Echo/src/main/java/com/greate/community/controller/HomeController.java
2021-01-17 11:14:50 +08:00

51 lines
1.6 KiB
Java

package com.greate.community.controller;
import com.greate.community.entity.DiscussPost;
import com.greate.community.entity.Page;
import com.greate.community.entity.User;
import com.greate.community.service.DiscussPostSerivce;
import com.greate.community.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.GetMapping;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@Controller
public class HomeController {
@Autowired
private DiscussPostSerivce discussPostSerivce;
@Autowired
private UserService userService;
@GetMapping("/index")
public String getIndexPage(Model model, Page page) {
// 获取总页数
page.setRows(discussPostSerivce.findDiscussPostRows(0));
page.setPath("/index");
// 分页查询
List<DiscussPost> list = discussPostSerivce.findDiscussPosts(0, page.getOffset(), page.getLimit());
// 封装帖子和该帖子对应的用户信息
List<Map<String, Object>> discussPosts = new ArrayList<>();
if (list != null) {
for (DiscussPost post : list) {
Map<String, Object> map = new HashMap<>();
map.put("post", post);
User user = userService.findUserById(post.getUserId());
map.put("user", user);
discussPosts.add(map);
}
}
model.addAttribute("discussPosts", discussPosts);
return "index";
}
}