java抓取有验证的页面内容

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package zz.test.ssm.controller;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import javax.servlet.http.HttpServletRequest;import org.apache.commons.codec.binary.Base64;import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.HttpException;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 org.apache.commons.httpclient.methods.PostMethod;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.bind.annotation.ResponseBody;@Controller@RequestMapping(value = "/mq")public class MqQueueController {    @RequestMapping(value = "queue", method = RequestMethod.GET)    @ResponseBody    public String getMqQueue(HttpServletRequest request) throws HttpException, IOException {        String response = "";        String queueName = request.getParameter("queue");        String username = "user";        String password = "pass";        String url = "http://192.168.50.2:1002/api/queues/%2Femsfeedback/"+queueName;          HttpClient client = new HttpClient();        client.getState().setCredentials(                new AuthScope("192.168.50.2", 1002),                new UsernamePasswordCredentials(username, password));        GetMethod get = new GetMethod( url );        get.setDoAuthentication( true );        int status = client.executeMethod( get );        response = get.getResponseBodyAsString();        System.out.println(status+ "\n" + get.getResponseBodyAsString());        get.releaseConnection();        return response;    }}

参考：
http://www.blogjava.net/jelver/articles/162339.html
http://www.cnblogs.com/loveyakamoz/archive/2011/07/21/2113247.html

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