完成文件树的搭建与数据库的搭建，以及基本构造

pom.xml

@@ -21,6 +21,20 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.mybatis.spring.boot</groupId>
+            <artifactId>mybatis-spring-boot-starter</artifactId>
+            <version>3.0.2</version>
+        </dependency>
+        <dependency>
+            <groupId>com.mysql</groupId>
+            <artifactId>mysql-connector-j</artifactId>
+            <scope>runtime</scope>
+        </dependency>
 
         <dependency>
             <groupId>org.projectlombok</groupId>
@@ -28,10 +42,15 @@
             <optional>true</optional>
         </dependency>
         <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-test</artifactId>
-            <scope>test</scope>
+            <groupId>org.jetbrains</groupId>
+            <artifactId>annotations</artifactId>
+            <version>23.0.0</version>
+            <scope>compile</scope>
         </dependency>
+        <!--<dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+        </dependency>-->
     </dependencies>
 
     <build>

src/main/java/com/wxjw/common/Result.java

@@ -0,0 +1,18 @@
+package com.wxjw.common;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * @author 筱锋xiao_lfeng
+ */
+@Data
+@AllArgsConstructor
+public class Result<T> {
+    private int code;
+    private T data;
+    private String msg;
+
+    public Result() {
+    }
+}

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

@@ -0,0 +1,37 @@
+package com.wxjw.controller.openapi;
+
+import com.wxjw.common.Result;
+import com.wxjw.dal.dao.ExcelInfoMapper;
+import com.wxjw.service.GetFileTreeService;
+import jakarta.annotation.Resource;
+import org.jetbrains.annotations.NotNull;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+
+/**
+ * Controller 获取文件树
+ *
+ * @author 筱锋xiao_lfeng
+ */
+
+@RestController
+@RequestMapping("/openapi/")
+public class GetFileTreeController {
+    @Resource
+    ExcelInfoMapper excelInfoMapper;
+
+    @PostMapping("/files/tree")
+    public ResponseEntity<Result<Object>> getFileTree(@RequestBody @NotNull HashMap<String, String> resultBody) {
+        String getResult = resultBody.get("action");
+        if ("getfiletree".equals(getResult)) {
+            return ResponseEntity.ok()
+                    .body(new GetFileTreeService().getFileTreeService(excelInfoMapper));
+        } else {
+            return ResponseEntity.badRequest()
+                    .body(new Result<>(403, null, "参数错误"));
+        }
+    }
+}

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

@@ -0,0 +1,48 @@
+package com.wxjw.dal.dao;
+
+import com.wxjw.dal.pojo.entity.ExcelInfoEntity;
+import org.apache.ibatis.annotations.Insert;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Select;
+import org.springframework.context.annotation.ComponentScan;
+
+import java.util.List;
+
+/**
+ * Mapper 数据库相关 接口
+ *
+ * @author 筱锋xiao_lfeng
+ */
+@Mapper
+@ComponentScan
+public interface ExcelInfoMapper {
+
+    /**
+     * @return 返回全部的数据（不加以修饰）
+     */
+    @Select("SELECT * FROM excel_file_handling.excel_info")
+    List<ExcelInfoEntity> getAllExcelInfos();
+
+    /**
+     * @return 返回全部的文件名称（去重）
+     */
+    @Select("SELECT t1.* FROM excel_file_handling.excel_info t1 LEFT JOIN excel_file_handling.excel_info t2 ON t1.file_name = t2.file_name AND t1.id < t2.id WHERE t2.id")
+    List<ExcelInfoEntity> getAllExcelFilesName();
+
+
+    /**
+     * @param id         主键
+     * @param parentId   父级 ID
+     * @param fileName   文件名称
+     * @param sheetName  sheet 名称
+     * @param tableName  表名称
+     * @param type       类型
+     * @param createBy   创建者
+     * @param createTime 创建时间
+     * @param updateBy   更新者
+     * @param updateTime 更新时间
+     * @return 是否插入成功
+     */
+    @Insert("INSERT INTO excel_file_handling.excel_info (`id`,`parent_id`,`file_name`,`sheet_name`,`table_name`,`type`,`create_by`,`create_time`,`update_by`,`update_time`) VALUES (#{id}, #{parentId},#{fileName},#{sheetName},#{tableName},#{type},#{createBy}, #{createTime},#{updateBy},#{updateTime})")
+    boolean insertExcelInfo(int id, int parentId, String fileName, String sheetName, String tableName, int type, String createBy, String createTime, String updateBy, String updateTime);
+}

src/main/java/com/wxjw/dal/pojo/data/getFileTree/GetFileTreeChildren.java

@@ -0,0 +1,17 @@
+package com.wxjw.dal.pojo.data.getFileTree;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * Data 自定义 GetFileTreeController 实体类构造 父亲
+ *
+ * @author 筱锋xiao_lfeng
+ */
+@Data
+@AllArgsConstructor
+public class GetFileTreeChildren<T> {
+    private String name;
+    private int id;
+    private T children;
+}

src/main/java/com/wxjw/dal/pojo/data/getFileTree/GetFileTreeFather.java

@@ -0,0 +1,17 @@
+package com.wxjw.dal.pojo.data.getFileTree;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * Data 自定义 GetFileTreeController 实体类构造 父亲
+ *
+ * @author 筱锋xiao_lfeng
+ */
+@Data
+@AllArgsConstructor
+public class GetFileTreeFather<T> {
+    private String name;
+    private boolean open;
+    private T children;
+}

src/main/java/com/wxjw/dal/pojo/data/getFileTree/GetFileTreeSheet.java

@@ -0,0 +1,16 @@
+package com.wxjw.dal.pojo.data.getFileTree;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * Data 自定义 GetFileTreeController 实体类构造 父亲
+ *
+ * @author 筱锋xiao_lfeng
+ */
+@Data
+@AllArgsConstructor
+public class GetFileTreeSheet {
+    private String name;
+    private int id;
+}

src/main/java/com/wxjw/dal/pojo/entity/ExcelInfoEntity.java

@@ -0,0 +1,23 @@
+package com.wxjw.dal.pojo.entity;
+
+import lombok.Data;
+import org.springframework.lang.Nullable;
+
+/**
+ * Entity Excel数据表实体类
+ *
+ * @author 筱锋xiao_lfeng
+ */
+@Data
+public class ExcelInfoEntity {
+    private int id;
+    private int parentId;
+    @Nullable private String fileName;
+    @Nullable private String sheetName;
+    @Nullable private String tableName;
+    private int type;
+    @Nullable private String createBy;
+    @Nullable private String createTime;
+    @Nullable private String updateBy;
+    @Nullable private String updateTime;
+}

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

@@ -0,0 +1,58 @@
+package com.wxjw.service;
+
+import com.wxjw.common.Result;
+import com.wxjw.dal.dao.ExcelInfoMapper;
+import com.wxjw.dal.pojo.data.getFileTree.GetFileTreeChildren;
+import com.wxjw.dal.pojo.data.getFileTree.GetFileTreeFather;
+import com.wxjw.dal.pojo.data.getFileTree.GetFileTreeSheet;
+import com.wxjw.dal.pojo.entity.ExcelInfoEntity;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+
+/**
+ * Service GetFileTree逻辑服务处理
+ *
+ * @author 筱锋xiao_lfeng
+ */
+
+@Service
+public class GetFileTreeService {
+
+    public Result<Object> getFileTreeService(ExcelInfoMapper excelInfoMapper) {
+        // 从数据库读取数据
+        ArrayList<ExcelInfoEntity> allExcelFileName = (ArrayList<ExcelInfoEntity>) excelInfoMapper.getAllExcelFilesName();
+        // 检查所得数据是否为空
+        if (!allExcelFileName.isEmpty() && !excelInfoMapper.getAllExcelInfos().isEmpty()) {
+            ArrayList<Object> data = new ArrayList<>();
+            for (int i = 0; i < 3; i++) {
+                // 循环创建
+                ArrayList<Object> fatherList = new ArrayList<>();
+                for (ExcelInfoEntity excelInfoEntityFather : allExcelFileName) {
+                    if (excelInfoEntityFather.getType() == i) {
+                        ArrayList<Object> childrenList = new ArrayList<>();
+                        for (ExcelInfoEntity excelInfoEntityChildren : excelInfoMapper.getAllExcelInfos()) {
+                            GetFileTreeSheet getFileTreeSheet;
+                            getFileTreeSheet = new GetFileTreeSheet(excelInfoEntityChildren.getSheetName(), excelInfoEntityChildren.getId());
+                            childrenList.add(getFileTreeSheet);
+                        }
+
+
+                        GetFileTreeChildren<Object> getFileTreeChildren;
+                        getFileTreeChildren = new GetFileTreeChildren<>(excelInfoEntityFather.getFileName(), excelInfoEntityFather.getId(), childrenList);
+                        fatherList.add(getFileTreeChildren);
+                    }
+                }
+                switch (i) {
+                    case 0 -> data.add(new GetFileTreeFather<>("公共库", true, fatherList));
+                    case 1 -> data.add(new GetFileTreeFather<>("高级库", true, fatherList));
+                    case 2 -> data.add(new GetFileTreeFather<>("个人库", true, fatherList));
+                }
+            }
+            return new Result<>(200, data, "输出成功");
+        } else {
+            return new Result<>(403, null, "数据为空");
+        }
+    }
+}

src/main/resources/application.yaml

@@ -0,0 +1,11 @@
+spring:
+  datasource:
+    url: jdbc:mysql://localhost:3306
+    username: excel_file_handling
+    password: 123456789
+    driver-class-name: com.mysql.cj.jdbc.Driver
+  mvc:
+    static-path-pattern: /static/**
+mybatis:
+  configuration:
+    map-underscore-to-camel-case: true