java jsp实现网络考试系统（mysql）
java网络考试系统
功能：可进行学生、管理员登录，学生考试、管理员出卷、列表分页
@
目录
实现效果
主要代码实现
package cn.itbaizhan.tyut.exam.sys.servlets;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.beanutils.BeanUtils;
import cn.itbaizhan.tyut.exam.common.PageControl;
import cn.itbaizhan.tyut.exam.common.Pager;
import cn.itbaizhan.tyut.exam.common.Tools;
import cn.itbaizhan.tyut.exam.model.SysFunction;
import cn.itbaizhan.tyut.exam.sys.services.impl.FunService;
import cn.itbaizhan.tyut.exam.sys.services.interfaces.IFunService;
public class FunServlet extends HttpServlet {
IFunService service = new FunService();
@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String cmd = request.getParameter("cmd");
if(cmd.equals("add")){
addfun(request,response);
}else if(cmd.equals("list")){
funlist(request,response);
}else if(cmd.equals("toedit")){
toedit(request,response);
}else if(cmd.equals("edit")){
edit(request,response);
}
}
/**
* 修改系统功能
* @param request
* @param response
*/
private void edit(HttpServletRequest request, HttpServletResponse response) {
SysFunction fun = new SysFunction();
try {
BeanUtils.populate(fun, request.getParameterMap());
Integer rtn = service.edit(fun);
if(rtn>0){
response.sendRedirect(Tools.Basepath(request, response)+"sys/fun?cmd=list");
}else{
request.setAttribute("msg", "保存系统功能失败！");
request.getRequestDispatcher("/sys/function/edit.jsp").forward(request, response);
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 初始化修改页面
* @param request
* @param response
* @throws IOException
* @throws ServletException
*/
private void toedit(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
SysFunction fun = new SysFunction();
fun.setFunid(Integer.parseInt(request.getParameter("id")));
fun = service.detail(fun);
if(fun!=null){
request.setAttribute("item",fun);
request.getRequestDispatcher("/sys/function/edit.jsp").forward(request, response);
}else{
request.setAttribute("msg", "需要修改的系统功能不存在。");
request.getRequestDispatcher("/error.jsp").forward(request, response);
}
}
/**
* 查询功能列表
* @param request
* @param response
* @throws IOException
* @throws ServletException
*/
private void funlist(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
String sname = request.getParameter("sname");
SysFunction fun = new SysFunction();
if(sname!=null && !sname.equals("")){
fun.setFunname(sname);
}
PageControl pc = new PageControl();
Integer currindex = 1;
if(request.getParameter("index")!=null){
currindex = Integer.parseInt(request.getParameter("index"));
}
pc.setCurrentindex(currindex);
//pc.setPagesize(5);
Pager<SysFunction> pager = service.list(fun, pc);
request.setAttribute("pager", pager);
request.getRequestDispatcher("/sys/function/list.jsp").forward(request, response);
}
/**
* 增加系统功能
* @param request
* @param response
*/
private void addfun(HttpServletRequest request, HttpServletResponse response) {
SysFunction fun = new SysFunction();
try {
BeanUtils.populate(fun,request.getParameterMap());
Integer rtn = service.addfun(fun);
if(rtn>0){
response.sendRedirect(Tools.Basepath(request, response)+"sys/fun?cmd=list");
}else{
request.setAttribute("msg", "保存系统功能失败！");
request.getRequestDispatcher("/sys/function/add.jsp").forward(request, response);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
package cn.itbaizhan.tyut.exam.sys.servlets;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.beanutils.BeanUtils;
import cn.itbaizhan.tyut.exam.common.PageControl;
import cn.itbaizhan.tyut.exam.common.Pager;
import cn.itbaizhan.tyut.exam.common.Tools;
import cn.itbaizhan.tyut.exam.model.Paper;
import cn.itbaizhan.tyut.exam.model.Subject;
import cn.itbaizhan.tyut.exam.sys.services.impl.PaperService;
import cn.itbaizhan.tyut.exam.sys.services.interfaces.IPaperService;
public class PaperServlet extends HttpServlet {
IPaperService service = new PaperService();
protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String cmd = request.getParameter("cmd");
if(cmd.equals("add")){
addsubject(request,response);
}else if(cmd.equals("list")){
list(request,response);
}else if(cmd.equals("slist")){
slist(request,response);
}
}
/**
* 生成试题功能
* @param request
* @param response
*/
private void addsubject(HttpServletRequest request, HttpServletResponse response) {
Paper paper = new Paper();
try {
BeanUtils.populate(paper,request.getParameterMap());
Integer rtn = service.addpaper(paper) ;
if(rtn>0){
response.sendRedirect(Tools.Basepath(request, response)+"sys/paper?cmd=list");
}else{
request.setAttribute("msg", "增加试题功能失败！");
request.getRequestDispatcher("/sys/paper/add.jsp").forward(request, response);
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 查询试题列表
* @param request
* @param response
* @throws IOException
* @throws ServletException
*/
private void list(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
String pname = request.getParameter("pname");
Paper paper = new Paper();
if(pname!=null && !pname.equals("")){
paper.setPname(pname);
}
PageControl pc = new PageControl();
Integer currindex = 1;
if(request.getParameter("index")!=null){
currindex = Integer.parseInt(request.getParameter("index"));
}
pc.setCurrentindex(currindex);
//pc.setPagesize(5);
Pager<Paper> pager = service.list(paper, pc);
// System.out.println(pager.getList());;
request.setAttribute("pager", pager);
request.getRequestDispatcher("/sys/paper/list.jsp").forward(request, response);
}
private void slist(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
Paper paper = new Paper();
String pname = new String(request.getParameter("pname").getBytes("iso-8859-1"), "utf-8");
paper.setPname(pname);
List<Subject> subjects = service.subjectlist(paper);
request.setAttribute("subjects", subjects);
request.getRequestDispatcher("/sys/paper/subjects.jsp").forward(request, response);
}
}
package cn.itbaizhan.tyut.exam.sys.servlets;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.beanutils.BeanUtils;
import com.jspsmart.upload.SmartUpload;
import cn.itbaizhan.tyut.exam.common.DBUnitHelper;
import cn.itbaizhan.tyut.exam.common.PageControl;
import cn.itbaizhan.tyut.exam.common.Pager;
import cn.itbaizhan.tyut.exam.common.Tools;
import cn.itbaizhan.tyut.exam.model.Paper;
import cn.itbaizhan.tyut.exam.model.Studentpaper;
import cn.itbaizhan.tyut.exam.model.Subject;
import cn.itbaizhan.tyut.exam.sys.services.impl.StudentpaperService;
import cn.itbaizhan.tyut.exam.sys.services.impl.SubjectService;
import cn.itbaizhan.tyut.exam.sys.services.interfaces.IStudentpaperService;
import cn.itbaizhan.tyut.exam.sys.services.interfaces.ISubjectService;
public class StudentpaperServlet extends HttpServlet {
IStudentpaperService service = new StudentpaperService();
@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String cmd = request.getParameter("cmd");
// if(cmd.equals("add")){
// add(request,response);
// }
// else if(cmd.equals("list")){
// list(request,response);
// }
// else if(cmd.equals("listByRightcount")){
// listByRightcount(request,response);
// }
if(cmd.equals("list")){
list(request,response);
}else if(cmd.equals("score")){
score(request,response);
}else if(cmd.equals("stupaper")){
StudentPaperList(request,response);
}
}
/**
* 查询试卷得分
* @param request
* @param response
* @throws IOException
* @throws ServletException
*/
private void score(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
Studentpaper stupaper = new Studentpaper();
try {
BeanUtils.populate(stupaper,request.getParameterMap());
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println(stupaper.getUserid()+stupaper.getSpid());
List<Studentpaper> studentpaper = service.listByRightcount(stupaper);
Integer score = studentpaper.get(0).getRightcount();
request.setAttribute("score", score);
PrintWriter out = response.getWriter();
out.println("您本次得分" + score * 2 + "分!");
out.flush();
out.close();
//request.getRequestDispatcher("/sys/paper/subjects.jsp").forward(request, response);
}
/**
* 查询详细错题
* @param request
* @param response
* @throws IOException
* @throws ServletException
*/
private void list(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
Studentpaper studentpaper = new Studentpaper();
PageControl pc = new PageControl();
Integer currindex = 1;
if(request.getParameter("index")!=null){
currindex = Integer.parseInt(request.getParameter("index"));
}
pc.setCurrentindex(currindex);
//pc.setPagesize(5);
studentpaper.setUserid((Integer) request.getSession().getAttribute("userid"));
studentpaper.setSpid(request.getParameter("spid"));
Pager<Subject> pager = service.list(studentpaper, pc);
request.setAttribute("pager", pager);
request.getRequestDispatcher("/user/paper/studenterror.jsp").forward(request, response);
}
/**
* 增加试题功能
* @param request
* @param response
*//*
private void addsubject(HttpServletRequest request, HttpServletResponse response) {
Subject subject = new Subject();
try {
BeanUtils.populate(subject,request.getParameterMap());
Integer rtn = service.addsubject(subject);
if(rtn>0){
response.sendRedirect(Tools.Basepath(request, response)+"sys/subject?cmd=list");
}else{
request.setAttribute("msg", "增加试题功能失败或请不要添加相同试题！");
request.getRequestDispatcher("/sys/subject/add.jsp").forward(request, response);
}
} catch (Exception e) {
e.printStackTrace();
}
}
*/
private void StudentPaperList(HttpServletRequest request, HttpServletResponse response) {
Studentpaper studentpaper = new Studentpaper();
Integer userid = (Integer) request.getSession().getAttribute("userid");
studentpaper.setUserid(userid);
List<Studentpaper> papers = service.StudentPaperList(studentpaper);
request.setAttribute("papers", papers);
try {
request.getRequestDispatcher("/user/paper/studentpaper.jsp").forward(request, response);
} catch (ServletException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
package cn.itbaizhan.tyut.exam.sys.servlets;
import java.io.IOException;
import java.util.List;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.beanutils.BeanUtils;
import com.jspsmart.upload.SmartUpload;
import cn.itbaizhan.tyut.exam.common.DBUnitHelper;
import cn.itbaizhan.tyut.exam.common.PageControl;
import cn.itbaizhan.tyut.exam.common.Pager;
import cn.itbaizhan.tyut.exam.common.Tools;
import cn.itbaizhan.tyut.exam.model.Subject;
import cn.itbaizhan.tyut.exam.sys.services.impl.SubjectService;
import cn.itbaizhan.tyut.exam.sys.services.interfaces.ISubjectService;
public class SubjectServlet extends HttpServlet {
ISubjectService service = new SubjectService();
@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String cmd = request.getParameter("cmd");
if(cmd.equals("add")){
addsubject(request,response);
}else if(cmd.equals("list")){
list(request,response);
}else if(cmd.equals("toedit")){
toedit(request,response);
}else if(cmd.equals("edit")){
edit(request,response);
}
}
/**
* 修改试题功能
* @param request
* @param response
*/
private void edit(HttpServletRequest request, HttpServletResponse response) {
Subject subject = new Subject();
try {
BeanUtils.populate(subject, request.getParameterMap());
Integer rtn = service.edit(subject);
if(rtn>0){
response.sendRedirect(Tools.Basepath(request, response)+"sys/subject?cmd=list");
}else{
request.setAttribute("msg", "编辑试题功能失败！");
request.getRequestDispatcher("/sys/subject/edit.jsp").forward(request, response);
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 初始化修改页面
* @param request
* @param response
* @throws IOException
* @throws ServletException
*/
private void toedit(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
Subject subject = new Subject();
subject.setSid(Integer.parseInt(request.getParameter("id")));
subject = service.detail(subject);
if(subject!=null){
request.setAttribute("item",subject);
request.getRequestDispatcher("/sys/subject/edit.jsp").forward(request, response);
}else{
request.setAttribute("msg", "需要修改的试题功能不存在。");
request.getRequestDispatcher("/error.jsp").forward(request, response);
}
}
/**
* 查询试题列表
* @param request
* @param response
* @throws IOException
* @throws ServletException
*/
private void list(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
String scontent = request.getParameter("scontent");
Subject subject = new Subject();
if(scontent!=null && !scontent.equals("")){
subject.setScontent(scontent);
}
PageControl pc = new PageControl();
Integer currindex = 1;
if(request.getParameter("index")!=null){
currindex = Integer.parseInt(request.getParameter("index"));
}
pc.setCurrentindex(currindex);
//pc.setPagesize(5);
Pager<Subject> pager = service.list(subject, pc);
request.setAttribute("pager", pager);
request.getRequestDispatcher("/sys/subject/list.jsp").forward(request, response);
}
/**
* 增加试题功能
* @param request
* @param response
*/
private void addsubject(HttpServletRequest request, HttpServletResponse response) {
Subject subject = new Subject();
try {
BeanUtils.populate(subject,request.getParameterMap());
Integer rtn = service.addsubject(subject);
if(rtn>0){
response.sendRedirect(Tools.Basepath(request, response)+"sys/subject?cmd=list");
}else{
request.setAttribute("msg", "增加试题功能失败或请不要添加相同试题！");
request.getRequestDispatcher("/sys/subject/add.jsp").forward(request, response);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
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