    // 为Connection注册事件
    setupEvent: function (con) {
        var remoteChat = remote.jsjac.chat;
        con.registerHandler('message', remoteChat.handleMessage);
        con.registerHandler('presence', remoteChat.handlePresence);
        con.registerHandler('iq', remoteChat.handleIQ);
        con.registerHandler('onconnect', remoteChat.handleConnected);
        con.registerHandler('onerror', remoteChat.handleError);
        con.registerHandler('status_changed', remoteChat.handleStatusChanged);
        con.registerHandler('ondisconnect', remoteChat.handleDisconnected);
   
        con.registerIQGet('query', NS_VERSION, remoteChat.handleIqVersion);
        con.registerIQGet('query', NS_TIME, remoteChat.handleIqTime);
    },
    // 发送远程消息
    sendMessage: function (msg, to) {
        try {
            if (msg == "") {
                return false;
            }
            var user = "";
            if (to) {
                if (!~to.indexOf("@")) {
                    user += "@" + remote.jsjac.domain;
                    to += "/" + remote.jsjac.resource;
                } else if (~to.indexOf("/")) {
                    user = to.substr(0, to.indexOf("/"));
                }
            } else {
                // 向chat接收信息区域写消息
                if (remote.jsjac.chat.writeReceiveMessage) {
                    var html = "你没有指定发送者的名称";
                    alert(html);
                    //remote.jsjac.chat.writeReceiveMessage(receiverId, "server", html, false);
                }
                return false;
            }
            var userJID = "u" + hex_md5(user);
            $("#" + userJID).find(remote.receiver).val(to);
            // 构建jsjac的message对象
            var message = new JSJaCMessage();
            message.setTo(new JSJaCJID(to));
            message.setType("chat"); // 单独聊天，默认为广播模式
            message.setBody(msg);
            // 发送消息
            remote.connection.send(message);
            return false;
        } catch (e) {
            var html = "<div class='msg error''>Error: " + e.message + "</div>";
            remote.console.info(html);
            return false;
        }
    },
    // 退出、断开链接
    logout: function () {
        var presence = new JSJaCPresence();
        presence.setType("unavailable");
        if (remote.connection) {
            remote.connection.send(presence);
            remote.connection.disconnect();
        }
    },
    errorHandler: function (event) {
        var e = event || window.event;
        remote.console.errorEL().html(e);
        if (remote.connection && remote.connection.connected()) {
            remote.connection.disconnect();
        }
        return false;
    },
    unloadHandler: function () {
        var con = remote.connection;
        if (typeof con != "undefined" && con && con.connected()) {
              // save backend type
            if (con._hold) { // must be binding
                (new JSJaCCookie("btype", "binding")).write();
            }
            if (con.suspend) {
                con.suspend();
            }
        }
    },
    writeMessage: function (userJID, userName, content) {
        // 向chat接收信息区域写消息
        if (remote.jsjac.chat.writeReceiveMessage && !!content) {
            remote.jsjac.chat.writeReceiveMessage(userJID, userName, content, false);
        }
    },
    // 重新连接服务器
    reconnection: function () {
        remote.jsjac.register = false;
        if (remote.connection.connected()) {
            remote.connection.disconnect();
        }
        remote.jsjac.chat.login();
    },
    /* ########################### Handler Event ############################# */
   
    handleIQ: function (aIQ) {
        var html = "<div class='msg'>IN (raw): " + aIQ.xml().htmlEnc() + "</div>";
        remote.console.info(html);
        remote.connection.send(aIQ.errorReply(ERR_FEATURE_NOT_IMPLEMENTED));
    },
    handleMessage: function (aJSJaCPacket) {
        var user = aJSJaCPacket.getFromJID().toString();
        //var userName = user.split("@")[0];
        //var userJID = "u" + hex_md5(user);
        var content = aJSJaCPacket.getBody();
        var html = "";
        html += "<div class=\"msg\"><b>消息来自 " + user + ":</b><br/>";
        html += content.htmlEnc() + "</div>";
        remote.console.info(html);
       
        $.WebIM.messageHandler(user, content);
    },
    handlePresence: function (aJSJaCPacket) {
        var user = aJSJaCPacket.getFromJID();
        var userName = user.toString().split("@")[0];
        var html = "<div class=\"msg\">";
        if (!aJSJaCPacket.getType() && !aJSJaCPacket.getShow()) {
            html += "<b>" + userName + " 上线了.</b>";
        } else {
            html += "<b>" + userName + " 设置 presence 为： ";
            if (aJSJaCPacket.getType()) {
                html += aJSJaCPacket.getType() + ".</b>";
            } else {
                html += aJSJaCPacket.getShow() + ".</b>";
            }
            if (aJSJaCPacket.getStatus()) {
                html += " (" + aJSJaCPacket.getStatus().htmlEnc() + ")";
            }
        }
        html += "</div>";
        remote.console.info(html);
       
        // 向chat接收信息区域写消息
        remote.jsjac.chat.writeMessage("", userName, html);
    },
    handleError: function (event) {
        var e = event || window.event;
        var html = "An error occured:
"
            + ("Code: " + e.getAttribute("code")
            + "\nType: " + e.getAttribute("type")
            + "\nCondition: " + e.firstChild.nodeName).htmlEnc();
        remote.error(html);
       
        var content = "";
        switch (e.getAttribute("code")) {
            case "401":
                content = "登陆验证失败！";
                break;
            // 当注册发现重复，表明该用户已经注册，那么直接进行登陆操作           
            case "409":
                //content = "注册失败！\n\n请换一个用户名！";
                remote.jsjac.chat.reconnection();
                break;
            case "503":
                content = "无法连接到IM服务器，请检查相关配置！";
                break;
            case "500":
                var contents = "服务器内部错误！\n\n连接断开！<br/><a href='javascript: self.parent.remote.jsjac.chat.reconnection();'>重新连接</a>";
                remote.jsjac.chat.writeMessage("", "系统", contents);
                break;
            default:
                break;
        }
        if (content) {
            alert("WeIM: " + content);
        }
        if (remote.connection.connected()) {
            remote.connection.disconnect();
        }
    },
    // 状态变化触发事件
    handleStatusChanged: function (status) {
        remote.console.info("<div>当前用户状态: " + status + "</div>");
        remote.dbger.log("当前用户状态: " + status);
        if (status == "disconnecting") {
            var html = "<b style='color:red;'>你离线了！</b>";
            // 向chat接收信息区域写消息
            remote.jsjac.chat.writeMessage("", "系统", html);
        }
    },
    // 建立链接触发事件方法
    handleConnected: function () {
        remote.console.clear("debug"); // reset
        remote.connection.send(new JSJaCPresence());
    },
    // 断开链接触发事件方法
    handleDisconnected: function () {
       
    },
    handleIqVersion: function (iq) {
        remote.connection.send(iq.reply([
            iq.buildNode("name", remote.jsjac.resource),
            iq.buildNode("version", JSJaC.Version),
            iq.buildNode("os", navigator.userAgent)
        ]));
        return true;
    },
    handleIqTime: function (iq) {
        var now = new Date();
        remote.connection.send(iq.reply([
            iq.buildNode("display", now.toLocaleString()),
            iq.buildNode("utc", now.jabberDate()),
            iq.buildNode("tz", now.toLocaleString().substring(now.toLocaleString().lastIndexOf(" ") + 1))
        ]));
        return true;
    }
};
这个文件的代码就是用jsjac库和openfire建立通信的核心代码，代码中已经有注释，这里我就不再赘述。如果有什么不懂的可以给我留言。



4、消息区域、编辑器代码 send.message.editor-1.0.js

/**
* IM chat Send Message iframe editor
* @author: hoojo
* @email: hoojo_@126.com
* @blog: http://blog.csdn.net/IBM_hoojo
* @createDate: 2012-5-24
* @version 1.0
**/
var agent = window.navigator.userAgent.toLowerCase();
var sendMessageEditor = {

     // 获取iframe的window对象
    getWin: function () {
        return /*!/firefox/.test(agent)*/false ? sendMessageEditor.iframe.contentWindow : window.frames[sendMessageEditor.iframe.name];
    },

    //获取iframe的document对象
    getDoc: function () {
        return !/firefox/.test(agent) ? sendMessageEditor.getWin().document : (sendMessageEditor.iframe.contentDocument || sendMessageEditor.getWin().document);
    },

    init: function (userJID) {
        //打开document对象，向其写入初始化内容，以兼容FireFox
        var doc = sendMessageEditor.getDoc();
        doc.open();
        var html = [
            '<html>',
            '<head><style type="text/css">body{border:0;margin:0;padding:3px;height:98%;cursor:text;background-color:white;font-size:12px;font-family:Courier,serif,monospace;}</style></head>',
            '<body jid="', userJID, '"></body>',
            '</html>'].join("");
        doc.write(html);
        //打开document对象编辑模式
        doc.designMode = "on";
        doc.close();
    },

     getContent: function () {
         var doc = sendMessageEditor.getDoc();
         //获取编辑器的body对象
        var body = doc.body || doc.documentElement;
        //获取编辑器的内容
        var content = body.innerHTML;
        //对内容进行处理，例如替换其中的某些特殊字符等等
        //Some code
       
        //返回内容
        return content;
     },
    
      //统一的执行命令方法
    execCmd: function (cmd, value, d){
        var doc = d || sendMessageEditor.getDoc();
        //doc对象的获取参照上面的代码
        //调用execCommand方法执行命令
        doc.execCommand(cmd, false, value === undefined ? null : value);
    },
   
    getStyleState: function (cmd) {
        var doc = sendMessageEditor.getDoc();
        //doc对象的获取参考上面的对面
        //光标处是否是粗体
        var state = doc.queryCommandState(cmd);
        if(state){
          //改变按钮的样式
        }
        return state;
    },
    insertAtCursor: function (text, d, w){
        var doc = d || sendMessageEditor.getDoc();
        var win = w || sendMessageEditor.getWin();
        //win对象的获取参考上面的代码
        if (/msie/.test(agent)) {
            win.focus();
            var r = doc.selection.createRange();
            if (r) {
                r.collapse(true);
                r.pasteHTML(text);     
            }
        } else if (/gecko/.test(agent) || /opera/.test(agent)) {
            win.focus();
            sendMessageEditor.execCmd('InsertHTML', text, doc);
        } else if (/safari/.test(agent)) {
            sendMessageEditor.execCmd('InsertText', text, doc);
        }
    }
};


5、css样式 chat-2.0.css

/**
* function: im web chat css
* author: hoojo
* createDate: 2012-5-26 上午11:42:10
*/
@CHARSET "UTF-8";

*, body {
    font-family: Courier,serif,monospace;
    font-size: 12px;
    padding: 0;
    margin: 0;   
}

.chat-main {
    position: absolute;
    /*right: 80px;*/
    left: 50px;
    top: 20px;
    z-index: 999;
    display: none;
}

.chat-main .radius {
    background-color: white;
    border: 8px solid #94CADF;
    border-radius: 1em;
}

#chat {
    position: relative;
    /*left: 150px;*/
    padding: 0;
    margin: 0;
}
#chat table {
    border-collapse: collapse;
    width: 435px;
    *width: 460px;
    /*width: 410px;*/
    /*width: 320px;*/
}

#chat table .title {
    font-weight: bold;
    color: green;
    padding: 3px;
    background-color: #94CADF;
}

/* 收缩条 */
#chat table .split {
    background-color: #94CADF;
    cursor: pointer;
}

/* ################## product info #################### */
#chat table .product-info {
    width: 30%;
    /*display: none;*/
    padding: 0;
    margin: 0;
    vertical-align: top;
}

#chat table .product-info ul {
    margin: 0;
    padding: 0;
}

#chat table .product-info ul div.header {
    background-color: #EBEFFE;
    line-height: 22px;
    font-size: 12px;
    color: black;
}

#chat table .product-info ul li {
    list-style: none outside none;
    background-color: white;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
    padding-left: 5px;
    line-height: 22px;
    font-size: 11px;
    color: #6F6F6F;
    width: 140px;
}

#chat table .product-info ul li.pic {
    height: 200px;
    padding: 0 5px 0 5px;
    border: 1px dashed #ccc;
    text-align: center;
}

#chat table .product-info ul li.pic img {
}

#chat table .product-info ul li.product-name {
    font-weight: bold;
    color: black;
}

#chat table .product-info ul li.price span {
    font-family: Courier;
    font-size: 16px;
    font-weight: bold;
    color: #ED4E08;
}

#chat table .product-info ul li.market-price s {
    color: black;
}

#chat table .product-info ul li a {
    float: right;
}

#chat table .product-info ul li.info {
    display: none;
}

/*########### 接收消息区域 ############ */
#chat table .receive-message {
    height: 250px;
}

#chat table .send-message {
    width: 100%;
    /*height: auto;*/
}

#chat table td {
    /*border: 1px solid white;*/
}

#chat table .bottom-bar {
    background-color: #94CADF;
    text-align: right;
}

/* ############## 工具条 ################# start */
#chat table .tool-bar {
    height: 25px;
    background-color: #94CADF;
}

#chat table .tool-bar select {
    float: left;
}

#chat table .tool-bar select.family {
    width: 45px;
    *width: 55px;
}

#chat table .tool-bar div {
    width: 17px;
    height: 16px;
    float: left;
    cursor: pointer;
    margin-right: 2px;
    margin-top: 1px;
    *margin-top: 2px;
    background: transparent url("../images/tb-sprite.gif") no-repeat scroll 0 0;
}

#chat table .tool-bar .color {
    margin-left: 2px;
    background-position: -159px 0;
}
#chat table .tool-bar .bold {
    /*background-position: 0 0;*/
}
#chat table .tool-bar .italic {
    background-position: -18px 0;
}
#chat table .tool-bar .underline {
    background-position: -32px 0;
}
#chat table .tool-bar .face {
    margin: 2px 0 0 3px;
    background-image: url("../images/facehappy.gif");
}
#chat table .tool-bar .history {
    background-image: none;
    width: 60px;
    float: right;
    margin-top: 3px;
    font-size: 12px;
    display: none;
}
/* ###### 表情 ###### */
#chat #face {
    border: 1px solid black;
    width: 275px;
    *width: 277px;
    position: relative;
    left: 8px;
    top: -370px;
    _top: -359px;
    z-index: 3;
    display: none;
}

#chat #face img {
    border: 1px solid #ccc;
    border-right: none;
    border-bottom: none;
    cursor: pointer;
}

#send {
    width: 90px;
    height: 25px;
}
#close {
    width: 40px;
    height: 25px;
}

.chat-message {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 25px;
    background-color: #fcfcfc;
}

.no-msg, .have-msg {
    cursor: pointer;
    float: right;
    margin: 5px 5px 0 0;
}


6、web.xml配置

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
    http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
    <servlet>
        <servlet-name>Jabber HTTP Binding Servlet</servlet-name>
        <servlet-class>org.jabber.JabberHTTPBind.JHBServlet</servlet-class>
        <!--
        <init-param>
            <param-name>debug</param-name>
            <param-value>1</param-value>
        </init-param>
         -->
    </servlet>

    <servlet-mapping>
        <servlet-name>Jabber HTTP Binding Servlet</servlet-name>
        <url-pattern>/JHB/</url-pattern>
    </servlet-mapping>

    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
</web-app>

至此，这个应用的全部代码已经贴出来，如果你按照我这边的结构形式应该是可以完成这个聊天应用的。如果你有什么问题或想法，欢迎你给我留言或评论！
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评论
3 楼 zwdsmileface 2015-04-15  
lpy3654321 写道
有demo吗

下载地址：http://download.csdn.net/detail/zwdsmileface/8597385
2 楼 lpy3654321 2015-04-15  
有demo吗
1 楼 lpy3654321 2015-04-15  
有例子看可以看吗?
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