HttpClient4.X的代理添加实现

HttpClient4.X的代理添加实现

<b>[java] </b>查看纯文本

package  org.yla.test;

import  java.net.URI;

import  java.util.ArrayList;

import  java.util.List;

import  org.apache.commons.httpclient.HttpClient;

import  org.apache.commons.httpclient.methods.GetMethod;

import  org.apache.http.Header;

导入 org.apache.http.HttpEntity;

import  org.apache.http.HttpHost;

导入 org.apache.http.auth.AuthScope;

import  org.apache.http.auth.Credentials;

import  org.apache.http.auth.UsernamePasswordCredentials;

导入 org.apache.http.client.CredentialsProvider;

import  org.apache.http.client.entity.UrlEncodedFormEntity;

import  org.apache.http.client.methods.CloseableHttpResponse;

import  org.apache.http.client.methods.HttpGet;

import  org.apache.http.client.methods.HttpPost;

import  org.apache.http.impl.client.BasicCredentialsProvider;

import  org.apache.http.impl.client.CloseableHttpClient;

import  org.apache.http.impl.client.HttpClientBuilder;

import  org.apache.http.impl.client.HttpClients;

import  org.apache.http.message.BasicNameValuePair;

import  org.apache.http.util.EntityUtils;

import  org.junit.Test;

公共类 HttpClientTest {

    String url =  “xxxxxxxxxxxxxxxxxxxxxxxxx” ;

    String ip =  “202.107.233.85” ;

    int  port =  8080 ;

    字符串用户名=  “” ;

    String password =  “” ;

    / **

     *使用HttpClient4实现代理202.107.233.85 8080

     * 

     * @异常

     * /

    @测试

    公共无效 test1（）  抛出 异常{

        HttpClientBuilder build = HttpClients.custom（）;

        HttpHost proxy =  new  HttpHost（ip，port）;

        CloseableHttpClient client = build.setProxy（proxy）.build（）;

        HttpGet request =  new  HttpGet（url）;

        CloseableHttpResponse response = client.execute（request）;

        HttpEntity entity = response.getEntity（）;

        的System.out.println（EntityUtils.toString（实体））;

    }

     *使用httpclient3实现代理

    公共无效 test2（）  抛出 异常{

        HttpClient httpClient =  new  HttpClient（）;

        httpClient.getHostConfiguration（）。setProxy（ip，port）;

        GetMethod方法=  new  GetMethod（url）;

        httpClient.executeMethod（方法）;

        String result =  new  String（method.getResponseBody（））;

        的System.out.println（结果）;

     *使用httpclient4实现代理（带密码的代理）

    公共无效 test3（）  抛出 异常{

        CredentialsProvider credentialsProvider =  new  BasicCredentialsProvider（）;

        AuthScope authscope =  new  AuthScope（ip，port）;

        凭证凭证=  新的 UsernamePasswordCredentials（用户名，

                密码）;

        credentialsProvider.setCredentials（authscope，credentials）;

        CloseableHttpClient client = build.setDefaultCredentialsProvider（

                credentialsProvider）.build（）;

     *使用httpclient3实现代理（带密码的代理）

    公共无效 test4（）  抛出 异常{

        org.apache.commons.httpclient.auth.AuthScope authscope =  new  org.apache.commons.httpclient.auth.AuthScope（

                ip，port）;

        org.apache.commons.httpclient.Credentials credentials =  new org.apache.commons.httpclient.UsernamePasswordCredentials（

                用户名密码）;

        httpClient.getState（）。setProxyCredentials（authscope，credentials）;

     *模拟登录官网（http：//mis.pyc.com.cn？

    公共无效 testLogin（）  抛出 异常{

        CloseableHttpClient client = build.build（）;

        HttpPost post =  new  HttpPost（“http://mis.pyc.com.cn/login.aspx” ）;

        List &lt;BasicNameValuePair&gt; params =  new  ArrayList &lt;BasicNameValuePair&gt;（）;

        params.add（new  BasicNameValuePair（“ __VIEWSTATE ” ，

                “/ wEPDwUJNjUwNzE0MTM4ZGQzh + vF2xGjdG8Q15kIqgR0CpxhmPucdCqZOPcglRZr / w ==” ））;

        params.add（new  BasicNameValuePair（

                “__EVENTVALIDATION” ，

                “/ wEWBQLYtKSdCALEhISFCwKd + 7qdDgKC3IeGDAK7q7GGCOqhJpRD8S8yy3ZAlPTSsmPzRUoXMK0mQvGgzlk6hm + G” ））;

        params.add（new  BasicNameValuePair（“txtName” ，  “xxxxx” ））;

        params.add（new  BasicNameValuePair（“txtPwd” ，  “xxxxxx” ））;

        params.add（new  BasicNameValuePair（“btnLogin” ，  “xxxx” ））;

        HttpEntity entity =  new  UrlEncodedFormEntity（params，  “UTF-8” ）;

        post.setEntity（实体）;

        CloseableHttpResponse response = client.execute（post）;

        int  statusCode = response.getStatusLine（）。getStatusCode（）;

        System.err.println（“状态”  + statusCode）;

        if  （statusCode ==  302 ）{

            Header [] location = response.getHeaders（“location” ）;

            String rediretUrl =  null ;

            if  （location.length ==  1 ）{

                rediretUrl =  “http://mis.pyc.com.cn”  + location [ 0 ] .getValue（）;

                System.err.println（“跳转地址：”  + rediretUrl）;

            }

            Header [] allHeaders = response.getAllHeaders（）;

            System.out.println（“================== response ===================” ）;

            for  （Header header：allHeaders）{

                System.err.println（header.getName（）+  “：”  + header.getValue（））;

            标头cookieHeader = response.getFirstHeader（“Set-Cookie” ）;

            String cookie = cookieHeader.getValue（）;

            System.out.println（“cookie：”  + cookie）;

            HttpGet httpGet =  new  HttpGet（rediretUrl）;

            httpGet.addHeader（“Accept” ，

                    “text / html，application / xhtml + xml，application / xml; q = 0.9，image / webp，* / *; q = 0.8” ）;

            // httpGet.addHeader（“Accept-Encoding”，“gzip，deflate，sdch”）;

            // httpGet.addHeader（“Accept-Language”，“zh-CN，zh; q = 0.8”）;

            httpGet.addHeader（“Connection” ，  “keep-alive” ）;

            httpGet.addHeader（“Cookie” ，cookie）;

            httpGet.addHeader（“Host” ，  “mis.pyc.com.cn” ）;

            httpGet.addHeader（“Referer” ，  “http://mis.pyc.com.cn/login.aspx” ）;

            httpGet.addHeader（

                    “用户代理” ，

                    “ozilla / 5.0（Windows NT 6.1; WOW64）AppleWebKit / 537.36（KHTML，如Gecko）Chrome / 40.0.2214.115 Safari / 537.36” ）;

            response = client.execute（httpGet）;

            HttpEntity entity2 = response.getEntity（）;

            System.out的

                    .println（“---------------------------------------------- “ ）;

            的System.out.println（EntityUtils.toString（ENTITY2））;

        }

}