新-实验室lims后端
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gaoluyang
21 小时以前 abd339106ed3a6465293edccd33e5f87bd43bdde 
 cnas-manage/src/main/java/com/ruoyi/manage/service/impl/ManageDocumentControlledServiceImpl.java


@@ -8,6 +8,7 @@


import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;


import com.ruoyi.common.core.domain.entity.User;


import com.ruoyi.common.utils.QueryWrappers;


import com.ruoyi.framework.exception.ErrorException;


import com.ruoyi.manage.mapper.ManageDocumentControlledMapper;


import com.ruoyi.manage.mapper.ManageDocumentListMapper;


import com.ruoyi.manage.mapper.ManageRecordCheckMapper;


@@ -15,6 +16,7 @@


import com.ruoyi.manage.pojo.ManageDocumentList;


import com.ruoyi.manage.pojo.ManageRecordCheck;


import com.ruoyi.manage.service.ManageDocumentControlledService;


import com.ruoyi.manage.util.DocumentPreviewUtils;


import com.ruoyi.system.mapper.UserMapper;


import org.springframework.beans.factory.annotation.Value;


import org.springframework.stereotype.Service;


@@ -199,21 +201,11 @@


    @Override


    public void checkManageDocumentControlledPdf(Long id, HttpServletResponse response) throws Exception {


        ManageDocumentControlled manageDocumentControlled = manageDocumentControlledMapper.selectById(id);


        File file = new File(wordUrl + "/" + manageDocumentControlled.getUrl());


        FileInputStream fileInputStream = new FileInputStream(file);


        response.setContentType("application/pdf");


        response.setCharacterEncoding("UTF-8");


        response.setHeader("Content-disposition", "inline;filename=" + file.getName());


        response.setContentLength((int)file.length());


        OutputStream os = response.getOutputStream();


        // 将文件内容写入输出流


        byte[] buffer = new byte[4096];


        int bytesRead;


        while ((bytesRead = fileInputStream.read(buffer)) != -1) {


            os.write(buffer, 0, bytesRead);


        if (manageDocumentControlled == null || ObjectUtils.isEmpty(manageDocumentControlled.getUrl())) {


            throw new ErrorException("文件未上传");


        }


        os.flush();


        os.close();


        // PDF 直接输出，Word/图片在线转 PDF，供前端预览盖章


        DocumentPreviewUtils.writeAsPdf(new File(wordUrl + "/" + manageDocumentControlled.getUrl()), response);


    }




}