sortData method

void sortData(
  1. List<LineListItemBean> listViewDataList,
  2. bool desc
)

排序 desc 是否倒序

Implementation

void sortData(List<LineListItemBean> listViewDataList, bool desc) {
  listViewDataList.sort((a, b) {
    var result = b.average - a.average;
    if (!desc) {
      //正序
      result = a.average - b.average;
    }
    if (result > 0) {
      return 1;
    } else if (result < 0) {
      return -1;
    } else {
      return 0;
    }
  });
}