基于注解式的ssh2考试系统

package com.xmair.exam.action; import java.io.UnsupportedEncodingException; import java.util.ArrayList; import java.util.List; import java.util.Map; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts2.ServletActionContext; import org.apache.struts2.convention.annotation.Action; import org.apache.struts2.convention.annotation.Result; import org.apache.struts2.interceptor.ServletRequestAware; import org.apache.struts2.interceptor.ServletResponseAware; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; import com.xmair.exam.domain.Subject; import com.xmair.exam.service.SubjectService; import com.xmair.exam.util.Page; import com.xmair.exam.util.PageResult; @Action(value = "basicSubjectAction", results = { @Result(name = "listSubjectAnswer", location = "/student/showAnswer.jsp"), @Result(name = "insertSubjectSuccess",type="redirect", location = "/teacher/subjectAdd.jsp"), @Result(name = "insertSubjectError", location = "/teacher/subjectAdd.jsp"), @Result(name = "listSubject", location = "/teacher/subjectManage.jsp"), @Result(name = "beforeUpdate", location = "/teacher/subjectUpdate.jsp"), @Result(name = "updateSuccess", location = "/teacher/subjectUpdate.jsp"), @Result(name = "findParticularSubject", location = "/teacher/subjectShow.jsp"), @Result(name = "querySuccess", location = "/teacher/subjectManage.jsp")}) public class BasicSubjectAction extends ActionSupport implements ServletRequestAware, ServletResponseAware { private static final long serialVersionUID = 3109600201472812229L; /** * 使用Ioc方式获取request */ protected HttpServletRequest request; /** * 使用Ioc方式获取response */ protected HttpServletResponse response; @Override public void setServletRequest(HttpServletRequest request) { this.request = request; } @Override public void setServletResponse(HttpServletResponse response) { this.response = response; } @Resource private SubjectService subjectService; @SuppressWarnings({ "unchecked", "rawtypes" }) public String listSubjectAnswer() { List<Subject> subjects = new ArrayList<Subject>(); HttpServletRequest request = ServletActionContext.getRequest(); Map session = ActionContext.getContext().getSession(); List<Integer> subjectIDs = (List<Integer>) session.get("subjectIDs"); for(Integer subjectID : subjectIDs) { Subject subject = subjectService.showSubjectParticular(subjectID); subjects.add(subject); } request.setAttribute("subjects", subjects); return "listSubjectAnswer"; } public String addAnswer() { Subject subject = new Subject(); subject.setSubjectTitle(request.getParameter("subjectTitle")); subject.setSubjectOptionA(request.getParameter("subjectOptionA")); subject.setSubjectOptionB(request.getParameter("subjectOptionB")); subject.setSubjectOptionC(request.getParameter("subjectOptionC")); subject.setSubjectOptionD(request.getParameter("subjectOptionD")); subject.setSubjectAnswer(request.getParameter("subjectAnswer")); subject.setSubjectParse(request.getParameter("subjectParse")); if(subjectService.saveSubject(subject)) { return "insertSubjectSuccess"; }else { this.addActionError("插入一条题目记录失败"); return "insertSubjectError"; } } @SuppressWarnings("unchecked") public String listSubject() { Page page = new Page(); page.setEveryPage(10);//每页显示10条记录 if(!("".equals(request.getParameter("currentPage"))||request.getParameter("currentPage")==null)) { page.setCurrentPage( Integer.parseInt(request.getParameter("currentPage")));//设置当前页 } PageResult pageResult = subjectService.querySubjectByPage(page); List<Subject> subjects = pageResult.getList();//获得试题记录 page = pageResult.getPage();//获得分页信息 HttpServletRequest request = ServletActionContext.getRequest(); request.setAttribute("subjects", subjects); request.setAttribute("page", page); return "listSubject"; } public String subjectUpdateBefore() { Subject subject = subjectService.showSubjectParticular(Integer.parseInt(request.getParameter("subjectID"))); ServletActionContext.getRequest().setAttribute("subject", subject); return "beforeUpdate"; } public String subjectUpdate() throws UnsupportedEncodingException { Subject subject = new Subject(); subject.setSubjectID(Integer.parseInt(request.getParameter("subjectID"))); System.out.println("subjecttitle"+request.getParameter("subjectTitle")+"answerParse"+request.getParameter("answerParse")); subject.setSubjectTitle(new String(request.getParameter("subjectTitle").getBytes("gbk"),"gbk")); subject.setSubjectOptionA(request.getParameter("subjectOptionA")); subject.setSubjectOptionB(request.getParameter("subjectOptionB")); subject.setSubjectOptionC(request.getParameter("subjectOptionC")); subject.setSubjectOptionD(request.getParameter("subjectOptionD")); subject.setSubjectAnswer(request.getParameter("subjectAnswer")); subject.setSubjectParse(request.getParameter("answerParse")); subjectService.updateSubject(subject); ServletActionContext.getRequest().setAttribute("subject", subject); this.addActionMessage("修改成功"); return "updateSuccess"; } @SuppressWarnings("unchecked") public String subjectDelete() { int subjectid = Integer.parseInt(request.getParameter("subjectID")); subjectService.deleteSubject(subjectid); Page page = new Page(); page.setEveryPage(10);//每页显示10条记录 if(!("".equals(request.getParameter("currentPage"))||request.getParameter("currentPage")==null)) { page.setCurrentPage( Integer.parseInt(request.getParameter("currentPage")));//设置当前页 } PageResult pageResult = subjectService.querySubjectByPage(page); List<Subject> subjects = pageResult.getList();//获得试题记录 page = pageResult.getPage();//获得分页信息 HttpServletRequest request = ServletActionContext.getRequest(); request.setAttribute("subjects", subjects); request.setAttribute("page", page); return "listSubject"; } public String findParticularSubject() { int subjectid = Integer.parseInt(request.getParameter("subjectID")); Subject subject = subjectService.showSubjectParticular(subjectid); ServletActionContext.getRequest().setAttribute("subject", subject); return "findParticularSubject"; } @SuppressWarnings("unchecked") public String subjectLikeQuery() { Page page = new Page(); page.setEveryPage(10);//每页显示10条记录 if(!("".equals(request.getParameter("currentPage"))||request.getParameter("currentPage")==null)) { page.setCurrentPage( Integer.parseInt(request.getParameter("currentPage")));//设置当前页 } String subjectTitle = request.getParameter("subjectTitle"); PageResult pageResult = subjectService.likeQueryBySubjectTitle(subjectTitle, page); List<Subject> subjects = pageResult.getList();//获得试题记录 List<Subject> newSubjects = new ArrayList<Subject>();//新的记录 //给关键字标红 for(Subject subject : subjects) { String newTitle = subject.getSubjectTitle().replaceAll(subjectTitle, "<font color='red'>" + subjectTitle + "</font>"); subject.setSubjectTitle(newTitle); newSubjects.add(subject); } page = pageResult.getPage();//获得分页信息 HttpServletRequest request = ServletActionContext.getRequest(); request.setAttribute("subjects", newSubjects); request.setAttribute("page", page); return "querySuccess"; } }