图片配置，帖子替换
Change-Id: I7396f3fc4227c7b248ca07455400abd50f71a33c
diff --git a/src/main/java/com/example/myproject/config/WebConfig.java b/src/main/java/com/example/myproject/config/WebConfig.java
new file mode 100644
index 0000000..5564452
--- /dev/null
+++ b/src/main/java/com/example/myproject/config/WebConfig.java
@@ -0,0 +1,15 @@
+package com.example.myproject.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class WebConfig implements WebMvcConfigurer {
+ @Override
+ public void addResourceHandlers(ResourceHandlerRegistry registry) {
+ // 访问 /uploads/** 映射到本地 D:/Desktop/echo/echo-backend/uploads/
+ registry.addResourceHandler("/uploads/**")
+ .addResourceLocations("file:D:/PT/echo-backend/uploads/");
+ }
+}
diff --git a/src/main/java/com/example/myproject/service/PostService.java b/src/main/java/com/example/myproject/service/PostService.java
index 90fc706..af032a5 100644
--- a/src/main/java/com/example/myproject/service/PostService.java
+++ b/src/main/java/com/example/myproject/service/PostService.java
@@ -1,5 +1,6 @@
package com.example.myproject.service;
+import com.example.myproject.entity.Collections;
import com.example.myproject.entity.Likes;
import com.example.myproject.entity.Post;
import com.example.myproject.entity.Users;
@@ -9,8 +10,8 @@
import com.example.myproject.repository.UserRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;
-import com.example.myproject.entity.Collections;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
@@ -25,6 +26,7 @@
@Autowired
private UserRepository userRepository;
+
@Autowired
private LikesRepository likesRepository;
@@ -33,11 +35,10 @@
private static final String IMAGE_DIR = "uploads/post/";
-
- //创建帖子
+ // 创建帖子 - 添加 @Transactional
+ @Transactional
public Map<String, Object> createPost(Long userId, String postContent, String title, MultipartFile[] imageFiles) {
- // 查找用户信息
- Users user = userRepository.findById(Long.valueOf(userId)).orElseThrow(() -> new RuntimeException("User not found"));
+ Users user = userRepository.findById(userId).orElseThrow(() -> new RuntimeException("User not found"));
Post post = new Post();
post.setUser_id(user.getUserId());
post.setPostTime(new Date());
@@ -46,7 +47,6 @@
post.setPostContent(postContent);
post.setTitle(title);
- // 处理多张图片的上传
StringBuilder imageUrlsBuilder = new StringBuilder();
if (imageFiles != null && imageFiles.length > 0) {
for (int i = 0; i < imageFiles.length; i++) {
@@ -63,6 +63,7 @@
}
post.setImageUrl(imageUrlsBuilder.toString());
Post savedPost = postRepository.save(post);
+
Map<String, Object> response = new HashMap<>();
response.put("postNo", savedPost.getPostNo());
response.put("message", "帖子创建成功");
@@ -78,8 +79,8 @@
return "/images/" + fileName;
}
-
- //编辑帖子
+ // 编辑帖子 - 添加 @Transactional
+ @Transactional
public void updatePost(Long postId, Post post) {
Post existingPost = postRepository.findById(postId).orElseThrow(() -> new RuntimeException("Post not found"));
if (post.getTitle() != null) {
@@ -92,11 +93,11 @@
existingPost.setImageUrl(post.getImageUrl());
}
existingPost.setPostTime(post.getPostTime());
- // 保存更新后的帖子
postRepository.save(existingPost);
}
- //删除帖子
+ // 删除帖子 - 添加 @Transactional
+ @Transactional
public void deletePost(Long postId) {
// 查找指定 ID 的帖子，如果不存在则抛出异常
if (!postRepository.existsById(postId)) {
@@ -106,7 +107,8 @@
postRepository.deleteById(postId);
}
- //点赞帖子（已完成）
+ // 点赞帖子 - 添加 @Transactional
+ @Transactional
public void likePost(Long postId, Long userId) {
// 查找指定 ID 的帖子
Post post = postRepository.findById(postId).orElseThrow(() -> new RuntimeException("Post not found"));
@@ -121,7 +123,8 @@
likesRepository.save(like);
}
- // 取消点赞帖子（已完成）
+ // 取消点赞帖子 - 已有 @Transactional
+ @Transactional
public void unlikePost(Long postId, Long userId) {
// 查找指定 ID 的帖子
Post post = postRepository.findById(postId).orElseThrow(() -> new RuntimeException("Post not found"));
@@ -138,39 +141,78 @@
postRepository.save(post);
}
+// // 获取帖子列表 - 不需要 @Transactional（只读操作）
+// public Map<String, Object> getAllPosts() {
+// List<Post> posts = postRepository.findAll();
+// List<Map<String, Object>> postList = new ArrayList<>();
+//
+// for (Post post : posts) {
+// Map<String, Object> postMap = new LinkedHashMap<>();
+// postMap.put("postNo", post.getPostNo());
+// postMap.put("user_id", post.getUser_id());
+// postMap.put("postContent", post.getPostContent());
+// postMap.put("imgUrl", post.getImageUrl());
+// postMap.put("title", post.getTitle());
+// postMap.put("createdAt",
+// post.getPostTime() != null ? post.getPostTime().toString() : "未设置");
+//
+// postMap.put("likeCount", post.getPostLikeNum());
+// postMap.put("collectCount", post.getPostCollectNum());
+//
+// postList.add(postMap);
+// }
+//
+// Map<String, Object> response = new HashMap<>();
+// // 统计帖子数量
+// response.put("total", postList.size());
+// response.put("posts", postList);
+//
+// return response;
+// }
+public Map<String, Object> getAllPosts() {
+ List<Post> posts = postRepository.findAll();
+ List<Map<String, Object>> postList = new ArrayList<>();
- // 获取帖子列表（已完成）
- public Map<String, Object> getAllPosts() {
- List<Post> posts = postRepository.findAll();
- List<Map<String, Object>> postList = new ArrayList<>();
+ for (Post post : posts) {
+ Map<String, Object> postMap = new LinkedHashMap<>();
+ postMap.put("postNo", post.getPostNo());
+ postMap.put("user_id", post.getUser_id());
+ postMap.put("postContent", post.getPostContent());
+ postMap.put("imgUrl", post.getImageUrl());
+ postMap.put("title", post.getTitle());
+ postMap.put("createdAt",
+ post.getPostTime() != null ? post.getPostTime().toString() : "未设置");
- for (Post post : posts) {
- Map<String, Object> postMap = new LinkedHashMap<>();
- postMap.put("postNo", post.getPostNo());
- postMap.put("user_id", post.getUser_id());
- postMap.put("postContent", post.getPostContent());
- postMap.put("imgUrl", post.getImageUrl());
- postMap.put("title", post.getTitle());
- postMap.put("createdAt", post.getPostTime().toString());
- postMap.put("likeCount", post.getPostLikeNum());
- postMap.put("collectCount", post.getPostCollectNum());
+ postMap.put("likeCount", post.getPostLikeNum());
+ postMap.put("collectCount", post.getPostCollectNum());
- postList.add(postMap);
+ // 查询用户信息
+ Optional<Users> userOptional = userRepository.findById(post.getUser_id());
+ if (userOptional.isPresent()) {
+ Users user = userOptional.get();
+ postMap.put("username", user.getUsername());
+ postMap.put("avatarUrl", user.getAvatarUrl());
+ } else {
+ postMap.put("username", "未知用户");
+ postMap.put("avatarUrl", null);
}
- Map<String, Object> response = new HashMap<>();
- // 统计帖子数量
- response.put("total", postList.size());
- response.put("posts", postList);
-
- return response;
+ postList.add(postMap);
}
+ Map<String, Object> response = new HashMap<>();
+ // 统计帖子数量
+ response.put("total", postList.size());
+ response.put("posts", postList);
+
+ return response;
+}
+
+
+ // 获取单个帖子 - 不需要 @Transactional（只读操作）
public Map<String, Object> getPostById(Long postId) {
- // 获取帖子
Optional<Post> postOptional = postRepository.findById(postId);
- // 如果帖子存在
if (postOptional.isPresent()) {
Post post = postOptional.get();
Map<String, Object> postData = new LinkedHashMap<>();
@@ -181,14 +223,14 @@
if (user != null) {
postData.put("username", user.getUsername());
- postData.put("avatar_url", user.getAvatarUrl());
+ postData.put("avatarUrl", user.getAvatarUrl()); // 改成 avatarUrl，保持驼峰
} else {
- postData.put("username", null);
- postData.put("avatar_url", null);
+ postData.put("username", "未知用户");
+ postData.put("avatarUrl", null);
}
postData.put("postContent", post.getPostContent());
- postData.put("imageUrl", post.getImageUrl());
+ postData.put("imgUrl", post.getImageUrl()); // 改成 imgUrl，和列表接口保持一致
postData.put("postTime", post.getPostTime());
postData.put("postLikeNum", post.getPostLikeNum());
postData.put("postCollectNum", post.getPostCollectNum());
@@ -201,7 +243,8 @@
}
- //收藏
+ // 收藏帖子 - 添加 @Transactional
+ @Transactional
public void collectPost(Long postId, Long userId) {
Post post = postRepository.findById(postId).orElseThrow(() -> new RuntimeException("Post not found"));
post.setPostCollectNum(post.getPostCollectNum() + 1);
@@ -214,7 +257,8 @@
collectionsRepository.save(collection);
}
- //取消收藏
+ // 取消收藏 - 添加 @Transactional
+ @Transactional
public void uncollectPost(Long postId, Long userId) {
Post post = postRepository.findById(postId).orElseThrow(() -> new RuntimeException("Post not found"));
// 减少帖子收藏数
@@ -226,8 +270,6 @@
// 从收藏表中删除对应记录
collectionsRepository.deleteLikeByUserIdAndPostNo(userId, postId);
}
-
-
// 获取用户收藏的所有帖子
public List<Map<String, Object>> getAllCollections(Long userId) {
// 获取用户收藏的帖子ID
@@ -266,6 +308,4 @@
}
return response;
}
-
-
-}
+}
\ No newline at end of file