在这里插入代码片
``package com.zhongruan.bean;
import java.util.List;
public class PageInfo<T> {
private List<T> list;
private int totalPage;
private int size;
private int totalCount;
private int currentPage;
public List<T> getList() {
return list;
}
public void setList(List<T> list) {
this.list = list;
}
public int getTotalPage() {
return totalPage;
}
public void setTotalPage(int totalPage) {
this.totalPage = totalPage;
}
public int getSize() {
return size;
}
public void setSize(int size) {
this.size = size;
}
public int getTotalCount() {
return totalCount;
}
public void setTotalCount(int totalCount) {
this.totalCount = totalCount;
}
public int getCurrentPage() {
return currentPage;
}
public void setCurrentPage(int currentPage) {
this.currentPage = currentPage;
}
@Override
public String toString() {
return "PageInfo{" +
"list=" + list +
", totalPage=" + totalPage +
", size=" + size +
", totalCount=" + totalCount +
", currentPage=" + currentPage +
'}';
}
}
`
package com.zhongruan.bean;
public class User {
public User(){
}
public User(int id, String username,String password){
this.id = id;
this.username = username;
this.password = password;
}
public User(String username,String password){
this.username = username;
this.password = password;
}
private int id;
private String username;
private String password;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
@Override
public String toString() {
return "User{" +
"id=" + id +
", username='" + username + '\'' +
", password='" + password + '\'' +
'}';
}
}
package com.zhongruan.controller;
import com.zhongruan.bean.PageInfo;
import com.zhongruan.bean.User;
import com.zhongruan.service.IUserService;
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.RequestParam;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpSession;
import java.util.ArrayList;
import java.util.List;
@Controller
@RequestMapping("/user")
public class UserController {
@Autowired
private IUserService userService;
@RequestMapping("/login.do")
public ModelAndView login(User user, HttpSession session){
boolean flag=userService.login(user.getUsername(),user.getPassword());
ModelAndView modelAndView = new ModelAndView();
if(flag){
session.setAttribute("user",user);
modelAndView.setViewName("main");
System.out.println("success");
}else {
modelAndView.setViewName("../failer");
}
return modelAndView;
}
@RequestMapping("/findAll.do")
public ModelAndView findAll(@RequestParam(defaultValue = "1") int currentPage){
PageInfo<User> pageInfo=userService.findAll(currentPage);
ModelAndView modelAndView=new ModelAndView();
modelAndView.addObject("pageInfo",pageInfo);
modelAndView.setViewName("user-list");
return modelAndView;
}
@RequestMapping("/deleteById.do")
public String delete(int id){
userService.deleteById(id);
return "redirect:findAll.do";
}
@RequestMapping("/add.do")
public String add(User user){
userService.add(user);
return "redirect:findAll.do";
}
@RequestMapping("/toUpdate.do")
public ModelAndView toUpdate(int id){
User user=userService.selectUserById(id);
ModelAndView modelAndView=new ModelAndView();
modelAndView.setViewName("user-update");
modelAndView.addObject("user",user);
return modelAndView;
}
@RequestMapping("/update.do")
public String update(User user){
userService.update(user);
return "redirect:findAll.do";
}
}
package com.zhongruan.dao;
import com.zhongruan.bean.User;
import java.util.List;
public interface UserDao {
int getTotalCount();
User findUserByUserName(String username);
List<User> findAll(int start);
void deleteById(int id);
void add(User user);
User selectById(int id);
void update(User user);
}
package com.zhongruan.filter;
import com.zhongruan.bean.User;
import javax.servlet.*;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
public class LoginFilter implements Filter {
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
HttpServletRequest request = (HttpServletRequest) servletRequest;
HttpServletResponse response = (HttpServletResponse) servletResponse;
HttpSession session = request.getSession();
User user = (User) session.getAttribute("user");
String uri=request.getRequestURI();
if(user==null && uri.indexOf("login.do")==-1){
response.sendRedirect(request.getContextPath()+"../login.jsp");
}else{
filterChain.doFilter(request,response);
}
}
@Override
public void destroy() {
}
}
package com.zhongruan.service;
import com.zhongruan.bean.PageInfo;
import com.zhongruan.bean.User;
import java.util.List;
public interface IUserService {
boolean login(String username,String password);
PageInfo<User> findAll(int currentPage);
void add(User user);
void deleteById(int id);
void toUpdate(User user);
User selectUserById(int id);
void update(User user);
}
Processed:
0.010, SQL:
9
