<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<style>
ul,
li,
p {
padding: 0;
margin: 0;
}
ul,
li {
list-style: none;
}
#box {
width: 1000px;
height: 600px;
border: 1px solid #000;
margin: 50px auto;
text-align: center;
position: relative;
}
input {
margin-top: 30px;
width: 100px;
height: 30px;
line-height: 30px;
border: 1px solid #ccc;
background: #009999;
color: #fff;
outline: none;
}
ul {
width: 1000px;
height: 500px;
top: 100px;
position: absolute;
background: #fff;
}
ul li {
width: 240px;
height: 250px;
float: left;
padding: 0 5px 10px 5px;
}
ul li img {
width: 240px;
height: 200px;
vertical-align: top;
}
p {
background: #ccc;
height: 30px;
line-height: 30px;
color: #006598;
font-weight: bold;
}
</style>
</head>
<body>
<div id="box">
<input type="button" value="从大到小" />
<input type="button" value="打乱顺序" />
<ul>
<li>
<img src="img/1.jpg" alt="">
<p>1 - 言叶之庭01</p>
</li>
<li>
<img src="" alt="">
<p></p>
</li>
<li>
<img src="" alt="">
<p></p>
</li>
<li>
<img src="" alt="">
<p></p>
</li>
<li>
<img src="" alt="">
<p></p>
</li>
<li>
<img src="" alt="">
<p></p>
</li>
<li>
<img src="" alt="">
<p></p>
</li>
<li>
<img src="" alt="">
<p></p>
</li>
</ul>
</div>
<script>
var aLi = document.getElementsByTagName('li');
var aInp = document.getElementsByTagName('input');
var a = true
var json = {
'Url': ['img/1.jpg', 'img/2.jpg', 'img/3.jpg', 'img/4.jpg', 'img/5.jpg', 'img/6.jpg', 'img/7.jpg', 'img/8.jpg'],
'title': ['1 - 言叶之庭01', '2 - 言叶之庭02', '3 - 言叶之庭03', '4 - 言叶之庭04', '5 - 言叶之庭05', '6 - 言叶之庭06', '7 - 言叶之庭07', '8 - 言叶之庭08']
};
var num = [0, 1, 2, 3, 4, 5, 6, 7];
for(var i = 0; i < aLi.length; i++) {
var oImg = aLi[i].getElementsByTagName("img")[0]
var oP = aLi[i].getElementsByTagName("p")[0]
oImg.src = json.Url[num[i]]
oP.innerHTML = json.title[num[i]]
}
aInp[0].onclick = function() {
if(a) {
num.sort(function(a, b) {
return b - a
})
for(var i = 0; i < aLi.length; i++) {
var oImg = aLi[i].getElementsByTagName("img")[0]
var oP = aLi[i].getElementsByTagName("p")[0]
oImg.src = json.Url[num[i]] //打乱数组【Url】顺序，如:初始num[0],打乱了后，比如var num = [1, 0, 2, 3, 4, 5, 6, 7];则num【0】等于1
oP.innerHTML = json.title[num[i]]
}
aInp[0].value = "从小到大"
a = false
} else {
num.sort(function(a, b) {
return a - b
})
for(var i = 0; i < aLi.length; i++) {
var oImg = aLi[i].getElementsByTagName("img")[0]
var oP = aLi[i].getElementsByTagName("p")[0]
oImg.src = json.Url[num[i]]
oP.innerHTML = json.title[num[i]]
}
aInp[0].value = "从大到小"
a = true
}
}
aInp[1].onclick = function() {
num.sort(function(a, b) {
return Math.random() - 0.5
})
for(var i = 0; i < aLi.length; i++) {
var oImg = aLi[i].getElementsByTagName("img")[0]
var oP = aLi[i].getElementsByTagName("p")[0]
oImg.src = json.Url[num[i]]
oP.innerHTML = json.title[num[i]]
}
}
</script>
</body>
</html>