examOnline/src/com/action/GetRandomSubjects.java

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package com.action;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts2.ServletActionContext;

import com.entity.Subject;
import com.opensymphony.xwork2.ActionSupport;
import com.service.SubjectService;
import com.service.SubjectServiceImpl;

/**
 *  获取随机的题目
 * @author Junchuan.wu
 *
 */
public class GetRandomSubjects extends ActionSupport{
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private SubjectService subjectService  = new SubjectServiceImpl();
	@SuppressWarnings("static-access")
	public String execute(){
		List<Subject> subjects = subjectService.randomFindSubject(5);//获取5题
		HttpServletRequest request = ServletActionContext.getRequest();
		request.setAttribute("subjects", subjects);
		return this.SUCCESS;
	}
}