网页换肤——主要通过改变样式表

实现效果:当点击皮肤1的时候

当点击皮肤2的时候

代码如下:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>无标题文档</title>
    <link id="link1" href="../CSS/css1.css" rel="stylesheet" type="text/css" />
</head>
<body>
<dl id="message">
    <form>
        <dt>
            <strong>可以换肤的提交框:</strong>
            <input id="btn1" type="button" value="皮肤1" onclick="document.getElementById('link1').href='../CSS/css1.css';" />
            <input id="btn2" type="button" value="皮肤2" onclick="document.getElementById('link1').href='../CSS/css2.css';" />
        </dt>
        <dd>输入姓名:<input class="text" type="text" /></dd>
        <dd>输入密码:<input class="text" type="password" /></dd>
        <dd>请您留言:<textarea></textarea></dd>
        <dd class="center"><input class="btn" type="submit" value="提交" /></dd>
    </form>
</dl>
</body>
</html>
body { margin-top: 40px; background: url(../IMG/bg1.jpg) no-repeat center center; }

dl { width: 400px;
    border: 2px solid #ccc;
    background: #FFFFCC;
    padding: 20px;
    margin: 0 auto;
    filter: alpha(opacity: 70);
    opacity: 0.7; }
dt { font-size: 18px; color: #009933; border-bottom: 1px solid #ccc; padding-left: 10px; padding-bottom: 10px; margin-bottom: 20px; }
dd { margin-left: 0; padding-bottom: 10px; font-size: 14px; padding-left: 10px; }
.text { width: 300px; height: 30px; line-height: 30px; }
textarea { width: 300px; height: 120px; overflow: auto; }
.btn { width: 120px; height: 40px; }
.center { text-align: center; }
body { background: url(../IMG/bg.gif); margin-top: 40px; }

dl { width: 600px; border: 4px solid #fff; background: #669999; padding: 20px; margin: 0 auto; filter: alpha(opacity: 90); opacity: 0.9; }
dt { font-size: 18px; color: #fff; border-bottom: 1px solid #ccc; padding-left: 10px; padding-bottom: 10px; margin-bottom: 20px; }
dd { margin-left: 0; padding-bottom: 10px; font-size: 14px; padding-left: 10px; color: #fff; }
.text { width: 500px; height: 30px; line-height: 30px; font-weight: bold; font-size: 14px; font-family: arial; }
textarea { width: 500px; height: 120px; overflow: auto;font-weight: bold; font-size: 14px; font-family: arial; }
.btn { width: 120px; height: 40px; }
.center { text-align: center; }
原文地址:https://www.cnblogs.com/1322957664qqcom/p/11265655.html