Iphone 注释Mapkit的传递坐标

在我的应用程序中，我有一组位置和它们的相对注释。我有一个按钮，点击它，我去一个方法，调用一个URL网络服务，以获得谷歌街景

我的代码是：

- (NSString*)urlStreetview:(id<MKAnnotation>)annotation{

    CLLocation *pinLocation = [[CLLocation alloc] initWithLatitude:annotation.coordinate.latitude longitude:annotation.coordinate.longitude];

    NSLog(@"lat:%f",pinLocation.coordinate.latitude);
    NSLog(@"lon:%f",pinLocation.coordinate.longitude);


    NSString *lat_string = [[NSString alloc] initWithFormat:@"%f", pinLocation.coordinate.latitude];
    NSString *lon_string = [[NSString alloc] initWithFormat:@"%f", pinLocation.coordinate.longitude];


    NSString *url1 = [NSString stringWithFormat:@"http:myweb/streetview.php"];

    NSString *url2 =  [url1 stringByAppendingString: @"?lat="];
    NSString *url3 =  [url2 stringByAppendingString:lat_string];
    NSString *url4 =  [url3 stringByAppendingString:@"&lon="];
    NSString *url  =  [url4 stringByAppendingString:lon_string];


    NSLog(@"url:%@",url);
    return url;
}

---

提前谢谢

我将自己回答我的问题。我只是解决了我的问题，它工作得很好。该代码允许显示web视图，以便拥有注释地图工具包注释的steet view google服务。显然，由于我是一名相对较新的iphone开发人员，如果有人想添加/建议/改进，欢迎他

我的按钮实现：

- (IBAction)PressMe:(id)sender
{
    UIViewController *webViewController = [[[UIViewController alloc] init] autorelease];
    UIWebView *uiWebView = [[[UIWebView alloc] initWithFrame: CGRectMake(0,0,320,480)] autorelease];

    [uiWebView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString: self.urlStreetview]]];

    [webViewController.view addSubview: uiWebView];
    webViewController.title = @"web bar";
    [self.navigationController pushViewController:webViewController animated:YES];

    //[[self navigationController] pushViewController:thirdViewController animated:YES];
}

通过这个按钮，我调用我的（以下）方法“urlStreetview”，在选择注释的情况下，组成一个字符串，以便使用apropriete GET php参数生成一个完整的url。url是我的（非常简单的）web服务的方向，它允许调用GoogleAPI街景

- (NSString*)urlStreetview{

    //there can only be one selected annotation so get the one at index 0
    id<MKAnnotation> selectedAnnotation = [_mapView.selectedAnnotations objectAtIndex:0];

    CLLocation *pinLocation = [[CLLocation alloc] initWithLatitude:selectedAnnotation.coordinate.latitude longitude:selectedAnnotation.coordinate.longitude];

---

我希望它能有用

按钮是如何添加的，以及它与注释视图的关系如何？这是获得感兴趣的批注信息的关键。我的按钮是通过方法添加的：-（MKAnnotationView*）mapView:（MKMapView*）mapView视图用于批注：（id）批注{//left button details UIButton*left_button=[[UIButton alloc]initWithFrame:cRectMake（0,0,20,20）]；[left_button setImage:[UIImage ImageName:@“add.png”]用于状态：UIControlStateNormal]；[left_按钮添加目标：自我操作：@选择器（按：）用于控制事件：UIControlEventTouchUpInside]；annotationView.LeftCallAccessoryView=左按钮//

- (NSString*)urlStreetview{

    //there can only be one selected annotation so get the one at index 0
    id<MKAnnotation> selectedAnnotation = [_mapView.selectedAnnotations objectAtIndex:0];

    CLLocation *pinLocation = [[CLLocation alloc] initWithLatitude:selectedAnnotation.coordinate.latitude longitude:selectedAnnotation.coordinate.longitude];

    NSString *lat_string = [[NSString alloc] initWithFormat:@"%f", pinLocation.coordinate.latitude];
    NSString *lon_string = [[NSString alloc] initWithFormat:@"%f", pinLocation.coordinate.longitude];

    NSString *url1 = [NSString stringWithFormat:@"http://myurl/streetview.php"];

    NSString *url2 =  [url1 stringByAppendingString: @"?lat="];
    NSString *url3 =  [url2 stringByAppendingString:lat_string];
    NSString *url4 =  [url3 stringByAppendingString:@"&lon="];
    NSString *url  =  [url4 stringByAppendingString:lon_string];

    NSLog(@"url:%@",url);
    return url;
}