Preload is a picture preloading jQuery plug-in.
//= require jquery
...
//= require preload
| Name | Type | Default | Description |
|---|---|---|---|
| imgs | Array | [] | 预加载的图片地址列表 |
| options | Object | {} | 配置参数对象 |
| Name | Type | Default | Description |
|---|---|---|---|
| order | Boolean | false | 默认值false，代表无序加载 |
| minTimer | Number | 0 | 完成加载的最少时间，单位ms，默认为0，一般展示类型的loading动画会需要设置 |
| each | Function | null | 单张图片加载完执行的方法,一般会修改进度状态 |
| end | Function | null | 所有图片加载完执行的方法，一般会隐藏loading层 |
<style>
html,body {width: 100%;}
.box {text-align: center;}
a {display: inline-block;height: 30px;line-height: 30px;border: 1px solid #ccc;background-color: #fff;padding: 0 10px;margin-right: 50px;}
a:hover {background-color: #aaaaaa;}
.loading {position: fixed;top: 0;left: 0;width: 100%;height: 100%;text-align: center;font-size: 30px;background-color: #fff;}
.xl-progress-wp{position: absolute;width: 300px;height: 100px;top: 50%;left: 50%;margin: -50px 0 0 -150px;}
.xl-progress {position: relative;width: 100%;height: 16px;border-radius: 20px;background-color: #eeeeed;overflow: hidden;}
.xl-progress__inner {position: absolute;top: 0;left: 0;height: 100%;border-radius: 20px;background-color: #f3d08c;}
.xl-progress__txt {color: #959595;margin-top: 7px;text-align: center;}
</style>
<div class="box">
<img src="img/brief_1.jpg" alt="pic" id="img" style="width: 720px;height:400px;">
<p>
<a href="javascript:;" class="btn" data-controller="prev">上一页</a>
<a href="javascript:;" class="btn" data-controller="next">下一页</a>
</p>
</div>
<div class="loading">
<div class="xl-progress-wp">
<div class="xl-progress">
<i class="xl-progress__inner" style="width:0%;"></i>
</div>
<div class="xl-progress__txt">0%</div>
</div>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script src="js/preload.js"></script>
<script>
var imgs = [
'img/brief_1.jpg',
'img/brief_2.jpg',
'img/brief_3.jpg',
'img/brief_4.jpg',
'img/brief_5.jpg',
'img/brief_6.jpg',
'img/brief_7.jpg',
'img/brief_8.jpg',
'img/brief_9.jpg',
'img/brief_10.jpg',
'img/brief_11.jpg'
];
var index = 0,
len = imgs.length,
progressInner = $(".xl-progress__inner"),
progressTxt = $('.xl-progress__txt');
//图片预加载
$.preload(imgs, {
minTimer: 3000,
//每加载完一张执行的方法
each: function (count) {
var percent = Math.round((count+1) / len * 100) + '%';
progressInner.css("width",percent);
progressTxt.html(percent);
},
// 加载完所有的图片执行的方法
end: function () {
$('.loading').hide();
}
});
</script>
The MIT License(http://opensource.org/licenses/MIT)
Please feel free to use and contribute to the development.
If you have any ideas or suggestions to improve Preload, welcome to submit an issue/pull request.