列表数据转换excel格式（二维数组）

    /**
     * 用户访问排行列表转换为excel导出二维数组
     * @param statisticsList
     * @return
     */
    public static String[][] userListToExportArray(List<Statistics> statisticsList) {
        String[] title = new String[]{"用户名", "访问总量", "访问入口", "检索", "浏览", "下载"};
        String[][] abc = new String[statisticsList.size() + 1][title.length];
        abc[0] = title;
        if(statisticsList != null && statisticsList.size() >  0) {
            for (int i = 0; i < statisticsList.size(); i++) {
                Statistics s = statisticsList.get(i);
                abc[i + 1] = new String[] {
                        s.getUserName(),
                        s.getTotal().toString(),
                        s.getEntrance().toString(),
                        s.getSearch().toString(),
                        s.getBrowse().toString(),
                        s.getDownload().toString()};
            }
        }
        return abc;