高德地图根据经纬度画折线, 虚线(以两个点为例)

来源：互联网发布：找什么样的老公知乎编辑：程序博客网时间：2024/05/16 08:44
- (void)createBrokenLine{   CLLocationCoordinate2D commonPolyLineCoords[2];   for (int i =0; i < self.dataParkLaneArr.count; i ++) {// 点的信息Model       ParkInfo *parkInfo = self.dataParkLaneArr[i];       // 点1  字符串形式的经纬度以逗号分隔;       CGFloat p1Longitude = [parkInfo.entrance componentsSeparatedByString:@","][0].floatValue;       CGFloat p1Latitude = [parkInfo.entrance componentsSeparatedByString:@","][1].floatValue;       // 点2       CGFloat p2Longitude = [parkInfo.exitus componentsSeparatedByString:@","][0].floatValue;       CGFloat p2Latitude = [parkInfo.exitus componentsSeparatedByString:@","][1].floatValue;                commonPolyLineCoords[0].longitude = p1Longitude;        commonPolyLineCoords[0].latitude = p1Latitude;                commonPolyLineCoords[1].longitude = p2Longitude;        commonPolyLineCoords[1].latitude = p2Latitude;    }   MAPolyline *commonPoly = [MAPolylinepolylineWithCoordinates:commonPolyLineCoordscount:2];    [self.mapViewaddOverlay:commonPoly];}//   MAMapViewDelegate- (MAOverlayView *)mapView:(MAMapView *)mapView viewForOverlay:(id<MAOverlay>)overlay{    if ([overlayisKindOfClass:[MAPolylineclass]]) {        MAPolylineView *lineView = [[MAPolylineViewalloc] initWithPolyline:overlay];//    把实线变成虚线加下边的三行代码        lineView.lineDashPhase =10; // 1        NSArray* array = [NSArrayarrayWithObjects:[NSNumbernumberWithInt:15] , [NSNumbernumberWithInt:15],nil]; // 2        lineView.lineDashPattern = array; // 3        lineView.lineWidth =8.f;        lineView.strokeColor = [UIColorcolorWithRed:0.318green:0.404blue:0.972alpha:1.000];        lineView.lineJoin =kCGLineJoinMiter;        lineView.lineCap =kCGLineCapButt;        return lineView;    }    returnnil;}
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