self.mapView.pathFileName = @"guangDong.plist";
self.mapView.infoFileName = @"guangDongInfo.plist";
CGFloat scale = WGWidth/320;
self.mapView.transform = CGAffineTransformMakeScale(scale, scale);//宽高伸缩比例
self.mapView.frame = CGRectMake(0, 0, WGWidth, WGWidth * 0.75);
self.mapView.center = CGPointMake(WGWidth *0.5,WGHeight *0.5);