简易聊天框——全代码"/>
jQuery课堂练习:制作QQ简易聊天框——全代码
这是我们课堂上练习制作的QQ简易聊天框
HTML和jQuery代码放到一块了,可见下图
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>QQ简易聊天框</title><link rel="stylesheet" href="style.css">
</head>
<script src="D:\大二上\jquery3.6.1.js"></script>
<script>$(function(){var touxiang=new Array("../QQ简易聊天框/images/head01.jpg","../QQ简易聊天框/images/head02.jpg","../QQ简易聊天框/images/head03.jpg");var names=new Array("哈哈哈","333","111");$("#send").click(function(){if($(".text").val().length>0){ //获取元素值的长度,若大于0(有内容),则输出var lt=$(".neirong").html();//获取聊天内容var tn=Math.floor(Math.random()*3);//随机获取头像和昵称var stouxiang="<div><img src="+touxiang[tn]+"></div>";//设置头像var name="<p style='color: red; font-size: 12px;'>"+names[tn]+"</p>"; //设置昵称var neirong="<div>"+$(".text").val()+"</div>"; //修饰当前输入的内容var zong="<section>"+stouxiang+name+neirong+"</section>"; //获取聊天的头像、昵称和内容$(".neirong").html(lt+zong);$(".text").val("");//清除文本框中的内容}});
})
</script>
<body><section id="chat"><div class="neirong"></div><div><img src="../QQ简易聊天框/images/icon.jpg"></div><textarea class="text"></textarea><div class="btn"><span>关闭(C)</span><span id="send">发送(S)</span></div></section>
</body>
</html>
下面是css代码块
*{margin: 0; padding: 0; line-height: 22px; font-family: "Arial", "微软雅黑";}
#chat{margin: 3px auto 0 auto; width:436px; border: 1px #999999 solid;}
.neirong{width: 100%; height: 220px; overflow:auto;}
.text{border: none; width: 100%; height: 50px;}
.btn{text-align: right;}
.btn span{display: inline-block; padding: 0 10px; height: 25px;overflow: hidden; color: #ffffff; border-radius: 5px; background-color: #069dd5; font-size: 12px; margin-right: 3px; cursor:pointer;}
尽量不要直接照搬哦,计算机还是要多写,多想,多思考~
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jQuery课堂练习:制作QQ简易聊天框——全代码
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