实例
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>我的家乡--福州</title>
<style type="text/css">
.box {
width: 500px;
height: 700px;
background-color: #efefef;
border: 1px solid lightgray;
margin: 20px auto;
text-align: center;
color: #636363;
box-shadow: 2px 2px 2px #999;
}
.box ul {
margin:0;
padding:0;
/*将ul转为BFC独立块,使之不受内部浮动元素的影响*/
overflow: hidden;
}
.box ul li {
list-style-type: none;
float:left;
background-color: skyblue;
margin-left: 20px;
}
.box ul li a {
/*将a转为块元素,并设置为li的宽高,这样可以使整个li可以被点击*/
display: block;
width: 100px;
height: 40px;
line-height: 40px;
color: white;
text-decoration: none;
}
.box ul li:hover {
font-size:1.2em;
background-color: coral;
}
.active {
font-size:1.2em;
background-color: coral;
}
.box .pic {
width: 450px;
height:450px;
border: 1px solid lightgray;
margin: 50px auto 0;
}
.box .pic img {
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<div class="box">
<h2>我的家乡</h2>
<ul>
<li>
<a href="images/3f7x.png" title="三坊七巷,镇海楼,三山两塔..." >风景名胜</a>
</li>
<li>
<a href="images/lzx.png" title="林则徐,冰心,林觉民....">历史名人</a>
</li>
<li>
<a href="images/ftq.png" title="佛跳墙,肉燕,鼎边糊....">风味美食</a>
</li>
</ul>
<div class="pic">
<img src="images/zwt.png" alt="" id="img">
</div>
<p id='info'></p>
</div>
<script>
var lia = document.getElementsByTagName('a');
var img = document.getElementById('img');
var p = document.getElementById('info');
for (var i=0; i < lia.length;i++) {
lia[i].onclick = function () {
//移除所有用户锁定功能,并为当前点击增加锁定
for (var i = 0; i < lia.length; i++) {
lia[i].classList.remove('active');
}
this.classList.add('active');
var picUrl = this.href;
var picInfo = this.title;
var picName = this.innerHTML;
img.src = picUrl;
p.innerHTML = '<span style="color:coral">' + picName + ':' + picInfo + '</span>';
return false;
};
}
</script>
</body>
</html>运行实例 »
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