UIAlertController * alert = [UIAlertController alertControllerWithTitle:nil message:nil preferredStyle:UIAlertControllerStyleActionSheet];
UIAlertAction * action1 = [UIAlertAction actionWithTitle:@"找回密码" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
SecondViewController * sec = [[SecondViewController alloc] init];
[self.navigationController pushViewController:sec animated:YES];
}];
[alert addAction:action1];
UIAlertAction * action2 = [UIAlertAction actionWithTitle:@"短信验证登录" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
}];
[alert addAction:action2];
UIAlertAction * action3 = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
}];
[alert addAction:action3];
[self presentViewController:alert animated:YES completion:^{
}];
// 点击空白键盘消失- (void)touchesBegan:(NSSet*)touches withEvent:(UIEvent *)event
{
[tf1 resignFirstResponder];
[tf2 resignFirstResponder];
}
