HttpClient4基础2--通过认证代理访问网页
来源:互联网 发布:c语言变量 编辑:程序博客网 时间:2024/05/21 22:31
http://llying.iteye.com/blog/456502
HttpClient发布4.0了 而且底层完全重写了,据说无论是效率还是结构都有质的飞跃。
现在也要与时具进,研究研究。
- package test.httpclient4.proxy;
- import java.io.BufferedReader;
- import java.io.IOException;
- import java.io.InputStreamReader;
- import org.apache.http.HttpEntity;
- import org.apache.http.HttpHost;
- import org.apache.http.HttpResponse;
- import org.apache.http.HttpStatus;
- import org.apache.http.auth.AuthScope;
- import org.apache.http.auth.UsernamePasswordCredentials;
- import org.apache.http.client.ClientProtocolException;
- import org.apache.http.client.CredentialsProvider;
- import org.apache.http.client.HttpClient;
- import org.apache.http.client.methods.HttpGet;
- import org.apache.http.conn.params.ConnRoutePNames;
- import org.apache.http.impl.client.BasicCredentialsProvider;
- import org.apache.http.impl.client.DefaultHttpClient;
- import org.apache.http.util.EntityUtils;
- public class GetHttpByProxyCredentials {
- /**
- * @param args
- * @throws IOException
- * @throws ClientProtocolException
- */
- public static void main(String[] args) throws ClientProtocolException, IOException {
- //实例化一个HttpClient
- HttpClient httpClient = new DefaultHttpClient();
- //设定目标站点
- HttpHost httpHost = new HttpHost("www.shanhe114.com");
- //设置代理对象 ip/代理名称,端口
- HttpHost proxy = new HttpHost("proxy.tt", 8080);
- //实例化验证
- CredentialsProvider credsProvider = new BasicCredentialsProvider();
- //设定验证内容
- UsernamePasswordCredentials creds = new UsernamePasswordCredentials("fttj", "ft07");
- //创建验证
- credsProvider.setCredentials(
- new AuthScope(AuthScope.ANY_HOST, AuthScope.ANY_PORT),
- creds);
- httpClient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);
- ((DefaultHttpClient)httpClient).setCredentialsProvider(credsProvider);
- // 目标地址
- HttpGet httpget = new HttpGet("/");
- // 执行
- HttpResponse response = httpClient.execute(httpHost, httpget);
- if(HttpStatus.SC_OK==response.getStatusLine().getStatusCode()){
- //请求成功
- //取得请求内容
- HttpEntity entity = response.getEntity();
- //显示内容
- if (entity != null) {
- // 显示结果
- System.out.println(EntityUtils.toString(entity,"utf-8"));
- }
- if (entity != null) {
- entity.consumeContent();
- }
- }
- }
- }
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