基于SSM框架在线考试系统设计文档

package com.sk.controller.teacher; import java.util.ArrayList; import java.util.List; import javax.servlet.http.HttpServletRequest; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import com.sk.commons.CopyEntityToDto; import com.sk.commons.ExamConstant; import com.sk.dto.QuestionsDto; import com.sk.dto.SelectedDto; import com.sk.service.DictService; import com.sk.service.QuestionService; import com.sk.service.SubjectService; @RequestMapping("/teacher") @Controller public class TeacherQuestionController { @Autowired private QuestionService questionService; @Autowired private DictService dictService; @Autowired private CopyEntityToDto copyEntityToDto; @Autowired private SubjectService subjectService; /** * 通过Id修改试题相关 * @param httpServletRequest * @return */ @ResponseBody @RequestMapping("/upQuestionById") public String updateQuestion(HttpServletRequest request){ String content = request.getParameter("content"); String[] id = request.getParameter("id").toString().split(";"); QuestionsDto dto = new QuestionsDto(); if(questionService.getQuestionByContentAndId(content,Integer.parseInt(id[0]))!=null){ return "2"; }else{ String qtypeid = request.getParameter("qtypeid"); String result = request.getParameter("result"); String sid = request.getParameter("sid"); dto.setContent(content); dto.setQtypeid(Integer.parseInt(qtypeid)); dto.setResult(Integer.parseInt(result)); dto.setSubjectid(Integer.parseInt(sid)); dto.setId(Integer.parseInt(id[0])); dto.setVersion(Integer.parseInt(id[1])); List<SelectedDto> sList = null; if(dictService.getDictByTypeAndCode(ExamConstant.QUES_TYPE, ExamConstant.QUES_SELECT).getId().equals(Integer.parseInt(qtypeid))){ sList = new ArrayList<>(); String[] Aid = request.getParameter("Aid").toString().split(";"); String[] Bid = request.getParameter("Bid").toString().split(";"); String[] Cid = request.getParameter("Cid").toString().split(";"); String[] Did = request.getParameter("Did").toString().split(";"); SelectedDto A = new SelectedDto(Integer.parseInt(Aid[0]),Integer.parseInt(id[0]),dictService.getDictByTypeAndCode(ExamConstant.QUES_SELECT_TYPE, ExamConstant.QUES_A).getId(), request.getParameter("A"), Integer.parseInt(Aid[1])); SelectedDto B = new SelectedDto(Integer.parseInt(Bid[0]),Integer.parseInt(id[0]),dictService.getDictByTypeAndCode(ExamConstant.QUES_SELECT_TYPE, ExamConstant.QUES_B).getId(), request.getParameter("B"), Integer.parseInt(Bid[1])); SelectedDto C = new SelectedDto(Integer.parseInt(Cid[0]),Integer.parseInt(id[0]),dictService.getDictByTypeAndCode(ExamConstant.QUES_SELECT_TYPE, ExamConstant.QUES_C).getId(), request.getParameter("C"), Integer.parseInt(Cid[1])); SelectedDto D = new SelectedDto(Integer.parseInt(Did[0]),Integer.parseInt(id[0]),dictService.getDictByTypeAndCode(ExamConstant.QUES_SELECT_TYPE, ExamConstant.QUES_D).getId(), request.getParameter("D"), Integer.parseInt(Did[1])); sList.add(A); sList.add(B); sList.add(C); sList.add(D); } dto.setSelecteds(sList); if(questionService.updateQuestionById(dto)){ return "0"; }else{ return "1"; } } } /** * 查看具体试题 * @param request * @return */ @RequestMapping("/getQuestionById") public String getQuestionById(HttpServletRequest request){ String id = request.getParameter("id"); request.setAttribute("subList", subjectService.getAllSubjects()); request.setAttribute("qDto",copyEntityToDto.copyQuesEntityToDto(questionService.getQuestionById(Integer.parseInt(id)))); return "_teacher/questionUpdate"; } /** * 删除试题并删除其关联选项 * @param request * @return */ @ResponseBody @RequestMapping("/deleteQuestion") public String delQuestion(HttpServletRequest request){ String qid = request.getParameter("qid"); String tid = request.getParameter("tid"); if(qid==null || "".equals(qid)){ return "1"; }else{ if(questionService.delQuestionById(Integer.parseInt(qid),Integer.parseInt(tid))){ return "0"; }else{ return "1"; } } } /** * 添加试题 * @param request * @return */ @ResponseBody @RequestMapping("/doAddQuestion") public String addQuestion(HttpServletRequest request){ String content = request.getParameter("content"); QuestionsDto dto = new QuestionsDto(); if(questionService.getQuestionByContent(content)!=null){ return "2"; }else{ String qtypeid = request.getParameter("qtypeid"); String result = request.getParameter("result"); String sid = request.getParameter("sid"); dto.setContent(content); dto.setQtypeid(Integer.parseInt(qtypeid)); dto.setResult(Integer.parseInt(result)); dto.setSubjectid(Integer.parseInt(sid)); dto.setVersion(0); List<SelectedDto> sList = null; if(dictService.getDictByTypeAndCode(ExamConstant.QUES_TYPE, ExamConstant.QUES_SELECT).getId().equals(Integer.parseInt(qtypeid))){ sList = new ArrayList<>(); SelectedDto A = new SelectedDto(dictService.getDictByTypeAndCode(ExamConstant.QUES_SELECT_TYPE, ExamConstant.QUES_A).getId(), request.getParameter("A"), 0); SelectedDto B = new SelectedDto(dictService.getDictByTypeAndCode(ExamConstant.QUES_SELECT_TYPE, ExamConstant.QUES_B).getId(), request.getParameter("B"), 0); SelectedDto C = new SelectedDto(dictService.getDictByTypeAndCode(ExamConstant.QUES_SELECT_TYPE, ExamConstant.QUES_C).getId(), request.getParameter("C"), 0); SelectedDto D = new SelectedDto(dictService.getDictByTypeAndCode(ExamConstant.QUES_SELECT_TYPE, ExamConstant.QUES_D).getId(), request.getParameter("D"), 0); sList.add(A); sList.add(B); sList.add(C); sList.add(D); } dto.setSelecteds(sList); if(questionService.addQuestion(dto)){ return "0"; }else{ return "1"; } } } }