private static List<String[][]> loadCVSDataset(Map<String, File> fileMap) {
		List<String[][]> testDataList = new ArrayList<String[][]>();
		Set<String> keys = fileMap.keySet();
		Iterator<String> it = keys.iterator();

		while (it.hasNext()) {
			String fileName = it.next();
			// csv文件
			if (fileName.indexOf("csv") != -1) {
				String[][] csvDatas = readCSVFile2(fileMap.get(fileName));
				if (csvDatas.length > 0) {
					testDataList.add(csvDatas);
				}
			}
		}
		return testDataList;
	}