考试系统源代码：EamActionjava

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1、package com.webExam.action;import java.util.Iterator;import java.util.List;import java.util.Set;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.struts2.ServletActionContext;import org.springframework.util.Assert;/导入实体import com.webExam.dom

2、ain.Exam;import com.webExam.domain.Question;import com.webExam.domain.QuestionItem;import com.webExam.service.QuestionItemService;import com.webExam.service.ExamService;import com.opensymphony.xwork2.ActionSupport;public class ExamAction extends ActionSupport private static final long serialVersionU

3、ID = /新增试卷信息public String create() HttpServletRequest req = ServletActionContext.getRequest();HttpServletResponse res = ServletActionContext.getResponse(); /获取试卷信息Exam exam = getExamBean(req, res);/进行新增getExamService().create(exam);/获取已有的试卷信息List listExams = getExamService().queryList();/将已有的试卷信息传递给

4、页面 req.setAttribute(listExams, listExams);/存放消息req.setAttribute(msg, 新增成功);return SUCCESS;/修改试卷信息public String update() HttpServletRequest req = ServletActionContext.getRequest();HttpServletResponse res = ServletActionContext.getResponse(); /获取试卷信息Exam exam = getExamBean(req, res);/进行修改getExamServic

5、e().update(exam);/获取已有的试卷信息List listExams = getExamService().queryList();/将已有的试卷信息传递给页面 req.setAttribute(listExams, listExams);/存放消息 req.setAttribute(msg, 修改成功);return SUCCESS;/删除试卷信息 public String delete() HttpServletRequest req = ServletActionContext.getRequest(); HttpServletResponse res = Servlet

6、ActionContext.getResponse(); /获取试卷信息Exam exam = getExamBean(req, res);/进行删除 getExamService().delete(exam);/获取已有的试卷信息List listExams = getExamService().queryList(); /将已有的试卷信息传递给页面 req.setAttribute(listExams, listExams);/存放消息 req.setAttribute(msg, 删除成功);return SUCCESS; /设定该试卷下的题目 public String createQu

7、estion() HttpServletRequest req = ServletActionContext.getRequest();HttpServletResponse res = ServletActionContext.getResponse(); /获取试卷信息Exam exam = getExamBean(req, res); exam = getExamService().query(exam.getId(); /获取该试卷题目下已有的题目Set listQuestions = exam.getQuestion(); /将该试卷题目下已有的题目信息传递给页面 req.setAt

8、tribute(listQuestions, listQuestions);/将该试卷信息传递给页面 req.setAttribute(exam, exam);/存放消息 req.setAttribute(msg, 欢迎进入 + exam.getName() + 试题题目管理系统); return createQuestion;/进行考试 public String exam() HttpServletRequest req = ServletActionContext.getRequest(); HttpServletResponse res = ServletActionContext.g

9、etResponse(); /获取试卷信息Exam exam = getExamBean(req, res);exam = getExamService().query(exam.getId(); /将该试卷信息传递给页面 req.setAttribute(exam, exam);/存放消息 req.setAttribute(msg, 欢迎您开始 + exam.getName() + 试卷); return exam;/统计试卷成绩 public String submitExam() HttpServletRequest req = ServletActionContext.getReque

10、st();/获取试卷信息Exam exam = new Exam();exam = getExamService().query(Integer.valueOf(req.getParameter(examId); /定义该此考试的分数float result = 0f;/获取该试卷下的题目Set listQuestions = exam.getQuestion();Iterator iterator = listQuestions.iterator(); /获取每个题目下的项目while (iterator != null & iterator.hasNext() Question quest

11、ion = (Question)iterator.next();/获取该题目下的项目List listQuestionItems = question.getQuestionItem(); /获取用户选择的题目下的项目 Assert.notNull(String)req.getParameter(question.getId() + );int questionId = Integer.valueOf(String)req.getParameter(question.getId() + ); /累计用户提交的题目下的项目for (int j = 0; listQuestionItems !=

12、null & j listQuestionItems.size(); j+) QuestionItem questionItem = (QuestionItem)listQuestionItems.get(j); if(questionId = questionItem.getId() if (questionItem.getIsOk() = 1) /统计成绩result = result + question.getPoint(); break;/将该试卷信息传递给页面 req.setAttribute(exam, exam);/将成绩传递给页面 req.setAttribute(resul

13、t, result);/存放消息req.setAttribute(msg, 欢迎您查看 + exam.getName() + 试卷的成绩); return examResult;public String index() HttpServletRequest req = ServletActionContext.getRequest(); /获取已有的试卷信息List listExams = getExamService().queryList(); /将已有的试卷信息传递给页面 req.setAttribute(listExams, listExams);req.setAttribute(m

14、sg, 欢迎进入试卷题目管理系统); return SUCCESS; /获取试卷业务逻辑 public ExamService getExamService() return examService;/设定试卷业务逻辑public void setExamService(ExamService examService) this.examService = examService;private ExamService examService;/获取试题项目业务逻辑public QuestionItemService getQuestionItemService() return questi

15、onItemService;/设定试题项目业务逻辑public void setQuestionItemService(QuestionItemService questionItemService) this.questionItemService = questionItemService;private QuestionItemService questionItemService; /封装试卷基本信息public Exam getExamBean(HttpServletRequest req, HttpServletResponse res) Exam exam = new Exam(

16、);try 判断是否是新增或者修改还是删除，如果是新增则不需要idString hh = req.getParameter(examId + (String)req.getParameter(checkbox) + );if (!.equals(hh) & hh != null) exam.setId(Integer.valueOf(req.getParameter(examId+(String)req.getParameter(checkbox) + );/获取基本信息 exam.setName(String)req.getParameter(name+(String)req.getParameter(checkbox) + ); catch (Exception ex) ex.printStackTrace(); return exam;