[Java] 纯文本查看 复制代码
import java.io.*;
import java.util.*;
/**
Checker类
用于自动批改选择题，获取得分。
答案模板格式：
1-5:A,A,A,A,A
6-10:A,A,A,A,A
......
可以有多选，默认属性适用于40题卷(30单选，每题2分；10多选，每题4分)
具体分值可以自行设定，题目的数目完全依赖于答案模板。
*/
class Checker {
//每个题目的分值，默认单选2分，多选4分
private int score1 = 2, score2 = 4;
//答案模板的文件路径
private String answerFileName;
//构造函数
Checker(){}
Checker(String answerFileName){
this.answerFileName = answerFileName;
}
//get/set方法
public void setScore1(int score1){
this.score1 = score1;
}
public int getScore1(){
return score1;
}
public void setScore2(int score2){
this.score2 = score2;
}
public int getScore2(){
return score2;
}
public void setAnswer(String answerFileName){
this.answerFileName = answerFileName;
}
public String getAnswer(){
return answerFileName;
}
/*
通过输入流获取要评分的答案，并与答案模板比对，返回得分
*/
public int check(InputStream is){
BufferedReader base = null;
BufferedReader stu = null;
int score = 0;
try {
base = new BufferedReader( new FileReader(answerFileName) );
stu = new BufferedReader( new InputStreamReader( is) );
String[] temp1,temp2;
for (String baseLine,stuLine ; (baseLine = base.readLine())!=null && (stuLine = stu.readLine())!=null ; ) {
temp1 = baseLine.split(":");
temp2 = stuLine.split(":");
if ( temp1.length != 2 || temp2.length!=2 ) {
continue;
}
temp1 = temp1[1].split(",");
temp2 = temp2[1].split(",");
int min = temp1.length;
if ( min > temp2.length ) {
min = temp2.length;
}
byte[] bts;
for ( int i = 0 ; i < min ; i++ ) {
baseLine = temp1.trim().toUpperCase();
bts = baseLine.getBytes();
Arrays.sort(bts);
baseLine = new String(bts);
stuLine = temp2.trim().toUpperCase();
bts = stuLine.getBytes();
Arrays.sort(bts);
stuLine = new String(bts);
if ( baseLine.equals(stuLine) ) {
if ( baseLine.length() == 1 ) {
score += score1;
} else {
score += score2;
}
} else {
boolean f = true;
for ( int j = 0 ; j < stuLine.length(); j++ ) {
if ( !baseLine.contains(stuLine.charAt(j)+"") ) {
f = false;
break;
}
}
if ( f ) {
score += score1;
}
}
}
}
} catch(FileNotFoundException e){
e.printStackTrace();
} catch(IOException e){
e.printStackTrace();
} finally {
try {
if ( base != null ) {base.close();}
if ( stu != null ) {stu.close();}
} catch (IOException e ) {
e.printStackTrace();
}
}
return score;
}
}