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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>layui</title>
<meta name="renderer" content="webkit">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<link rel="stylesheet" href="//res.layui.com/layui/dist/css/layui.css" media="all">
<!-- 注意：如果你直接复制所有代码到本地，上述css路径需要改成你本地的 -->
</head>
<body>
<blockquote class="layui-elem-quote">为节省服务器开销，以下示例均未配置真实上传接口，所以每次上传都会报提示：请求上传接口出现异常，这属于正常现象。</blockquote>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>常规使用：普通图片上传</legend>
</fieldset>
<div class="layui-upload">
<button type="button" class="layui-btn" id="test1">上传图片</button>
<div class="layui-upload-list">
<img class="layui-upload-img" id="demo1">
<p id="demoText"></p>
</div>
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>上传多张图片</legend>
</fieldset>
<div class="layui-upload">
<button type="button" class="layui-btn" id="test2">多图片上传</button>
<blockquote class="layui-elem-quote layui-quote-nm" style="margin-top: 10px;">
预览图：
<div class="layui-upload-list" id="demo2"></div>
</blockquote>
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>指定允许上传的文件类型</legend>
</fieldset>
<button type="button" class="layui-btn" id="test3"><i class="layui-icon"></i>上传文件</button>
<button type="button" class="layui-btn layui-btn-primary" id="test4"><i class="layui-icon"></i>只允许压缩文件</button>
<button type="button" class="layui-btn" id="test5"><i class="layui-icon"></i>上传视频</button>
<button type="button" class="layui-btn" id="test6"><i class="layui-icon"></i>上传音频</button>
<div style="margin-top: 10px;">
<!-- 示例-970 -->
<ins class="adsbygoogle" style="display:inline-block;width:970px;height:90px" data-ad-client="ca-pub-6111334333458862" data-ad-slot="3820120620"></ins>
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>设定文件大小限制</legend>
</fieldset>
<button type="button" class="layui-btn layui-btn-danger" id="test7"><i class="layui-icon"></i>上传图片</button>
<div class="layui-inline layui-word-aux">
这里以限制 60KB 为例
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>同时绑定多个元素，并将属性设定在元素上</legend>
</fieldset>
<button class="layui-btn demoMore" lay-data="{url: '/a/'}">上传A</button>
<button class="layui-btn demoMore" lay-data="{url: '/b/', size:5}">上传B</button>
<button class="layui-btn demoMore" lay-data="{url: '/c/', accept: 'file',size:10}">上传C</button>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>选完文件后不自动上传</legend>
</fieldset>
<div class="layui-upload">
<button type="button" class="layui-btn layui-btn-normal" id="test8">选择文件</button>
<button type="button" class="layui-btn" id="test9">开始上传</button>
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>拖拽上传</legend>
</fieldset>
<div class="layui-upload-drag" id="test10">
<i class="layui-icon"></i>
<p>点击上传，或将文件拖拽到此处</p>
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>高级应用：制作一个多文件列表</legend>
</fieldset>
<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>
<tr><th>文件名</th>
<th>大小</th>
<th>状态</th>
<th>操作</th>
</tr></thead>
<tbody id="demoList"></tbody>
</table>
</div>
<button type="button" class="layui-btn" id="testListAction">开始上传</button>
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>绑定原始文件域</legend>
</fieldset>
<input type="file" name="file" id="test20">
<script src="//res.layui.com/layui/dist/layui.js" charset="utf-8"></script>
<!-- 注意：如果你直接复制所有代码到本地，上述js路径需要改成你本地的 -->
<script>
layui.use('upload', function(){
var $ = layui.jquery
,upload = layui.upload;
//普通图片上传
var uploadInst = upload.render({
elem: '#test1'
,url: '/upload/'
,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）
});
}
,done: function(res){
//如果上传失败
if(res.code > 0){
return layer.msg('上传失败');
}
//上传成功
}
,error: function(){
//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-xs demo-reload">重试</a>');
demoText.find('.demo-reload').on('click', function(){
uploadInst.upload();
});
}
});
//多图片上传
upload.render({
elem: '#test2'
,url: '/upload/'
,multiple: true
,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
}
});
//指定允许上传的文件类型
upload.render({
elem: '#test3'
,url: '/upload/'
,accept: 'file' //普通文件
,done: function(res){
console.log(res)
}
});
upload.render({ //允许上传的文件后缀
elem: '#test4'
,url: '/upload/'
,accept: 'file' //普通文件
,exts: 'zip|rar|7z' //只允许上传压缩文件
,done: function(res){
console.log(res)
}
});
upload.render({
elem: '#test5'
,url: '/upload/'
,accept: 'video' //视频
,done: function(res){
console.log(res)
}
});
upload.render({
elem: '#test6'
,url: '/upload/'
,accept: 'audio' //音频
,done: function(res){
console.log(res)
}
});
//设定文件大小限制
upload.render({
elem: '#test7'
,url: '/upload/'
,size: 60 //限制文件大小，单位 KB
,done: function(res){
console.log(res)
}
});
//同时绑定多个元素，并将属性设定在元素上
upload.render({
elem: '.demoMore'
,before: function(){
layer.tips('接口地址：'+ this.url, this.item, {tips: 1});
}
,done: function(res, index, upload){
var item = this.item;
console.log(item); //获取当前触发上传的元素，layui 2.1.0 新增
}
})
//选完文件后不自动上传
upload.render({
elem: '#test8'
,url: '/upload/'
,auto: false
//,multiple: true
,bindAction: '#test9'
,done: function(res){
console.log(res)
}
});
//拖拽上传
upload.render({
elem: '#test10'
,url: '/upload/'
,done: function(res){
console.log(res)
}
});
//多文件列表示例
var demoListView = $('#demoList')
,uploadListIns = upload.render({
elem: '#testList'
,url: '/upload/'
,accept: 'file'
,multiple: true
,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>等待上传</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);
});
}
,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(2).html('<span style="color: #5FB878;">上传成功</span>');
tds.eq(3).html(''); //清空操作
return delete this.files[index]; //删除文件队列已经上传成功的文件
}
this.error(index, upload);
}
,error: function(index, upload){
var tr = demoListView.find('tr#upload-'+ index)
,tds = tr.children();
tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
}
});
//绑定原始文件域
upload.render({
elem: '#test20'
,url: '/upload/'
,done: function(res){
console.log(res)
}
});
});
</script>
</body>
</html>
...全文
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