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index.html
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<title>CHATBOX</title>
<link rel="stylesheet" type="text/css" href="http://www.jeasyui.com/easyui/themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="http://www.jeasyui.com/easyui/themes/icon.cs">
<link rel="stylesheet" type="text/css" href="http://www.jeasyui.com/easyui/demo.css">
<script src="http://lib.sinaapp.com/js/jquery/1.9.1/jquery-1.9.1.min.js"></script>
<script src="http://www.jeasyui.com/easyui/jquery.easyui.min.js"></script>
<script src='http://channel.sinaapp.com/api.js'></script>
</head>
<body>
<div class="easyui-layout" style="width:900px;height:600px;padding:10px;font-size: 16px;">
<div class="easyui-panel" title="聊天记录列表" data-options="region:'west',collapsed:false,collapsible:false" style="width:700px;font-size: 16px;" id="msglist">
</div>
<div class="easyui-panel" title="用户列表" data-options="region:'center'" style="width:200px;font-size: 16px;" id="usrlist">
</div>
</div>
对<input class="easyui-combobox" id="usr_select_list" data-options="valueField:'id',textField:'text'">说
<input type="input" id="ipt_msg" style="width: 600px; height: 30px; font-size: 16px;" />
<a href="#" class="easyui-linkbutton" id="btn_send">按回车或点击发送</a>
<div id="panelName" class="easyui-dialog" title="欢迎" data-options="iconCls:'icon-save',closable: false, shadow: true, modal: true" style="width:300px;height:150px;padding:10px">
给自己取个昵称吧！
<br>
<br>
<input type="text" id="ipt_nickname" style="font-size: 16px;" />
<a href="#" class="easyui-linkbutton" id="btn_ok">确定</a>
</div>
<script>
$(function(){
var $channel_url = '';
var $nickname = '';
var $channel = null;
var $usr_select_id = 1;
var $usr_select_name = '';
//滚动到底部
function scrollToBottom() {
var scrollTop = $("#msglist")[0].scrollHeight;
$("#msglist").scrollTop(scrollTop);
}
//刷新用户列表
function refreshUser() {
$.ajax({
type: 'POST',
url: 'chat.php',
data: 'action=getuserlist',
complete: function(data, status){
var result = data.responseText;
var json = $.parseJSON(result);
var usrlist = '小乐(聊天机器人)<br>';
var usr_select_list = [];
usr_select_list[0] = {};
usr_select_list[0].id = 1;
usr_select_list[0].text = '所有人';
var j = 1;
for(var i = 0; i < json.length; i++) {
usrlist += json[i] + '<br>';
if(json[i] === $nickname){
continue;
}
usr_select_list[j] = {};
usr_select_list[j].id = j + 1;
usr_select_list[j].text = json[i];
j++;
}
//下拉列表
//$('#usr_select_list').attr('data-options', $('#usr_select_list').attr('data-options') + ', data:' + usr_select_list);
$('#usr_select_list').combobox('loadData', usr_select_list);
if($usr_select_id > j){
$('#usr_select_list').combobox('setValue', j);
$usr_select_id = j;
}
else{
$('#usr_select_list').combobox('setValue', $usr_select_id);
}
$('#usrlist').html(usrlist);
}
});
}
//发送消息
function sendMsg()
{
//如果是向所有人发消息
if($usr_select_id === 1){
$.ajax({
type: 'POST',
url: 'chat.php',
data: 'action=sendmsg&message=' + $.trim($('#ipt_msg').val()) + '&username=' + $nickname
});
}
//向某人私聊
else {
$.ajax({
type: 'POST',
url: 'chat.php',
data: 'action=sendto&message=' + $.trim($('#ipt_msg').val()) + '&username=' + $nickname + '&to=' + $usr_select_name
});
}
//清空
$('#ipt_msg').val('');
}
//切换对话对象时触发
$('#usr_select_list').combobox({
onSelect: function(param){
$usr_select_id = param.id;
$usr_select_name = param.text;
}
});
//用户加入聊天室
function showUserIn(username){
$.messager.show({
title:'提示:用户进入',
msg:'用户 ' + username + ' 进入了聊天室',
showType:'show'
});
}
//用户加入聊天室
function showUserOut(username){
$.messager.show({
title:'提示:用户离开',
msg:'用户 ' + username + ' 离开了聊天室',
showType:'show'
});
}
//加入聊天室
function createChannel()
{
$.ajax({
type: 'POST',
url: 'chat.php',
data: 'action=create_channel&username=' + $nickname,
complete: function(data, status){
var result = data.responseText;
$channel_url = result;
$channel = sae.Channel($channel_url);
//获取之前的聊天记录
$.ajax({
type: 'POST',
url: 'chat.php',
data: 'action=getmsglist',
complete: function(data, status){
var result = data.responseText;
//console.log(result);
var json = $.parseJSON(result);
var msglist = '';
for(var i = 0; i < json.length; i++) {
if(json[i][2] == 'msg') {
msglist += json[i][0] + ' <span style="color: white; background-color: #5bc0de">' + json[i][1] + '</span> 说: ' + json[i][3] + '<br>';
}
else if(json[i][2] == 'open') {
msglist += json[i][0] + ' <span style="color: white; background-color: #5cb85c">' + json[i][1] + ' 进入聊天室</span><br>';
}
else if(json[i][2] == 'close') {
msglist += json[i][0] + ' <span style="color: white; background-color: #d9534f">' + json[i][1] + ' 退出聊天室</span><br>';
}
}
$("#msglist").html(msglist);
}
});
$channel.onmessage = function (message) {
var msglist = $('#msglist').html();
//这里为了省事投机取巧了，直接对message.data进行判断，chat.php返回的是html格式
//如果是进入聊天室，则使用message窗口提示用户进入
console.log(message.data);
if(message.data.indexOf(' 进入聊天室</span>') != -1) {
var uname = message.data.substring(74, message.data.indexOf(' 进入聊天室</span>'));
showUserIn(uname);
}
else if(message.data.indexOf(' 退出聊天室</span>') != -1) {
var uname = message.data.substring(74, message.data.indexOf(' 退出聊天室</span>'));
showUserOut(uname);
}
$("#msglist").html(msglist + '<br>' + message.data);
//刷新用户列表
refreshUser();
//聊天记录保持在最下面
scrollToBottom()
};
$channel.onopen = function () {
$.ajax({
type: 'POST',
url: 'chat.php',
data: 'action=connected&username=' + $nickname
});
};
}
});
}
function checkName(){
$nickname = $.trim($('#ipt_nickname').val());
if($nickname === ''){
alert('请为自己取个昵称');
return;
}
else {
}
createChannel();
$('#panelName').dialog('close');
}
$('#btn_send').click(function(e){
if($.trim($('#ipt_msg').val()) === '') {
alert('写点什么吧！');
return;
}
sendMsg();
});
$('#ipt_nickname').keydown(function(e){
if(e.keyCode==13){
checkName();
}
});
$('#ipt_msg').keydown(function(e){
if(e.keyCode==13){
if($.trim($('#ipt_msg').val()) === '') {
alert('写点什么吧！');
return;
}
sendMsg();
}
});
$('#btn_ok').click(function() {
checkName();
});
$(window).bind('beforeunload', function(){
$.ajax({
type: 'POST',
url: 'chat.php',
data: 'action=disconnected&username=' + $nickname
});
$channel.close();
return '你确定要离开CHATBOX吗？';
});
});
</script>
</body>
</html>