java - 无法在 Apache CXF + JAX-RS 中同时将字符串和文件作为参数发送到 Web 服务

Question

我正在尝试创建一个文件上传 Web 服务，它还需要一些字符串作为我项目的一小部分作为参数传递...

到目前为止，我已经成功创建了一个文件上传网络服务。但仅当我仅传递要作为输入上传的文件时，它才有效。现在我修改了网络服务以接受一些参数。但这给了我错误:

java.lang.IllegalArgumentException: URLDecoder: Illegal hex characters in escape (%) pattern - For input string: "&'"

我不会在这里复制整个堆栈跟踪，我觉得这毫无意义。这是我的网络服务:

    @POST 
@Path("/postdata") 
@Consumes(MediaType.MULTIPART_FORM_DATA)
public void postData3(List<Attachment> atts, @FormParam("username") final String username, @Context HttpServletRequest request)
{
    System.out.println(username);
    String home = "/home/yashdosi/s";
    for(Attachment att : atts)
    {
        DataHandler dataHandler = att.getDataHandler();
        try 
        {
            InputStream stream = dataHandler.getInputStream();
            MultivaluedMap map = att.getHeaders();
            OutputStream out = new FileOutputStream(new File(home + "//" + getFileName(map)));

            int read = 0;
            byte[] bytes = new byte[1024];
            while ((read = stream.read(bytes)) != -1) {
                out.write(bytes, 0, read);
            }
            stream.close();
            out.flush();
            out.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

这是我的 Java 客户端:

        HttpClient httpclient = new DefaultHttpClient();
    try {
        HttpPost httppost = new HttpPost("http://localhost:8080/fileupload-ws/services/postdata");

        FileBody img = new FileBody(new File("/home/yashdosi/1.jpg"));
        FileBody html = new FileBody(new File("/home/yashdosi/hotmail.html"));
        StringBody contentBody = new StringBody("some.email@gmail.com");

        MultipartEntity reqEntity = new MultipartEntity();
        reqEntity.addPart("image", img);
        reqEntity.addPart("html", html);
        reqEntity.addPart("username", contentBody);

        httppost.setEntity(reqEntity);
        //httppost.setHeader("Content-Type", "multipart/form-data");

        System.out.println("executing request " + httppost.getRequestLine());
        HttpResponse response = httpclient.execute(httppost);
        HttpEntity resEntity = response.getEntity();

        System.out.println("----------------------------------------");
        System.out.println(response.getStatusLine());
        if (resEntity != null) {
            System.out.println("Response content length: " + resEntity.getContentLength());
        }
        EntityUtils.consume(resEntity);
    }
    catch(Exception e)
    {
        e.printStackTrace();
    }
    finally {
        try { httpclient.getConnectionManager().shutdown(); } catch (Exception ignore) {}
    }

有什么想法导致此错误吗？或者我应该如何解决这个问题!？

Answer 1

尝试使用 @MultiPart(value="image") 表示图像，@MultiPart(value="html") 表示 html 和 @MultiPart(value ="username") 用于内容正文。为我工作。