springMVC 导出.txt文件

左手的ㄟ右手 2023-10-17 08:59 101阅读 0赞

SpringMVC源码：

/*
    	 * 设备烧入基础数据导出功能
    	 * 
    	 */
    	@RequestMapping(value = "/productDetailBurn_export.html")
    	@ResponseBody
    	public void productDetailBurn_export(ProductDetailInfo productDetailInfo, HttpServletRequest request,
    			HttpServletResponse response) throws IOException {
    		DbContextHolder.setDbType("isap");
    		ModelAndView modelAndView = new ModelAndView();
    		ProductInfo pro = (ProductInfo) request.getSession().getAttribute("mainProduct");
    		if (pro != null && pro.getProductId() != null) {
    			Integer pageNum = 1;
    			if (request.getParameter("pageNum") != null) {
    				pageNum = Integer.parseInt(request.getParameter("pageNum"));
    			}
    			productDetailInfo.setPageNum((pageNum - 1) * 10);
    			productDetailInfo.setPageSize(10);		
    			
    			List<String> strs = productDetailInfoService.selectProductDetailBurn(productDetailInfo);			
    			
    			//导出txt文件 
    			response.setContentType("text/plain");  
    			String fileName="videolist"; 
    			  try { 
    			   fileName = URLEncoder.encode("videolist", "UTF-8"); 
    			  } catch (UnsupportedEncodingException e1) { 
    			   // TODO Auto-generated catch block 
    			   e1.printStackTrace(); 
    			  }  
    			  response.setHeader("Content-Disposition","attachment; filename=" + fileName + ".txt");  
    			  BufferedOutputStream buff = null;   
    			  StringBuffer write = new StringBuffer();   
    			  String enter = "\r\n";   
    			  ServletOutputStream outSTr = null; 
    			  try {   
    				    outSTr = response.getOutputStream(); // 建立   
    				    buff = new BufferedOutputStream(outSTr); 
    				    //把内容写入文件 
    				    if(strs.size()>0){ 
    				     for (int i = 0; i < strs.size(); i++) { 
    				      write.append(strs.get(i)); 				   
    				      write.append(enter);   
    				     } 
    				    } 
    				    buff.write(write.toString().getBytes("UTF-8"));   
    				    buff.flush();   
    				    buff.close();   
    				  } catch (Exception e) {   
    				   e.printStackTrace();   
    				  } finally {   
    				   try {   
    				    buff.close();   
    				    outSTr.close();   
    				   } catch (Exception e) {   
    				    e.printStackTrace();   
    				   }   
    				  } 			  
    //			response.setContentType("application/x-msdownload");
    //			response.setHeader("Content-Disposition", "attachment;filename=equipmentDataExport.xls");
    //			OutputStream ouputStream = response.getOutputStream();
    //			POIUtil.exportExcel2FilePath("统一认证平台开发者数据信息", ouputStream, headInfoList, dataList);
    //			ouputStream.flush();
    //			ouputStream.close();
    		} else {
    			modelAndView.setViewName("redirect:/productinfo/productList.html");
    		}
    	}