完成了/news/getNewsList全数据流程

src/main/java/org/cmh/backend/NewsManagement/controller/NewsController.java

@@ -1,43 +1,45 @@
 package org.cmh.backend.NewsManagement.controller;
 
+import org.cmh.backend.NewsManagement.dto.GetNewsByPageRequest;
+import org.cmh.backend.NewsManagement.model.News;
+import org.cmh.backend.NewsManagement.service.NewsService;
+import org.cmh.backend.Utils.JwtVerify;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.web.bind.annotation.GetMapping;
-
+import org.springframework.web.bind.annotation.RequestBody;
-import java.util.ArrayList;
+import org.springframework.web.bind.annotation.RequestMapping;
-import java.util.List;
+import org.springframework.web.bind.annotation.RestController;
 
 @RestController
-@RequestMapping("/api/news")
+@RequestMapping("/news")
 public class NewsController {
-    //    @PostMapping("/example")
+    @Autowired
-//    public ResponseEntity<ExampleResponse> example(@RequestBody ExampleRequest request) {
+    private NewsService newsService;
-//        return new ResponseEntity<>(new ExampleResponse("Hello World!"), HttpStatus.OK);
+
+    @GetMapping("/getNewsPage")
+    @JwtVerify
+    public ResponseEntity<Page<News>> getNewsPage(@RequestBody GetNewsByPageRequest request) {
+        return new ResponseEntity<>(newsService.getNewsByPage(request), HttpStatus.OK);
+    }
+
+//    @PostMapping
+//    public ResponseEntity<String> createNews(@RequestBody NewsRequest request) {
+//        // TODO: 实现创建资讯的逻辑
+//        return new ResponseEntity<>("创建成功", HttpStatus.OK);
+//    }
+//
+//    @PutMapping("/{id}")
+//    public ResponseEntity<String> updateNews(@PathVariable Long id, @RequestBody NewsRequest request) {
+//        // TODO: 实现修改资讯的逻辑
+//        return new ResponseEntity<>("修改成功", HttpStatus.OK);
+//    }
+//
+//    @DeleteMapping("/{id}")
+//    public ResponseEntity<String> deleteNews(@PathVariable Long id) {
+//        // TODO: 实现删除资讯的逻辑
+//        return new ResponseEntity<>("删除成功", HttpStatus.OK);
 //    }
-    @GetMapping
-    public ResponseEntity<List<NewsResponse>> getNewsList(
-            @RequestParam(required = false) String title,
-            @RequestParam(required = false) String summary,
-            @RequestParam(required = false) String author) {
-        // TODO: 实现获取资讯列表的逻辑
-        return new ResponseEntity<>(new ArrayList<>(), HttpStatus.OK);
-    }
-
-    @PostMapping
-    public ResponseEntity<String> createNews(@RequestBody NewsRequest request) {
-        // TODO: 实现创建资讯的逻辑
-        return new ResponseEntity<>("创建成功", HttpStatus.OK);
-    }
-
-    @PutMapping("/{id}")
-    public ResponseEntity<String> updateNews(@PathVariable Long id, @RequestBody NewsRequest request) {
-        // TODO: 实现修改资讯的逻辑
-        return new ResponseEntity<>("修改成功", HttpStatus.OK);
-    }
-
-    @DeleteMapping("/{id}")
-    public ResponseEntity<String> deleteNews(@PathVariable Long id) {
-        // TODO: 实现删除资讯的逻辑
-        return new ResponseEntity<>("删除成功", HttpStatus.OK);
-    }
 }

src/main/java/org/cmh/backend/NewsManagement/dto/GetNewsByPageRequest.java

@@ -0,0 +1,13 @@
+package org.cmh.backend.NewsManagement.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+import org.cmh.backend.Utils.JwtRequest;
+
+
+@Getter
+@Setter
+public class GetNewsByPageRequest extends JwtRequest {
+    private Integer pageNo;
+    private Integer pageSize;
+}

src/main/java/org/cmh/backend/NewsManagement/repository/NewsRepository.java

@@ -1,8 +1,13 @@
 package org.cmh.backend.NewsManagement.repository;
 
 import org.cmh.backend.NewsManagement.model.News;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public interface NewsRepository extends JpaRepository<News, Long> {
     News findByTitle(String title);
 
@@ -16,4 +21,5 @@ public interface NewsRepository extends JpaRepository<News, Long> {
 
     News findByTitleAndSummaryAndAuthorAndImagePath(String title, String summary, String author, String imagePath);
 
+    Page<News> findAllByOrderByIdDesc(Pageable pageable);
 }

src/main/java/org/cmh/backend/NewsManagement/service/NewsService.java

@@ -0,0 +1,29 @@
+package org.cmh.backend.NewsManagement.service;
+
+import org.cmh.backend.NewsManagement.dto.GetNewsByPageRequest;
+import org.cmh.backend.NewsManagement.model.News;
+import org.cmh.backend.NewsManagement.repository.NewsRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+
+@Service
+public class NewsService {
+    @Autowired
+    private NewsRepository newsRepository;
+
+    public Page<News> getNewsByPage(GetNewsByPageRequest request) {
+        int pageNo = request.getPageNo();
+        int pageSize = request.getPageSize();
+        if (pageNo < 1) {
+            pageNo = 1;
+        }
+        if (pageSize < 1) {
+            pageSize = 10;
+        }
+        Pageable pageable = PageRequest.of(pageNo - 1, pageSize);
+        return newsRepository.findAllByOrderByIdDesc(pageable);
+    }
+}