keycode:
/*** 将若干view等宽布局于容器containerView中** @param views viewArray* @param containerView 容器view* @param LRpadding距容器的左右边距* @param viewPadding 各view的左右边距*/-(void)makeEqualWidthViews:(NSArray *)views inView:(UIView *)containerView LRpadding:(CGFloat)LRpadding viewPadding :(CGFloat)viewPadding{UIView *lastView;for (UIView *view in views) {[containerView addSubview:view];if (lastView) {[view mas_makeConstraints:^(MASConstraintMaker *make) {make.top.bottom.equalTo(containerView);make.left.equalTo(lastView.mas_right).offset(viewPadding);make.width.equalTo(lastView);}];}else{[view mas_makeConstraints:^(MASConstraintMaker *make) {make.left.equalTo(containerView).offset(LRpadding);make.top.bottom.equalTo(containerView);}];}lastView=view;}[lastView mas_makeConstraints:^(MASConstraintMaker *make) {make.right.equalTo(containerView).offset(-LRpadding);}];}