爬虫语言java

[color=rgba(0, 0, 0, 0.87)]import org.apache.commons.httpclient.Credentials;import org.apache.commons.httpclient.HostConfiguration;import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.HttpMethod;import org.apache.commons.httpclient.HttpStatus;import org.apache.commons.httpclient.UsernamePasswordCredentials;import org.apache.commons.httpclient.auth.AuthScope;import org.apache.commons.httpclient.methods.GetMethod;import java.io.IOException;public class Main {    # 代理服务器(产品官网 www.16yun.cn)    private static final String PROXY_HOST = "t.16yun.cn";    private static final int PROXY_PORT = 31111;    public static void main(String[] args) {        HttpClient client = new HttpClient();        HttpMethod method = new GetMethod("https://httpbin.org/ip");        HostConfiguration config = client.getHostConfiguration();        config.setProxy(PROXY_HOST, PROXY_PORT);        client.getParams().setAuthenticationPreemptive(true);        String username = "16ABCCKJ";        String password = "712323";        Credentials credentials = new UsernamePasswordCredentials(username, password);        AuthScope authScope = new AuthScope(PROXY_HOST, PROXY_PORT);        client.getState().setProxyCredentials(authScope, credentials);        try {            client.executeMethod(method);            if (method.getStatusCode() == HttpStatus.SC_OK) {                String response = method.getResponseBodyAsString();                System.out.println("Response = " + response);            }        } catch (IOException e) {            e.printStackTrace();        } finally {            method.releaseConnection();        }    }}