NSString*shareText =@"";图片
NSURL *shareUrl = [NSURL URLWithString:[NSString stringWithFormat:@"https://apps.apple.com/cn/app/id%@", @""]];
NSArray*activityItemArray =@[shareText, shareUrl];
UIActivityViewController*activity = [[UIActivityViewControlleralloc]initWithActivityItems:activityItemArrayapplicationActivities:nil];
[self presentViewController:activity animated:YES completion:nil];