java 是否可以使用 HttpClient 下载 PDF 之类的文件？
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Is it possible to download files like PDF with HttpClient?
提问by code511788465541441
I found some examples here on how to download a file but most of them seem to be using HttpURLConnection. is it possible to download files with HttpClient?
我在这里找到了一些关于如何下载文件的示例，但其中大多数似乎都在使用 HttpURLConnection。是否可以使用 HttpClient 下载文件？
回答by Matt
Using httpclient is pretty easy. Here's a link to it's tutorial.
使用 httpclient 非常简单。这是它的教程的链接。
http://hc.apache.org/httpcomponents-client-ga/tutorial/html/fundamentals.html#d5e43
http://hc.apache.org/httpcomponents-client-ga/tutorial/html/fundamentals.html#d5e43
HttpClient httpclient = new DefaultHttpClient();
HttpGet httpget = new HttpGet(urltofetch);
HttpResponse response = httpclient.execute(httpget);
HttpEntity entity = response.getEntity();
if (entity != null) {
long len = entity.getContentLength();
InputStream inputStream = entity.getContent();
// write the file to whether you want it.
}
回答by Francis Upton IV
Anything you can do with HttpURLConnectionyou can do, usually better, with HttpClientlook through their examples about file transfer and you will see how.
您可以做的任何事情HttpURLConnection通常都可以做得更好，通过HttpClient查看他们关于文件传输的示例，您将了解如何做。
