Devextreme Scheduler扩展拖动选择时间功能（代码教程）

Devextreme Scheduler 扩展拖动选择时间功能（代码教程）

data: meeting(会议)

resourcesData: resource（如房间）

date: scheduler选择的时间 

 var scheduler = {

        Set: function (data, resourcesData, date) {
            var Dates = [];
            var downHandler = function (e) {
                var el = $(e.target);
                if (el.hasClass("dx-scheduler-date-table-cell")) {
                    startData = el.data().dxCellData;
                    isSelectionStarted = true;
                    target = e.target;
                    setCookie("ResourceId", startData.groups.ResourceId);
                }
            }
            var upHandler = function (e) {
                e.cancel = true;
                var el = $(e.target);
                if (el.hasClass("dx-scheduler-date-table-cell") && target !== e.target) {
                    if (isSelectionStarted) {
                        Dates.length = 0;
                        Dates.push(startData.startDate);
                        Dates.push(startData.endDate);
                        Dates.push(el.data().dxCellData.startDate);
                        Dates.push(el.data().dxCellData.endDate);
                        result = sort(Dates);
                        console.log(result);
                    
                        DragStime = convertTime(result[0][0], "all");
                        DragEnd = convertTime(result[0][3], "all");
                      
                    }
                }
                isSelectionStarted = false;
                target = null;
                startData = null;
            }
            $("#scheduler").dxScheduler({
                dataSource: data,
                views: ["timelineMonth"],
                currentView: "timelineMonth",
                currentDate: date,
                firstDayOfWeek: 0,             
                cellDuration: 60,
                crossScrollingEnabled: true,
                groups: ['ResourceId'],
                resources: [{
                    fieldExpr: "ResourceId",
                    allowMultiple: true,
                    dataSource: resourcesData,
                }],
                editing: {
                    allowAdding: false,
                    allowUpdating: false,
                    allowDeleting: false,
                    allowDragging: false,
                    allowEditing: false,
                },
                onCellClick: function (e) {
                    e.cancel = true;
                    $('#myModal').modal('show')
                },
                onAppointmentDblClick: function (e) {
                    e.cancel = true;
                    //$('#myModal').modal('show')
                },
                onAppointmentFormCreated: function (e) {
                    e.cancel = true;
                },
                onAppointmentClick: function (e) {
                    e.cancel = true;
                },
                height: 580,
                onContentReady: function (arg) {
                    $(arg.element).off("dxpointerdown", downHandler);
                    $(arg.element).off("dxpointerup", upHandler);
                    $(arg.element).on("dxpointerdown", downHandler);
                    $(arg.element).on("dxpointerup", upHandler);
                    //arg.element.find(".dx-scheduler-date-table-cell").mousemove(function (arg) {
                    //console.log($(arg.target).data("dxCellData"));
                    //});鼠标滑过捕捉对应数据
                    //document.getElementsByClassName('dx-scrollable-scroll-content').scrollLeft = 0;
                    //console.log($("p.dx-scrollable-scroll.dx-state-invisible"));
                },
            });
        }
    }