轉載的:https://www.cnblogs.com/zhimingxin/p/8473883.html 請大家去這個連接查看,我只是備份一下
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";
// 需登陸後訪問的 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);
// 獲得登陸後的 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");
// 進行登陸後的操作
GetMethod getMethod = new GetMethod(dataUrl);
// 每次訪問需授權的網址時需帶上前面的 cookie 作爲通行證
getMethod.setRequestHeader("cookie", tmpcookies.toString());
// 你還可以通過 PostMethod/GetMethod 設置更多的請求後數據
// 例如,referer 從哪裏來的,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();
}
}
}