APP跳转应用商城

第一种方法：
NSString *str = [NSString stringWithFormat:@"itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=(这里填你的Apple ID)"];

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:str]];

第二种方法：
导入头文件 #import <StoreKit/StoreKit.h>

遵循代理协议 SKStoreProductViewControllerDelegate

- (void)jumpAppStore {

NSDictionary *dict = [NSDictionary dictionaryWithObject:@"这里填你的Apple ID" forKey:SKStoreProductParameterITunesItemIdentifier];

SKStoreProductViewController *vc = [[SKStoreProductViewController alloc] init];
vc.delegate=self;
//    1.先加载，加载成功再跳转到App Store
//    [vc loadProductWithParameters:dict completionBlock:^(BOOL result, NSError * _Nullable error) {
//        if(error) {
//            NSLog(@"Error：%@",error.userInfo);
//        }
//        else {
//            [self presentViewController:vc animated:YES completion:nil];
//        }
//    }];

 //    2.先跳转到App Store，再加载数据
[self presentViewController:vc animated:YES completion:nil];
[vcloadProductWithParameters:dict completionBlock:^(BOOL result, NSError * _Nullable error) {
if(error) {
NSLog(@"Error：%@",error.userInfo);
}else{
}
}];
}

#pragma mark - SKStoreProductViewControllerDelegate

- (void)productViewControllerDidFinish:(SKStoreProductViewController *)viewController {

    [viewControllerdismissViewControllerAnimated:YES completion:^{

        NSLog(@"productViewControllerDidFinish");

    }];

}