Java using htmlunit analog login Crawl Sina microblog page

Import java.io.IOException;
Import java.net.MalformedURLException;
Import com.gargoylesoftware.htmlunit.BrowserVersion;
Import com.gargoylesoftware.htmlunit.FailingHttpStatusCodeException;
Import Com.gargoylesoftware.htmlunit.NicelyResynchronizingAjaxController;
Import com.gargoylesoftware.htmlunit.WebClient;
Import Com.gargoylesoftware.htmlunit.html.HtmlInput;
Import Com.gargoylesoftware.htmlunit.html.HtmlPage;


public class Sinalogintest {
public static void Main (string[] args) throws Failinghttpstatuscodeexception, Malformedurlexception, IOException, interruptedexception {
WebClient client = new WebClient (browserversion.firefox_24);
Client.getoptions (). Setjavascriptenabled (True); The default execution of JS, if you do not perform JS, you may fail to login, because the user name Password box requires JS to draw.
Client.getoptions (). setcssenabled (false);
Client.setajaxcontroller (New Nicelyresynchronizingajaxcontroller ());
Client.getoptions (). Setthrowexceptiononscripterror (false);

HtmlPage page = Client.getpage ("Http://login.sina.com.cn/sso/login.php?client=ssologin.js (v1.3.16)");
System.out.println (Page.astext ());

Login
Htmlinput ln = Page.gethtmlelementbyid ("username");
Htmlinput pwd = Page.gethtmlelementbyid ("password");
Htmlinput btn = Page.getfirstbyxpath (".//*[@id = ' vform ']/div[3]/ul/li[6]/div[2]/input ');

Ln.setattribute ("Value", "Change here to your username");
Pwd.setattribute ("Value", "Change here to your password");

HtmlPage Page2 = Btn.click ();
Login is complete and you can now crawl any page you want.
System.out.println ("\n\n\n");
System.out.println (Page2.astext ());

HtmlPage Page3 = client.getpage ("http://weibo.com/friends?leftnav=1&wvr=5&isfriends=1&step=2");
System.out.println (":" + page3.asxml ());

Client.closeallwindows ();
}

}

< note > Retrieve HTML (for Page3, Page3.asxml ()) just use the positive to get what you want.