-(void)abb{
//UI警报控制器
UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"标题" message:@"messagebox" preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction *action1 = [UIAlertAction actionWithTitle:@"确认" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
}];
UIAlertAction *action2= [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction *action) {
}];
UIAlertAction *action3= [UIAlertAction actionWithTitle:@"警告" style:UIAlertActionStyleDestructive handler:^(UIAlertAction *action) {
}];
//添加
[alert addAction:action1];
[alert addAction:action2];
[alert addAction:action3];
// [alert addAction:action3];
[self presentViewController:alert animated:YES completion:^{
}];
}
