打印机效果显示控件.png

• (void)viewDidLoad {
  [super viewDidLoad];
  [self createUI];
  }

• (void)createUI{
  UIImageView *backimageView=[[UIImageView alloc]init];
  backimageView.image =[UIImage imageNamed:@"1.png"];
  backimageView.frame = CGRectMake(50, 100, LBSCREEN_WIDTH-100, 30);
  [self.view addSubview:backimageView];
  backView = [[UIView alloc]initWithFrame:CGRectMake(60, 115, LBSCREEN_WIDTH-120, 0)];
  //圆角半径
  backView.layer.cornerRadius = 5;
  backView.backgroundColor = [UIColor whiteColor];
  //边框宽度
  backView.layer.borderWidth = 1;
  backView.layer.borderColor = [UIColor blackColor].CGColor;
  //
  backView.clipsToBounds = YES;
  [self.view addSubview:backView];
  login_btn = [UIButton buttonWithType:UIButtonTypeCustom];
  login_btn.frame = CGRectMake(10, 120, LBSCREEN_WIDTH-140, 35);
  [login_btn setTitle:@"登陆" forState:UIControlStateNormal];
  login_btn.backgroundColor = [UIColor lightGrayColor];
  login_btn.layer.cornerRadius = 5;
  login_btn.layer.borderWidth = 1;
  login_btn.layer.borderColor = [UIColor lightGrayColor].CGColor;
  [login_btn addTarget:self action:@selector(passwordClick:) forControlEvents:UIControlEventTouchUpInside];
  login_btn.clipsToBounds = YES;
  pass_btn = [UIButton buttonWithType:UIButtonTypeCustom];
  pass_btn.frame = CGRectMake(10, 165, LBSCREEN_WIDTH-140, 35);
  [pass_btn setTitle:@"注册" forState:UIControlStateNormal];
  pass_btn.backgroundColor = [UIColor redColor];
  [pass_btn addTarget:self action:@selector(passwordClick:) forControlEvents:UIControlEventTouchUpInside];
  pass_btn.layer.cornerRadius = 5;
  pass_btn.layer.borderWidth = 1;
  pass_btn.layer.borderColor = [UIColor lightGrayColor].CGColor;
  pass_btn.clipsToBounds = YES;
  Name_textfield = [[UITextField alloc]initWithFrame:CGRectMake(10, 20, LBSCREEN_WIDTH-140, 40)];
  //默认占位字符
  Name_textfield.placeholder = @"帐号";
  //边框类型
  Name_textfield.borderStyle = UITextBorderStyleRoundedRect;
  Pass_textfield = [[UITextField alloc]initWithFrame:CGRectMake(10, 70, LBSCREEN_WIDTH-140, 40)];
  Pass_textfield.borderStyle = UITextBorderStyleRoundedRect;
  Pass_textfield.placeholder = @"密码";

  //2秒后开始一个持续一分钟的动画
  [UIView animateWithDuration:1 delay:2 options:UIViewAnimationOptionBeginFromCurrentState animations:^{
  backView.frame=CGRectMake(60, 115, LBSCREEN_WIDTH-120, 210);
  } completion:^(BOOL finished) {
  NSLog(@"动画完成");
  [backView addSubview:Name_textfield];
  dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
  [backView addSubview:Pass_textfield];
  dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
  [backView addSubview:login_btn];
  dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
  [backView addSubview:pass_btn];
  });
  });
  });

  }];

}

• (void)passwordClick:(UIButton *)sender{
  NSLog(@"hhhhh....");
  }