angular js 全选/消除全选 和 layer删除确认框

js：
 // 全选/取消全选
    $scope.selectAll = function(object) {
        for (var i = 0; i < $scope.listLiveRoom.length; i++) {
            $scope.listLiveRoom[i].ISCHECK = !$scope.selAll;
        }
    };
    // checkbox状态改变
    $scope.chkChange = function() {
        var j = 0;
        for (var i = 0; i < $scope.listLiveRoom.length; i++) {
            if (!$scope.listLiveRoom[i].ISCHECK) {
                $scope.selAll = false;
            }
            if ($scope.listLiveRoom[i].ISCHECK) {
                j++;
            }
        }
        if (j == $scope.listLiveRoom.length) {
            $scope.selAll = true;
        }
    };

// 删除确认对话框表示
    $scope.showConfirm = function() {//TODO
        // 选中对象确认
        var intCount = 0;
            for (var i = 0; i < $scope.listBackPlayRoom.length; i++) {
        
                if ($scope.listBackPlayRoom[i].ISCHECK2 == true) {
                    intCount++;
                }
            }
    
        if (intCount == 0) {
            $scope.error = "请选择删除对象。";
            return;
        }
        var title = "确认";

        $scope.confirmContent = '确定要删除吗？';

        var mydom = $('#confirmDlg');
        layer.open({
            type : 1,
            shadeClose : false,
            area : [ '450px', '160px' ],
            title : title,
            content : mydom,
            btn : [ '确定', '取消' ],
            btn1 : function(index, layero) {
            },
            btn2 : function(index) {
                layer.close(index);
            },
            yes : function(index, layero) {
                layer.close(index);
                delObj();
            },
            success : function(layero, index) {
                mydom.show();
            },
            end : function() {
                mydom.hide();
            },
        });
    };
    function delObj() {
        $scope.error = "";
        var idList = "";
        // 获取要删除的数据
        if ($scope.listBackPlayRoom&& $scope.listBackPlayRoom.length > 0) {
            for (var i = 0; i < $scope.listBackPlayRoom.length; i++) {
                if ($scope.listBackPlayRoom[i].ISCHECK2 == true) {
                    if (idList != "") {
                        idList += ",";// 以逗号分隔
                    }
                    idList += $scope.listBackPlayRoom[i].playbackId;
                }
            }
        }
        if (idList != "") {
            $http({
                method : "post",
                url : "find/deleteBackPlayRoom",
                data : {
                    "idList" : idList
                }
            }).success(function(rs, status, headers, config) {
                chkSession(rs);
                if (rs.status == 0) {
                    // 更新后数据表示
                    $scope.inittable();
                    select();
                    $scope.success = rs.message;
                } else {
                    $scope.error = "操作失败。";
                }
            }).error(function(rs, status, headers, config) {
                $scope.error = "操作时，发生系统异常。";
            });
        }
    };

Freemarker：
<th><input id="all2" name="check2" type="checkbox" data-ng-model="selAll2" data-ng-click="selectAll2(this)">
            </th>

    <td><input id="special2"    type="checkbox" data-ng-model="row.ISCHECK2" data-ng-change="chkChange2()"></td>

<div id="dialog">
    <div id="confirmDlg" style="display: none;">
        <div style="margin: 20px;">
            <label id="confirmContent"> {{confirmContent}}</label>
        </div>
    </div>
</div>

Controller：
// TODO 删除playbackRoom
public void deleteBackPlayRoom() throws ServiceException {
        Map<String, Object> result = new HashMap<>();
        UserBean userBean = getSessionAttr(CommonValue.USER_SESSION_KEY);
        String playbackRoomIds = getPara("idList");
        String[] idArrList = playbackRoomIds.split(",");
        String updUserId = "maple";
        Timestamp ts = new Timestamp(System.currentTimeMillis());
        if (userBean != null) {
            updUserId = userBean.getUpdUsrId();
            // updDat = userBean.getUpdDat();
        }
        int total = 0;
        int success = 0;
        if (idArrList != null && idArrList.length > 0) {
            for (int i = 0; i < idArrList.length; i++) {
                total++;
                String id = idArrList[i];
                if (!StringUtils.isEmpty(id)) {
                    // 删除
                    TblplaybackroomBo updObj = null;
                    
                    updObj = playbackDao.selectByIdForUpdate(id);
                    updObj.delFlg = 1;
                    updObj.updDat = ts;
                    updObj.updUsrId = updUserId;
                    playbackDao.update(updObj);
                    success++;
                } else {
                    result.put("status", -1);
                }
            }
            result.put("status", 0);
            result.put("message", "删除处理结束。成功：" + success + "条，失败：" + (total - success) + "条。");

        }