iOS - 发短信 打电话 ,打开URL等

//打电话 

[[UIApplication sharedApplication] openURL: [[NSURL alloc] initWithString:[NSString stringWithFormat:@"telephone:%@",@"这里是你要写的电话号码"]]];

//发信息 

[[UIApplication sharedApplication] openURL: [[NSURL alloc] initWithString:[NSString stringWithFormat:@"sms:%@",@"这里是你要写的短信"]]];

//打开URL 

[[UIApplication sharedApplication] openURL: [[NSURL alloc] initWithString:[NSString stringWithFormat:@"url:%@",@"这里是你要写的URL"]]];