1　 <dependencies>

     <dependency>

         <groupId>junit</groupId>

         <artifactId>junit</artifactId>

         <version>${junit.version}</version>

         <scope>test</scope>

     </dependency>

     <dependency>

         <groupId>com.alibaba</groupId>

         <artifactId>fastjson</artifactId>

         <version>1.2.47</version>

     </dependency>

     <dependency>

         <groupId>org.jsoup</groupId>

         <artifactId>jsoup</artifactId>

         <version>1.11.3</version>

     </dependency>

     <dependency>

19         <groupId>net.sourceforge.htmlunit</groupId>

20         <artifactId>htmlunit</artifactId>

21         <version>2.18</version>

22     </dependency>

   </dependencies>

 public static void main(String[] args) throws Exception {

         WebClient webClient = new WebClient(BrowserVersion.CHROME);

         webClient.getOptions().setJavaScriptEnabled(true);

         webClient.getOptions().setCssEnabled(true);

         webClient.getOptions().setThrowExceptionOnScriptError(false);

     //    webClient.getOptions().setThrowExceptionOnFailingStatusCode(true);

         webClient.getOptions().setActiveXNative(false);

         //ajax

         webClient.setAjaxController(new NicelyResynchronizingAjaxController());

         webClient.getOptions().setUseInsecureSSL(false);

         //允许重定向

         webClient.getOptions().setRedirectEnabled(true);

         //连接超时

         webClient.getOptions().setTimeout(5000);

         //js执行超时

         webClient.setJavaScriptTimeout(10000*3);

         //对于此网站务必开启

         webClient.getCookieManager().setCookiesEnabled(true);

         String url = "https://www.zuhaowan.com/login/";

         HtmlPage page = webClient.getPage(url);

         webClient.waitForBackgroundJavaScript(5000);

         HtmlPage newPage = readyPage(page, webClient);

     //    String content1 = newPage.asXml();

     //    IOUtils.write(content1.getBytes(),new FileWriter(new File("f:/content1.txt")));

         //如果页面url没有变化重新进行一次登录

         if(newPage.getUrl().toString().equals(url)) {

             System.out.println("出现错误请重新登录-------------");

             HtmlPage result = readyPage(newPage,webClient);

             System.out.println("url----------------"+result.getUrl());

             System.out.println("页面----" + result.asXml());

         //    IOUtils.write(result.asXml(),new FileWriter(new File("f:/content2.txt")));

         }

         webClient.close();

     }

     public static HtmlPage readyPage(HtmlPage page,WebClient webClient) throws Exception {

         //封装页面元素

         HtmlForm form  = page.getHtmlElementById("form2");

         HtmlTextInput loginname = form.getInputByName("loginname");

         loginname.setValueAttribute("用户名");

         HtmlPasswordInput loginpwd = form.getInputByName("loginpwd");

         loginpwd.setValueAttribute("密码");

         //验证码输入框

         HtmlTextInput verify_code = form.getInputByName("verify_code");

         //验证码图片

         HtmlImage verify_img = (HtmlImage) page.getElementById("verify_img");

         UUID randomUUID = UUID.randomUUID();

         //保存

         verify_img.saveAs(new File("./src/main/resources/image/verifyimg"+ randomUUID.toString() +".png"));

         System.out.println("验证码图片已保存!");

         System.out.println("请输入验证码");

         //手动输入验证码

         Scanner scanner = new Scanner(System.in);

         String code = scanner.nextLine();

         System.out.println("验证码-------------" + code);

         verify_code.setValueAttribute(code);

         //登录按钮也可以使用page.executeJavaScript("javascript:document.getElementById('loginsubmit').click()").getNewPage();

         HtmlAnchor login = page.getHtmlElementById("loginsubmit");

         HtmlPage newPage = login.click();

         //等待js加载

         webClient.waitForBackgroundJavaScript(5000);

         return newPage;

     }