scoreservice.java

只做是单选题！数据库表有三张：EUser,EItem,Score

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package com.exam.model;

import java.util.Date;
import java.util.Iterator;
import java.util.List;

/**
 *
 * @author fyadmin
 */
public class ScoreService {

    private ScoreDAO scoreDataAccess;

    public ScoreService() {
        scoreDataAccess = new ScoreDAO();
    }

    public List getAllScore(Integer uid) {
        return scoreDataAccess.retrieveAll(uid);
    }

    public Score AddScore(Score scores) {
        scoreDataAccess.insert(scores);
        return scores;
    }

    public Score contractors(List<String> answer, List<String> s_answer, int UID) {
        int scores = 0;
        Date date = new Date();
        Iterator myit = answer.iterator();
        Iterator sit = s_answer.iterator();
        StringBuffer myAnswer = new StringBuffer();
        StringBuffer sAnswer = new StringBuffer();
        while (myit.hasNext() && sit.hasNext()) {
            String my = (String) myit.next();
            String s = (String) sit.next();
            myAnswer = myAnswer.append(my);
            sAnswer = sAnswer.append(s);
            if(my==null){
            my="as";
            }
            if (my.equals(s)) {
                scores += 20;
            }
        }
        Score score = new Score(UID, scores, date, myAnswer.toString(), sAnswer.toString());
        return score;
    }
}