修改数据库表，添加post接口，优化工具类

珞珈岛-项目相关文件/luojia-island/common/src/main/java/com/luojia_channel/common/config/MybatisConfig.java

@@ -1,5 +1,6 @@
 package com.luojia_channel.common.config;
 
+import com.baomidou.mybatisplus.annotation.DbType;
 import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
 import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
 import org.springframework.context.annotation.Bean;
@@ -10,12 +11,7 @@ public class MybatisConfig {
     @Bean
     public MybatisPlusInterceptor mybatisPlusInterceptor() {
         MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
-        PaginationInnerInterceptor paginationInterceptor = new PaginationInnerInterceptor();
+        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
-        // 设置单页最大限制（如不限制可设为 -1）
-        paginationInterceptor.setMaxLimit(1000L);
-        // 设置是否溢出总页数（true：自动调整页码，false：抛出异常）
-        paginationInterceptor.setOverflow(true);
-        interceptor.addInnerInterceptor(paginationInterceptor);
         return interceptor;
     }
 }

珞珈岛-项目相关文件/luojia-island/common/src/main/java/com/luojia_channel/common/constants/RedisConstant.java

@@ -5,4 +5,6 @@ public class RedisConstant {
     public static final String REFRESH_TOKEN_PREFIX = "refresh_token:";
     // redis存储的黑名单前缀
     public static final String BLACKLIST_PREFIX = "blacklist:";
+    // 重建缓存分布式锁前缀
+    public static final String SAFE_GET_LOCK_KEY_PREFIX = "safe_get_lock_key_prefix:";
 }

珞珈岛-项目相关文件/luojia-island/common/src/main/java/com/luojia_channel/common/domain/page/PageRequest.java

@@ -0,0 +1,9 @@
+package com.luojia_channel.common.domain.page;
+
+import lombok.Data;
+
+@Data
+public class PageRequest {
+    private Long current = 1L;
+    private Long size = 10L;
+}

珞珈岛-项目相关文件/luojia-island/common/src/main/java/com/luojia_channel/common/domain/page/PageResponse.java

@@ -0,0 +1,20 @@
+package com.luojia_channel.common.domain.page;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.Collections;
+import java.util.List;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class PageResponse<T> {
+    private Long current;
+    private Long size = 10L;
+    private Long total;
+    private List<T> records = Collections.emptyList();
+}

珞珈岛-项目相关文件/luojia-island/common/src/main/java/com/luojia_channel/common/dto/CreatePostDTO.java

@@ -0,0 +1,12 @@
+package com.luojia_channel.common.dto;
+
+import lombok.Data;
+
+@Data
+public class CreatePostDTO {
+    private String title;
+    private String content;
+    private Long userId;
+    private Long categoryId;
+}
+

珞珈岛-项目相关文件/luojia-island/common/src/main/java/com/luojia_channel/common/utils/PageUtil.java

@@ -0,0 +1,41 @@
+package com.luojia_channel.common.utils;
+
+import cn.hutool.core.bean.BeanUtil;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.luojia_channel.common.domain.page.PageRequest;
+import com.luojia_channel.common.domain.page.PageResponse;
+
+import java.util.List;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+public class PageUtil {
+    public static <R,T> PageResponse<R> convert(IPage<T> page, Function<? super T,? extends R> mapper) {
+        List<R> targetList = page.getRecords().stream()
+                .map(mapper)
+                .collect(Collectors.toList());
+        return PageResponse.<R>builder()
+                .current(page.getCurrent())
+                .size(page.getSize())
+                .records(targetList)
+                .total(page.getTotal())
+                .build();
+    }
+
+    public static <R,T> PageResponse<R> convert(IPage<T> page, Class<R> clazz) {
+        List<R> targetList = page.getRecords().stream()
+                .map(each -> BeanUtil.copyProperties(each, clazz))
+                .collect(Collectors.toList());
+        return PageResponse.<R>builder()
+                .current(page.getCurrent())
+                .size(page.getSize())
+                .records(targetList)
+                .total(page.getTotal())
+                .build();
+    }
+
+    public static Page convert(PageRequest request){
+        return new Page(request.getCurrent(), request.getSize());
+    }
+}

珞珈岛-项目相关文件/luojia-island/common/src/main/java/com/luojia_channel/common/utils/RedisUtil.java

@@ -3,6 +3,8 @@ package com.luojia_channel.common.utils;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.RequiredArgsConstructor;
+import org.redisson.api.RLock;
+import org.redisson.api.RedissonClient;
 import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.data.redis.core.ZSetOperations;
 import org.springframework.stereotype.Component;
@@ -11,16 +13,26 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
+import java.util.function.Supplier;
 import java.util.stream.Collectors;
 
+import static com.luojia_channel.common.constants.RedisConstant.SAFE_GET_LOCK_KEY_PREFIX;
+
 @Component
 @RequiredArgsConstructor
 public class RedisUtil {
 
     private final RedisTemplate<String, Object> redisTemplate;
+    private final RedissonClient redissonClient;
     private static final Long DEFAULT_TIMEOUT = 30000L;
     private static final TimeUnit DEFAULT_TIME_UNIT = TimeUnit.MILLISECONDS;
 
+
+    // 获取redisTemplate,因为复杂的redis操作不便于封装
+    public RedisTemplate<String, Object> getInstance(){
+        return redisTemplate;
+    }
+
     /**
      * redis基础操作
      */
@@ -30,12 +42,35 @@ public class RedisUtil {
         return value != null ? type.cast(value) : null;
     }
 
+    public <T> T safeGet(String key, Class<T> type, Supplier<T> cacheLoader, long timeout, TimeUnit timeUnit) {
+        T result = get(key, type);
+        if(result != null){
+            return result;
+        }
+        // 重建缓存
+        RLock lock = redissonClient.getLock(SAFE_GET_LOCK_KEY_PREFIX + key);
+        lock.lock();
+        try{
+            if(get(key, type) == null){
+                T dbResult = cacheLoader.get();
+                if(dbResult == null){
+                    return null;
+                }
+                set(key, dbResult, timeout, timeUnit);
+                return dbResult;
+            }
+        }finally {
+            lock.unlock();
+        }
+        return get(key, type);
+    }
+
     public void set(String key, Object value) {
         redisTemplate.opsForValue().set(key, value, DEFAULT_TIMEOUT, DEFAULT_TIME_UNIT);
     }
 
-    public void set(String key, Object value, long timeout, TimeUnit unit) {
+    public void set(String key, Object value, long timeout, TimeUnit timeUnit) {
-        redisTemplate.opsForValue().set(key, value, timeout, unit);
+        redisTemplate.opsForValue().set(key, value, timeout, timeUnit);
     }
 
     public void expire(String key, long time, TimeUnit timeUnit) {

珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/file/service/FileService.java

@@ -9,7 +9,7 @@ import com.luojia_channel.modules.file.entity.LjFile;
 public interface FileService extends IService<LjFile> {
     Boolean createBucket(String name);
     Boolean deleteBucket(String name);
-    Long uploadFile(UploadFileDTO uploadFileDTO);
+    Long uploadFileAndGetFileId(UploadFileDTO uploadFileDTO);
     Boolean uploadChunk(UploadChunkDTO chunkDTO);
     Long completeUpload(CompleteUploadDTO completeDTO);
 }

珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/file/service/impl/FileServiceImpl.java

@@ -70,7 +70,7 @@ public class FileServiceImpl extends ServiceImpl<LjFileMapper, LjFile> implement
     // 普通上传
     @Override
     @Transactional(rollbackFor = Exception.class)
-    public Long uploadFile(UploadFileDTO fileDTO) {
+    public Long uploadFileAndGetFileId(UploadFileDTO fileDTO) {
         validateFileUtil.validateFile(fileDTO);
         Long fileId = validateFileUtil.getExistedFileId(fileDTO.getFileMd5());
         if(fileId != null){

珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/post/controller/PostController.java

@@ -0,0 +1,72 @@
+package com.luojia_channel.modules.post.controller;
+
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+
+import com.luojia_channel.common.domain.Result;
+import com.luojia_channel.common.domain.page.PageResponse;
+import com.luojia_channel.modules.file.dto.UploadFileDTO;
+import com.luojia_channel.modules.post.dto.req.PostCreateDTO;
+import com.luojia_channel.modules.post.dto.req.PostPageQueryDTO;
+import com.luojia_channel.modules.post.dto.req.PostUpdateDTO;
+import com.luojia_channel.modules.post.dto.resp.PostBasicInfoDTO;
+import com.luojia_channel.modules.post.entity.Post;
+import com.luojia_channel.modules.post.service.PostService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/post")
+public class PostController {
+
+    private final PostService postService;
+
+    // 创建帖子
+    @PostMapping
+    public Result<Void> createPost(@RequestBody PostCreateDTO postCreateDTO) {
+        postService.createPost(postCreateDTO);
+        return Result.success();
+    }
+
+    // 设置帖子封面
+    @PostMapping("/cover")
+    public Result<Void> setCover(@RequestParam("file") MultipartFile file,
+                                 @RequestParam("fileType") String fileType,
+                                 @RequestParam("fileMd5") String fileMd5){
+        UploadFileDTO fileDTO = UploadFileDTO.builder()
+                .file(file).fileType(fileType).fileMd5(fileMd5)
+                .build();
+        postService.setCover(fileDTO);
+        return Result.success();
+    }
+
+    // 更新帖子
+    @PutMapping()
+    public Result<Void> updatePost(@RequestBody PostUpdateDTO postUpdateDTO) {
+        postService.updatePost(postUpdateDTO);
+        return Result.success();
+    }
+
+    // 删除帖子
+    @DeleteMapping("/{id}")
+    public Result<Void> deletePost(@PathVariable Long id) {
+        postService.deletePost(id);
+        return Result.success();
+    }
+
+    // 根据ID获取帖子详情
+    @GetMapping("/{id}")
+    public Post getPostById(@PathVariable Long id) {
+        return postService.getById(id);
+    }
+
+    // 分页查询帖子
+    @GetMapping
+    public Result<PageResponse<PostBasicInfoDTO>> pagePost(PostPageQueryDTO postPageQueryDTO) {
+        return Result.success(postService.pagePost(postPageQueryDTO));
+    }
+}

珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/post/dto/req/PostCreateDTO.java

@@ -0,0 +1,11 @@
+package com.luojia_channel.modules.post.dto.req;
+
+import lombok.Data;
+
+@Data
+public class PostCreateDTO {
+    private String title;
+    private String content;
+    private Long userId;
+    private Long categoryId;
+}

珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/post/dto/req/PostPageQueryDTO.java

@@ -0,0 +1,9 @@
+package com.luojia_channel.modules.post.dto.req;
+
+import com.luojia_channel.common.domain.page.PageRequest;
+import lombok.Data;
+
+@Data
+public class PostPageQueryDTO extends PageRequest {
+
+}

珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/post/dto/req/PostUpdateDTO.java

@@ -0,0 +1,10 @@
+package com.luojia_channel.modules.post.dto.req;
+
+import lombok.Data;
+
+@Data
+public class PostUpdateDTO {
+    private String title;
+    private String content;
+    private Long categoryId;
+}

珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/post/dto/resp/PostBasicInfoDTO.java

@@ -0,0 +1,13 @@
+package com.luojia_channel.modules.post.dto.resp;
+
+import lombok.Data;
+
+@Data
+public class PostBasicInfoDTO {
+    private Long id;
+    private String coverUrl;
+    private String title;
+    private Integer likeCount;
+    private Integer commentCount;
+    private Integer favoriteCount;
+}

珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/post/entity/Post.java

@@ -0,0 +1,30 @@
+package com.luojia_channel.modules.post.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+@TableName("post")
+public class Post {
+    @TableId(type = IdType.AUTO)
+    private Long id;
+    private String title;
+    private Long coverId;
+    private String content;
+    private Integer likeCount;
+    private Integer commentCount;
+    private Integer favoriteCount;
+    private Integer viewCount;
+    private Long userId;
+    private Long categoryId;
+    private String createTime;
+    private String updateTime;
+}

珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/post/mapper/PostMapper.java

@@ -0,0 +1,10 @@
+package com.luojia_channel.modules.post.mapper;
+
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.luojia_channel.modules.post.entity.Post;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface PostMapper extends BaseMapper<Post> {
+}

珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/post/service/PostService.java

@@ -0,0 +1,7 @@
+package com.luojia_channel.modules.post.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.luojia_channel.modules.post.entity.Post;
+
+public interface PostService extends IService<Post> {
+}

珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/post/service/impl/PostServiceImpl.java

@@ -0,0 +1,25 @@
+package com.luojia_channel.modules.post.service.impl;
+
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.luojia_channel.modules.file.mapper.LjFileMapper;
+import com.luojia_channel.modules.post.entity.Post;
+import com.luojia_channel.modules.post.mapper.PostMapper;
+import com.luojia_channel.modules.post.service.PostService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class PostServiceImpl extends ServiceImpl<PostMapper, Post> implements PostService {
+
+    private final PostMapper postMapper;
+    private final LjFileMapper fileMapper;
+    private String getUrlById(String id){
+        return fileMapper.selectById(id).getFileUrl();
+    }
+
+
+}

珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/post/utils/ValidatePostUtil.java

@@ -0,0 +1,4 @@
+package com.luojia_channel.modules.post.utils;
+
+public class ValidatePostUtil {
+}

珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/user/service/impl/UserInfoServiceImpl.java

@@ -16,9 +16,7 @@ import com.luojia_channel.modules.user.service.UserInfoService;
 import com.luojia_channel.modules.user.utils.ValidateUserUtil;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
-import org.springframework.util.DigestUtils;
 
-import java.io.InputStream;
 import java.time.LocalDateTime;
 
 @Service
@@ -27,7 +25,7 @@ public class UserInfoServiceImpl extends ServiceImpl<UserMapper, User> implement
 
     private final UserMapper userMapper;
     private final ValidateUserUtil validateUserUtil;
-    private final FileServiceImpl minioService;
+    private final FileServiceImpl fileService;
     private final GeneratePathUtil generatePathUtil;
     private final ValidateFileUtil validateFileUtil;
 
@@ -74,22 +72,18 @@ public class UserInfoServiceImpl extends ServiceImpl<UserMapper, User> implement
         validateFileUtil.validateFile(uploadFileDTO);
         try {
 
-            // TODO 下述工作应该是前端干的----------
+            /* 下述工作应该是前端干的
-            /*
             InputStream inputStream = uploadFileDTO.getFile().getInputStream();
             String fileMd5 = DigestUtils.md5DigestAsHex(inputStream);
             String fileType = "image";
             uploadFileDTO.setFileType(fileType);
             uploadFileDTO.setFileMd5(fileMd5);
-
-            // TODO ending---------
              */
 
-            minioService.uploadFile(uploadFileDTO);
+            fileService.uploadFileAndGetFileId(uploadFileDTO);
             String filePath = generatePathUtil
                     .getObjectName(uploadFileDTO.getFile().getOriginalFilename(),
                             uploadFileDTO.getFileMd5());
-            // 直接设置成url，省去一次读数据库操作
             user.setAvatar(filePath);
             updateById(user);
         } catch (Exception e) {

珞珈岛-项目相关文件/luojia-island/service/src/main/resources/application-local.yaml

@@ -1,19 +1,36 @@
 # 本地开发环境
+# lj:
+#   db:
+#     host: localhost
+#     password: 123456
+#   redis:
+#     host: localhost
+#     port: 6379
+#     password: 123456
+#   rabbitmq:
+#     host: localhost
+#     port: 15672
+#     username: root
+#     password: 123456
+#   minio:
+#     endpoint: http://localhost:9000
+#     accessKey: minioadmin
+#     secretKey: minioadmin
+
 lj:
   db:
-    host: localhost
+    host: 192.168.59.129
-    password: 123456
+    password: Forely123!
   redis:
-    host: localhost
+    host: 192.168.59.129
     port: 6379
-    password: 123456
+    password: Forely123!
   rabbitmq:
-    host: localhost
+    host: 192.168.59.129
-    port: 15672
+    port: 5672
-    username: root
+    username: admin
-    password: 123456
+    password: Forely123!
   minio:
-    endpoint: http://localhost:9000
+    endpoint: http://192.168.59.129:9000
-    accessKey: minioadmin
+    accessKey: forely
-    secretKey: minioadmin
+    secretKey: Forely123!
-

珞珈岛-项目相关文件/luojia-island/service/src/main/resources/db/luojia_channel.sql

@@ -23,6 +23,16 @@ CREATE TABLE `user` (
                         UNIQUE INDEX `uk_student_id` (`student_id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='用户表';
 
+## 分类表
+DROP TABLE IF EXISTS `category`;
+CREATE TABLE `category` (
+                            `id` BIGINT PRIMARY KEY AUTO_INCREMENT COMMENT '主键ID',
+                            `name` VARCHAR(50) NOT NULL UNIQUE COMMENT '分类名称',
+                            `description` VARCHAR(255) COMMENT '分类描述',
+                            `create_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+                            `update_time` DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间'
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='分类表';
+
 ## 文件表
 DROP TABLE IF EXISTS `lj_file`;
 CREATE TABLE `lj_file` (
@@ -35,7 +45,10 @@ CREATE TABLE `lj_file` (
                            `file_status` INT NOT NULL DEFAULT 0 COMMENT '文件状态（0:正在上传, 1:上传成功, 2:失败或删除, 3:审核中）',
                            `user_id` BIGINT NOT NULL COMMENT '上传用户ID',
                            `create_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
-                           `update_time` DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间'
+                           `update_time` DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+                           INDEX idx_user_id (user_id),
+                           INDEX idx_file_status (file_status),
+                           INDEX idx_file_md5 (file_md5)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='文件存储表';
 
 ## 图文帖子表
@@ -48,23 +61,16 @@ CREATE TABLE `post` (
                         `like_count` INT DEFAULT 0 COMMENT '点赞数',
                         `comment_count` INT DEFAULT 0 COMMENT '评论数',
                         `favorite_count` INT DEFAULT 0 COMMENT '收藏数',
+                        `view_count` INT DEFAULT 0 COMMENT '浏览数',
                         `user_id` BIGINT NOT NULL COMMENT '发布用户ID',
+                        `category_id` BIGINT NOT NULL COMMENT '分类ID',
                         `create_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
                         `update_time` DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
-                        FOREIGN KEY (`user_id`) REFERENCES `user`(`id`),
+                        INDEX idx_user_id (user_id),
-                        FOREIGN KEY (`cover_id`) REFERENCES `lj_file`(`id`)
+                        INDEX idx_category_id (category_id),
+                        INDEX idx_create_time (create_time)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='图文帖子表';
 
-## 帖子图片关联表
-DROP TABLE IF EXISTS `post_image`;
-CREATE TABLE `post_image` (
-                             `id` BIGINT PRIMARY KEY AUTO_INCREMENT COMMENT '主键ID',
-                             `post_id` BIGINT NOT NULL COMMENT '图文帖子ID',
-                             `file_id` BIGINT NOT NULL COMMENT '图片文件ID',
-                             FOREIGN KEY (`post_id`) REFERENCES `post`(`id`),
-                             FOREIGN KEY (`file_id`) REFERENCES `lj_file`(`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='图文帖子与图片关联表';
-
 ## 视频表
 DROP TABLE IF EXISTS `video`;
 CREATE TABLE `video` (
@@ -76,15 +82,17 @@ CREATE TABLE `video` (
                          `like_count` INT DEFAULT 0 COMMENT '点赞数',
                          `comment_count` INT DEFAULT 0 COMMENT '评论数',
                          `favorite_count` INT DEFAULT 0 COMMENT '收藏数',
+                         `view_count` INT DEFAULT 0 COMMENT '浏览数',
                          `user_id` BIGINT NOT NULL COMMENT '发布用户ID',
                          `duration` INT NOT NULL COMMENT '视频时长（秒）',
-                         `category` VARCHAR(50) NOT NULL COMMENT '分类（如“音乐”、“游戏”）',
+                         `category_id` BIGINT NOT NULL COMMENT '分类ID',
                          `tags` VARCHAR(255) COMMENT '标签（逗号分隔）',
                          `create_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
                          `update_time` DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
-                         FOREIGN KEY (`user_id`) REFERENCES `user`(`id`),
+                         INDEX idx_user_id (user_id),
-                         FOREIGN KEY (`cover_id`) REFERENCES `lj_file`(`id`),
+                         INDEX idx_category_id (category_id),
-                         FOREIGN KEY (`video_file_id`) REFERENCES `lj_file`(`id`)
+                         INDEX idx_duration (duration),
+                         INDEX idx_create_time (create_time)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='视频表';
 
 ## 评论表
@@ -99,7 +107,46 @@ CREATE TABLE `comment` (
                            `top_id` BIGINT COMMENT '顶层评论ID',
                            `create_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
                            `update_time` DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
-                           FOREIGN KEY (`user_id`) REFERENCES `user`(`id`)
+                           INDEX idx_post_id (post_id),
+                           INDEX idx_user_id (user_id),
+                           INDEX idx_create_time (create_time)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='评论表';
 
+## 点赞记录表
+DROP TABLE IF EXISTS `like_record`;
+CREATE TABLE `like_record` (
+                               `id` BIGINT PRIMARY KEY AUTO_INCREMENT COMMENT '主键ID',
+                               `user_id` BIGINT NOT NULL COMMENT '用户ID',
+                               `post_type` VARCHAR(20) NOT NULL COMMENT '帖子类型（post/video）',
+                               `post_id` BIGINT NOT NULL COMMENT '关联的帖子ID',
+                               `create_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+                               INDEX idx_user_id (user_id),
+                               INDEX idx_post_type (post_type),
+                               INDEX idx_post_id (post_id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='点赞记录表';
+
+## 收藏记录表
+DROP TABLE IF EXISTS `favorite_record`;
+CREATE TABLE `favorite_record` (
+                                   `id` BIGINT PRIMARY KEY AUTO_INCREMENT COMMENT '主键ID',
+                                   `user_id` BIGINT NOT NULL COMMENT '用户ID',
+                                   `post_type` VARCHAR(20) NOT NULL COMMENT '帖子类型（post/video）',
+                                   `post_id` BIGINT NOT NULL COMMENT '关联的帖子ID',
+                                   `create_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+                                   INDEX idx_user_id (user_id),
+                                   INDEX idx_post_type (post_type),
+                                   INDEX idx_post_id (post_id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='收藏记录表';
 
+## 浏览记录表
+DROP TABLE IF EXISTS `view_record`;
+CREATE TABLE `view_record` (
+                               `id` BIGINT PRIMARY KEY AUTO_INCREMENT COMMENT '主键ID',
+                               `user_id` BIGINT NOT NULL COMMENT '用户ID',
+                               `post_type` VARCHAR(20) NOT NULL COMMENT '帖子类型（post/video）',
+                               `post_id` BIGINT NOT NULL COMMENT '关联的帖子ID',
+                               `create_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+                               INDEX idx_user_id (user_id),
+                               INDEX idx_post_type (post_type),
+                               INDEX idx_post_id (post_id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='浏览记录表';