var centerBPoints=[BPoint1,BPoint2,BPoint3,...];


                    var driving = new BMap.DrivingRoute(editMap, {
                        renderOptions: {
                            map: editMap, autoViewport: false, enableDragging: true,
                        }
                    });
                    points 
 
= [];

                    //driving.search(centerBPoints[0], centerBPoints[centerBPoints.length - 1]);

                    var waypoints = [];

                    for (var i = 1; i < centerBPoints.length - 1; i++) {
                        waypoints.push(centerBPoints[i]);
                    }

                    driving.search(centerBPoints[
 
0], centerBPoints[centerBPoints.length - 1], { waypoints: waypoints });

                    driving.setPolylinesSetCallback(function () {
                        points = [];
                        var plan = driving.getResults().getPlan(0);    //通過駕車實例，獲得一系列點的數組

                        $("#ForecastDistance").val(plan.getDistance(true
 
));
                        $("#ForecastDuration").val(plan.getDuration(true));

                        for (var i = 0; i < plan.getNumRoutes() ; i++) {
                            var route = plan.getRoute(i);
                            var pts = route.getPath();
                            for (var j = 0; j < pts.length; j++) {
                                points.push(pts[j]);
                            }
                        }
                    });

                    editMap.setViewport([centerBPoints[0], centerBPoints[centerBPoints.length - 1]]);

百度地圖 駕車路線編輯粗淺實例