oading = layer.load(1, {
                                            shade: [0.1, '#fff'] //0.1透明度的白色背景
                                        });
                                        admin.req({
                                            type: 'post',
                                            url: ctxPath + 'monitor-db/test-monitor-db',
                                            data: field,
                                            dataType: 'json',
                              