java打分系统

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package com.ioTest;   import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.util.Scanner;   public class Exem_Scode2 {       @SuppressWarnings("resource")     public static void main(String[] args) {         Scanner input = new Scanner(System.in);         File f1 = new File("F:\\exam02");// 创建操作目录的文件对象         System.out.println("有多少人参见考试?");         int personSum = input.nextInt(); // 从控制台获取本次考试的人数         System.out.println("有多少题?");         int tiSum = input.nextInt(); // 从控制台获取本次考试的题数           /*          *          * 获得.txt文件所在目录的路径的字符串表达形式的数组          *          *          */         String[] fPtah = f1.list();                   int a = 0;         String[] path = new String[personSum];// 考试者提供的答案文件数组// 获得的.txt文件数组         for (String str : fPtah) {             System.out.println(str);             if (str.endsWith(".txt")) {                 path[a] = "E:\\\\exam02\\\\" + str;                 a++;             }         }           try {             TestScore(personSum, tiSum, path);// 调用功能方法（实现自动打分，并统计正确率）         } catch (IOException e) {             e.printStackTrace();         }     }       public static void TestScore(int personSum, int tiSum, String[] fPtah) throws IOException {           BufferedReader br = null;// 读人数         BufferedReader br1 = null;// 读满分(正确答案,比对对象)         BufferedWriter bw = null;// 写结果         try {             int sum = 0; // 记录每个人的总分             int jige = 0;// 统计及格的人数             int[] f = new int[tiSum];// 记录每题正确的题数             bw = new BufferedWriter(new FileWriter("e:\\exam02\\score.bak", true));// 写结果               for (int i = 0; i < fPtah.length; i++) {// 遍历每一个考试者的答案                 // System.out.println();                 br = new BufferedReader(new FileReader(fPtah[i]));// 读人数（考试者的答案），按行读取                 System.out.println("---------------");                 br1 = new BufferedReader(new FileReader("e:\\exam02\\满分.bak"));// 读满分(正确答案,比对对象),按行读取                 // System.out.println(files[i].getPath());                 for (int j = 0; j < tiSum; j++) {// 遍历每一行的答案                     if (br.readLine().trim().equals(br1.readLine().trim())) {// 比对每一行的答案判断是否相等                         sum += 5;// 累加每一个人的分数                         f[j]++;// 统计每题做对的人数                     }                     System.out.println("sum" + sum);// 测试语句                 }                 StringBuffer bs=new StringBuffer();                 bs.append((fPtah[i] + "  "+"成绩：" + sum + "分").replace("E:\\\\exam02\\\\", " ").replace(".txt", "")                         .trim());                 System.out.println(bs.toString());// 测试语句                 if (sum >= 60) {                     jige++;// 统计及格的人数                 }                 bw.write(bs.toString());// 把数据写入文件(答案日志)                 bw.newLine();                 sum = 0;// 把总分置空，等待下次累加             }             StringBuffer bs1=new StringBuffer();             bs1.append("总人数" + fPtah.length + "\t" + "及格人数" + jige);             bw.write(bs1.toString());// 把数据写入文件(答案日志)             bw.newLine();               /*              * 统计正确率 遍历每一题，统计每一题做对的人数,然后计算正确率输出              *              *              */             StringBuffer bs2=null;;             for (int k = 0; k < tiSum; k++) {                 bs2=new StringBuffer();                 System.out.println(f[k]);                 int t1 = (int) (f[k] / 20.0 * 100);// 计算正确率                 bs2.append("题" + (k + 1) + "正确率为" + t1 + "%"); //              String zql = "题" + (k + 1) + "正确率为" + t1 + "%";// 记录每一题的正确率                 bw.write(bs2.toString());// 把数据写入文件(答案日志)                 bw.newLine();// 换行             }             bw.flush();// 刷新缓冲区           } finally {             if (br1 != null) {                 br1.close();             }             if (br != null) {                 br.close();             }             if (bw != null) {                 bw.close();             }         }     } }