package com.qf.myblogssm.controller;
import com.qf.myblogssm.pojo.Article;
import com.qf.myblogssm.pojo.Tag;
import com.qf.myblogssm.pojo.User;
import com.qf.myblogssm.service.ArticleService;
import com.qf.myblogssm.service.CommentService;
import com.qf.myblogssm.service.TagService;
import com.qf.myblogssm.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.List;
import java.util.Map;
@Controller
@RequestMapping("/users")
public class UserController {
//根据名称进行注入
//@Resource
//自行装配的注释
//根据类型进行注入
@Autowired
private UserService userService;
@Autowired
private ArticleService articleService;
@Autowired
private TagService tagService;
@Autowired
private CommentService commentService;
//设置路径的访问,是通过接口文档来设置
@RequestMapping("/index")
public String index(HttpServletRequest request,Model model){
//会去redis数据库中判断用户的token令牌
//先判断session里面是否有一个用户,如果有则直接进入主页面,如果没有则进入登陆页
HttpSession session = request.getSession();
User user = (User) session.getAttribute("user");
if(user != null) {
//应该将session的过期时间进行刷新
session.setMaxInactiveInterval(300);
//需要加载的静态的页面信息
ini(model);
//http://localhost:8080/myblogssm_war_exploded/index.jsp
///jsp/main.jsp
return "main";
}else{
return "login";
}
}
@RequestMapping("/loginout")
public String loginout(HttpServletRequest request){
request.getSession().setAttribute("user",null);
return "login";
}
@RequestMapping("/login")
public String login(String username, String password, HttpServletRequest request, Model model){
//调用服务层 声明一个服务层的对象
User user = userService.login(username,password);
//返回我们需要的界面 login.jsp main.jsp
if(user!=null){
//返回maia.jsp
//将登陆成功的user放到session中并设置过期时间
HttpSession session = request.getSession();
session.setAttribute("user",user);
//设置过期时间 单位是秒
session.setMaxInactiveInterval(300);
//携带着主页面的初始化信息
//实现文章列表的携带 操作文章的服务器
//需要文章的服务层提供一个函数 并且该函数需要返回一个存放着Article的list
ini(model);
return "main";
}else {
//携带错误信息返回
//request.setAttribute("msg","用户名或密码错误");
model.addAttribute("msg","用户名或密码错误");
return "login";
}
}
//封装一个初始化页面信息的函数
public void ini(Model model){
List<Article> articleList = articleService.selectAll();
model.addAttribute("article_list",articleList);
//实现文章个数 分类个数 标签个数
int tagList = tagService.selectTag();
model.addAttribute("tag_number",tagList);
int commentNumber = commentService.selectComment();
model.addAttribute("sort_number",commentNumber);
int articleNumber = articleService.selectArticle();
model.addAttribute("article_number",articleNumber);
//实现分类统计 sort_count_map key值为分类名称 value值为分类统计个数
Map<String,Integer> sort_count_map = articleService.getSortAndCoust();
model.addAttribute("sort_count_map",sort_count_map);
//标签
List<Tag> taglist = tagService.selectAll();
model.addAttribute("tag_list",taglist);
}
}
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