作业19——夜间模式的开启与关闭，父模板的制作

夜间模式的开启与关闭
1. 放置点击的按钮或图片。
2. 定义开关切换函数。
3. onclick函数调用。
父模板的制作
1. 制作网站网页共有元素的父模板html，包括顶部导航，中间区块划分，底部导航，底部说明等。
2. 汇总相关的样式形成独立的css文件。
3. 汇总相关的js代码形成独立的js文件。
4. 形成完整的base.html+css+js

base.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>base</title>
    <link rel="stylesheet" href="../static/css/base.css" type="text/css">
    <script src="../static/JS/base.js"></script>

</head>
<body id="myBody">
<nav>
    <img id="myOnOff" onclick="mySwitch()"
         src="http://img3.redocn.com/tupian/20150409/shouhuihuangsetaiyangshiliangsucai_4034066.jpg" width="30px">
    <a href="http://localhost:63342/denglu1.1/templates/shouye.html?_ijt=qijfc55i74avkg8umf7nn7oqt7">首页</a>
    <a href="http://localhost:63342/denglu1.1/templates/denglu1.1.html?_ijt=7qkhljvviqhhrvp78f6nv1jtqn">Login</a>
    <a href="http://localhost:63342/denglu1.1/templates/%E6%B3%A8%E5%86%8C.html?_ijt=bpr6ikepnp2sh7actb82n1m3dt">Enroll</a>

</nav>
<div class="area">

</div>


<div class="area1">
    <div class="img">
        <a href="https://baike.so.com/doc/5040370-5267074.html"><img
                src="http://pic1.win4000.com/wallpaper/e/53e18dbb02abb.jpg"></a>
        <div class="desc"><a href="https://baike.so.com/doc/5040370-5267074.html">薛定谔的猫</a></div>
    </div>
    <div class="img">
        <a href="https://www.zhihu.com/question/30454189">
            <img src="http://attachments.gfan.com/forum/attachments2/201410/31/000920jl0jdq270le88d9r.jpg">
        </a>
        <div class="desc"><a href="https://www.zhihu.com/question/30454189">中华田园猫的颜值可以多高？</a></div>
    </div>
    <div class="img">
        <a href="http://image.so.com/i?src=360pic_strong&z=1&i=2&cmg=5fa9918b43bdd880a720ad048811374f&q=猫">
            <img src="http://attachments.gfan.com/forum/201503/18/213547yy3u5muo8v3j3r6f.jpg"></a>
        <div class="desc"><a
                href="http://image.so.com/i?src=360pic_strong&z=1&i=2&cmg=5fa9918b43bdd880a720ad048811374f&q=猫">miow</a>
        </div>
    </div>
</div>

<br>
<br>
<div>
    HTML design by 201508030006 陈文琪
</div>
</body>
</html>

base.css

.img {
    border: 1px solid #cccccc;
    width: 250px;
    margin: 5px;
    float: left;

}

div.img img {
    width: 100%;
    height: auto;
}

div.desc {
    text-align: center;
    padding: 5px;
}

div.img:hover {
    border: 1px solid #000000;
}

.area {
    height: 300px;
}


.area1 {
    height: 180px;
}

base.js

function mySwitch() {
    var oBody = document.getElementById("myBody");
    var oOnoff = document.getElementById("myOnOff");
    if (oOnoff.src.match(4034066)) {
        oOnoff.src = "http://p2.so.qhimgs1.com/t01d1c4018fa8f64a6e.gif";
        oBody.style.background = "black";
        oBody.style.color = "yellow";
    } else {
        oOnoff.src = "http://img3.redocn.com/tupian/20150409/shouhuihuangsetaiyangshiliangsucai_4034066.jpg";
        oBody.style.background = "white";
        oBody.style.color = "black";
    }


}

base白天

base夜晚