tab 页切换后, js 会导致之前的 webuploader 渲染失败。正确的做法是：

$('.js_new_article_link[data-toggle="tab"]').on('shown.bs.tab', function (e) {    imgUpload.advancedUpload(function () {        layer.msg("图片上传成功");    });});

如上。

文件上传相关工具

define(["jquery", "webuploader"], function ($, WebUploader) {    var multipleUpload = function (el, hiddenFiled, picker, callback) {        var $list = $("" + el);        var baseUrl = /https?:\/\/[^\/]+/.exec(location.href)[0];        var uploader = WebUploader.create({            auto: true,            server: baseUrl + '/file/upload',            pick: {                id: '' + picker,                multiple: false            },            accept: {                title: 'Images',                extensions: 'gif,jpg,jpeg,bmp,png',                mimeTypes: 'image/*'            },            resize: true,            method: "POST",            formData: {                bucket: $list.data('bucket')            }        });        uploader.on('fileQueued', function (file) {            var $li = $(                '
    
     ' +                '
     ' +                '
    
'                ),                $img = $li.find('img');            $list.find('img').remove();            var loadComponent = $list.find('.fileupload-component');            loadComponent.before($li);            uploader.makeThumb(file, function (error, src) {                if (error) {                    $img.replaceWith('不能预览');                    return;                }                $img.attr('src', src);            }, 1, 1);        });        uploader.on('uploadSuccess', function (file, res) {            uploader.removeFile(file,true);            $('' + hiddenFiled).val(res.data.objectName);            if (callback != null) {                callback(uploader, file, res);            }        });        uploader.on('uploadError', function (file) {            alert("failed 2")        });    };    var advancedUpload = function (callback) {        multipleUpload("#fileList", '.js_upload_field', '#filePicker', callback);    };    return {        advancedUpload: advancedUpload,        multipleUpload: multipleUpload    }});