封装

//重写LTView继承自UIView的布局方法，来创建子视图，并添加子视图
- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        //用参数中的frame（LTView视图整体的frame）来表示内部控件的frame
        
        //LTView的宽和高
        
        CGFloat totalWidth = frame.size.width;
        CGFloat totalHeight = frame.size.height;
        
        //lable的宽和高
        CGFloat lableWidth = (totalWidth - 15) / 3;
        CGFloat lableHeight = totalHeight - 4;
        
        //textField的宽和高
        CGFloat textFiledWidth = 2 * lableWidth;
        CGFloat textFieldHeight = lableHeight;
        
        _lable = [[UILabel alloc] initWithFrame:CGRectMake(5, 2, lableWidth, lableHeight)];
//        _lable.backgroundColor = [UIColor redColor];
        [self addSubview:_lable];
        
        _textField = [[UITextField alloc] initWithFrame:CGRectMake(10 + lableWidth, 2, textFiledWidth, textFieldHeight)];
//        _textField.backgroundColor = [UIColor blueColor];
        [self addSubview:_textField];
        
        
        
    }
    return self;
}




- (instancetype)initWithFrame:(CGRect)frame text:(NSString *)text textColor:(UIColor *)textColor
                         font:(UIFont *)font borderStyle:(UITextBorderStyle)borderStyle placeholder:(NSString *)placeholder secureTextEbtry:(BOOL)secureTextEbtry keybordType:(UIKeyboardType)keybordType {
    self = [self initWithFrame:frame];
    if (self) {
        
    self.lable.text = text;
    self.lable.textColor = textColor;
    self.lable.font = font;
    self.textField.borderStyle = borderStyle;
    self.textField.placeholder = placeholder;
    self.textField.secureTextEntry = secureTextEbtry;
    self.textField.keyboardType = keybordType;
}
    return self;
}