• java 檔案上傳

    private static String uploadFile(File file, String url) {
        CloseableHttpClient httpClient = null;
        String result = "";
        try {
            httpClient = HttpClients.createDefault();
            HttpPost post = new HttpPost(url);
            RequestConfig config = RequestConfig
                    .custom()
                    .setConnectTimeout(
 
200000)
                    .setConnectionRequestTimeout(200000)
                    .setSocketTimeout(200000)
                    .build();
            MultipartEntityBuilder builder = MultipartEntityBuilder.create();
            builder.addBinaryBody("image_file", file);
            post.setEntity(builder.build());
            post.setConfig(config);
            HttpResponse response 
 
= httpClient.execute(post);
            int statusCode = response.getStatusLine().getStatusCode();
            if (statusCode == HttpStatus.SC_OK) {
                HttpEntity resEntity = response.getEntity();
                if (resEntity != null) {
                    result = EntityUtils.toString(resEntity, "UTF-8");
                }
            }
        } 
 
catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                httpClient.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        System.out.println("返回結果:" + result);
        return result;
    }