增加流程文件下载接口

yangys

2025-08-13 44b55dd34d09090fe6fdeb7d2428efe9e775424c

 blade-service/blade-mdm/src/main/java/org/springblade/mdm/flow/service/FlowProgramFileService.java

@@ -1,6 +1,8 @@

package org.springblade.mdm.flow.service;

import jakarta.servlet.ServletOutputStream;
import jakarta.servlet.http.HttpServletResponse;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.io.IOUtils;
@@ -199,8 +201,14 @@
         throw new ServiceException("应上传"+totalSeg+"段程序，实际上传"+flowPrograms.size()+"段");
      }


   }


   public void download(Long id, HttpServletResponse response) throws IOException {
      FlowProgramFile flowFile = this.getById(id);
      response.setHeader("Content-Disposition", "attachment; filename="+flowFile.getName());
      response.setContentType("application/octet-stream");
      try(InputStream ins = ossTemplate.statFileStream(flowFile.getOssName());){
         IOUtils.copy(ins,response.getOutputStream());
      }
   }
}