我应该添加到超链接？

Question

如果我的网址是youtube.com/watch?v=Hj57OP5C-ls ..我应该在代码中添加什么内容？

- (IBAction)btnYoutube:(id)sender { 

    NSURL *linkToAppURL = [NSURL URLWithString:[NSString stringWithFormat:@"youtube://user/%@",@"toyotaleasing"]]; 
    NSURL *linkToWebURL = [NSURL URLWithString:[NSString stringWithFormat:@"http://www.youtube.com/user/%@",@"toyotaleasing"]]; 

    if ([[UIApplication sharedApplication] canOpenURL:linkToAppURL]) { 
     // Can open the youtube app URL so launch the youTube app with this URL 
     [[UIApplication sharedApplication] openURL:linkToAppURL]; 
    } 
    else{ 
     // Can't open the youtube app URL so launch Safari instead 
     [[UIApplication sharedApplication] openURL:linkToWebURL]; 
    } 
} 

Answer 1

做到这一点:-)

- (IBAction)btnYoutube:(id)sender { 

    NSURL *linkToAppURL = [NSURL URLWithString:@"youtube://watch?v=Hj57OP5C-ls"]; 
    NSURL *linkToWebURL = [NSURL URLWithString:@"https://www.youtube.com/watch?v=Hj57OP5C-ls"]; 

    if ([[UIApplication sharedApplication] canOpenURL:linkToAppURL]) { 
     // Can open the youtube app URL so launch the youTube app with this URL 
     [[UIApplication sharedApplication] openURL:linkToAppURL]; 
    } else{ 
     // Can't open the youtube app URL so launch Safari instead 
     [[UIApplication sharedApplication] openURL:linkToWebURL]; 
    } 
} 

Answer 2

试试这个，

NSURL *linkToAppURL = [NSURL URLWithString:[NSString stringWithFormat:@"youtube://video/%@",@"Hj57OP5C-ls"]]; 
NSURL *linkToWebURL = [NSURL URLWithString:[NSString stringWithFormat:@"http://www.youtube.com/watch?v=%@",@"Hj57OP5C-ls"]]