diff --git a/src/main/java/org/ycloud/aipan/controller/FileController.java b/src/main/java/org/ycloud/aipan/controller/FileController.java
index 9932929..745bd6c 100644
--- a/src/main/java/org/ycloud/aipan/controller/FileController.java
+++ b/src/main/java/org/ycloud/aipan/controller/FileController.java
@@ -5,14 +5,11 @@ import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
-import org.ycloud.aipan.controller.req.FileBatchReq;
-import org.ycloud.aipan.controller.req.FileUpdateReq;
-import org.ycloud.aipan.controller.req.FileUploadReq;
+import org.ycloud.aipan.controller.req.*;
 import org.ycloud.aipan.dto.AccountFileDTO;
 import org.ycloud.aipan.dto.FolderTreeNodeDTO;
 import org.ycloud.aipan.interceptor.LoginInterceptor;
 import org.ycloud.aipan.service.AccountFileService;
-import org.ycloud.aipan.controller.req.FolderCreateReq;
 import org.ycloud.aipan.util.JsonData;
 
 import java.util.List;
@@ -94,4 +91,37 @@ public class FileController {
         accountFileService.moveBatch(req);
         return JsonData.buildSuccess();
     }
+
+    /**
+     * 文件批量删除
+     */
+    @PostMapping("del_batch")
+    public JsonData delBatch(@RequestBody FileDelReq req) {
+        req.setAccountId(LoginInterceptor.threadLocal.get().getId());
+        accountFileService.delBatch(req);
+        return JsonData.buildSuccess();
+    }
+
+
+    /**
+     * 文件复制接口
+     */
+    @PostMapping("copy_batch")
+    @Operation(summary = "文件批量复制", description = "文件批量复制")
+    public JsonData copyBatch(
+            @Parameter(description = "文件批量复制请求对象", required = true) @RequestBody FileBatchReq req) {
+        req.setAccountId(LoginInterceptor.threadLocal.get().getId());
+        accountFileService.copyBatch(req);
+        return JsonData.buildSuccess();
+    }
+
+    /**
+     * 文件秒传接口, true就是文件秒传成功，false失败，需要重新调用上传接口
+     */
+    @PostMapping("second_upload")
+    public JsonData secondUpload(@RequestBody FileSecondUploadReq req) {
+        req.setAccountId(LoginInterceptor.threadLocal.get().getId());
+        Boolean flag = accountFileService.secondUpload(req);
+        return JsonData.buildSuccess(flag);
+    }
 }
diff --git a/src/main/java/org/ycloud/aipan/controller/req/FileDelReq.java b/src/main/java/org/ycloud/aipan/controller/req/FileDelReq.java
new file mode 100644
index 0000000..677fd54
--- /dev/null
+++ b/src/main/java/org/ycloud/aipan/controller/req/FileDelReq.java
@@ -0,0 +1,13 @@
+package org.ycloud.aipan.controller.req;
+
+import lombok.Data;
+import java.util.List;
+
+
+@Data
+public class FileDelReq {
+    private List<Long> fileIds;
+
+    private Long accountId;
+
+}
\ No newline at end of file
diff --git a/src/main/java/org/ycloud/aipan/controller/req/FileSecondUploadReq.java b/src/main/java/org/ycloud/aipan/controller/req/FileSecondUploadReq.java
new file mode 100644
index 0000000..98857d9
--- /dev/null
+++ b/src/main/java/org/ycloud/aipan/controller/req/FileSecondUploadReq.java
@@ -0,0 +1,37 @@
+package org.ycloud.aipan.controller.req;
+
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+@Data
+@Accessors(chain = true)
+public class FileSecondUploadReq {
+
+    /**
+     * 文件名
+     */
+    private String filename;
+
+    /**
+     * 文件唯一标识（md5）
+     */
+    private String identifier;
+
+    /**
+     * 用户id
+     */
+    private Long accountId;
+
+    /**
+     * 父级目录id
+     */
+    private Long parentId;
+
+    /**
+     * 文件大小
+     */
+    //private Long fileSize;
+
+
+
+}
\ No newline at end of file
diff --git a/src/main/java/org/ycloud/aipan/mapper/AccountFileMapper.java b/src/main/java/org/ycloud/aipan/mapper/AccountFileMapper.java
index bf5f7a2..628a358 100644
--- a/src/main/java/org/ycloud/aipan/mapper/AccountFileMapper.java
+++ b/src/main/java/org/ycloud/aipan/mapper/AccountFileMapper.java
@@ -1,8 +1,11 @@
 package org.ycloud.aipan.mapper;
 
+import org.apache.ibatis.annotations.Param;
 import org.ycloud.aipan.model.AccountFileDO;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 
+import java.util.List;
+
 /**
  * <p>
  * 用户文件表 Mapper 接口
@@ -13,4 +16,5 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
  */
 public interface AccountFileMapper extends BaseMapper<AccountFileDO> {
 
+    void insertFileBatch(@Param("newAccountFileDOList") List<AccountFileDO> newAccountFileDOList);
 }
diff --git a/src/main/java/org/ycloud/aipan/service/AccountFileService.java b/src/main/java/org/ycloud/aipan/service/AccountFileService.java
index cae9033..7a039e8 100644
--- a/src/main/java/org/ycloud/aipan/service/AccountFileService.java
+++ b/src/main/java/org/ycloud/aipan/service/AccountFileService.java
@@ -1,10 +1,7 @@
 package org.ycloud.aipan.service;
 
 
-import org.ycloud.aipan.controller.req.FileBatchReq;
-import org.ycloud.aipan.controller.req.FileUpdateReq;
-import org.ycloud.aipan.controller.req.FileUploadReq;
-import org.ycloud.aipan.controller.req.FolderCreateReq;
+import org.ycloud.aipan.controller.req.*;
 import org.ycloud.aipan.dto.AccountFileDTO;
 import org.ycloud.aipan.dto.FolderTreeNodeDTO;
 
@@ -39,13 +36,40 @@ public interface AccountFileService {
 
     /**
      * 普通小文件上传
-     * @param req
      */
     void fileUpload(FileUploadReq req);
 
     /**
      * 批量移动目标文件夹
-     * @param req
      */
     void moveBatch(FileBatchReq req);
+
+    /**
+     * 文件的批量删除
+     * 步骤一：检查是否满足：1、文件ID数量是否合法，2、文件是否属于当前用户
+     * 步骤二：判断文件是否是文件夹，文件夹的话需要递归获取里面子文件ID，然后进行批量删除
+     * 步骤三：需要更新账号存储空间使用情况
+     * 步骤四：批量删除账号映射文件，考虑回收站如何设计
+     */
+    void delBatch(FileDelReq req);
+
+
+    /**
+     * 文件复制
+     * * 检查被转移的文件ID是否合法
+     * * 检查目标文件夹ID是否合法
+     * * 执行拷贝，递归查找【差异点，ID是全新的】
+     * * 计算存储空间大小，检查是否足够【差异点，空间需要检查】
+     * * 存储相关记录
+     */
+    void copyBatch(FileBatchReq req);
+
+
+    /**
+     * 文件秒传
+     * 1、检查文件是否存在
+     * 2、检查空间是否足够
+     * 3、建立关系
+     */
+    Boolean secondUpload(FileSecondUploadReq req);
 }
diff --git a/src/main/java/org/ycloud/aipan/service/impl/AccountFileServiceImpl.java b/src/main/java/org/ycloud/aipan/service/impl/AccountFileServiceImpl.java
index 1329c36..2dd6882 100644
--- a/src/main/java/org/ycloud/aipan/service/impl/AccountFileServiceImpl.java
+++ b/src/main/java/org/ycloud/aipan/service/impl/AccountFileServiceImpl.java
@@ -1,5 +1,6 @@
 package org.ycloud.aipan.service.impl;
 
+import cn.hutool.core.util.IdUtil;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
 import lombok.extern.slf4j.Slf4j;
@@ -9,10 +10,7 @@ import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.CollectionUtils;
 import org.ycloud.aipan.component.StoreEngine;
 import org.ycloud.aipan.config.MinioConfig;
-import org.ycloud.aipan.controller.req.FileBatchReq;
-import org.ycloud.aipan.controller.req.FileUpdateReq;
-import org.ycloud.aipan.controller.req.FileUploadReq;
-import org.ycloud.aipan.controller.req.FolderCreateReq;
+import org.ycloud.aipan.controller.req.*;
 import org.ycloud.aipan.dto.AccountFileDTO;
 import org.ycloud.aipan.dto.FolderTreeNodeDTO;
 import org.ycloud.aipan.enums.BizCodeEnum;
@@ -21,8 +19,10 @@ import org.ycloud.aipan.enums.FolderFlagEnum;
 import org.ycloud.aipan.exception.BizException;
 import org.ycloud.aipan.mapper.AccountFileMapper;
 import org.ycloud.aipan.mapper.FileMapper;
+import org.ycloud.aipan.mapper.StorageMapper;
 import org.ycloud.aipan.model.AccountFileDO;
 import org.ycloud.aipan.model.FileDO;
+import org.ycloud.aipan.model.StorageDO;
 import org.ycloud.aipan.service.AccountFileService;
 import org.ycloud.aipan.util.CommonUtil;
 import org.ycloud.aipan.util.SpringBeanUtil;
@@ -45,6 +45,8 @@ public class AccountFileServiceImpl implements AccountFileService {
     private AccountFileMapper accountFileMapper;
     @Autowired
     private FileMapper fileMapper;
+    @Autowired
+    private StorageMapper storageMapper;
 
     @Override
     public List<AccountFileDTO> listFile(Long accountId, Long parentId) {
@@ -261,6 +263,80 @@ public class AccountFileServiceImpl implements AccountFileService {
     }
 
 
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void delBatch(FileDelReq req) {
+        //步骤一：检查是否满足：1、文件ID数量是否合法，2、文件是否属于当前用户
+        List<AccountFileDO> accountFileDOList = checkFileIdLegal(req.getFileIds(), req.getAccountId());
+
+        //步骤二：判断文件是否是文件夹，文件夹的话需要递归获取里面子文件ID，然后进行批量删除
+        List<AccountFileDO> storeAccountFileDOList = new ArrayList<>();
+        findAllAccountFileDOWithRecur(storeAccountFileDOList, accountFileDOList, false);
+
+        //拿到全部文件ID列表
+        List<Long> allFileIdList = storeAccountFileDOList.stream().map(AccountFileDO::getId).collect(Collectors.toList());
+
+        //步骤三：需要更新账号存储空间使用情况 可以加个分布式锁，redission 作业，提示可以用account_id锁粒度
+        long allFileSize = storeAccountFileDOList.stream()
+                .filter(file -> file.getIsDir().equals(FolderFlagEnum.NO.getCode()))
+                .mapToLong(AccountFileDO::getFileSize).sum();
+        StorageDO storageDO = storageMapper.selectOne(new QueryWrapper<StorageDO>().eq("account_id", req.getAccountId()));
+        storageDO.setUsedSize(storageDO.getUsedSize() - allFileSize);
+        storageMapper.updateById(storageDO);
+
+        // 步骤四：批量删除账号映射文件，考虑回收站如何设计
+        accountFileMapper.deleteBatchIds(allFileIdList);
+
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void copyBatch(FileBatchReq req) {
+        //检查被转移的文件ID是否合法
+        List<AccountFileDO> accountFileDOList = checkFileIdLegal(req.getFileIds(), req.getAccountId());
+        //检查目标文件夹ID是否合法
+        checkTargetParentIdLegal(req);
+        //执行拷贝，递归查找【差异点，ID是全新的】
+        List<AccountFileDO> newAccountFileDOList = findBatchCopyFileWithRecur(accountFileDOList, req.getTargetParentId());
+        //计算存储空间大小，检查是否足够【差异点，空间需要检查】
+        long totalFileSize = newAccountFileDOList.stream().filter(file -> file.getIsDir().equals(FolderFlagEnum.NO.getCode()))
+                .mapToLong(AccountFileDO::getFileSize).sum();
+        if (!checkAndUpdateCapacity(req.getAccountId(), totalFileSize)) {
+            throw new BizException(BizCodeEnum.FILE_STORAGE_NOT_ENOUGH);
+        }
+        //存储
+        accountFileMapper.insertFileBatch(newAccountFileDOList);
+
+
+    }
+
+
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean secondUpload(FileSecondUploadReq req) {
+        //检查文件是否存在
+        FileDO fileDO = fileMapper.selectOne(new QueryWrapper<FileDO>().eq("identifier", req.getIdentifier()));
+        //检查空间是否足够
+        if (fileDO != null && checkAndUpdateCapacity(req.getAccountId(), fileDO.getFileSize())) {
+            //处理文件秒传
+            AccountFileDTO accountFileDTO = new AccountFileDTO();
+            accountFileDTO.setAccountId(req.getAccountId());
+            accountFileDTO.setFileId(fileDO.getId());
+            accountFileDTO.setParentId(req.getParentId());
+            accountFileDTO.setFileName(req.getFilename());
+            accountFileDTO.setFileSize(fileDO.getFileSize());
+            accountFileDTO.setDel(false);
+            accountFileDTO.setIsDir(FolderFlagEnum.NO.getCode());
+
+            //保存关联文件关系，里面有做相关检查
+            saveAccountFile(accountFileDTO);
+            return true;
+        }
+        return false;
+    }
+
+
     /**
      * 检查目标文件夹ID是否合法,包括子文件夹
      * 1、目标的文件ID不能是文件
@@ -414,8 +490,108 @@ public class AccountFileServiceImpl implements AccountFileService {
                 accountFileDO.setFileName(split[0] + "_" + System.currentTimeMillis() + "." + split[1]);
             }
         }
+    }
 
+    /**
+     * 递归查找
+     *
+     * @param allAccountFileDOList     容器存储查询到到全部文件或者文件夹
+     * @param prepareAccountFileDOList 待查询的文件和文件夹
+     * @param onlyFolder               控制是否只存储文件
+     */
+    public void findAllAccountFileDOWithRecur(List<AccountFileDO> allAccountFileDOList, List<AccountFileDO> prepareAccountFileDOList, boolean onlyFolder) {
 
+        for (AccountFileDO accountFileDO : prepareAccountFileDOList) {
+            if (Objects.equals(accountFileDO.getIsDir(), FolderFlagEnum.YES.getCode())) {
+                //递归查找
+                List<AccountFileDO> childAccountFileDOList = accountFileMapper.selectList(new QueryWrapper<AccountFileDO>()
+                        .eq("parent_id", accountFileDO.getId()));
+                findAllAccountFileDOWithRecur(allAccountFileDOList, childAccountFileDOList, onlyFolder);
+            }
+            //如果通过onlyFolder是true,只存储文件夹到allAccountFileDOList，否则都存储到allAccountFileDOList
+            if (!onlyFolder || Objects.equals(accountFileDO.getIsDir(), FolderFlagEnum.YES.getCode())) {
+                allAccountFileDOList.add(accountFileDO);
+            }
+        }
+    }
+
+    /**
+     * 包括递归处理，生成新的ID
+     *
+     * @param accountFileDOList
+     * @param targetParentId
+     * @return
+     */
+    public List<AccountFileDO> findBatchCopyFileWithRecur(List<AccountFileDO> accountFileDOList, Long targetParentId) {
+        List<AccountFileDO> newAccountFileDOList = new ArrayList<>();
+        accountFileDOList.forEach(accountFileDO -> doCopyChildRecord(newAccountFileDOList, accountFileDO, targetParentId));
+        return newAccountFileDOList;
+    }
+
+    /**
+     * 递归处理，包括子文件夹
+     *
+     * @param newAccountFileDOList
+     * @param accountFileDO
+     * @param targetParentId
+     */
+    private void doCopyChildRecord(List<AccountFileDO> newAccountFileDOList, AccountFileDO accountFileDO, Long targetParentId) {
+        //保存旧的ID，方便查找子文件夹
+        Long oldAccountFileId = accountFileDO.getId();
+        //创建新记录
+        accountFileDO.setId(IdUtil.getSnowflakeNextId());
+        accountFileDO.setParentId(targetParentId);
+        accountFileDO.setGmtModified(null);
+        accountFileDO.setGmtCreate(null);
+
+        //处理重复文件夹
+        processFileNameDuplicate(accountFileDO);
+
+        //纳入容器存储
+        newAccountFileDOList.add(accountFileDO);
+
+        //判断是文件还是文件夹，递归处理
+        if (Objects.equals(accountFileDO.getIsDir(), FolderFlagEnum.YES.getCode())) {
+            //继续获取子文件夹列表
+            List<AccountFileDO> childAccountFileDOList = findChildAccountFile(accountFileDO.getAccountId(), oldAccountFileId);
+            if (CollectionUtils.isEmpty(childAccountFileDOList)) {
+                return;
+            }
+            //递归处理
+            childAccountFileDOList
+                    .forEach(childAccountFileDO -> doCopyChildRecord(newAccountFileDOList, childAccountFileDO, accountFileDO.getId()));
+        }
     }
 
+    /**
+     * 查找文件记录，只查询下一级，不递归
+     *
+     * @param accountId
+     * @param parentId
+     * @return
+     */
+    private List<AccountFileDO> findChildAccountFile(Long accountId, Long parentId) {
+        return accountFileMapper.selectList(new QueryWrapper<AccountFileDO>()
+                .eq("account_id", accountId).eq("parent_id", parentId));
+    }
+
+
+    /**
+     * 检查存储空间和更新存储空间
+     *
+     * @param accountId
+     * @param fileSize
+     * @return
+     */
+    public boolean checkAndUpdateCapacity(Long accountId, Long fileSize) {
+        StorageDO storageDO = storageMapper.selectOne(new QueryWrapper<StorageDO>().eq("account_id", accountId));
+        Long totalSize = storageDO.getTotalSize();
+        if (storageDO.getUsedSize() + fileSize <= totalSize) {
+            storageDO.setUsedSize(storageDO.getUsedSize() + fileSize);
+            storageMapper.updateById(storageDO);
+            return true;
+        } else {
+            return false;
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/main/resources/mapper/AccountFileMapper.xml b/src/main/resources/mapper/AccountFileMapper.xml
index 45c0b1d..7008b29 100644
--- a/src/main/resources/mapper/AccountFileMapper.xml
+++ b/src/main/resources/mapper/AccountFileMapper.xml
@@ -23,5 +23,13 @@
     <sql id="Base_Column_List">
         id, account_id, is_dir, parent_id, file_id, file_name, file_type, file_suffix, file_size, del, del_time, gmt_modified, gmt_create
     </sql>
+    <insert id="insertFileBatch" parameterType="java.util.List">
+        INSERT INTO account_file (id,account_id, is_dir, parent_id, file_id, file_name, file_type, file_suffix, file_size, del, del_time)
+        VALUES
+        <foreach collection="newAccountFileDOList" item="item" separator=",">
+            (#{item.id},#{item.accountId}, #{item.isDir}, #{item.parentId}, #{item.fileId}, #{item.fileName}, #{item.fileType},
+            #{item.fileSuffix}, #{item.fileSize}, #{item.del}, #{item.delTime})
+        </foreach>
+    </insert>
 
 </mapper>