夜间模式的开启与关闭，父模板的制作

1.夜间模式的开启与关闭

   a.放置点击的按钮或图片。

   b.定义开关切换函数。

   c.onclick函数调用。

2.父模板的制作

   a.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。

   b.汇总相关的样式形成独立的css文件。

   c.汇总相关的js代码形成独立的js文件。

   d.形成完整的base.html+css+js

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

</head>
<body id="myBody">
<nav>
    <img id="myOnOff" onclick="mySwitch()"
         src="http://pic35.photophoto.cn/20150601/0007020186231436_b.jpg" width="30px">
   <a href="">首页</a>
    <input type="text" ></input>
    <button type="submit">搜索</button>
   <a href="">分享</a>
   <a href="">登录</a>
   <a href="">注册</a>

</nav>
<div class="area">
<h1 align="center">中国著名旅游城市</h1>
</div>

   <div class="area1">
    <div class="img">
        <a href="https://baike.baidu.com/item/%E5%B9%BF%E5%B7%9E/72101?fr=aladdin">
            <img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1509630548489&di=adba3a1ea0d4feb1feb7eba085647518&imgtype=0&src=http%3A%2F%2Fimgsrc.baidu.com%2Fimgad%2Fpic%2Fitem%2Fac6eddc451da81cb483de8c75866d016082431e4.jpg"></a>
        <div class="desc"><a href="https://baike.baidu.com/item/%E5%B9%BF%E5%B7%9E/72101?fr=aladdin">广东广州</a></div>
    </div>
    <div class="img">
        <a href="https://baike.baidu.com/item/%E6%9D%AD%E5%B7%9E/147639?fr=aladdin">
            <img src="http://imgsrc.baidu.com/image/c0%3Dshijue1%2C0%2C0%2C294%2C40/sign=979a149194510fb36c147fd4b15aa2e0/0e2442a7d933c895a014c253db1373f0820200ab.jpg"></a>
        <div class="desc"><a href="https://baike.baidu.com/item/%E6%9D%AD%E5%B7%9E/147639?fr=aladdin">浙江杭州</a></div>
    </div>
     <div class="img">
        <a href="https://baike.baidu.com/item/%E8%8B%8F%E5%B7%9E/122945?fr=aladdin">
            <img src="https://gss0.bdstatic.com/-4o3dSag_xI4khGkpoWK1HF6hhy/baike/c0%3Dbaike116%2C5%2C5%2C116%2C38/sign=851415cddaa20cf4529df68d17602053/91ef76c6a7efce1b41805a80a551f3deb58f65d5.jpg"></a>
        <div class="desc"><a href="https://baike.baidu.com/item/%E8%8B%8F%E5%B7%9E/122945?fr=aladdin">江苏苏州</a></div>
     </div>
      <div class="img">
        <a href="https://baike.baidu.com/item/%E6%A2%85%E5%B7%9E/2554831"><img
                src="http://img.bimg.126.net/photo/ykhiaI9wi-0amBIH-QubnA==/1456070054525275946.jpg"></a>
        <div class="desc"><a href="https://baike.baidu.com/item/%E6%A2%85%E5%B7%9E/2554831">广东梅州</a></div>
     </div>
      </div>
<br>
<br>
<footer>
     <div class="footer_box">
        design by XFY
     </div>
</footer>
</body>
</html>
.img {
    width: 300px;
    border: 1px solid #cccccc;
    margin: 5px;
    float: left;
}
div.img img {
    width: 100%;
    height: auto;
}
div.img:hover {
    border: 1px solid #000000;
}
div.desc {
    text-align: center;
    padding: 5px;
}
.area {
    height: 250px;
}
.area1 {
    height: 100px;
}
footer{
     position:absolute;
     bottom:0;
     width:100%;
}
footer .footer_box{
     background-color:deepskyblue;
     padding: 10px;
     color : black;
     text-align: center;
}
function mySwitch() {
    var oBody = document.getElementById("myBody");
    var oOnoff = document.getElementById("myOnOff");
    if (oOnoff.src.match("b")) {
        oOnoff.src = "http://file.gaofen.com/cp/2012/09/20120911102639465.jpg";
        oBody.style.background = "black";
        oBody.style.color = "white";
    } else {
        oOnoff.src = "http://pic35.photophoto.cn/20150601/0007020186231436_b.jpg";
        oBody.style.background = "white";
        oBody.style.color = "black";
    }


}

 

posted @ 2017-11-02 19:43  004熊锋阳  阅读(291)  评论(0)  编辑  收藏  举报