difficultycommand.java

利用JAVA开发的简单考试系统

package controller.command;

import java.util.ArrayList;
import model.condition.test.*;
/**
 *
 * <p>Title: </p>
 * 难度处理类
 * <p>Description: </p>
 * 对于难度参数调用model层的testale接口处理
 */
public class DifficultyCommand {
	   private ArrayList test;
	   public DifficultyCommand(ArrayList t){
		   test = new ArrayList();
		   test = t;
	   }

           /**
            *  根据level返回试卷
            * @param dif String   难度
            * @return ArrayList   这一难度的试卷
            */
           public ArrayList excute(String dif){
		   Testable dTest = new  TestByDifficulty(dif);
		   dTest.accept();
		   test = dTest.getList();
		   return test;
	   }
}