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聊天窗口

2024-10-15 01:21:02   215人阅读

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title>QQ简易聊天框</title>
    <link rel="stylesheet" href="http://www.mamicode.com/css/chat.css">
</head>
<body>
<section id="chat">
    <div class="chatBody"></div>
    <div><img src="http://www.mamicode.com/images/icon.jpg"></div>
    <textarea class="chatText"></textarea>

    <div class="btn"><span>关闭(C)</span><span id="send">发送(S)</span></div>
</section>
<script src="http://www.mamicode.com/js/jquery-1.12.4.js"></script>

<script>
    $(function(){
        var headImg=new Array("head01.jpg","head02.jpg","head03.jpg");
        var uName=new Array("张三","李四","王五");
        $("#send").click(function(){
            if($(".chatText").val().length>0){
                var str=$(".chatBody").html();                                         //获取聊天窗口显示框
                var iNum=Math.floor(Math.random()*3);                                  //产生随机下标数（小数点后舍去）
                var headStr="<div><img src=http://www.mamicode.com/images/"+headImg[iNum]+"></div> ";          //产生随机头像图片
                var userName="<p>"+uName[iNum]+"</p>";                                 //产生随机名字
                var chatStr="<div>"+$(".chatText").val()+"</div>";                     //获取输入的文本
                var currentStr="<section>"+headStr+userName+chatStr+"</section>";      //将头像图片、名字、输入的文本合并在一起
                $(".chatBody").html(str+currentStr);                                   //选择聊天显示框，将
                $(".chatBody section div:last").addClass("chatContent");          　　  //设置样式
                $(".chatText").val("");                                                //清空输入框里的内容
            }
        })
    })
</script>
</body>
</html>





css:
* {
    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;
}

.chatBody {
    width: 100%;
    height: 220px;
    overflow: auto;
}

.chatText {
    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;
}

.chatBody div:first-of-type {
    float: left;
    width: 38px;
}

.chatBody p {
    float: left;
    font-size: 12px;
    width: 370px;
    color: #0000ff;
}

.chatBody div:last-of-type {
    float: left;
    width: 370px;
    font-size: 12px;
}

.chatBody section {
    clear: both;
}

.chatContent {
    background: #efefef;
    border-radius: 5px;
    padding: 3px;
}



聊天窗口


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