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【新增】 学生端上传文件 学号-试卷ID-文件Url

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RENWEIBING\letre
2025-05-05 12:00:02 +08:00
parent 3a0886b94a
commit 85ea237b37
10 changed files with 231 additions and 0 deletions
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38
exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/dataobject/student/StuPaperFileDO.java Normal file
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@@ -0,0 +1,38 @@
package pc.exam.pp.module.exam.dal.dataobject.student;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import lombok.*;
import pc.exam.pp.framework.tenant.core.db.TenantBaseDO;
/**
* 学生-试卷-文件表 DO
*
* @author rwb
*/
@TableName("exam_stu_paper_fileurl")
@Data
@ToString(callSuper = true)
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class StuPaperFileDO extends TenantBaseDO {
/**
* Id
*/
@TableId
private Long id;
/**
* 学生号
*/
private Long stuId;
/**
* 试卷ID
*/
private String paperId;
/**
* 学生文件URL
*/
private String url;
}

18
exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/student/StuPaperFileMapper.java Normal file
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@@ -0,0 +1,18 @@
package pc.exam.pp.module.exam.dal.mysql.student;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import pc.exam.pp.framework.mybatis.core.mapper.BaseMapperX;
import pc.exam.pp.module.exam.dal.dataobject.student.StuPaperFileDO;
/**
* 学生-试卷-文件 Mapper
*
* @author rwb
*/
@Mapper
public interface StuPaperFileMapper extends BaseMapperX<StuPaperFileDO> {
StuPaperFileDO findByStuIdAndPaperId(@Param("stuId") Long stuId, @Param("paperId") String paperId);
}

24
exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/service/stu_paper_file/StuPaperFileService.java Normal file
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@@ -0,0 +1,24 @@
package pc.exam.pp.module.exam.service.stu_paper_file;
import jakarta.validation.Valid;
import pc.exam.pp.framework.common.pojo.PageResult;
import pc.exam.pp.module.exam.controller.admin.student.vo.StudentPageReqVO;
import pc.exam.pp.module.exam.controller.admin.student.vo.StudentSaveReqVO;
import pc.exam.pp.module.exam.dal.dataobject.student.StuPaperFileDO;
import pc.exam.pp.module.exam.dal.dataobject.student.StudentDO;
import java.util.List;
/**
* 学生-试卷-文件 Service 接口
*
* @author rwb
*/
public interface StuPaperFileService {
StuPaperFileDO findByStuIDAndPaperId(Long stuID, String paperID);
void insertStuPaperFile(StuPaperFileDO stuPaperFileDO);
void updateStuPaperFile(StuPaperFileDO stuPaperFileDO);
}

35
exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/service/stu_paper_file/StuPaperFileServiceImpl.java Normal file
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@@ -0,0 +1,35 @@
package pc.exam.pp.module.exam.service.stu_paper_file;
import jakarta.annotation.Resource;
import org.springframework.stereotype.Service;
import org.springframework.validation.annotation.Validated;
import pc.exam.pp.module.exam.dal.dataobject.student.StuPaperFileDO;
import pc.exam.pp.module.exam.dal.mysql.student.StuPaperFileMapper;
/**
* 学生-试卷-文件 Service 实现类
*
* @author rwb
*/
@Service
@Validated
public class StuPaperFileServiceImpl implements StuPaperFileService {
@Resource
private StuPaperFileMapper stuPaperFileMapper;
@Override
public StuPaperFileDO findByStuIDAndPaperId(Long stuID, String paperID) {
return stuPaperFileMapper.findByStuIdAndPaperId(stuID, paperID);
}
@Override
public void insertStuPaperFile(StuPaperFileDO stuPaperFileDO) {
stuPaperFileMapper.insert(stuPaperFileDO);
}
@Override
public void updateStuPaperFile(StuPaperFileDO stuPaperFileDO) {
stuPaperFileMapper.updateById(stuPaperFileDO);
}
}

15
exam-module-exam/exam-module-exam-biz/src/main/resources/mapper/student/StuPaperFileMapper.xml Normal file
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@@ -0,0 +1,15 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="pc.exam.pp.module.exam.dal.mysql.student.StuPaperFileMapper">
<!--
一般情况下，尽可能使用 Mapper 进行 CRUD 增删改查即可。
无法满足的场景，例如说多表关联查询，才使用 XML 编写 SQL。
代码生成器暂时只生成 Mapper XML 文件本身，更多推荐 MybatisX 快速开发插件来生成查询。
文档可见：https://www.iocoder.cn/MyBatis/x-plugins/
-->
<select id="findByStuIdAndPaperId" resultType="pc.exam.pp.module.exam.dal.dataobject.student.StuPaperFileDO">
SELECT * FROM exam_stu_paper_fileurl WHERE stu_id = #{stuId} AND paper_id = #{paperId}
</select>
</mapper>

6
exam-module-infra/exam-module-infra-biz/pom.xml
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@@ -124,6 +124,12 @@
<groupId>org.apache.tika</groupId>
<artifactId>tika-core</artifactId> <!-- 文件客户端：文件类型的识别 -->
</dependency>
<dependency>
<groupId>pc.exam.gg</groupId>
<artifactId>exam-module-exam-biz</artifactId>
<version>2.4.2-SNAPSHOT</version>
<scope>compile</scope>
</dependency>
</dependencies>

8
exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/controller/admin/file/FileController.java
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@@ -66,6 +66,14 @@ public class FileController {
return success(true);
}
@PostMapping("/upload_stu")
@Operation(summary = "上传学生考试文件", description = "模式三：后端上传文件，带有学生ID")
public CommonResult<String> uploadStuFile(StuFileUploadReqVO uploadReqVO) throws Exception {
MultipartFile file = uploadReqVO.getFile();
String path = uploadReqVO.getPath();
return success(fileService.createStuFile(uploadReqVO.getStuId(), uploadReqVO.getPaperId(), file.getOriginalFilename(), path, IoUtil.readBytes(file.getInputStream())));
}
@GetMapping("/{configId}/get/**")
@PermitAll
@Operation(summary = "下载文件")

25
exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/controller/admin/file/vo/file/StuFileUploadReqVO.java Normal file
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@@ -0,0 +1,25 @@
package pc.exam.pp.module.infra.controller.admin.file.vo.file;
import io.swagger.v3.oas.annotations.media.Schema;
import jakarta.validation.constraints.NotNull;
import lombok.Data;
import org.springframework.web.multipart.MultipartFile;
@Schema(description = "管理后台 - 上传文件 Request VO")
@Data
public class StuFileUploadReqVO {
@Schema(description = "文件附件", requiredMode = Schema.RequiredMode.REQUIRED)
@NotNull(message = "文件附件不能为空")
private MultipartFile file;
@Schema(description = "文件附件", example = "examyuanma.png")
private String path;
@Schema(description = "学生ID")
private Long stuId;
@Schema(description = "试卷ID")
private String paperId;
}

10
exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/service/file/FileService.java
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@@ -31,6 +31,16 @@ public interface FileService {
*/
String createFile(String name, String path, byte[] content);
/**
* 保存文件，并返回文件的访问路径
*
* @param name 文件名称
* @param path 文件路径
* @param content 文件内容
* @return 文件路径
*/
String createStuFile(Long stuId, String paperId, String name, String path, byte[] content);
/**
* 创建文件
*

52
exam-module-infra/exam-module-infra-biz/src/main/java/pc/exam/pp/module/infra/service/file/FileServiceImpl.java
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@@ -5,6 +5,8 @@ import cn.hutool.core.util.StrUtil;
import pc.exam.pp.framework.common.pojo.PageResult;
import pc.exam.pp.framework.common.util.io.FileUtils;
import pc.exam.pp.framework.common.util.object.BeanUtils;
import pc.exam.pp.module.exam.dal.dataobject.student.StuPaperFileDO;
import pc.exam.pp.module.exam.service.stu_paper_file.StuPaperFileService;
import pc.exam.pp.module.infra.framework.file.core.client.FileClient;
import pc.exam.pp.module.infra.framework.file.core.client.s3.FilePresignedUrlRespDTO;
import pc.exam.pp.module.infra.framework.file.core.utils.FileTypeUtils;
@@ -34,6 +36,9 @@ public class FileServiceImpl implements FileService {
@Resource
private FileMapper fileMapper;
@Resource
private StuPaperFileService stuPaperFileService;
@Override
public PageResult<FileDO> getFilePage(FilePageReqVO pageReqVO) {
return fileMapper.selectPage(pageReqVO);
@@ -69,6 +74,53 @@ public class FileServiceImpl implements FileService {
return url;
}
@Override
@SneakyThrows
public String createStuFile(Long stuId, String paperId, String name, String path, byte[] content) {
// 计算默认的 path 名
String type = FileTypeUtils.getMineType(content, name);
if (StrUtil.isEmpty(path)) {
path = FileUtils.generatePath(content, name);
}
// 如果 name 为空，则使用 path 填充
if (StrUtil.isEmpty(name)) {
name = path;
}
// 上传到文件存储器
FileClient client = fileConfigService.getMasterFileClient();
Assert.notNull(client, "客户端(master) 不能为空");
String url = client.upload(content, path, type);
// 保存到数据库
FileDO file = new FileDO();
file.setConfigId(client.getId());
file.setName(name);
file.setPath(path);
file.setUrl(url);
file.setType(type);
file.setSize(content.length);
fileMapper.insert(file);
// 需要更新学生表
// 1、先查询学生，试卷 是否已经存在数据
StuPaperFileDO stuPaperFileDO = stuPaperFileService.findByStuIDAndPaperId(stuId, paperId);
if (stuPaperFileDO == null) {
// 说明没有上传过，需要新增进去
StuPaperFileDO stuPaperFile = new StuPaperFileDO();
stuPaperFile.setPaperId(paperId);
stuPaperFile.setStuId(stuId);
stuPaperFile.setUrl(url);
stuPaperFileService.insertStuPaperFile(stuPaperFile);
} else {
// 说明已经上传过，判断url是否一致，不一致得，需要进行更新操作
if (!url.equals(stuPaperFileDO.getUrl())) {
stuPaperFileDO.setUrl(url);
stuPaperFileService.updateStuPaperFile(stuPaperFileDO);
}
}
return url;
}
@Override
public Long createFile(FileCreateReqVO createReqVO) {
FileDO file = BeanUtils.toBean(createReqVO, FileDO.class);