功能介绍：
登录、注册、新闻发布、新闻管理、公告发布、用户管理、退出登录
类型设置服务类：
package com.schoolnews.controller;
import com.schoolnews.dao.CategoryDao;
import com.schoolnews.javabean.Category;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.servlet.http.HttpServletRequest;
import java.util.List;
import java.util.stream.Collectors;
@Controller
@RequestMapping("CategoryServlet")
public class CategoryController {
@Autowired
private HttpServletRequest request;
private CategoryDao categoryDao=new CategoryDao();
@RequestMapping("/listforadmin")
public String listforadmin(){
List<Category> categoryList = categoryDao.queryAll();
request.setAttribute("list", categoryList);
return "listcategory";
}
@RequestMapping("/show")
public String show(){
List<Category> categoryList = categoryDao.queryAll();
categoryList=categoryList.stream().filter(x->x.getState().equals("1")).collect(Collectors.toList());
if(categoryList.size()>=5)
{
request.setAttribute("list", categoryDao.queryAll());
request.setAttribute("msg","设置栏目显示失败，前台栏目最多显示5个");
return "listcategory";
}else {
categoryDao.show(Integer.parseInt(request.getParameter("id")));
return "redirect:listforadmin";
}
}
@RequestMapping("/hidden")
public String hidden(){
categoryDao.hidden(Integer.parseInt(request.getParameter("id")));
return "redirect:listforadmin";
}
@RequestMapping("/add")
public String add(){
String name=request.getParameter("name");
String state=request.getParameter("state");
Category category=new Category();
category.setName(name);
category.setState(state);
categoryDao.save(category);
return "redirect:listforadmin";
}
}
用户服务类：
package com.schoolnews.controller;
import com.schoolnews.dao.CategoryDao;
import com.schoolnews.dao.UsersDao;
import com.schoolnews.javabean.Category;
import com.schoolnews.javabean.Comments;
import com.schoolnews.javabean.Users;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.servlet.http.HttpServletRequest;
import java.util.List;
import java.util.stream.Collectors;
@Controller
@RequestMapping("UsersServlet")
public class UsersController {
private UsersDao usersDao = new UsersDao();
@Autowired
private HttpServletRequest request;
@RequestMapping("/loginadmin")
public String loginadmin() {
String username = request.getParameter("username");
String password = request.getParameter("password");
Users users = usersDao.login(username, password);
if (users != null) {
request.getSession().setAttribute("loginUsers", users);
return "admin_index";
} else {
request.setAttribute("msg", "登录失败，账号密码不匹配");
return "admin_login";
}
}
@RequestMapping("/userlogin")
public String userlogin() {
String userName = request.getParameter("username");
String password = request.getParameter("password");
String clientCheckcode = request.getParameter("validateCode");
String serverCheckcode = (String) request.getSession().getAttribute("checkcode");
if (clientCheckcode.equals(serverCheckcode)) {
// 2. 去访问dao ， 看看是否满足登录。
Users Users = usersDao.userlogin(userName, password);
// 3. 针对dao的返回结果，做出响应
if (Users != null) {
request.getSession().setAttribute("usersLogin", Users);
CategoryDao categoryDao = new CategoryDao();
List<Category> categoryList = categoryDao.queryAll();
request.setAttribute("categoryList", categoryList.stream().filter(x -> x.getState().equals("1")).collect(Collectors.toList()));
return "index";
} else {
request.setAttribute("error", "用户名或密码错误！");
return "login";
}
} else {
request.setAttribute("error", "登录失败，验证码不正确！");
return "login";
}
}
@RequestMapping("/userreg")
public String userreg() {
String username = request.getParameter("username");
String password = request.getParameter("password");
String account = request.getParameter("account");
String email = request.getParameter("email");
String password2 = request.getParameter("password2");
if (!password.equals(password2)) {
request.setAttribute("error", "注册失败，密码与确认密码不一致！");
return "reg";
} else {
boolean isSuccess = usersDao.isReg(account);
if (!isSuccess) {
request.setAttribute("error", "注册失败，该用户名已存在！");
return "reg";
} else {
usersDao.reg(username, account, password, email);
request.setAttribute("error", "注册成功！");
return "reg";
}
}
}
@RequestMapping("/listforadmin")
public String listforadmin() {
List<Users> list = usersDao.getUsers();
request.setAttribute("list", list);
return "listusers";
}
@RequestMapping("/del")
public String del(Integer id) {
usersDao.del(id);
List<Users> list = usersDao.getUsers();
request.setAttribute("list", list);
return "listusers";
}
}
新闻服务类：
package com.schoolnews.controller;
import com.schoolnews.dao.CategoryDao;
import com.schoolnews.dao.CommentsDao;
import com.schoolnews.dao.NewsDao;
import com.schoolnews.javabean.Category;
import com.schoolnews.javabean.*;
import com.schoolnews.javabean.Users;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.servlet.http.HttpServletRequest;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;
@Controller
@RequestMapping("NewsServlet")
public class NewsController {
@Autowired
private HttpServletRequest request;
private NewsDao newsDao = new NewsDao();
private CategoryDao categoryDao = new CategoryDao();
private CommentsDao commentsDao = new CommentsDao();
@RequestMapping("/publish")
public String publish(){
String title = request.getParameter("title");
String content = request.getParameter("content");
String categoryid = request.getParameter("categoryid");
Users users = (Users) request.getSession().getAttribute("loginUsers");
Integer usersId = users.getId();
Integer deptid = users.getDeptid();
News news = new News();
news.setCategoryid(Integer.parseInt(categoryid));
news.setClicks(0);
news.setContent(content);
news.setPbdate(new Date());
news.setPbdeptid(deptid);
news.setPublisher(usersId);
news.setCategoryid(Integer.parseInt(categoryid));
news.setTitle(title);
newsDao.save(news);
return "redirect:listforadmin";
}
@RequestMapping("/listforadmin")
public String listforadmin(){
List<News> newsList = newsDao.queryAll();
request.setAttribute("list", newsList);
return "listnews";
}
@RequestMapping("/toaddnews")
public String toaddnews(){
List<News> newsList = newsDao.queryAll();
request.setAttribute("list", newsList);
List<Category> categoryList = categoryDao.queryAll();
request.setAttribute("categoryList", categoryList);
return "addnews";
}
@RequestMapping("/edit")
public String edit(){
String title = request.getParameter("title");
String content = request.getParameter("content");
String categoryid = request.getParameter("categoryid");
News news = new News();
news.setCategoryid(Integer.parseInt(categoryid));
news.setContent(content);
news.setPbdate(new Date());
news.setId(Integer.parseInt(request.getParameter("id")));
news.setTitle(title);
newsDao.edit(news);
return "redirect:listforadmin";
}
@RequestMapping("/del")
public String del(){
newsDao.deleteById(Integer.parseInt(request.getParameter("id")));
List<News> newsList = newsDao.queryAll();
request.setAttribute("list", newsList);
return "listnews";
}
@RequestMapping("/toeditnews")
public String toeditnews(){
News news = newsDao.queryByid(Integer.parseInt(request.getParameter("id")));
request.setAttribute("v", news);
List<Category> categoryList = categoryDao.queryAll();
request.setAttribute("categoryList", categoryList);
return "editnews";
}
@RequestMapping("/queryByType")
public String queryByType(){
String categoryid = request.getParameter("categoryid");
List<News> newsList = newsDao.queryAll();
request.setAttribute("list", newsList.stream()
.filter(x -> x.getCategoryid().equals(Integer.parseInt(categoryid))).collect(Collectors.toList()));
List<Category> categoryList = categoryDao.queryAll();
request.setAttribute("categoryList",
categoryList.stream().filter(x -> x.getState().equals("1")).collect(Collectors.toList()));
return "typenews";
}
@RequestMapping("/detail")
public String detail(){
//测试
String id = request.getParameter("id");
if(id.contains(".jsp"))
{
id= request.getParameter("id").replaceAll(".jsp","");
}
News news = newsDao.queryByid(Integer.parseInt(id));
news.setClicks(news.getClicks() + 1);
newsDao.setClicksIncrement(news);
NewsDetail detail = new NewsDetail();
detail.setNews(news);
Category category = categoryDao.queryById(news.getCategoryid());
detail.setCategory(category);
String content = news.getContent();
int length = content.length();
length = length / 60;
length = length * 27 + 10;
request.setAttribute("length", length);
request.setAttribute("v", detail);
List<Category> categoryList = categoryDao.queryAll();
List<Comments> commentsList = commentsDao.getByNewsId(news.getId());
request.setAttribute("commentsList", commentsList);
request.setAttribute("contentstr", content);
request.setAttribute("categoryList",
categoryList.stream().filter(x -> x.getState().equals("1")).collect(Collectors.toList()));
return "detailnews";
}
@RequestMapping("/search")
public String search(){
String search = request.getParameter("search");
request.setAttribute("searchStr", search);
List<News> newsList = newsDao.queryAll();
newsList=newsList.stream().filter(x -> x.getTitle().contains(search)).collect(Collectors.toList());
newsList= newsList.stream().map(x->{
String title = x.getTitle();
/* String[] split = title.split(search);
*/
/*if(split.length>=2){
for(int i=0;i<split.length-1;i++){
title=split[i]+"<font color='red'>"+search+"</font>"+split[i+1];
}
}else{
title=split[0]+"<font color='red'>"+search+"</font>";
}*/
title=title.replace(search, "<font color='red'>"+search+"</font>");
System.out.println(title);
x.setTitle(title);
return x;
}).collect(Collectors.toList());
request.setAttribute("list",newsList
);
List<Category> categoryList = categoryDao.queryAll();
request.setAttribute("categoryList",
categoryList.stream().filter(x -> x.getState().equals("1")).collect(Collectors.toList()));
return "searchnews";
}
}