Java通過httpclient獲取cookie模擬登錄

package Step1;

import org.apache.commons.httpclient.Cookie;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
/**
 * 
	* @ClassName: HttpLogin 
	* @Description:  java通過httpclient獲取cookie模擬登錄
	* @author zeze
	* @date 2015年11月10日 下午4:18:08 
	*
 */

public class HttpLogin {

	public static void main(String[] args) {
		// 登陸 Url
		String loginUrl = "http://passport.mop.com/?targetUrl=http://hi.mop.com/?&g=1447141423230&loginCheck=UNLOGINED";
		// 需登陸后訪問的 Url
		String dataUrl = "http://hi.mop.com/?";
		HttpClient httpClient = new HttpClient();

		// 模擬登陸，按實際服務器端要求選用 Post 或 Get 請求方式
		PostMethod postMethod = new PostMethod(loginUrl);

		// 設置登陸時要求的信息，用戶名和密碼
		NameValuePair[] data = { new NameValuePair("loginName", "chzeze123"), new NameValuePair("loginPasswd", "**") };
		postMethod.setRequestBody(data);
		try {
			// 設置 HttpClient 接收 Cookie,用與瀏覽器一樣的策略
			httpClient.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
			int statusCode=httpClient.executeMethod(postMethod);
							
			// 獲得登陸后的 Cookie
			Cookie[] cookies = httpClient.getState().getCookies();
			StringBuffer tmpcookies = new StringBuffer();
			for (Cookie c : cookies) {
				tmpcookies.append(c.toString() + ";");
				System.out.println("cookies = "+c.toString());
			}
			if(statusCode==302){//重定向到新的URL
				System.out.println("模擬登錄成功");
				// 進行登陸后的操作
				GetMethod getMethod = new GetMethod(dataUrl);
				// 每次訪問需授權的網址時需帶上前面的 cookie 作為通行證
				getMethod.setRequestHeader("cookie", tmpcookies.toString());
				// 你還可以通過 PostMethod/GetMethod 設置更多的請求后數據
				// 例如，referer 從哪里來的，UA 像搜索引擎都會表名自己是誰，無良搜索引擎除外
				postMethod.setRequestHeader("Referer", "http://passport.mop.com/");
				postMethod.setRequestHeader("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36");
				httpClient.executeMethod(getMethod);
				// 打印出返回數據，檢驗一下是否成功
				String text = getMethod.getResponseBodyAsString();
				System.out.println(text);
			}
			else {
				System.out.println("登錄失敗");
			}
		}
		catch (Exception e) {
			e.printStackTrace();
		}
	}
}