feature:修改代码实现，数据管理不基于yaml进行代码生成

backend/services/data-management-service/pom.xml

@@ -75,31 +75,6 @@
                     <classifier>exec</classifier>
                 </configuration>
             </plugin>
-            <plugin>
-                <groupId>org.openapitools</groupId>
-                <artifactId>openapi-generator-maven-plugin</artifactId>
-                <version>6.6.0</version>
-                <executions>
-                    <execution>
-                        <goals>
-                            <goal>generate</goal>
-                        </goals>
-                        <configuration>
-                            <inputSpec>${project.basedir}/../../openapi/specs/data-management.yaml</inputSpec>
-                            <generatorName>spring</generatorName>
-                            <output>${project.build.directory}/generated-sources/openapi</output>
-                            <apiPackage>com.dataengine.datamanagement.interfaces.api</apiPackage>
-                            <modelPackage>com.dataengine.datamanagement.interfaces.dto</modelPackage>
-                            <configOptions>
-                                <interfaceOnly>true</interfaceOnly>
-                                <useTags>true</useTags>
-                                <useSpringBoot3>true</useSpringBoot3>
-                                <documentationProvider>springdoc</documentationProvider>
-                            </configOptions>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
         </plugins>
     </build>
 </project>

backend/services/data-management-service/src/main/java/com/dataengine/datamanagement/application/service/DatasetApplicationService.java

@@ -6,6 +6,7 @@
 import com.dataengine.datamanagement.infrastructure.persistence.mapper.DatasetFileMapper;
 import com.dataengine.datamanagement.infrastructure.persistence.mapper.DatasetMapper;
 import com.dataengine.datamanagement.infrastructure.persistence.mapper.TagMapper;
+import com.dataengine.datamanagement.interfaces.dto.AllDatasetStatisticsResponse;
 import org.apache.ibatis.session.RowBounds;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.Page;
@@ -240,4 +241,11 @@ public Map<String, Object> getDatasetStatistics(String datasetId) {
 
         return statistics;
     }
+
+    /**
+     * 获取所有数据集的汇总统计信息
+     */
+    public AllDatasetStatisticsResponse getAllDatasetStatistics() {
+        return datasetMapper.getAllDatasetStatistics();
+    }
 }

backend/services/data-management-service/src/main/java/com/dataengine/datamanagement/infrastructure/persistence/mapper/DatasetMapper.java

@@ -1,6 +1,7 @@
 package com.dataengine.datamanagement.infrastructure.persistence.mapper;
 
 import com.dataengine.datamanagement.domain.model.dataset.Dataset;
+import com.dataengine.datamanagement.interfaces.dto.AllDatasetStatisticsResponse;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
 import org.apache.ibatis.session.RowBounds;
@@ -29,4 +30,5 @@ long countByCriteria(@Param("typeCode") String typeCode,
     int insert(Dataset dataset);
     int update(Dataset dataset);
     int deleteById(@Param("id") String id);
+    AllDatasetStatisticsResponse getAllDatasetStatistics();
 }

backend/services/data-management-service/src/main/java/com/dataengine/datamanagement/interfaces/dto/AllDatasetStatisticsResponse.java

@@ -0,0 +1,20 @@
+package com.dataengine.datamanagement.interfaces.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+/**
+ * 所有数据集统计信息响应DTO
+ */
+@Getter
+@Setter
+public class AllDatasetStatisticsResponse {
+    /** 总数据集数 */
+    private Integer totalDatasets;
+
+    /** 总文件数 */
+    private Long totalSize;
+
+    /** 总大小（字节） */
+    private Long totalFiles;
+}

backend/services/data-management-service/src/main/java/com/dataengine/datamanagement/interfaces/dto/CreateDatasetRequest.java

@@ -0,0 +1,26 @@
+package com.dataengine.datamanagement.interfaces.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.List;
+
+/**
+ * 创建数据集请求DTO
+ */
+@Getter
+@Setter
+public class CreateDatasetRequest {
+    /** 数据集名称 */
+    private String name;
+    /** 数据集描述 */
+    private String description;
+    /** 数据集类型 */
+    private String type;
+    /** 标签列表 */
+    private List<String> tags;
+    /** 数据源 */
+    private String dataSource;
+    /** 目标位置 */
+    private String targetLocation;
+}

backend/services/data-management-service/src/main/java/com/dataengine/datamanagement/interfaces/dto/CreateTagRequest.java

@@ -0,0 +1,18 @@
+package com.dataengine.datamanagement.interfaces.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+/**
+ * 创建标签请求DTO
+ */
+@Getter
+@Setter
+public class CreateTagRequest {
+    /** 标签名称 */
+    private String name;
+    /** 标签颜色 */
+    private String color;
+    /** 标签描述 */
+    private String description;
+}

backend/services/data-management-service/src/main/java/com/dataengine/datamanagement/interfaces/dto/DatasetFileResponse.java

@@ -0,0 +1,33 @@
+package com.dataengine.datamanagement.interfaces.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+import java.time.LocalDateTime;
+
+/**
+ * 数据集文件响应DTO
+ */
+@Getter
+@Setter
+public class DatasetFileResponse {
+    /** 文件ID */
+    private String id;
+    /** 文件名 */
+    private String fileName;
+    /** 原始文件名 */
+    private String originalName;
+    /** 文件类型 */
+    private String fileType;
+    /** 文件大小（字节） */
+    private Long size;
+    /** 文件状态 */
+    private String status;
+    /** 文件描述 */
+    private String description;
+    /** 文件路径 */
+    private String filePath;
+    /** 上传时间 */
+    private LocalDateTime uploadedAt;
+    /** 上传者 */
+    private String uploadedBy;
+}

backend/services/data-management-service/src/main/java/com/dataengine/datamanagement/interfaces/dto/DatasetResponse.java

@@ -0,0 +1,43 @@
+package com.dataengine.datamanagement.interfaces.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+/**
+ * 数据集响应DTO
+ */
+@Getter
+@Setter
+public class DatasetResponse {
+    /** 数据集ID */
+    private String id;
+    /** 数据集名称 */
+    private String name;
+    /** 数据集描述 */
+    private String description;
+    /** 数据集类型 */
+    private DatasetTypeResponse type;
+    /** 数据集状态 */
+    private String status;
+    /** 标签列表 */
+    private List<TagResponse> tags;
+    /** 数据源 */
+    private String dataSource;
+    /** 目标位置 */
+    private String targetLocation;
+    /** 文件数量 */
+    private Integer fileCount;
+    /** 总大小（字节） */
+    private Long totalSize;
+    /** 完成率（0-100） */
+    private Float completionRate;
+    /** 创建时间 */
+    private LocalDateTime createdAt;
+    /** 更新时间 */
+    private LocalDateTime updatedAt;
+    /** 创建者 */
+    private String createdBy;
+}

backend/services/data-management-service/src/main/java/com/dataengine/datamanagement/interfaces/dto/DatasetStatisticsResponse.java

@@ -0,0 +1,25 @@
+package com.dataengine.datamanagement.interfaces.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+import java.util.Map;
+
+/**
+ * 数据集统计信息响应DTO
+ */
+@Getter
+@Setter
+public class DatasetStatisticsResponse {
+    /** 总文件数 */
+    private Integer totalFiles;
+    /** 已完成文件数 */
+    private Integer completedFiles;
+    /** 总大小（字节） */
+    private Long totalSize;
+    /** 完成率（0-100） */
+    private Float completionRate;
+    /** 文件类型分布 */
+    private Map<String, Integer> fileTypeDistribution;
+    /** 状态分布 */
+    private Map<String, Integer> statusDistribution;
+}

backend/services/data-management-service/src/main/java/com/dataengine/datamanagement/interfaces/dto/DatasetTypeResponse.java

@@ -0,0 +1,23 @@
+package com.dataengine.datamanagement.interfaces.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+import java.util.List;
+
+/**
+ * 数据集类型响应DTO
+ */
+@Getter
+@Setter
+public class DatasetTypeResponse {
+    /** 类型编码 */
+    private String code;
+    /** 类型名称 */
+    private String name;
+    /** 类型描述 */
+    private String description;
+    /** 支持的文件格式 */
+    private List<String> supportedFormats;
+    /** 图标 */
+    private String icon;
+}

backend/services/data-management-service/src/main/java/com/dataengine/datamanagement/interfaces/dto/PagedDatasetFileResponse.java

@@ -0,0 +1,27 @@
+package com.dataengine.datamanagement.interfaces.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+import java.util.List;
+
+/**
+ * 数据集文件分页响应DTO
+ */
+@Getter
+@Setter
+public class PagedDatasetFileResponse {
+    /** 文件内容列表 */
+    private List<DatasetFileResponse> content;
+    /** 当前页码 */
+    private Integer page;
+    /** 每页大小 */
+    private Integer size;
+    /** 总元素数 */
+    private Integer totalElements;
+    /** 总页数 */
+    private Integer totalPages;
+    /** 是否为第一页 */
+    private Boolean first;
+    /** 是否为最后一页 */
+    private Boolean last;
+}

backend/services/data-management-service/src/main/java/com/dataengine/datamanagement/interfaces/dto/PagedDatasetResponse.java

@@ -0,0 +1,28 @@
+package com.dataengine.datamanagement.interfaces.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.List;
+
+/**
+ * 数据集分页响应DTO
+ */
+@Getter
+@Setter
+public class PagedDatasetResponse {
+    /** 数据集内容列表 */
+    private List<DatasetResponse> content;
+    /** 当前页码 */
+    private Integer page;
+    /** 每页大小 */
+    private Integer size;
+    /** 总元素数 */
+    private Integer totalElements;
+    /** 总页数 */
+    private Integer totalPages;
+    /** 是否为第一页 */
+    private Boolean first;
+    /** 是否为最后一页 */
+    private Boolean last;
+}

backend/services/data-management-service/src/main/java/com/dataengine/datamanagement/interfaces/dto/TagResponse.java

@@ -0,0 +1,22 @@
+package com.dataengine.datamanagement.interfaces.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+/**
+ * 标签响应DTO
+ */
+@Getter
+@Setter
+public class TagResponse {
+    /** 标签ID */
+    private String id;
+    /** 标签名称 */
+    private String name;
+    /** 标签颜色 */
+    private String color;
+    /** 标签描述 */
+    private String description;
+    /** 使用次数 */
+    private Integer usageCount;
+}

backend/services/data-management-service/src/main/java/com/dataengine/datamanagement/interfaces/dto/UpdateDatasetRequest.java

@@ -0,0 +1,22 @@
+package com.dataengine.datamanagement.interfaces.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.List;
+
+/**
+ * 更新数据集请求DTO
+ */
+@Getter
+@Setter
+public class UpdateDatasetRequest {
+    /** 数据集名称 */
+    private String name;
+    /** 数据集描述 */
+    private String description;
+    /** 标签列表 */
+    private List<String> tags;
+    /** 数据集状态 */
+    private String status;
+}