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我正在向服务器发送一个多部分请求,其中将包含一个图像以及几个字符串。我还没有找到任何关于如何完成这项工作的指南,我所发现的只是如何发布和获取和放置等,但在 multipart 上什么也没有。我会很高兴得到任何帮助,谢谢

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2 回答 2

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这里有一个使用 @Rest 接口声明它的示例,这里有一个使用 Spring Android 的示例(AA 用于生成客户端类)

总之,您可以使用这样的东西(此代码未经测试):

@Rest(rootUrl = "http://mycompany.com/images", converters = FormHttpMessageConverter.class) public interface RestClient { @Post("/loadimage") void sendImage(MultiValueMap formfields); } @EActivity public class MyActivity extends Activity { @RestService RestClient restClient; //Inject it void sendImage(InputStream in) { MultiValueMap values = new org.springframework.util.LinkedMultiValueMap<String,Object>(); try { values.put("fileName", "a.jpg"); values.put("file", in); restClient.sendImage(values); } finally { in.close(); } } }

于 2014-01-24T13:12:40.603 回答
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试试这个:

   String url = "here_your_url";
   File image = new File("here_your_image's_route");

   HttpClient httpClient    = new DefaultHttpClient();
   HttpPost httpPost        = new HttpPost(url);

然后:

   MultipartEntityBuilder multipartEntity = MultipartEntityBuilder.create();

   multipartEntity.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);
   multipartEntity.addPart("image", new FileBody(image));

   final HttpEntity requestEntity = multipartEntity.build();

   //You can add more HttpEntity
   httpPost.setEntity(requestEntity);

   HttpResponse response = httpClient.execute(httpPost);

   StatusLine statusLine = response.getStatusLine();
   int statusCode        = statusLine.getStatusCode();

   if(statusCode == HttpStatus.SC_OK) {
        //everything is correct
   } else {
        //something has gone wrong
   }

我为此使用了三个库:

  • httpcore-4.3.jar
  • httpmime-4.3.1.jar
  • apache-mime4j-0.4.jar

检查:http://hc.apache.org/downloads.cgi,我认为后者不在这里,看看别处。

于 2014-01-23T20:49:44.983 回答