269 lines
9.1 KiB
JavaScript
269 lines
9.1 KiB
JavaScript
//一般直接写在一个js文件中
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layui.use(['layer', 'form', 'jquery'], function () {
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var layer = layui.layer
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, form = layui.form
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, $ = layui.jquery;
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var currentUUID = '';
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var uuid = '';
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var socket = io.connect('http://'+document.domain+':9010',{
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"transports":['websocket', 'polling']
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});
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var uuids = [];
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var online_num = 0;
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//页面初始化函数
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function init() {
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$(".admin-index").addClass("layui-this");
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var height = document.body.clientHeight - 262;
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$(".message-container").css("height", height);
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window.onresize = function(){
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var height = document.body.clientHeight - 262;
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$(".message-container").css("height", height);
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};
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document.getElementById("msg-send-textarea").onkeydown=function(e){
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if(e.keyCode == 13 && e.ctrlKey){
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// 这里实现换行
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document.getElementById("msg-send-textarea").value += "\n";
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}else if(e.keyCode == 13){
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// 避免回车键换行
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e.preventDefault();
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// 下面写你的发送消息的代码
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msg_send();
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}
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}
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}
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//聊天窗口自动滚到底
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function scrollToBottom() {
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var div = document.getElementById('message-container');
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div.scrollTop = div.scrollHeight;
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}
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function insert_section(uid) {
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var html = '<section class="user-section" style="display:none;" id="section-'+ uid +'"></section>';
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$(".message-container").append(html);
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get_message(uid);
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}
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function insert_agent_html(uid,content,datetime){
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var time = dateFormat();
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if(datetime){
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time = dateFormat("yyyy-MM-dd hh:mm:ss",new Date(datetime));
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}
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var html = ' <div class="message-agent">\n' +
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' <div class="message-agent-time-sender message-time-sender">\n' +
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' <span class="message-agent-time">' + time + '</span>\n' +
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' <span class="">我</span>\n' +
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' </div>\n' +
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' <div class="message-agent-content message-content">\n' +
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' <div>' + content + '</div>\n' +
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' </div>\n' +
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' </div>';
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$('#section-'+uid).append(html);
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}
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function insert_client_html(uid,content,datetime){
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var time = dateFormat();
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if(datetime){
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time = dateFormat("yyyy-MM-dd hh:mm:ss",new Date(datetime));
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}
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var html = '<div class="message-client">\n' +
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' <div class="message-time-sender">\n' +
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' <span class="message-client-time">' + time + '</span>\n' +
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' <span class="">客户</span>\n' +
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' </div>\n' +
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' <div class="message-client-content message-content">\n' +
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' <div>' + content + '</div>\n' +
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' </div>\n' +
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' </div>';
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$('#section-'+uid).append(html);
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}
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function insert_user_html(id,name) {
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var html = '<div class="user-info layui-row" id="' + id + '">\n' +
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' <div class="layui-col-xs3 user-avatar">\n' +
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' <img src="/images/server/mine_fill_blue.png">\n' +
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' </div>\n' +
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' <div class="layui-col-xs8 user-name">' + name + '-' + id + '</div>\n' +
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' <span class="layui-badge-dot layui-col-xs1 msg-tips"></span>'+
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' </div>';
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$('.chat-user').append(html);
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}
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function msg_sender_status(status){
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if(status){
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$(".btnMsgSend").removeClass("layui-btn-disabled");
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$("#msg-send-textarea").removeAttr("disabled");
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$(".empty-status").hide();
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}else{
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$(".btnMsgSend").addClass("layui-btn-disabled");
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$("#msg-send-textarea").attr("disabled","disabled");
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$(".empty-status").show();
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}
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}
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function msg_notification(msg) {
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$(".chat-user #"+msg.uid+" .msg-tips").show();
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if(window.Notification && Notification.permission !== "denied") {
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Notification.requestPermission(function(status) {
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var n = new Notification('您有新的消息', { body: msg.content });
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});
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}
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}
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function update_online_status() {
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var num = uuids.length;
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if(online_num > num){
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num = online_num;
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}
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$(".friend-head-right").html( online_num + ' / ' + num + ' 人' );
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}
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//发送消息
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function msg_send() {
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var msg = $("#msg-send-textarea").val();
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if(msg){
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var msg_sender = {
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"type":'private',
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"uid":currentUUID,
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"content":msg,
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"from_uid":uuid
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};
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socket.emit('message', msg_sender);
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insert_agent_html(currentUUID,msg);
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scrollToBottom();
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$("#msg-send-textarea").val('');
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}
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}
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//获取在线用户
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function get_users() {
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$.get('/users',function (data) {
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if(data.code == 200){
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$('.chat-user').html('');
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var data = data.data;
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data.forEach(function (user) {
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insert_user_html(user.uid,user.name + '#'+ (uuids.length + 1));
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//创建聊天section
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insert_section(user.uid);
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uuids.push(user.uid);
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});
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if(data.length > 0 && !currentUUID){
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currentUUID = data[0].uid;
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}
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$(".user-info").css("background","#ffffff");
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$("#"+currentUUID).css("background","#f2f3f5");
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$(".user-section").hide();
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msg_sender_status(true);
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$("#section-"+currentUUID).show();
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update_online_status();
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}
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});
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}
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//获取最新的五条数据
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function get_message(uid) {
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$.get('/message?uid='+uid,function (data) {
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if(data.code == 200){
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data.data.reverse().forEach(function (msg) {
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if(msg.from_uid == uid){
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insert_client_html(msg.from_uid,msg.content,msg.time);
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}else{
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insert_agent_html(msg.to_uid,msg.content,msg.time);
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}
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scrollToBottom();
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});
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}
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});
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}
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$(".btnMsgSend").click(function(){
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msg_send();
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});
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//连接服务器
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socket.on('connect', function () {
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console.log('连接成功...');
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uuid = 'chat-kefu-admin';
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var ip = $("#keleyivisitorip").html();
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var msg = {
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"uid" : uuid,
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"ip" : ip
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};
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socket.emit('login', msg);
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});
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//后端推送来消息时
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socket.on('message', function(msg){
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insert_client_html(msg.uid,msg.content);
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scrollToBottom();
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msg_notification(msg);
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});
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//后端推送来消息时
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socket.on('update-users', function(msg){
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if(msg.type == 'offline'){
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//arrayRemove(uuids,msg.uid);
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$(".chat-user #"+msg.uid+" .user-avatar img").attr("src","/images/server/mine_fill.png");
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$("#section-" + msg.uid).hide();
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//$(".chat-user").find("#"+msg.uid).remove();
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msg_sender_status(false);
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}else if(msg.type == 'online'){
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if(!currentUUID){
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currentUUID = msg.uid;
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}
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if(currentUUID == uuid){
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return false;
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}
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var index = uuids.indexOf(msg.uid);
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if( index == -1){
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uuids.push(msg.uid);
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insert_user_html(msg.uid,msg.name + '#'+ (uuids.length + 1));
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//创建聊天section
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insert_section(msg.uid);
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}else{
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if($(".chat-user").find("#"+msg.uid).length == 0){
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insert_user_html(msg.uid,msg.name + '#'+ (uuids.length + 1));
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//创建聊天section
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insert_section(msg.uid);
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}
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}
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$(".chat-user #"+msg.uid+" .user-avatar img").attr("src","/images/server/mine_fill_blue.png");
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}
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update_online_status();
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});
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//更新用户在线数
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socket.on('update_online_count', function(msg){
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online_num = (msg.online_count - 1) >= 0 ? (msg.online_count - 1) : 0;
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update_online_status();
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});
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//切换用户
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$(document).on('click','.user-info',function(){
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var uid = $(this).attr("id");
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currentUUID = uid;
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$(".user-info").css("background","#ffffff");
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$("#"+uid).css("background","#f2f3f5");
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$(".user-section").hide();
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$("#section-"+uid).show();
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msg_sender_status(true);
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$(".chat-user #"+uid+" .msg-tips").hide();
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});
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init();
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get_users();
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}); |