spring下载文件

最新推荐文章于 2025-02-28 12:12:59 发布

青风行

最新推荐文章于 2025-02-28 12:12:59 发布

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分类专栏： java 文章标签： java

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package org.bigdata.framework.core.controller;

import org.apache.commons.io.FileUtils;
import org.bigdata.framework.core.common.OwlCustomConfigs;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import java.io.File;

@Controller
public class ShowDownLoadController {

   @RequestMapping(value="download.html")
   public String toDownloadHtml() {
      return "/download.html";
   }
   
    @RequestMapping(value="/downExportOwl",method = RequestMethod.GET)
   public ResponseEntity<byte[]> downExportXml(String filePath) throws Exception {
      File file = new File(OwlCustomConfigs.filePath + filePath);
      String fileName = file.getName();
      String downloadFielName = null;
      ResponseEntity<byte[]> responseEntity = null;
      try {
         downloadFielName = new String(fileName.getBytes("GBK"),"iso-8859-1");
         HttpHeaders headers = new HttpHeaders();
         headers.add("Content-Disposition","attachment;filename="+downloadFielName);
         headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
         responseEntity = new ResponseEntity<byte[]>(FileUtils.readFileToByteArray(file),headers, HttpStatus.OK);
      } catch (Exception e) {
         e.printStackTrace();
      }
      return responseEntity;
   }
}