java中的HTTP多部分类 [英] HTTP multipart classes in java

问题描述

我正在尝试按照那个问题的答案

I'm trying to follow the answer to THAT question

但似乎默认的Android软件包中没有包含类，因为该代码：

But it seems that classes are not included with the default Android package since for that code:

File file = new File("FileToSend.txt");
HttpClient client = new HttpClient();

String url = "http://www.yourdomain.com/destination.php";
PostMethod postMethod = new PostMethod(url);

Part[] parts = {new FilePart(file.getName(), file)};
postMethod.setParameter("name", "value"); // set parameters like this instead in separate call

postMethod.setRequestEntity( new MultipartRequestEntity(parts, postMethod.getParams()));

int status = client.executeMethod(postMethod);

我有以下错误：

Cannot instantiate the type HttpClient
FilePart cannot be resolved to a type XXXXX.java
MultipartRequestEntity cannot be resolved to a type XXXXX.java
Part cannot be resolved to a type XXXXX.java
PostMethod cannot be resolved to a type XXXXX.java

如何我可以解决这些错误，我必须添加一些库吗？如果是，请让我知道如何下载它。

How can I solve those errors, is there some library I must add? if yes please let me know how can I download it.

推荐答案

HttpClient （现在）是一个界面。请改用 DefaultHttpClient 。这是您列出的其他一些替代课程：

HttpClient is (now) an interface. Use DefaultHttpClient instead. Here's replacement classes for some of the others you listed:

FilePart - FileBody
MultipartRequestEntity - MultipartEntity
Part - ContentBody
PostMethod - HttpPost

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