模拟百度点击

import java.io.IOException;
import java.net.MalformedURLException;

import com.gargoylesoftware.htmlunit.BrowserVersion;
import com.gargoylesoftware.htmlunit.FailingHttpStatusCodeException;
import com.gargoylesoftware.htmlunit.WebClient;
import com.gargoylesoftware.htmlunit.html.HtmlForm;
import com.gargoylesoftware.htmlunit.html.HtmlPage;
import com.gargoylesoftware.htmlunit.html.HtmlSubmitInput;
import com.gargoylesoftware.htmlunit.html.HtmlTextInput;

public class Setcontent {
public static void main(String[] args) {

try {
WebClient client=new WebClient(BrowserVersion.INTERNET_EXPLORER_6);
HtmlPage page=client.getPage("http://www.baidu.com/");
HtmlForm form = page.getFormByName("f");
HtmlTextInput text= form.getInputByName("wd");
HtmlSubmitInput submit = form.getInputByValue("百度一下");
text.setValueAttribute("root");
HtmlPage page2=submit.click();
System.out.println(page2.asXml());

} catch (FailingHttpStatusCodeException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}
}