grid_util.dart 325 B

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  1. /// 网格工具类
  2. class GridUtil {
  3. GridUtil._();
  4. /// 计算当前上传的图片,有多少行
  5. /// [itemCount] 当前上传的图片数量
  6. /// [crossAxisCount] 一列多少个
  7. static int calculateRowCount(int itemCount, int crossAxisCount) {
  8. return (itemCount + crossAxisCount - 1) ~/ crossAxisCount;
  9. }
  10. }