用websocket开发的简易聊天室，并可以发送表情和超链接.
<%@ page language="java" import="java.util.*" 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>
<meta charset="UTF-8">
<title>JSD1902-聊天室</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport"
content="width=device-width, initial-scale=1">
<meta name="format-detection" content="telephone=no">
<meta name="renderer" content="webkit">
<meta http-equiv="Cache-Control" content="no-siteapp"/>
<link rel="alternate icon" type="image/png" href="assets/i/favicon.png">
<link rel="stylesheet" href="assets/css/amazeui.min.css"/>
<script src="assets/js/jquery.min.js"></script>
<script src="assets/js/amazeui.min.js"></script>
<!-- UM相关资源 -->
<link href="assets/umeditor/themes/default/css/umeditor.css" type="text/css" rel="stylesheet">
<script type="text/javascript" charset="utf-8" src="assets/umeditor/umeditor.config.js"></script>
<script type="text/javascript" charset="utf-8" src="assets/umeditor/umeditor.min.js"></script>
<script type="text/javascript" src="assets/umeditor/lang/zh-cn/zh-cn.js"></script>
</head>
<body>
<header class="am-topbar am-topbar-fixed-top">
<div class="am-container">
<h1 class="am-topbar-brand">
<a href="#">聊天室</a>
</h1>
<div class="am-collapse am-topbar-collapse" id="collapse-head">
<ul class="am-nav am-nav-pills am-topbar-nav">
<li class="am-active"><a href="#">首页</a></li>
</ul>
<div class="am-topbar-right">
<button class="am-btn am-btn-secondary am-topbar-btn am-btn-sm"><span class="am-icon-pencil"></span> 注册</button>
</div>
<div class="am-topbar-right">
<input><span class="am-icon-pencil"></span> 注册</input>
</div>
<div class="am-topbar-right">
<button class="am-btn am-btn-primary am-topbar-btn am-btn-sm"><span class="am-icon-user"></span> 登录</button>
</div>
</div>
</div>
</header>
<div id="main">
<!-- 聊天内容展示区域 -->
<div id="ChatBox" class="am-g am-g-fixed" >
<div class="am-u-lg-12" style="height:400px;border:1px solid #999;overflow-y:scroll;">
<ul id="chatContent" class="am-comments-list am-comments-list-flip">
<li id="msgtmp" class="am-comment" style="display:none;">
<a href="">
<img class="am-comment-avatar" src="assets/images/other.jpg" alt=""/>
</a>
<div class="am-comment-main" >
<header class="am-comment-hd">
<div class="am-comment-meta">
<a ff="nickname" href="#link-to-user" class="am-comment-author">某人</a>
<time ff="msgdate" datetime="" title="">2014-7-12 15:30</time>
</div>
</header>
<div ff="content" class="am-comment-bd">此处是消息内容</div>
</div>
</li>
</ul>
</div>
</div>
<!-- 聊天内容发送区域 -->
<div id="EditBox" class="am-g am-g-fixed">
<!--style给定宽度可以影响编辑器的最终宽度-->
<script type="text/plain" id="myEditor" style="width:100%;height:140px;"></script>
<button id="send" type="button" class="am-btn am-btn-primary am-btn-block">发送</button>
</div>
</div>
<script type="text/javascript">
$(document).ready(function(){
alert("您好，欢迎来到Jquery！");
})
$(function(){
//实例化编辑器
var um = UM.getEditor('myEditor',{
initialContent:"请输入聊天信息...",
autoHeightEnabled:false,
toolbar:[
'source | undo redo | bold italic underline strikethrough | superscript subscript | forecolor backcolor | removeformat |',
'insertorderedlist insertunorderedlist | selectall cleardoc paragraph | fontfamily fontsize' ,
'| justifyleft justifycenter justifyright justifyjustify |',
'link unlink | emotion image video | map'
]
});
var nickname = "达内" Math.random();
var socket = new WebSocket("ws://${pageContext.request.getServerName()}:${pageContext.request.getServerPort()}${pageContext.request.contextPath}/websocket");
//接收服务器的消息
socket.onmessage=function(ev){
var obj = eval( '(' ev.data ')' );
addMessage(obj);
}
$("#send").click(function(){
if (!um.hasContents()) { // 判断消息输入框是否为空
// 消息输入框获取焦点
um.focus();
// 添加抖动效果
$('.edui-container').addClass('am-animation-shake');
setTimeout("$('.edui-container').removeClass('am-animation-shake')", 1000);
} else {
//获取输入框的内容
var txt = um.getContent();
//构建一个标准格式的JSON对象
var obj = JSON.stringify({
nickname:nickname,
content:txt
});
// 发送消息
socket.send(obj);
// 清空消息输入框
um.setContent('');
// 消息输入框获取焦点
um.focus();
}
});
});
//人名nickname，时间date，是否自己isSelf，内容content
function addMessage(msg){
var box = $("#msgtmp").clone(); //复制一份模板，取名为box
box.show(); //设置box状态为显示
box.appendTo("#chatContent"); //把box追加到聊天面板中
box.find('[ff="nickname"]').html(msg.nickname); //在box中设置昵称
box.find('[ff="msgdate"]').html(msg.date); //在box中设置时间
box.find('[ff="content"]').html(msg.content); //在box中设置内容
box.addClass(msg.isSelf? 'am-comment-flip':''); //右侧显示
box.addClass(msg.isSelf? 'am-comment-warning':'am-comment-success');//颜色
box.css((msg.isSelf? 'margin-left':'margin-right'),"20%");//外边距
$("#ChatBox div:eq(0)").scrollTop(999999); //滚动条移动至最底部
}
</script>
</body>
</html>
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