package com.beancore.util; import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.FileReader; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.util.ArrayList; import java.util.List; import com.beancore.entity.Score; public class FileUtil { public static String readFileToString(String filePath) throws IOException { StringBuilder sb = new StringBuilder(); File file = new File(filePath); BufferedReader br = new BufferedReader(new FileReader(file)); String line = null; while ((line = br.readLine()) != null) { sb.append(new String(line.getBytes(),"utf-8")).append("\r\n"); } br.close(); return sb.toString(); } public static void writeScore(List<Score> scoreList, String filePath) throws FileNotFoundException, IOException { ObjectOutputStream objOutputStream = new ObjectOutputStream(new FileOutputStream(filePath)); for (Score score : scoreList) { objOutputStream.writeObject(score); } objOutputStream.writeObject(null); objOutputStream.flush(); objOutputStream.close(); } public static List<Score> readScore(String filePath) throws FileNotFoundException, IOException, ClassNotFoundException { List<Score> scoreList = new ArrayList<Score>(); ObjectInputStream objInputStream = new ObjectInputStream(new FileInputStream(filePath)); Object obj = null; while ((obj = objInputStream.readObject()) != null) { scoreList.add((Score) obj); } objInputStream.close(); return scoreList; } }