——————————DescriptionStart——————————
运行环境
Java≥8、MySQL≥5.7、Tomcat≥8
开发工具
eclipse/idea/myeclipse/sts等均可配置运行
适用
课程设计，大作业，毕业设计，项目练习，学习演示等
功能说明
网络考试系统主要用于实现高校在线考试，基本功能包括：自动组卷、试卷发布、试卷批阅、试卷成绩统计等。本系统结构如下：
后台管理员：系统功能、用户、角色、题目管理、试卷管理、
后台教师：题目管理、试卷管理
前台学生：查看试题、答题、查看错题
后台管理员
后台教师
前台学生
技术框架
JSP Servlet MySQL JDBC Tomcat jQuery Bootstrap
基于javaweb的JSP+Servlet在线考试系统(java+jsp+servlet+mysql)
——————————CodeStart——————————
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| }
package com.demo.common.filters;
public class LoginFilter implements Filter {
public void destroy() {
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
HttpServletRequest req = (HttpServletRequest)request;
HttpServletResponse rsp = (HttpServletResponse)response;
HttpSession session = req.getSession();
if(session==null || session.getAttribute("user")==null){
rsp.sendRedirect("/projdemo/login.jsp");
return;
}
else{
System.out.println("成功执行操作");
}
chain.doFilter(request, response);
}
public void init(FilterConfig arg0) throws ServletException {
}
}
package com.demo.common;
|
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| if(rtn>0){
response.sendRedirect(Tools.Basepath(request, response)+"sys/user?cmd=list");
}else{
request.setAttribute("msg", "添加用户失败或请不要再重复添加");
request.getRequestDispatcher("/sys/user/add.jsp").forward(request, response);
}
} catch (Exception e) {
e.printStackTrace();
}
}
private void list(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String sname = request.getParameter("sname");
Sysuser user = new Sysuser();
if(sname!=null && !sname.equals("")){
user.setUsername(sname);
}
PageControl pc = new PageControl();
Integer currindex = 1;
if(request.getParameter("index")!=null){
currindex = Integer.parseInt(request.getParameter("index"));
}
pc.setCurrentindex(currindex);
Pager<Sysuser> pager = service.list(user, pc);
request.setAttribute("pager", pager);
request.getRequestDispatcher("/sys/user/list.jsp").forward(request, response);
}
private void logout(HttpServletRequest request, HttpServletResponse response) throws IOException {
HttpSession session = request.getSession();
|
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| }else{
request.setAttribute("msg", "保存角色失败！");
request.getRequestDispatcher("/sys/role/edit.jsp").forward(request, response);
}
} catch (Exception e) {
e.printStackTrace();
}
}
private void toedit(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
Sysrole role = new Sysrole();
role.setRoleid(Integer.parseInt(request.getParameter("id")));
role = service.detail(role);
if(role!=null){
request.setAttribute("item",role);
request.getRequestDispatcher("/sys/role/edit.jsp").forward(request, response);
}else{
request.setAttribute("msg", "需要修改的角色功能不存在。");
request.getRequestDispatcher("/error.jsp").forward(request, response);
}
}
}
package com.demo.sys.servlets;
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|
public class UserServlet extends HttpServlet {
IUserService service = new UserService();
IPaperService paperService = new PaperService();
IStudentpaperService spServece = new StudentpaperService();
@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String cmd= request.getParameter("cmd");
if(cmd.equals("paperlist")){
index(request,response);
}else if(cmd.equals("login")){
login(request,response);
}else if(cmd.equals("init")){
initpage(request,response);
}else if(cmd.equals("logout")){
logout(request,response);
}else if(cmd.equals("list")){
list(request,response);
}else if(cmd.equals("add")){
add(request,response);
|
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| * 用户初始化修改页面
* @param request
* @param response
* @throws IOException
* @throws ServletException
* @throws IOException
* @throws ServletException
*/
private void toedit(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
Sysuser user = new Sysuser();
user.setUserid(Integer.parseInt(request.getParameter("id")));
user = service.detail(user);
if(user!=null){
request.setAttribute("item",user);
request.getRequestDispatcher("/sys/user/edit.jsp").forward(request, response);
}else{
request.setAttribute("msg", "需要修改的用户不存在。");
request.getRequestDispatcher("/error.jsp").forward(request, response);
}
}
private void editpwd(HttpServletRequest request, HttpServletResponse response) {
Sysuser user = new Sysuser();
try {
BeanUtils.populate(user, request.getParameterMap());
Integer rtn = service.editpwd(user);
if(rtn>0){
response.sendRedirect(Tools.Basepath(request, response)+"sys/user?cmd=list");
}else{
request.setAttribute("msg", "保存用户失败！");
request.getRequestDispatcher("/sys/user/editpwd.jsp").forward(request, response);
}
} catch (Exception e) {
e.printStackTrace();
}
}
private void toeditpwd(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
|
——————————PayStart——————————
项目链接：
https://javayms.github.io?id=522321302106102am
https://javayms.pages.dev?id=522321302106102am