#import<MapKit/MapKit.h>
#import "YYAnnotation.h"
@interface ViewController ()<MKMapViewDelegate>
@property(strong,nonatomic)MKMapItem *mapItem;
//编码工具
@property(strong,nonatomic)CLGeocoder *geocoder;
@property(weak,nonatomic)MKMapView *mapView;
//用于发送请求给服务器
@property(strong,nonatomic)MKDirections *direct;
{
[super viewDidLoad];
// 添加一个地图到界面上
MKMapView *mapView = [[MKMapView alloc]initWithFrame:self.view.bounds]; [self.view addSubview:mapView];
mapView.delegate = self;
self.mapView = mapView;
// 添加一个视图
// 提供两个点，自动规划线路
_geocoder = [[CLGeocoder alloc]init];
[_geocoder geocodeAddressString:@"北京" completionHandler:^(NSArray* _Nullable placemarks, NSError * _Nullable error)
{
MKPlacemark *placemark = [[MKPlacemark alloc]initWithPlacemark:placemarks.lastObject];
//intrItem可以理解为地图上的一个点
MKMapItem *intrItem = [[MKMapItem alloc]initWithPlacemark:placemark];
// 添加一个小别针到地图上
YYAnnotation *anno = [[YYAnnotation alloc]init];
anno.coordinate = intrItem.placemark.location.coordinate;
[self.mapView addAnnotation:anno];
// 让地图跳转到起点所在的区域
MKCoordinateRegion region = MKCoordinateRegionMake(intrItem.placemark.location.coordinate, MKCoordinateSpanMake(3, 3));
[self.mapView setRegion:region];
//创建终点
[_geocoder geocodeAddressString:@"邯郸" completionHandler:^(NSArray* _Nullable placemarks, NSError * _Nullable error)
{
//destItem可以理解为地图上的一个点
MKMapItem *destItem = [[MKMapItem alloc]initWithPlacemark:[[MKPlacemark alloc]initWithPlacemark:[placemarks lastObject]]];
// 添加一个小别针到地图上
YYAnnotation *anno = [[YYAnnotation alloc]init];
anno.coordinate = destItem.placemark.location.coordinate;
[self.mapView addAnnotation:anno];
//调用下面方法发送请求
[self moveWith:intrItem toDestination:destItem];
}];
}];}
//提供两个点，在地图上进行规划的方法
-(void)moveWith:(MKMapItem *)formPlce toDestination:(MKMapItem *)endPlace{// 创建请求体
// 创建请求体 (起点与终点)
MKDirectionsRequest *request = [[MKDirectionsRequest alloc] init]; request.source = formPlce;
request.destination = endPlace;
self.direct = [[MKDirections alloc]initWithRequest:request];
// 计算路线规划信息 (向服务器发请求)
[self.direct calculateDirectionsWithCompletionHandler:^(MKDirectionsResponse * _Nullable response, NSError * _Nullable error)
{
//获取到所有路线
NSArray*routesArray = response.routes;
//取出最后一条路线
MKRoute *rute = routesArray.lastObject;
//路线中的每一步
NSArray*stepsArray = rute.steps;
//遍历
for (MKRouteStep *step in stepsArray)
{
[self.mapView addOverlay:step.polyline];
}
// 收响应结果 MKDirectionsResponse
// MKRoute 表示的一条完整的路线信息 (从起点到终点) (包含多个步骤)
}];}
// 返回指定的遮盖模型所对应的遮盖视图, renderer-渲染
- (MKOverlayRenderer *)mapView:(MKMapView *)mapView rendererForOverlay:(id)overlay
{
// 判断类型
if ([overlay isKindOfClass:[MKPolyline class]]) {
// 针对线段, 系统有提供好的遮盖视图
MKPolylineRenderer *render = [[MKPolylineRenderer alloc] initWithPolyline:overlay];
// 配置，遮盖线的颜色
render.lineWidth = 5;
render.strokeColor = [UIColor colorWithRed:arc4random_uniform(256) / 255.0 green:arc4random_uniform(256) / 255.0 blue:arc4random_uniform(256) / 255.0 alpha:1.0];
return render;
}
// 返回nil, 是没有默认效果
return nil;
}
第二个页面
#import
#import
@interface YYAnnotation : NSObject<MKAnnotation>
@property(assign,nonatomic)CLLocationCoordinate2D coordinate;
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