本文实例为大家分享了jQuery实现聊天对话框的具体代码，供大家参考，具体内容如下
效果图：左下角选择对话的角色，在对话框输入消息点击发送按钮，消息显示在上面界面当中，然后对话框内容被清空。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style type="text/css">
.talk_con {
width: 600px;
height: 500px;
border: 1px solid #666;
margin: 50px auto 0;
background: #f9f9f9;
}
.talk_show {
width: 580px;
height: 420px;
border: 1px solid #666;
background: #fff;
margin: 10px auto 0;
overflow: auto;
}
.talk_input {
width: 580px;
margin: 10px auto 0;
}
.whotalk {
width: 80px;
height: 30px;
float: left;
outline: none;
}
.talk_word {
width: 420px;
height: 26px;
padding: 0px;
float: left;
margin-left: 10px;
outline: none;
text-indent: 10px;
}
.talk_sub {
width: 56px;
height: 30px;
float: left;
margin-left: 10px;
}
.atalk {
margin: 10px;
}
.atalk span {
display: inline-block;
background: #0181cc;
border-radius: 10px;
color: #fff;
padding: 5px 10px;
}
.btalk {
margin: 10px;
text-align: right;
}
.btalk span {
display: inline-block;
background: #ef8201;
border-radius: 10px;
color: #fff;
padding: 5px 10px;
}
</style>
<script src='../js/jquery-1.12.4.js'></script>
<script>
$(function(){
$('#talksub').click(function(){
//发送单击，获取用户输入的数据value属性值
var vals=$('#talkwords').val()
//如果输入的数据为空，则弹窗提示
if (vals=='')
{
alert('请输入数据！')
return
}
//条件下拉列表中的value值是0还是1
var whovals=$('#who').val()
var str=""
//选择A发送还是B发送
if (whovals==0){
str='<div class="atalk"><span>A：' vals '</span></div>'
}
else{
str='<div class="btalk"><span>B：' vals '</span></div>'
}
//原有的内容 str,否则会覆盖掉原有内容
$('#words').html($('#words').html() str)
//发送完数据后清空输入框
$('#talkwords').val('')
})
})
</script>
</head>
<body>
<div class="talk_con">
<div class="talk_show" id="words">
<div class="atalk"><span>A：你还好吗？</span></div>
<div class="btalk"><span>B：嗯，你呢？</span></div>
</div>
<div class="talk_input">
<select class="whotalk" id="who">
<option value="0">A：</option>
<option value="1">B：</option>
</select>
<input type="text" class="talk_word" id="talkwords">
<input type="button" value="发送" class="talk_sub" id="talksub">
</div>
</div>
</body>
</html>
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持Devmax。