ScrollerView 布局

   

    UIScrollView *Scroller = [[UIScrollViewalloc] init];

    Scroller.backgroundColor = [UIColorredColor];

    [self.viewaddSubview:Scroller];

    

    UIView *contentV = [UIViewnew];

    [Scroller addSubview:contentV];

    UILabel *titleL = [[UILabelalloc]init];

    titleL.text =@"sasasas";

    titleL.textColor = [UIColor blackColor];

    titleL.font = [UIFontsystemFontOfSize:14];

    titleL.textAlignment =NSTextAlignmentLeft;

    [contentV addSubview:titleL];

    _titleL = titleL;

    

    UILabel *noticeLabel = [[UILabelalloc] init];

    noticeLabel.textColor = [UIColor blackColor];

    noticeLabel.font = [UIFontsystemFontOfSize:13];

    noticeLabel.userInteractionEnabled =YES;

    noticeLabel.text =@"无视无视 ";

    [contentV addSubview:noticeLabel];

    _noticeLabel = noticeLabel;

    

    __weak__typeof(&*self)weakSelf =self;

    [Scroller mas_makeConstraints:^(MASConstraintMaker *make) {

        make.edges.equalTo(weakSelf.view);

    }];

    [contentV mas_makeConstraints:^(MASConstraintMaker *make) {

        make.edges.equalTo(Scroller);

        make.width.equalTo(Scroller);

    }];

    [titleL mas_makeConstraints:^(MASConstraintMaker *make) {

        make.left.right.top.equalTo(contentV);

        make.height.equalTo(@40);

    }];

    [noticeLabel mas_makeConstraints:^(MASConstraintMaker *make) {

        make.left.right.equalTo(contentV);

        make.top.equalTo(titleL.mas_bottom).offset(8);

        make.height.equalTo(@40);

    }];

    [contentV mas_makeConstraints:^(MASConstraintMaker *make) {

        make.bottom.equalTo(noticeLabel.mas_bottom);

    }];