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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>示例演示</title>
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<meta name="renderer" content="webkit">
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<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link href="../lib/layui/css/layui.css" rel="stylesheet">
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</head>
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<body>
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<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
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<legend>高级应用：制作一个多文件列表</legend>
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</fieldset>
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<div class="layui-upload">
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<button type="button" class="layui-btn layui-btn-normal" id="testList">选择多文件</button>
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<div class="layui-upload-list" style="max-width: 1000px;">
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<table class="layui-table">
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<colgroup>
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<col>
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<col width="150">
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<col width="260">
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<col width="150">
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</colgroup>
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<thead>
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<tr>
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<th>文件名</th>
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<th>大小</th>
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<th>上传进度</th>
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<th>操作</th>
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</tr>
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</thead>
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<tbody id="demoList"></tbody>
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</table>
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</div>
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<button type="button" class="layui-btn" id="testListAction">开始上传</button>
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</div>
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<script src="../lib/layui/layui.js"></script>
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<script>
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layui.use(['upload', 'element', 'layer'], function () {
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var $ = layui.jquery
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, upload = layui.upload
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, element = layui.element
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, layer = layui.layer;
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//演示多文件列表
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var uploadListIns = upload.render({
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elem: '#testList'
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, elemList: $('#demoList') //列表元素对象
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, url: 'https://httpbin.org/post' //此处用的是第三方的 http 请求演示，实际使用时改成您自己的上传接口即可。
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, accept: 'file'
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, multiple: true
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, number: 3
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, auto: false
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, bindAction: '#testListAction'
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, choose: function (obj) {
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var that = this;
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var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
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//读取本地文件
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obj.preview(function (index, file, result) {
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var tr = $(['<tr id="upload-' + index + '">'
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, '<td>' + file.name + '</td>'
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, '<td>' + (file.size / 1024).toFixed(1) + 'kb</td>'
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, '<td><div class="layui-progress" lay-filter="progress-demo-' + index + '"><div class="layui-progress-bar" lay-percent=""></div></div></td>'
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, '<td>'
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, '<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>'
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, '<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>'
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, '</td>'
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, '</tr>'].join(''));
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//单个重传
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tr.find('.demo-reload').on('click', function () {
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obj.upload(index, file);
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});
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//删除
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tr.find('.demo-delete').on('click', function () {
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delete files[index]; //删除对应的文件
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tr.remove();
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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
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});
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that.elemList.append(tr);
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element.render('progress'); //渲染新加的进度条组件
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});
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}
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, done: function (res, index, upload) { //成功的回调
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var that = this;
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//if(res.code == 0){ //上传成功
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var tr = that.elemList.find('tr#upload-' + index)
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, tds = tr.children();
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tds.eq(3).html(''); //清空操作
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delete this.files[index]; //删除文件队列已经上传成功的文件
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return;
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//}
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this.error(index, upload);
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}
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, allDone: function (obj) { //多文件上传完毕后的状态回调
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console.log(obj)
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}
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, error: function (index, upload) { //错误回调
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var that = this;
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var tr = that.elemList.find('tr#upload-' + index)
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, tds = tr.children();
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tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
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}
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, progress: function (n, elem, e, index) { //注意：index 参数为 layui 2.6.6 新增
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element.progress('progress-demo-' + index, n + '%'); //执行进度条。n 即为返回的进度百分比
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}
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});
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});
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</script>
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</body>
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</html>
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