<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<title>文件上传模块 - layui</title>
<link rel="stylesheet" href="../src/css/layui.css">
<style>
body{padding: 50px 100px;}
.layui-upload-img{width: 92px; height: 92px; margin: 0 10px 10px 0;}
hr{margin: 30px 0;}
</style>
</head>
<body>
<div class="layui-upload">
<button type="button" class="layui-btn" id="test1" name="123">上传图片</button>
<div class="layui-upload-list">
<img class="layui-upload-img" src="" id="demo1">
<p id="demoText"></p>
</div>
</div>
<div class="layui-progress layui-progress-big" lay-showPercent="yes" lay-filter="demo">
<div class="layui-progress-bar" lay-percent=""></div>
</div>
<hr>
<div class="layui-upload">
<button type="button" class="layui-btn" id="test2">多图片上传</button>
<div class="layui-upload-list" id="demo2"></div>
</div>
<hr>
<div class="layui-upload">
<button type="button" class="layui-btn layui-btn-normal" id="testList">选择多文件</button>
<div class="layui-upload-list">
<table class="layui-table">
<thead>
<th>文件名</th>
<th>大小</th>
<th>上传进度</th>
<th>操作</th>
</thead>
<tbody id="demoList"></tbody>
</table>
</div>
<button type="button" class="layui-btn" id="testListAction">开始上传</button>
</div>
<hr>
<div class="layui-btn-container">
<button type="button" class="layui-btn test333" lay-data="{size:10,url:'a'}" id="test3"><i class="layui-icon"></i>上传文件</button>
<button type="button" class="layui-btn layui-btn-primary test333" lay-data="{size:20,url:'b'}" id="test33"><i class="layui-icon"></i>换个样式</button>
<button type="button" class="layui-btn" id="test4"><i class="layui-icon"></i>上传视频</button>
<button type="button" class="layui-btn" id="test5"><i class="layui-icon"></i>上传音频</button>
</div>
<hr>
<div class="layui-btn-container">
<button class="layui-btn testm" lay-data="{url: '/a/'}">参数设在元素上</button>
<button class="layui-btn testm" lay-data="{url: '/b/', accept: 'file',size:5}">参数设在元素上</button>
</div>
<hr>
<div class="layui-btn-container">
<button type="button" class="layui-btn layui-btn-normal" id="test6">选择文件</button>
<button type="button" class="layui-btn" id="test7">开始上传</button>
</div>
<hr><br>
<div class="layui-upload-drag" id="test8">
<i class="layui-icon"></i>
<p>点击上传，或将文件拖拽到此处</p>
</div>
<hr><br>
绑定原始文件域：<input type="file" name="file" id="test9">
<script src="../src/layui.js"></script>
<script>
layui.use(['upload', 'element'], function(){
var $ = layui.jquery
,upload = layui.upload
,element = layui.element;
var uploadInst = upload.render({
elem: '#test1'
,url: 'http://httpbin.org/post'
//,size: 2000 //限制文件大小，单位 KB
//,accept: 'file'
,method: 'get'
,fileAccept: 'image/*'
,exts: "jpg|png|gif|bmp|jpeg|pdf"
,data: { //额外参数
a: 1
,b: function(){
return 2
}
}
,choose: function(){
}
,before: function(obj){
//预读本地文件示例，不支持ie8
obj.preview(function(index, file, result){
$('#demo1').attr('src', result); //图片链接（base64）
});
return;
layer.msg('不允许上传')
return false;
}
,done: function(res){
//如果上传失败
if(res.code > 0){
return layer.msg('上传失败');
}
//上传成功
console.log(res);
}
,error: function(){
this.item.html('重选上传');
//演示失败状态，并实现重传
var demoText = $('#demoText');
demoText.html('<span style="color: #FF5722;">上传失败</span> <a class="layui-btn layui-btn-mini demo-reload">重试</a>');
demoText.find('.demo-reload').on('click', function(){
uploadInst.upload();
});
element.progress('demo', '0%');
}
,progress: function(n, elem, res, index){
console.log(n + '%', elem, res); //获取进度百分比
element.progress('demo', n + '%'); //可配合 layui 进度条元素使用
}
});
//重置上述 upload 实例
uploadInst.reload({
name:'avatar'
,accept: 'images' //只允许上传图片
,acceptMime: 'image/*' //只筛选图片
//,size: 2
});
upload.render({
elem: '#test2'
,multiple: true
,number: 3
,size: 1024
,before: function(obj){
//预读本地文件示例，不支持ie8
obj.preview(function(index, file, result){
$('#demo2').append('<img src="'+ result +'" alt="'+ file.name +'" class="layui-upload-img">')
});
}
,done: function(res){
//上传完毕
}
,allDone: function(obj){
console.log(obj)
}
});
//演示多文件列表
var demoListView = $('#demoList');
var uploadListIns = upload.render({
elem: '#testList'
,url: 'http://httpbin.org/post'
,accept: 'file'
,multiple: true
,number: 3
,auto: false
,bindAction: '#testListAction'
,choose: function(obj){
var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
//读取本地文件
obj.preview(function(index, file, result){
var tr = $(['<tr id="upload-'+ index +'">'
,'<td>'+ file.name +'</td>'
,'<td>'+ (file.size/1014).toFixed(1) +'kb</td>'
,'<td><div class="layui-progress" lay-filter="progress-'+ index +'"><div class="layui-progress-bar" lay-percent=""></div></div></td>'
,'<td>'
,'<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>'
,'<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>'
,'</td>'
,'</tr>'].join(''));
//单个重传
tr.find('.demo-reload').on('click', function(){
obj.upload(index, file);
});
//删除
tr.find('.demo-delete').on('click', function(){
delete files[index]; //删除对应的文件
tr.remove();
uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
});
demoListView.append(tr);
element.render('progress');
});
}
,done: function(res, index, upload){
//if(res.code == 0){ //上传成功
var tr = demoListView.find('tr#upload-'+ index)
,tds = tr.children();
tds.eq(3).html(''); //清空操作
delete this.files[index]; //删除文件队列已经上传成功的文件
return;
//}
this.error(index, upload);
}
,allDone: function(obj){
console.log(obj)
}
,error: function(index, upload){
var tr = demoListView.find('tr#upload-'+ index)
,tds = tr.children();
tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
}
,progress: function(n, elem, e, index){
console.log(n);
element.progress('progress-'+ index, n + '%'); //进度条
}
});
upload.render({
elem: '.test333'
,url: 'a'
,accept: 'file'
,before: function(obj){
console.log(this.item);
}
,done: function(res){
console.log(res)
}
});
upload.render({
elem: '.testm'
,done: function(res, index, upload){
//获取当前触发上传的元素，一般用于 elem 绑定 class 的情况，注意：此乃 layui 2.1.0 新增
var item = this.item;
}
})
/*
upload.render({
elem: '#test33'
,url: ''
,accept: 'file'
,done: function(res){
console.log(res)
}
});*/
upload.render({
elem: '#test4'
,url: ''
,accept: 'video'
,done: function(res){
console.log(res)
}
});
upload.render({
elem: '#test5'
,url: ''
,accept: 'audio'
,done: function(res){
console.log(res)
}
});
//手动上传
upload.render({
elem: '#test6'
,url: ''
,auto: false
//,multiple: true
,bindAction: '#test7'
,choose1: function(obj){
var that = this;
obj.preview(function(index, file){
console.log(file.name);
obj.resetFile(index, file, '123.jpg');
});
}
,before: function(){
console.log(345);
}
,done: function(res){
console.log(res);
}
});
upload.render({
elem: '#test8'
,url: 'http://httpbin.org/post'
,done: function(res){
console.log(res);
}
});
upload.render({
elem: '#test9'
,url: ''
,done: function(res){
console.log(res);
}
});
});
</script>
</body>
</html>