/*
 * View的寬高
 */
CGFloat shopW = 80;
CGFloat shopH = 100;

/*
 * 每個(gè)View之間的間隔
 */
CGFloat margin = (self.view.frame.size.width - totalloc * shopW) / (totalloc + 1);

/*
 * View的總個(gè)數(shù)
 */
NSUInteger count = 12;

/*
 *  根據(jù)總個(gè)數(shù)使用總列數(shù)來除和取余獲取對應(yīng)的行和列
 */
NSUInteger loc = count / totalloc;
NSUInteger row = count % totalloc;

/*
 * View的X和Y
 */
CGFloat shopX = margin + (margin + shopW) * row;
CGFloat shopY = margin + (margin + shopH) * loc;

/*
 * 創(chuàng)建自定義View，設(shè)置背景顏色，添加到界面上去
 */
 UIView *shopV = [[UIView alloc] initWithFrame:CGRectMake(shopX, shopY, shopW, shopH)];
 shopV.backgroundColor = [UIColor lightGrayColor];
 [self.shopView addSubview:shopV];

/*
 *  創(chuàng)建UIImageView用于放置圖片，設(shè)置frame然后加到自定義的View上面
 */
 UIImageView *imageV = [[UIImageView alloc] init];
 imageV.frame = CGRectMake(0, 0, 80, 80);
 [shopV addSubview:imageV];

/*
 *  創(chuàng)建UILabel用于放置顯示文字，設(shè)置frame然后加到自定義的View上面
 */
 UILabel *l = [[UILabel alloc] init];
 l.frame = CGRectMake(0, 80, 80, 20);
 l.textAlignment = NSTextAlignmentCenter;
 [shopV addSubview:l];

    CGFloat horizalSpacing = (self.bigView.bounds.size.width - COLS_COUNT * ITEM_WIDTH) / (COLS_COUNT - 1);
    CGFloat verticalSpacing = (self.bigView.bounds.size.height - ROWS_COUNT * ITEM_HEIGHT) / (ROWS_COUNT - 1);

      CGFloat x = (ITEM_WIDTH + horizalSpacing) * (index % COLS_COUNT); // 新增
}

    CGFloat horizalSpacing = (self.bigView.bounds.size.width - COLS_COUNT * ITEM_WIDTH) / (COLS_COUNT - 1);
    CGFloat verticalSpacing = (self.bigView.bounds.size.height - ROWS_COUNT * ITEM_HEIGHT) / (ROWS_COUNT - 1);

      CGFloat x = (ITEM_WIDTH + horizalSpacing) * (index % COLS_COUNT);
    CGFloat y = (ITEM_HEIGHT + verticalSpacing) * (index / COLS_COUNT); // 新增
}

- (IBAction)addItemView
{
      NSUInteger index = self.bigView.subviews.count;

    CGFloat horizalSpacing = (self.bigView.bounds.size.width - COLS_COUNT * ITEM_WIDTH) / (COLS_COUNT - 1);
    CGFloat verticalSpacing = (self.bigView.bounds.size.height - ROWS_COUNT * ITEM_HEIGHT) / (ROWS_COUNT - 1);

      CGFloat x = (ITEM_WIDTH + horizalSpacing) * (index % COLS_COUNT);
    CGFloat y = (ITEM_HEIGHT + verticalSpacing) * (index / COLS_COUNT);

    UIView *item = [[UIView alloc] initWithFrame:CGRectMake(x, y, ITEM_WIDTH, ITEM_HEIGHT)]; // 新增
    item.backgroundColor = [UIColor redColor];  // 新增
    [self.bigView addSubview:item];  // 新增
}