Layui多文件上傳進度條

Layui原生upload模塊不支持文件上傳進度條顯示，百度，谷歌找了一下不太適用。后面找到一個別人修改好的JS，替換上去，修改一下頁面顯示即可使用，一下是部分代碼

HTML:

<div class="layui-upload">
        <button type="button" class="layui-btn layui-btn-normal" id="fileList">選擇多文件</button>
        <div class="layui-upload-list">
            <table class="layui-table">
                <thead>
                <tr><th>文件名</th>
                    <th>大小</th>
                    <th>上傳進度</th>
                    <th>狀態(tài)</th>
                    <th>操作</th>
                </tr></thead>
                <tbody id="demoList"></tbody>
            </table>
        </div>
        <button type="button" class="layui-btn" id="fileListAction">開始上傳</button>
    </div>

JS部分：

var files;
    //多文件列表示例
    var demoListView = $('#demoList')
        , uploadListIns = upload.render({
            elem: '#fileList'
            , size: 102400 //限制文件大小，單位 KB
            , exts: 'zip|rar|7z|doc|docx|pdf|txt|xls|ppt|xlsx|pptx|img|jpg|png|gif|bmp|jpeg' //只允許上傳壓縮文件
            , url: webroot + "/guarantee/upload/uploadFile?userid=123456"
            , accept: 'file'
            , multiple: true
            , auto: false
            , bindAction: '#fileListAction'
            , xhr: xhrOnProgress
            , progress: function (value) {//上傳進度回調 value進度值
                element.progress('demoList', value + '%')//設置頁面進度條
            }, xhr: function (index, e) {
                var percent = e.loaded / e.total;//計算百分比
                percent = parseFloat(percent.toFixed(2));
                element.progress('progress_' + index + '', percent * 100 + '%');
                console.log("-----" + percent);
            }
            // , data: JSON.stringify(Param)
            , choose: function (obj) {
                var files = this.files = obj.pushFile(); //將每次選擇的文件追加到文件隊列
                //讀取本地文件
                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 layui-progress-big" lay-filter="progress_'+index+'" lay-showPercent="true"><div class="layui-progress-bar" lay-percent="0%"></div></div></td>'
                        , '<td>等待上傳</td>'
                        , '<td>'
                        , '<button class="layui-btn layui-btn-xs demo-reload layui-hide">重傳</button>'
                        , '<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">刪除</button>'
                        , '</td>'
                        , '</tr>'].join(''));

                    //單個重傳
                    tr.find('.demo-reload').on('click', function () {
                        obj.upload(index, file);
                    });

                    //刪除
                    tr.find('.demo-delete').on('click', function () {
                        delete files[index]; //刪除對應的文件
                        tr.remove();
                        uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免刪除后出現同名文件不可選
                    });

                    demoListView.append(tr);
                });
            }

            ,
            before: function (obj) {
                this.data = {
                    "BUSINESS_ID": BUSINESS_ID,
                    "FLOW_ID": FLOW_ID,
                    "FLOW_NODE_ID": FLOW_NODE_ID,
                    "FILE_TYPE": FILE_TYPE
                }///攜帶額外的數據
            }
            ,
            done: function (res, index, upload) {
                if (res.code == 0) { //上傳成功
                    var tr = demoListView.find('tr#upload-' + index)
                        , tds = tr.children();
                    tds.eq(3).html('<span >上傳成功</span>');
                    tds.eq(4).html(''); //清空操作
                    var url = webroot + "/guarantee/itemFile/getItemFileByFlow?FLOW_ID=" + FLOW_ID + "&BUSINESS_ID=" + BUSINESS_ID + "&FLOW_NODE_ID=" + FLOW_NODE_ID + "&FILE_TYPE=" + FILE_TYPE
                    //刷新表格
                    table.reload('itemFileList', {
                        url: url
                        , where: {} //設定異步數據接口的額外參數
                        //,height: 300
                    });
                    return delete this.files[index]; //刪除文件隊列已經上傳成功的文件
                } else if (res.code == -1) {
                    layer.msg(res.msg);
                }
                this.error(index, upload);
            }

            ,
            error: function (index, upload) {
                var tr = demoListView.find('tr#upload-' + index)
                    , tds = tr.children();
                tds.eq(2).html('<span >上傳失敗</span>');
                tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //顯示重傳
            }
        })
    ;

注：還需替換layui的upload模塊的upload.js文件

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作者：onlooker
來源：三無青年博客br
原文：https://www.35youth.cn/644.html
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