# Conflicts: # src/main/java/com/teaching/backend/controller/records/ResourceLearningRecordController.java # src/main/java/com/teaching/backend/service/impl/records/ResourceLearningRecordServiceImpl.java # src/main/java/com/teaching/backend/service/records/IResourceLearningRecordService.javamaster
yh
5 months ago
commit
205de3c972
45 changed files with 1133 additions and 213 deletions
@ -0,0 +1,23 @@ |
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package com.teaching.backend.config; |
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import org.springframework.core.io.FileSystemResource; |
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import org.springframework.core.io.Resource; |
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import org.springframework.stereotype.Component; |
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import org.springframework.web.servlet.resource.ResourceHttpRequestHandler; |
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import javax.servlet.http.HttpServletRequest; |
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/** |
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* @author longge93 |
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*/ |
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@Component |
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public class NonStaticResourceHttpRequestHandler extends ResourceHttpRequestHandler { |
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public final static String ATTR_FILE = "NON-STATIC-FILE"; |
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@Override |
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protected Resource getResource(HttpServletRequest request) { |
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String filePath = (String) request.getAttribute(ATTR_FILE); |
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return new FileSystemResource(filePath); |
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} |
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} |
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@ -0,0 +1,46 @@ |
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package com.teaching.backend.controller.records; |
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import com.teaching.backend.config.NonStaticResourceHttpRequestHandler; |
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import org.mybatis.logging.Logger; |
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import org.mybatis.logging.LoggerFactory; |
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import org.springframework.beans.factory.annotation.Autowired; |
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import org.springframework.web.bind.annotation.RequestMapping; |
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import org.springframework.web.bind.annotation.RequestMethod; |
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import org.springframework.web.bind.annotation.RestController; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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import java.io.File; |
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import java.nio.charset.StandardCharsets; |
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@RestController |
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@RequestMapping(value = "/api/baseResource") |
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public class BaseSourceApiController { |
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@Autowired |
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private NonStaticResourceHttpRequestHandler nonStaticResourceHttpRequestHandler; |
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private final Logger logger = LoggerFactory.getLogger(this.getClass()); |
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@RequestMapping(value = "/video", method = RequestMethod.GET) |
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public void video( |
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HttpServletRequest request, |
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HttpServletResponse response |
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) { |
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try { |
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String path = "D:/Users/Desktop/image/剪映/7.18/7月20.mp4"; |
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File file = new File(path); |
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if (file.exists()) { |
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request.setAttribute(NonStaticResourceHttpRequestHandler.ATTR_FILE, path); |
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nonStaticResourceHttpRequestHandler.handleRequest(request, response); |
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} else { |
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response.setStatus(HttpServletResponse.SC_NOT_FOUND); |
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response.setCharacterEncoding(StandardCharsets.UTF_8.toString()); |
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} |
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} catch (Exception e) { |
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} |
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} |
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} |
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@ -0,0 +1,56 @@ |
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package com.teaching.backend.controller.records; |
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import org.springframework.web.bind.annotation.RequestMapping; |
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import org.springframework.web.bind.annotation.RequestParam; |
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import org.springframework.web.bind.annotation.RestController; |
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import javax.servlet.http.HttpServletResponse; |
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import java.io.FileInputStream; |
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import java.io.OutputStream; |
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@RestController |
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@RequestMapping("/api/bf") |
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public class Bf { |
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/** |
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* 根据本地图片全路径，响应给浏览器1个图片流 |
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*/ |
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@RequestMapping("/showImage") |
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public void showImage(HttpServletResponse response, @RequestParam("fileName")String fileName) { |
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System.out.println(fileName); |
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show(response,fileName,"image"); |
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} |
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/** |
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* 根据本地视频全路径，响应给浏览器1个视频 |
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*/ |
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@RequestMapping("/showVideo") |
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public void showVideo(HttpServletResponse response, @RequestParam("fileName")String fileName) { |
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show(response,fileName,"video"); |
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} |
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/** |
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* 响应文件 |
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* @param response |
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* @param fileName 文件全路径 |
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* @param type 响应流类型 |
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*/ |
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public void show(HttpServletResponse response, String fileName,String type){ |
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try{ |
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FileInputStream fis = new FileInputStream(fileName); // 以byte流的方式打开文件
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int i=fis.available(); //得到文件大小
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System.out.println(i); |
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byte data[]=new byte[i]; |
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fis.read(data); //读数据
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response.setContentType(type+"/*"); //设置返回的文件类型
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OutputStream toClient=response.getOutputStream(); //得到向客户端输出二进制数据的对象
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toClient.write(data); //输出数据
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toClient.flush(); |
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toClient.close(); |
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fis.close(); |
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}catch(Exception e){ |
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e.printStackTrace(); |
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System.out.println("文件不存在"); |
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} |
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} |
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} |
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@ -1,29 +1,102 @@ |
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package com.teaching.backend.controller.records; |
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page; |
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import com.teaching.backend.common.BaseResponse; |
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import com.teaching.backend.common.ResultUtils; |
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import com.teaching.backend.filter.ValidateParams; |
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import com.teaching.backend.mapper.records.ResourceLearningRecordMapper; |
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import com.teaching.backend.model.entity.records.KnowledgeLearningRecord; |
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import com.teaching.backend.model.entity.records.ResourceLearningRecord; |
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import com.teaching.backend.service.impl.records.KnowledgeLearningRecordServiceImpl; |
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import com.teaching.backend.service.impl.records.ResourceLearningRecordServiceImpl; |
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import com.teaching.backend.utils.UploadUtils; |
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import io.swagger.annotations.ApiOperation; |
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import org.springframework.web.bind.annotation.PostMapping; |
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import org.springframework.web.bind.annotation.RequestBody; |
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import org.springframework.web.bind.annotation.RequestMapping; |
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import org.springframework.web.bind.annotation.RestController; |
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import org.springframework.http.MediaType; |
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import org.springframework.web.bind.annotation.*; |
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import org.springframework.web.multipart.MultipartFile; |
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import javax.annotation.Resource; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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import java.io.File; |
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import java.io.IOException; |
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import java.util.List; |
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@RestController |
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@RequestMapping("/api/resourcelearningrecords") |
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public class ResourceLearningRecordController { |
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@Resource |
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private ResourceLearningRecordServiceImpl resourceLearningRecordService; |
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@Resource |
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private ResourceLearningRecordMapper resourceLearningRecordMapper; |
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@ApiOperation("添加资源学习记录") |
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// @ValidateParams({"userId","type","coursesId"})
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@PostMapping("/saverecords") |
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public BaseResponse<String> saveResourceRecords(@RequestBody ResourceLearningRecord resourceLearningRecord) { |
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return resourceLearningRecordService.saveCoursesRecords(resourceLearningRecord); |
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} |
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/** |
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* 获取当前登录用户的学习资源记录 |
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* @param pagenum |
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* @param pagesize |
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* @return |
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*/ |
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@ApiOperation("根据用户id查询学习记录") |
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@ValidateParams({"userId"}) |
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@GetMapping("/page") |
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public BaseResponse<Page> getAll(@RequestParam(value = "pagenum", defaultValue = "1") int pagenum, |
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@RequestParam(value = "pagesize", defaultValue = "10") int pagesize, |
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@RequestParam String userId, |
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@RequestParam String courseId, |
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@RequestParam String knowledgeId){ |
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return resourceLearningRecordService.getPage(pagenum, pagesize, userId, knowledgeId,courseId); |
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} |
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/** |
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* 根据ids删除 |
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* @param ids |
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* @return |
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*/ |
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@ApiOperation("学习记录删除") |
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@DeleteMapping("/delete") |
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public BaseResponse<String> deleteRecords(@RequestParam List<Long> ids){ |
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return resourceLearningRecordService.removeResourceRecord(ids); |
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} |
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/** |
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* 统计单个学生学习资源数量 |
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* @param userId |
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* @return |
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*/ |
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@ApiOperation("统计单个学生学习资源数量") |
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@GetMapping("/countresourcenumber") |
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public BaseResponse<Integer> countResourceNumber(@RequestParam String userId) { |
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return ResultUtils.success(resourceLearningRecordMapper.selectDistinctResourceIdsByUser(userId).size()); |
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} |
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@ApiOperation("上传图片") |
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@PostMapping(value = "/upload", consumes = MediaType.MULTIPART_FORM_DATA_VALUE) |
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public BaseResponse<String> upload(@RequestPart("filedata") MultipartFile filedata) throws IOException { |
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//调用ser
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System.out.println(filedata.getResource()); |
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System.out.println(UploadUtils.saveFileByDirectory(filedata)); |
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// File file = filedata.getResource().getFile();
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// UploadUtils.Chunk(file);
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// UploadUtils.Merge(file);
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//源文件
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// File sourseFile = (File) file;
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return ResultUtils.success("hello"); |
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}; |
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@GetMapping("/bf") |
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public BaseResponse<String> bf(@RequestParam String path, File file,HttpServletRequest request, HttpServletResponse response){ |
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File sourseFile = new File(path); |
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return ResultUtils.success(path); |
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}; |
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// @ApiOperation("添加资源学习记录")
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//// @ValidateParams({"userId","type","coursesId"})
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// @PostMapping("/saverecords")
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// public BaseResponse<String> saveResourceRecords(@RequestBody ResourceLearningRecord resourceLearningRecord) {
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// return resourceLearningRecordService.saveCoursesRecords(resourceLearningRecord);
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// }
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} |
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@ -0,0 +1,32 @@ |
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package com.teaching.backend.model.dto.upload; |
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import lombok.Data; |
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@Data |
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public class UploadFileParamsDto { |
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/** |
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* 文件名称 |
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*/ |
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private String filename; |
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/** |
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* 文件类型(文档，音频，视频) |
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*/ |
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private String fileType; |
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/** |
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* 文件大小 |
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*/ |
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private Long fileSize; |
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/** |
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* 标签 |
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*/ |
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private String tags; |
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/** |
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* 上传人 |
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*/ |
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private String username; |
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/** |
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* 备注 |
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*/ |
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private String remark; |
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} |
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@ -0,0 +1,44 @@ |
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package com.teaching.backend.model.vo.courses; |
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import com.baomidou.mybatisplus.annotation.IdType; |
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import com.baomidou.mybatisplus.annotation.TableId; |
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import com.baomidou.mybatisplus.annotation.TableName; |
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import lombok.Data; |
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import lombok.EqualsAndHashCode; |
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import lombok.experimental.Accessors; |
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import java.io.Serializable; |
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import java.time.LocalDate; |
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import java.time.LocalDateTime; |
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import java.util.List; |
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/** |
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* <p> |
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* |
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* </p> |
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* |
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* @author zjh |
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* @since 2024-06-12 |
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*/ |
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@Data |
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@EqualsAndHashCode(callSuper = false) |
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@Accessors(chain = true) |
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public class PersonalCenterStudentListVO implements Serializable { |
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/** |
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* 头像 |
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*/ |
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private String icon; |
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/** |
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* 姓名 |
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*/ |
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private String name; |
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/** |
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* 学号 |
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*/ |
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private String number; |
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} |
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@ -0,0 +1,37 @@ |
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package com.teaching.backend.model.vo.records; |
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import io.swagger.annotations.ApiModel; |
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import lombok.Data; |
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@Data |
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@ApiModel(description = "知识点学习记录") |
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public class KnowledgeLearningRecordVo { |
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/** |
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* 知识点学习id |
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*/ |
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private String id; |
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/** |
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* 课程id |
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*/ |
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private String coursesId; |
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/** |
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* 知识点id |
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*/ |
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private String knowledgeId; |
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/** |
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* 知识点名称 |
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*/ |
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private String knowledgeName; |
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/** |
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* 用户id |
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*/ |
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private String userId; |
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/** |
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* 学习人数 |
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*/ |
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private Integer number; |
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/** |
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* 学习时间 |
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*/ |
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private String time; |
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} |
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package com.teaching.backend.model.vo.records; |
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import io.swagger.annotations.ApiModel; |
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import lombok.Data; |
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@Data |
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@ApiModel(description = "资源学习记录") |
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public class ResourceLearingRecordVo { |
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/** |
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* 资源学习id |
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*/ |
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private String id; |
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/** |
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* 资源名称 |
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*/ |
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private String resourceName; |
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/** |
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* 用户id |
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*/ |
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private String userId; |
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/** |
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* 学习人数 |
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*/ |
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private Integer number; |
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/** |
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* 学习时间 |
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*/ |
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private String time; |
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} |
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package com.teaching.backend.utils; |
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public class Constants { |
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public static final String UPLOAD_URL = "E:\\workspace\\file\\"; |
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} |
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package com.teaching.backend.utils; |
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import lombok.extern.slf4j.Slf4j; |
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import org.apache.commons.io.FilenameUtils; |
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import org.apache.commons.io.FileUtils; |
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import org.springframework.util.DigestUtils; |
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import org.springframework.web.multipart.MultipartFile; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.IOException; |
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import java.io.RandomAccessFile; |
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import java.util.*; |
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import static com.teaching.backend.utils.Constants.UPLOAD_URL; |
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@Slf4j |
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//文件上传工具类
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public class UploadUtils { |
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public static String saveFileByDirectory (MultipartFile file) { |
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String url = ""; |
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try { |
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// 将文件保存在服务器目录中
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// 文件名称
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String uuid = UUID.randomUUID().toString(); |
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// 得到上传文件后缀
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String originalName = file.getOriginalFilename(); |
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String ext = "." + FilenameUtils.getExtension(originalName); |
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// 新生成的文件名称
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String fileName = uuid + ext; |
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// 复制文件
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File targetFile = new File(UPLOAD_URL, fileName); |
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url = UPLOAD_URL + fileName; |
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FileUtils.writeByteArrayToFile(targetFile, file.getBytes()); |
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System.out.println("保存成功"); |
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} catch (IOException e) { |
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log.error("保存文件到服务器（本地）失败",e); |
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} |
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return url; |
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} |
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public static void Chunk(File sourseFile) throws IOException { |
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// //源文件
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// File sourseFile = new File("D:/Users/Desktop/image/剪映/7.18/7月20.mp4");
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//分块文件存储路径
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String chunkFilePath = "E:\\workspace\\chunk"; |
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//分块文件大小
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int chunkSize = 1024 * 1024 * 1; |
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//分块文件个数
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int chunkNum = (int) Math.ceil(sourseFile.length() * 1.0 / chunkSize); |
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//使用流从源文件读数据，向分块文件中写数据
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RandomAccessFile raf_r = new RandomAccessFile(sourseFile, "r"); |
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//缓存区
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byte[] bytes = new byte[1024]; |
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for (int i = 0; i < chunkNum; i++) { |
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File chunkFile = new File(chunkFilePath + i); |
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//分块文件写入流
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RandomAccessFile raf_rw = new RandomAccessFile(chunkFile, "rw"); |
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int len = -1; |
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while((len=raf_r.read(bytes)) != -1){ |
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raf_rw.write(bytes, 0, len); |
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if (chunkFile.length() >= chunkSize){ |
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break; |
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} |
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} |
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raf_rw.close(); |
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} |
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raf_r.close(); |
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} |
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public static void Merge(File sourseFile) throws IOException { |
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//块文件目录
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File chunkFolder = new File("E:\\workspace\\chunk"); |
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// //源文件
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// File sourseFile = new File("D:/Users/Desktop/image/剪映/7.18/7月20.mp4");
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//合并后的文件
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File mergeFile = new File("E:\\workspace\\file\\"+sourseFile.getName()); |
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|
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//取出所有分块文件
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File[] files = chunkFolder.listFiles(); |
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//将数组转成list
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List<File> fileList = Arrays.asList(files); |
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//对分块文件排序
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Collections.sort(fileList, new Comparator<File>() { |
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@Override |
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public int compare(File o1, File o2) { |
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return Integer.parseInt(o1.getName()) - Integer.parseInt(o2.getName()); //升序
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} |
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}); |
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//向合并文件写的流
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RandomAccessFile raf_rw = new RandomAccessFile(mergeFile, "rw"); |
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//缓存区
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byte[] bytes = new byte[1024]; |
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//遍历分块文件，向合并的文件写
|
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for (File file : fileList) { |
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//读分块的流
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RandomAccessFile raf_r = new RandomAccessFile(file, "r"); |
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int len = -1; |
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while((len = raf_r.read(bytes)) != -1){ |
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raf_rw.write(bytes, 0, len); |
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} |
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raf_r.close(); |
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} |
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raf_rw.close(); |
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//合并文件完成后对合并的文件校验
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FileInputStream fileInputStream_merge = new FileInputStream(mergeFile); |
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FileInputStream fileInputStream_source = new FileInputStream(sourseFile); |
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String md5_merge = DigestUtils.md5DigestAsHex(fileInputStream_merge); |
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String md5_source = DigestUtils.md5DigestAsHex(fileInputStream_source); |
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if (md5_merge.equals(md5_source)){ |
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System.out.println("文件合并成功！"); |
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} |
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} |
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} |
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@ -0,0 +1,20 @@ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> |
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<mapper namespace="com.teaching.backend.mapper.records.KnowledgeLearningRecordMapper"> |
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|
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<select id="queryStudyKnowledgeMaxNumber" resultType="java.lang.String"> |
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SELECT |
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kln.knowledge_id knowledgeId |
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FROM |
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knowledge_learning_number kln |
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ORDER BY |
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number |
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DESC; |
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</select> |
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<select id="queryStudyMaxKnowledgeId" resultType="java.lang.String"> |
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SELECT knowledge_id,knowledge_name |
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FROM knowledge_learning_record |
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WHERE user_id = #{userId} |
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ORDER BY times DESC; |
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</select> |
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</mapper> |
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@ -0,0 +1,101 @@ |
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package com.teaching; |
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|
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import org.junit.jupiter.api.Test; |
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import org.springframework.util.DigestUtils; |
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|
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import java.io.*; |
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import java.util.Arrays; |
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import java.util.Collections; |
||||
import java.util.Comparator; |
||||
import java.util.List; |
||||
|
||||
public class MinioTest { |
||||
//分块测试
|
||||
@Test |
||||
public void testChunk() throws IOException { |
||||
//源文件
|
||||
File sourseFile = new File("D:/Users/Desktop/image/剪映/7.18/7月20.mp4"); |
||||
//分块文件存储路径
|
||||
String chunkFilePath = "D:/Users/Desktop/image/剪映/7.18/chunk/"; |
||||
//分块文件大小
|
||||
int chunkSize = 1024 * 1024 * 1; |
||||
//分块文件个数
|
||||
int chunkNum = (int) Math.ceil(sourseFile.length() * 1.0 / chunkSize); |
||||
//使用流从源文件读数据，向分块文件中写数据
|
||||
RandomAccessFile raf_r = new RandomAccessFile(sourseFile, "r"); |
||||
//缓存区
|
||||
byte[] bytes = new byte[1024]; |
||||
for (int i = 0; i < chunkNum; i++) { |
||||
File chunkFile = new File(chunkFilePath + i); |
||||
//分块文件写入流
|
||||
RandomAccessFile raf_rw = new RandomAccessFile(chunkFile, "rw"); |
||||
int len = -1; |
||||
while((len=raf_r.read(bytes)) != -1){ |
||||
raf_rw.write(bytes, 0, len); |
||||
if (chunkFile.length() >= chunkSize){ |
||||
break; |
||||
} |
||||
} |
||||
raf_rw.close(); |
||||
} |
||||
raf_r.close(); |
||||
} |
||||
|
||||
//将分块进行合并
|
||||
@Test |
||||
public void testMerge() throws IOException { |
||||
//块文件目录
|
||||
File chunkFolder = new File("D:\\Users\\Desktop\\image\\剪映\\7.18\\chunk"); |
||||
//源文件
|
||||
File sourseFile = new File("D:/Users/Desktop/image/剪映/7.18/7月20.mp4"); |
||||
//合并后的文件
|
||||
File mergeFile = new File("D:/Users/Desktop/image/剪映/7.18/7月20_merge.mp4"); |
||||
|
||||
//取出所有分块文件
|
||||
File[] files = chunkFolder.listFiles(); |
||||
//将数组转成list
|
||||
List<File> fileList = Arrays.asList(files); |
||||
//对分块文件排序
|
||||
Collections.sort(fileList, new Comparator<File>() { |
||||
@Override |
||||
public int compare(File o1, File o2) { |
||||
return Integer.parseInt(o1.getName()) - Integer.parseInt(o2.getName()); //升序
|
||||
} |
||||
}); |
||||
//向合并文件写的流
|
||||
RandomAccessFile raf_rw = new RandomAccessFile(mergeFile, "rw"); |
||||
//缓存区
|
||||
byte[] bytes = new byte[1024]; |
||||
//遍历分块文件，向合并的文件写
|
||||
for (File file : fileList) { |
||||
//读分块的流
|
||||
RandomAccessFile raf_r = new RandomAccessFile(file, "r"); |
||||
int len = -1; |
||||
while((len = raf_r.read(bytes)) != -1){ |
||||
raf_rw.write(bytes, 0, len); |
||||
} |
||||
raf_r.close(); |
||||
} |
||||
raf_rw.close(); |
||||
//合并文件完成后对合并的文件校验
|
||||
FileInputStream fileInputStream_merge = new FileInputStream(mergeFile); |
||||
FileInputStream fileInputStream_source = new FileInputStream(sourseFile); |
||||
String md5_merge = DigestUtils.md5DigestAsHex(fileInputStream_merge); |
||||
String md5_source = DigestUtils.md5DigestAsHex(fileInputStream_source); |
||||
if (md5_merge.equals(md5_source)){ |
||||
System.out.println("文件合并成功！"); |
||||
} |
||||
} |
||||
|
||||
//将分块文件上传到minio
|
||||
public void uploadChunk(){ |
||||
|
||||
} |
||||
|
||||
//调用minio接口合并分块
|
||||
|
||||
|
||||
//批量清理分块文件
|
||||
|
||||
|
||||
} |
||||
@ -0,0 +1,36 @@ |
||||
package com.teaching; |
||||
|
||||
|
||||
import lombok.extern.slf4j.Slf4j; |
||||
import org.junit.jupiter.api.Test; |
||||
import org.springframework.boot.test.context.SpringBootTest; |
||||
|
||||
import javax.annotation.Resource; |
||||
|
||||
@Slf4j |
||||
@SpringBootTest |
||||
public class test { |
||||
|
||||
|
||||
@Test |
||||
public void countknowledge(){ |
||||
String userId = "2"; |
||||
// System.out.println(knowledgeLearningCountService.list());
|
||||
// List<KnowledgeLearningCount> list = knowledgeLearningCountService.query().eq("user_id", userId).list();
|
||||
// HashSet<KnowledgeLearningCount> set = new HashSet<>(list);
|
||||
// System.out.println(set.size());
|
||||
// Long count = knowledgeLearningCountService.query().eq("user_id", userId).count();
|
||||
// if (count == 0){
|
||||
// KnowledgeLearningCount knowledgeLearningCount = new KnowledgeLearningCount();
|
||||
// knowledgeLearningCount.setUserId(userId);
|
||||
// knowledgeLearningCount.setNumber(1);
|
||||
// knowledgeLearningCountService.save(knowledgeLearningCount);
|
||||
// }else {
|
||||
// //该用户学习知识点数+1
|
||||
// boolean is = knowledgeLearningCountService.update()
|
||||
// .setSql("number = "+set.size())
|
||||
// .eq("user_id", userId).update();
|
||||
// System.out.println(is);
|
||||
// }
|
||||
} |
||||
} |
||||
Loading…
Reference in new issue