使用是UIApplication类的OpenURL方法:
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"程序的相应连接"]];
// iOS 10打开url方式
[[UIApplication sharedApplication] openURL:url options:@{UIApplicationOpenURLOptionsOpenInPlaceKey:@"1"} completionHandler:^(BOOL success) {// 回调
if (!success) {
}
}];