payPassWord.png

源码参考
<h5>
支付密码---样式虽然不好看,但是麻雀虽小五脏俱全:
Pay_TextField 类, 定义键盘框
Pay_maskView 类键盘框及上面的信息。
代理方法:输入密码之后去网络请求

• (void)Pay_maskViewPassWord:(NSString *)password;
  </h5>

<h6>
Pay_maskView.h:类
</h6>
<pre>
/*清空字符串/

• (void)removeTextField;
  实例化键盘框
  +(Pay_maskView *)showWithDelegateOwer:( id) target andAddView:(UIView *)view;
  </pre>

<h6>
Pay_maskView.m:类 设置 输入框的样式 修改框的颜色

define LinebgColor [UIColor redColor]

define DotLabelbgColor [UIColor redColor]

</h6>

<pre>
// 监听键盘-

• (void)registerForKeyboardNotifications
  {
  [[NSNotificationCenter defaultCenter] addObserver:self
  selector:@selector(keyboardChangeFrame:)
  name:UIKeyboardWillChangeFrameNotification object:nil];
  }

• (void)keyboardChangeFrame:(NSNotification *)note
  {
  // 0.取出键盘动画的时间
  CGFloat duration = [note.userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue];

  // 1.取得键盘最后的frame
  CGRect keyboardFrame = [note.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];

  // 2.计算控制器的view需要平移的距离
  CGFloat transformY = keyboardFrame.origin.y - self.frame.size.height;

  // 3.执行动画
  [UIView animateWithDuration:duration animations:^{
  self.transform = CGAffineTransformMakeTranslation(0, transformY);
  }];
  }
  </pre>

<h6>
Pay_TextField 输入框的属性样式
</h6>
<pre>

• (instancetype)initWithFrame:(CGRect)frame{
  self = [super initWithFrame:frame];
  if (self) {
  self.layer.borderColor = [UIColor redColor].CGColor;
  self.layer.borderWidth = 1;
  self.tintColor = [UIColor clearColor];
  self.textColor = [UIColor clearColor];
  self.keyboardType = UIKeyboardTypeNumberPad;
  CGFloat Width = self.frame.size.width / kPasswordLength;
  for (int i = 0; i < kPasswordLength; i++) {

        CGFloat lineX = i \* Width;
        CGFloat lineY = 0;
        CGFloat lineW = 1;
        CGFloat lineH = self.frame.size.height;
        
        UIView \*line = [[UIView alloc] init];
        line.backgroundColor = LinebgColor;
        line.frame = CGRectMake(lineX, lineY, lineW, lineH);
        
        [self addSubview:line];
  
        UILabel \*dotLabel = [[UILabel alloc] init];
        CGFloat dotLabelW = 10;
        CGFloat dotLabelH = 10;
        CGFloat dotLabelX = lineX + (Width - dotLabelW) \* 0.5;
        CGFloat dotLabelY = (lineH - dotLabelH) \* 0.5;
        dotLabel.frame = CGRectMake(dotLabelX, dotLabelY, dotLabelW, dotLabelH);
        dotLabel.layer.masksToBounds = YES;
        dotLabel.layer.cornerRadius = dotLabelW \* 0.5;
        dotLabel.backgroundColor = DotLabelbgColor;
        dotLabel.hidden = YES;
        dotLabel.tag = kDotTag + i;
        [self addSubview:dotLabel];
    }
    
    UIView \*view = [[UIView alloc] init];
    view.frame = CGRectMake(0, 0, frame.size.width, frame.size.height);
    view.userInteractionEnabled = NO;
    view.backgroundColor = [UIColor clearColor];
    [self addSubview:view];
  

  }
  return self;
  }
  </pre>