java读取.dat文件

	
private static List<Object> getDatFile(String fileName) throws IOException{
		FileInputStream fis = null;
		ObjectInputStream ois = null;
		List<Object> list = new ArrayList<Object>();
		Object obj = null;
		try {
			fis = new FileInputStream("./" + fileName);
			ois = new ObjectInputStream(fis);
			while (true) {
				try{
					obj = ois.readObject();
					list.add(obj);
				}catch(EOFException e){
					break;
				}
			}
		} catch (FileNotFoundException e) {
			System.out.println("找不到指定文件" + fileName);
			System.exit(-1);
		}catch (ClassNotFoundException e) {
			e.printStackTrace();
		}finally{
			if(ois!=null){
				ois.close();
			}
			if(fis!=null){
				fis.close();
			}
		}
		return list;
	}