JavaScript仿聊天室聊天记录
时间：2020-12-21 17:35:21|栏目：JavaScript代码|点击： 次
本文实例为大家分享了js仿聊天室聊天记录的具体代码，供大家参考，具体内容如下
参考样式（css自定义聊天窗口样式）：http://xiazai.jb51.net/201612/yuanma/css3chatstyle(jb51.net).rar
功能描述：
1. 用户在微信公众号里发送内容，参与活动
2. 后台提供类似聊天室的窗口显示用户实时发布的内容
界面截图：
代码：
body {
padding: 0;
margin: 0;
background: -moz-linear-gradient(-45deg, #183850 0, #183850 25%, #192c46 50%, #22254c 75%, #22254c 100%);
background: -webkit-linear-gradient(-45deg, #183850 0, #183850 25%, #192c46 50%, #22254c 75%, #22254c 100%);
background-repeat: no-repeat;
background-attachment: fixed;
}
::-webkit-scrollbar {
width: 10px;
}
::-webkit-scrollbar-track {
border-radius: 10px;
background-color: rgba(25, 147, 147, 0.1);
}
::-webkit-scrollbar-thumb {
border-radius: 10px;
background-color: rgba(25, 147, 147, 0.2);
}
.chat-thread {
margin: 24px auto 0 auto;
padding: 0 20px 0 0;
list-style: none;
overflow-y: scroll;
overflow-x: hidden;
}
.chat-thread .li {
position: relative;
clear: both;
display: inline-block;
padding: 16px 40px 16px 20px;
margin: 0 0 20px 0;
font: 16px/20px 'Noto Sans', sans-serif;
border-radius: 10px;
background-color: rgba(25, 147, 147, 0.2);
}
/* Chat - Avatar */
.chat-thread .img {
width: 50px;
height: 50px;
border-radius: 50px;
content: '';
float:left;
}
/* Chat - Speech Bubble Arrow */
.chat-thread li:after {
position: absolute;
top: 15px;
content: '';
width: 0;
height: 0;
border-top: 15px solid rgba(25, 147, 147, 0.2);
}
.chat-thread li:nth-child(odd) {
animation: show-chat-odd 0.15s 1 ease-in;
-moz-animation: show-chat-odd 0.15s 1 ease-in;
-webkit-animation: show-chat-odd 0.15s 1 ease-in;
float: right;
margin-right: 80px;
color: #0AD5C1;
}
.chat-thread li:nth-child(odd):before {
right: -80px;
}
.chat-thread li:nth-child(odd):after {
border-right: 15px solid transparent;
right: -15px;
}
.chat-thread li:nth-child(even) {
animation: show-chat-even 0.15s 1 ease-in;
-moz-animation: show-chat-even 0.15s 1 ease-in;
-webkit-animation: show-chat-even 0.15s 1 ease-in;
float: left;
margin-left: 80px;
color: #0EC879;
}
.chat-thread li:nth-child(even):before {
left: -80px;
}
.chat-thread li:nth-child(even):after {
border-left: 15px solid transparent;
left: -15px;
}
.chat-window {
position: fixed;
bottom: 18px;
}
.chat-window-message {
width: 100%;
height: 48px;
font: 32px/48px 'Noto Sans', sans-serif;
background: none;
color: #0AD5C1;
border: 0;
border-bottom: 1px solid rgba(25, 147, 147, 0.2);
outline: none;
}
/* Small screens */
@media all and (max-width: 767px) {
.chat-thread {
width: 90%;
height: 500px;
}
.chat-window {
left: 5%;
width: 90%;
}
}
/* Medium and large screens */
@media all and (min-width: 768px) {
.chat-thread {
width: 70%;
height: 500px;
}
.chat-window {
left: 25%;
width: 50%;
}
}
@keyframes show-chat-even {
0% {
margin-left: -480px;
}
100% {
margin-left: 0;
}
}
@-moz-keyframes show-chat-even {
0% {
margin-left: -480px;
}
100% {
margin-left: 0;
}
}
@-webkit-keyframes show-chat-even {
0% {
margin-left: -480px;
}
100% {
margin-left: 0;
}
}
@keyframes show-chat-odd {
0% {
margin-right: -480px;
}
100% {
margin-right: 0;
}
}
@-moz-keyframes show-chat-odd {
0% {
margin-right: -480px;
}
100% {
margin-right: 0;
}
}
@-webkit-keyframes show-chat-odd {
0% {
margin-right: -480px;
}
100% {
margin-right: 0;
}
}
.credits{
text-align:center;
margin-top:35px;
color: rgba(255, 255, 255, 0.35);
font-family: 'Noto Sans', sans-serif;
}
.credits a{
text-decoration:none;
color: rgba(255, 255, 255, 0.35);
}
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>红包详情</title>
<meta name="keywords" content="keyword1,keyword2,keyword3">
<meta name="description" content="this is my page">
<meta name="content-type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
<script src="../js/jquery-1.7.2.min.js"></script>
<link rel="stylesheet" href="css/style.css" media="screen" type="text/css" />
</head>
<body >
<div id="convo" class="chat-thread"></div>
</body>
<script type="text/javascript">
var maxId = 0;
var ip = "http://...";
var imgArr=new Array();
var contentArr=new Array();
var canAdd = false;
function loadUser(){
$.post("../servlet/luckDraw", // 访问后台查询数据
{
type : "messageList",
limit : 5,
maxId : maxId,
time : new Date()
},
function(data,status){
var jsonobj=eval('('+data+')');
if(jsonobj.code=="200"){
canAdd = false;
imgArr=new Array();
contentArr=new Array();
var jsonarr = jsonobj.list;
var str = "";
for(var i=0;i<jsonarr.length;i++){
//console.log(time1);
imgArr[i] = ip+jsonarr[i].headImg;
contentArr[i] = jsonarr[i].content;
maxId = jsonarr[i].id;
}
canAdd = true;
}
});
}
loadUser();
//var t1 = window.setTimeout(time(1),1000);
var t1 = window.setInterval(time,3000);
function time(){
if(!canAdd)
return;
if(imgArr.length==0){
loadUser();
return;
}
var img = imgArr[0];
var content = contentArr[0];
imgArr.splice(0, 1);
contentArr.splice(0, 1);
$("#convo").append('<div>'+
'<div style="width:60px;height:50px;float:left">
<img alt="" height="50px" width="50px" class="img" src="'+img+'"></div>'+
'<div style="width:90%;float:left;"><span class="li">'+content+'</span>
</div>'+ '</div>');
var e=document.getElementById("convo");//保持滚动条一直在最底部
e.scrollTop=e.scrollHeight;
}
</script>
</html>
String sql = "SELECT c.*,u.nickName,u.headImg "
+ "from wx_costomersendmessage c,bid_user u "
+ "where c.openId=u.openId and c.id>"+maxId
+" order by c.id Limit 0,"+limit;
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本文标题：JavaScript仿聊天室聊天记录
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