private static List<GrogerInfo> loadCVSDataset2(Map<String, File> fileMap) {
		List<GrogerInfo> grogerInfos = null;
		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) {
				grogerInfos = parseCSVLines2BeanList(fileMap.get(fileName));
			}
		}
		return grogerInfos;
	}