layui文件列表上传实例

layui文件列表上传实例

 <div class="layui-inline" style="margin-left: 132px">
            <label class="layui-form-label">文件上传</label>
            <div class="layui-upload" style="margin-left: 110px">
                <button type="button" class="layui-btn " id="test8">选择文件</button>
                <button type="button" class="layui-btn" id="testListAction">开始上传</button>
            </div>
        </div>

var uploadIndex;
        var demoListView = $('#demoList')
            , uploadListIns = upload.render({
            elem: '#test8'
            , url: "/uploadFile"
            , accept: 'file'
            , multiple: true
            , auto: false
            , size: 51200
            , bindAction: '#testListAction'
            , before: function () {
                uploadIndex = layer.msg('上传中,请稍后...', {time: 0, icon: 16,shade:0.01})
            }, allDone: function (obj) {
                if (uploadIndex) {
                    layer.close(uploadIndex);
                }
                //防止无文件上传点击触发load
                $("#testListAction").attr("disabled", true);
            }
            , choose: function (obj) {
                $('#testListAction').removeAttr("disabled");
                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 / 1024).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 () {
                     	//删除对应的文件
                        delete files[index];
                        tr.remove();
                        //清空 input file 值，以免删除后出现同名文件不可选
                        uploadListIns.config.elem.next()[0].value = ''; 
                    });
                    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
                    $('#fileCd').append(res.fileCd + ",");
                    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
            }
        });