如何使用apache http客户端库4.1设置自定义User-Agent? [英] How to set custom User-Agent with apache http client library 4.1?
本文介绍了如何使用apache http客户端库4.1设置自定义User-Agent?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如何使HTTPClient使用自定义User-Agent标头?
How to make HTTPClient use custom User-Agent header?
以下代码提交空用户代理。我缺少什么?
The following code submits empty user-agent. What am I missing?
import java.io.IOException;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.CoreProtocolPNames;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.HttpContext;
import org.apache.http.util.EntityUtils;
public class TestHTTP {
public static void main(String[] args) throws ClientProtocolException, IOException {
HttpGet request = new HttpGet("http://tool.keepmeapi.com/echo");
HttpContext HTTP_CONTEXT = new BasicHttpContext();
HTTP_CONTEXT.setAttribute(CoreProtocolPNames.USER_AGENT, "Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101206 Ubuntu/10.10 (maverick) Firefox/3.6.13");
request.setHeader("Referer", "http://www.google.com");
HttpClient httpClient = new DefaultHttpClient();
HttpResponse response = httpClient.execute(request, HTTP_CONTEXT);
if (response.getStatusLine().getStatusCode() < 200 || response.getStatusLine().getStatusCode() >= 400) {
throw new IOException("Got bad response, error code = " + response.getStatusLine().getStatusCode());
}
HttpEntity entity = response.getEntity();
if (entity != null) {
System.out.println(EntityUtils.toString(entity));
EntityUtils.consume(entity);
}
}
}
推荐答案
该行
request.setHeader(User-Agent,MySuperUserAgent);
缺失。添加它并享受。
这篇关于如何使用apache http客户端库4.1设置自定义User-Agent?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文