文件下载 iE 不支持201状态

      使用springmvc创建下载文件时发现只有IE不能成功下载

      

/**
     * 获取中图片以下载使用 260*260
     * 
     * @return
     * @throws IOException
     */
    @RequestMapping("/download")
    public ResponseEntity<byte[]> download(Long id, HttpServletRequest request) throws Exception {
    	Order order = orderService.find(id);
    	String code = order.getOrderDimensional().getTwoDimensionalCode();
    	try {

    		
    		ByteArrayOutputStream out = new ByteArrayOutputStream();
            MatrixToImageWriter.buildToOutputStream(code, 260, 260, out);
            ByteArrayInputStream input = new ByteArrayInputStream(out.toByteArray());
            Font font = new Font("微软雅黑", Font.BOLD, 20);
            out = new ByteArrayOutputStream();
            //260*260 图片允许最多数字字符串：21 font 20px
            int x = 0;
    		if (code.length() <= 21 && code.length() >= 0) {
    			x = (21 - code.length()) / 2 * 12;
    		}
    		orderDimensionalService.addCodeView(input, out, code, 20, x, 260, font, 100);
            
            HttpHeaders headers = new HttpHeaders();
            String fileName=new String("订单二维码.png".getBytes("UTF-8"),"iso-8859-1");//为了解决中文名称乱码问题  
            headers.setContentDispositionFormData("attachment", fileName);
            headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
            byte[] bytes = out.toByteArray();
            
            input.close();
            out.close();
            
            return new ResponseEntity<byte[]>(bytes,
                    headers, HttpStatus.CREATED);
		} catch (Exception e) {
			e.printStackTrace();
		}
    	return null;
    }

原因是IE对状态码：201不支持，可以修改为200.

 

    在Java代码中表现为 HttpStatus.CREATED 修改为 HttpStatus.OK