Spring Cloud Feign接口返回流

原创
2019/10/12 17:45
阅读数 4.7K

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服务提供者

@GetMapping("/{id}")
    public void queryJobInfoLogDetail(@PathVariable("id") Long id, HttpServletResponse response) {

        File file = new File("xxxxx");
        InputStream fileInputStream = new FileInputStream(file);
        OutputStream outStream;
        try {
            outStream = response.getOutputStream();

            byte[] bytes = new byte[1024];
            int len = 0;
            while ((len = fileInputStream.read(bytes)) != -1) {
                outStream.write(bytes, 0, len);
            }
            fileInputStream.close();
            outStream.close();
            outStream.flush();
        } catch (IOException e) {
            log.error("exception", e);
        }
    }

client 客户端

@GetMapping(value = "/{id}", consumes = MediaType.APPLICATION_JSON_UTF8_VALUE)
    feign.Response queryJobInfoLogDetail(@PathVariable("id") Long id);

服务消费者

    @GetMapping("/{id}")
    public void queryJobInfoLogInfoList(@PathVariable("id") Long id, HttpServletResponse servletResponse) {

        Response response = apiServices.queryJobInfoLogDetail(id);
        Response.Body body = response.body();

        InputStream fileInputStream = null;
        OutputStream outStream;
        try {
            fileInputStream = body.asInputStream();
            outStream = servletResponse.getOutputStream();

            byte[] bytes = new byte[1024];
            int len = 0;
            while ((len = fileInputStream.read(bytes)) != -1) {
                outStream.write(bytes, 0, len);
            }
            fileInputStream.close();
            outStream.close();
            outStream.flush();
        } catch (Exception e) {

        }
    }

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