HtmlUnit自动填写表单并提交

场景：对网页的表单进行自动填写并提交，如登录框，和文章http://blog.csdn.net/fjssharpsword/article/details/51480475类似，不同的是这次button按钮没有id值和name值，只能通过value来获取。

Htmlunit官网：http://htmlunit.sourceforge.net/ 可下载包

代码：

package ebay;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.DomElement;import com.gargoylesoftware.htmlunit.html.DomNodeList;import com.gargoylesoftware.htmlunit.html.HtmlButton;import com.gargoylesoftware.htmlunit.html.HtmlButtonInput;import com.gargoylesoftware.htmlunit.html.HtmlForm;import com.gargoylesoftware.htmlunit.html.HtmlPage;import com.gargoylesoftware.htmlunit.html.HtmlPasswordInput;import com.gargoylesoftware.htmlunit.html.HtmlSubmitInput;import com.gargoylesoftware.htmlunit.html.HtmlTextInput;public class GGManage {public static void main(String[] args){String sUrl="IP";//网址//webclient设置WebClient webClient = new WebClient(BrowserVersion.CHROME); //创建一个webclient  webClient.getOptions().setJavaScriptEnabled(true); // 启动JS    webClient.getOptions().setUseInsecureSSL(true);//忽略ssl认证    webClient.getOptions().setCssEnabled(false);//禁用Css，可避免自动二次请求CSS进行渲染    webClient.getOptions().setThrowExceptionOnScriptError(false);//运行错误时，不抛出异常 webClient.getOptions().setThrowExceptionOnFailingStatusCode(false);webClient.setAjaxController(new NicelyResynchronizingAjaxController());// 设置Ajax异步  //登录try {HtmlPage page = (HtmlPage) webClient.getPage(sUrl);HtmlForm form=page.getForms().get(0);//page.getFormByName("");HtmlTextInput  txtUName = (HtmlTextInput )form.getInputByName("UserName"); //用户名text框txtUName.setValueAttribute("name");        HtmlPasswordInput txtPwd = (HtmlPasswordInput)form.getInputByName("Password");//密码框        txtPwd.setValueAttribute("password");        //submit没有name，只有class和value属性，通过value属性定位元素        HtmlSubmitInput submit=(HtmlSubmitInput) form.getInputByValue("登 录");        page = (HtmlPage) submit.click();//登录进入        webClient.waitForBackgroundJavaScript(10000);//等待1秒                System.out.println(page.asText());}catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}}