JavaEE企业级项目开发（第3版）课件 微课8-7：任务8.2员工照片上传

主讲人：蒋卫祥延迟符任务8.2员工照片上传数据绑定与文件上传员工照片上传设计步骤3．服务层接口与实现4．控制层5．视图层2.Mapper映射文件1．Mapper接口延迟符员工照片上传延迟符1．Mapper接口：RecordMapper.java@MapperpublicinterfaceRecordMapper{//根据工号修改档案信息：修改员工员工照片publicbooleanupdateRecordByEmpNo(Recordrecord);}员工照片上传延迟符2.Mapper映射文件Mapper映射文件：Record.xml<updateid="updateRecordByEmpNo"parameterType="record">

updatetb_recordsetpicture=#{picture}whereempNo=#{empNo}</update>员工照片上传延迟符3.服务层接口与实现类publicinterfaceIRecordService{//根据工号修改档案信息：修改员工员工照片publicbooleanupdateRecordByEmpNo(Recordrecord);}服务层接口：IRecordService.java服务层实现：RecordService.java@ServicepublicclassRecordServiceimplementsIRecordService{

@AutowiredprivateRecordMapperrecordMapper;

publicbooleanupdateRecordByEmpNo(Recordrecord){returnrecordMapper.updateRecordByEmpNo(record);}}员工照片上传延迟符4.控制层@Controller@RequestMapping("/record")publicclassRecordController{@AutowiredprivateIRecordServicerecordService;

@RequestMapping("/upload")publicStringupload(MultipartFileuploadFile,HttpSessionsession,StringempNo)throwsIllegalStateException,IOException{//获取上传的文件名作为服务器的文件名StringfileName=uploadFile.getOriginalFilename();//获取上传的文件的路径StringfilePath=session.getServletContext().getRealPath("/recordImages");Recordrecord=newRecord();record.setEmpNo(empNo);record.setPicture(fileName);recordService.updateRecordByEmpNo(record);Filefile=newFile(filePath,fileName);//上传文件uploadFile.transferTo(file);//保存文件信息到会话中session.setAttribute("fileInfo",fileName);session.setAttribute("filePath",filePath);return"file/showupload";}

……}员工照片上传延迟符5.视图层<formaction="${pageContext.request.contextPath}/record/upload"

enctype="multipart/form-data"method="post">请选择上传的照片:<inputtype="file"name="uploadFile"/><br/>员工工号:<inputtype="text"name="empNo"/><br/><inputtype="submit"value="上传"/></fo