diff options
| author | zhanghongqing <[email protected]> | 2022-08-09 16:54:16 +0800 |
|---|---|---|
| committer | zhanghongqing <[email protected]> | 2022-08-09 16:54:16 +0800 |
| commit | b3fa11d4b1b5a68d7b04fde5eb6cfbda557927eb (patch) | |
| tree | a49d344e49fc427fbf4cf00aa4963c4d04cd98a4 /src/main/java/com/mesasoft/cn/dao/DownloadedDAO.java | |
| parent | d8a2be0d094ac9ba2d47c81ebf03b3fe6e34a078 (diff) | |
Diffstat (limited to 'src/main/java/com/mesasoft/cn/dao/DownloadedDAO.java')
| -rw-r--r-- | src/main/java/com/mesasoft/cn/dao/DownloadedDAO.java | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/main/java/com/mesasoft/cn/dao/DownloadedDAO.java b/src/main/java/com/mesasoft/cn/dao/DownloadedDAO.java new file mode 100644 index 0000000..263945c --- /dev/null +++ b/src/main/java/com/mesasoft/cn/dao/DownloadedDAO.java @@ -0,0 +1,53 @@ +package com.mesasoft.cn.dao; + +import com.mesasoft.cn.dao.sqlprovider.DownloadedSqlProvider; +import com.mesasoft.cn.model.DownloadRecord; +import org.apache.ibatis.annotations.Delete; +import org.apache.ibatis.annotations.Insert; +import org.apache.ibatis.annotations.Param; +import org.apache.ibatis.annotations.SelectProvider; +import org.springframework.stereotype.Repository; + +import java.util.List; + +/** + * @author pantao + * @since 2018/1/18 + */ +@Repository +public interface DownloadedDAO { + + /** + * 新增一条下载记录 + * + * @param userId 用户编号 + * @param fileId 文件编号 + */ + @Insert("insert into download(user_id,file_id) values(#{userId},#{fileId})") + void insertDownload(@Param("userId") int userId, @Param("fileId") long fileId); + + /** + * 查询下载记录 + * + * @param userId 用户编号,不使用用户编号作为条件时设置值小于等于0即可 + * @param fileId 文件编号,不使用文件编号作为条件时设置值小于等于0即可 + * @param categoryId 分类编号,不用分类编号作为条件时设置值小于等于0即可 + * @param fileName 文件名,不使用文件名作为条件时设置值为空即可 + * @param offset 偏移 + * + * @return 下载记录 + */ + @SelectProvider(type = DownloadedSqlProvider.class, method = "getDownloadBy") + List<DownloadRecord> listDownloadedBy(@Param("userId") int userId, @Param("fileId") long fileId, @Param + ("fileName") String fileName, @Param("categoryId") int categoryId, @Param("offset") int offset); + + /** + * 删除文件 + * + * @param fileId 文件编号 + * + * @return 是否删除成功 + */ + @Delete("delete from download where file_id=#{fileId}") + boolean removeByFileId(long fileId); +} |
