删除模块

src/main/java/com/wxjw/controller/openapi/DeleteFileController.java

@@ -0,0 +1,38 @@
+package com.wxjw.controller.openapi;
+
+import com.wxjw.common.BaseResponse;
+import com.wxjw.common.ResultUtil;
+import com.wxjw.dal.dao.ExcelInfoMapper;
+import com.wxjw.dal.pojo.ErrorCode;
+import com.wxjw.dal.pojo.data.DeleteFile.DeleteFileData;
+import com.wxjw.service.DeleteFileService;
+import jakarta.annotation.Resource;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * Controller 删除文件（仅需删除数据库）
+ *
+ * @author 筱锋xiao_lfeng
+ */
+@RestController
+@RequestMapping("/openapi/delete")
+public class DeleteFileController {
+
+    @Resource
+    private ExcelInfoMapper excelInfoMapper;
+
+    @PostMapping("/file")
+    public ResponseEntity<BaseResponse<Object>> deleteFile(@RequestBody DeleteFileData requestBody) {
+        if ("deletefile".equals(requestBody.getAction())) {
+            DeleteFileService deleteFileService = new DeleteFileService(excelInfoMapper);
+            deleteFileService.deleteFile(requestBody);
+            return deleteFileService.getReturnResult();
+        } else {
+            return ResultUtil.error(ErrorCode.PARAMETER_ERROR);
+        }
+    }
+}

src/main/java/com/wxjw/dal/dao/ExcelInfoMapper.java

@@ -1,6 +1,7 @@
 package com.wxjw.dal.dao;
 
 import com.wxjw.dal.pojo.entity.ExcelInfoEntity;
+import org.apache.ibatis.annotations.Delete;
 import org.apache.ibatis.annotations.Insert;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Select;
@@ -43,6 +44,13 @@ public interface ExcelInfoMapper {
     @Select("SELECT * FROM excel_file_handling.excel_info WHERE id = #{id}")
     ExcelInfoEntity getExcelForId(int id);
 
+    /**
+     * @param id 序号
+     * @return 是否删除成功
+     */
+    @Delete("DELETE FROM excel_file_handling.excel_info WHERE id = #{id}")
+    boolean deleteExcelForId(int id);
+
     /**
      * @param excelInfoEntity excel
      * @return 是否插入成功

src/main/java/com/wxjw/dal/pojo/ErrorCode.java

@@ -15,6 +15,7 @@ public enum ErrorCode {
     PARAMETER_ERROR("ParameterError", 40011, "参数错误", HttpCode.BAD_REQUEST),
     DATA_DUPLICATION("DataDuplication", 40012, "数据重复", HttpCode.BAD_REQUEST),
     DATA_WRITE_FAILURE("DataWriteFailure", 40013, "数据写入失败", HttpCode.BAD_REQUEST),
+    DATA_DELETE_FAILURE("DataDeleteFailure", 40014, "数据删除失败", HttpCode.BAD_REQUEST),
     FILE_TYPE_IS_INCORRECT("FileTypeIncorrect", 40014, "文件类型错误", HttpCode.BAD_REQUEST),
     FILE_CREATION_FAILED("FileCreationFailed", 40015, "文件创建失败", HttpCode.BAD_REQUEST),
     FILE_ALREADY_EXISTS("FileAlreadyExists", 40016, "文件已经存在", HttpCode.BAD_REQUEST),

src/main/java/com/wxjw/dal/pojo/data/DeleteFile/DeleteFileData.java

@@ -0,0 +1,14 @@
+package com.wxjw.dal.pojo.data.DeleteFile;
+
+import lombok.Getter;
+
+/**
+ * Data 删除文件
+ *
+ * @author 筱锋xiao_lfeng
+ */
+@Getter
+public class DeleteFileData {
+    private String action;
+    private int nodeId;
+}

src/main/java/com/wxjw/service/DeleteFileService.java

@@ -0,0 +1,43 @@
+package com.wxjw.service;
+
+import com.wxjw.common.BaseResponse;
+import com.wxjw.common.ResultUtil;
+import com.wxjw.dal.dao.ExcelInfoMapper;
+import com.wxjw.dal.pojo.ErrorCode;
+import com.wxjw.dal.pojo.data.DeleteFile.DeleteFileData;
+import com.wxjw.dal.pojo.entity.ExcelInfoEntity;
+import lombok.Getter;
+import org.jetbrains.annotations.NotNull;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+
+/**
+ * Service 删除文件控制器（不删除文件，删除数据库记录）
+ *
+ * @author 筱锋xiao_lfeng
+ */
+@Service
+public class DeleteFileService {
+    private final ExcelInfoMapper excelInfoMapper;
+    @Getter
+    private ResponseEntity<BaseResponse<Object>> returnResult;
+
+    public DeleteFileService(ExcelInfoMapper excelInfoMapper) {
+        this.excelInfoMapper = excelInfoMapper;
+    }
+
+    public void deleteFile(@NotNull DeleteFileData requestBody) {
+        // 检查数据是否存在
+        ExcelInfoEntity excelInfo = excelInfoMapper.getExcelForId(requestBody.getNodeId());
+        if (excelInfo != null && excelInfo.getId() != null) {
+            // 查找到数据执行删除
+            if (excelInfoMapper.deleteExcelForId(excelInfo.getId())) {
+                returnResult = ResultUtil.success("删除成功");
+            } else {
+                returnResult = ResultUtil.error(ErrorCode.DATA_DELETE_FAILURE);
+            }
+        } else {
+            returnResult = ResultUtil.error(ErrorCode.DATA_IS_EMPTY);
+        }
+    }
+}