htmlUnit 校验验证码 

直接上代码

1     　　String url = "http://www.zycg.gov.cn/"; 2          3         WebclientUtil webClientUtils = new WebclientUtil(); 4         WebClient webClient = webClientUtils.getWebClient(); 5          6         HtmlPage page = webClient.getPage(url); 7                      8         HtmlElement username = page.getFirstByXPath("//*[@id='u_name']"); 9         HtmlElement password = page.getFirstByXPath("//*[@id='u_pwd1']");10         HtmlElement valiCode = page.getFirstByXPath("//*[@id='yzm']");11         HtmlImage valiCodeImg = (HtmlImage) page.getFirstByXPath("//*[@id='img_random']");12         ImageReader imageReader = valiCodeImg.getImageReader();13         BufferedImage bufferedImage = imageReader.read(0);14 15         JFrame f2 = new JFrame();16         JLabel l = new JLabel();17         l.setIcon(new ImageIcon(bufferedImage));18         f2.getContentPane().add(l);19         f2.setSize(100, 100);20         f2.setTitle("验证码");21         f2.setVisible(true);22         23         String valicodeStr = JOptionPane.showInputDialog("请输入验证码：");24         f2.setVisible(false);25         HtmlForm submit = page.getFirstByXPath("//*[@id='submitForm']");26         27         username.click();28         username.type("zhongkeruan");29         password.click();30         password.type("62570007");31         valiCode.click();32         valiCode.type(valicodeStr);33         34         35         ScriptResult result = page.executeJavaScript("dl()");36         page = (HtmlPage) result.getNewPage();37         38         if(page.asText().contains("下一页")){39             System.out.println("登录成功");40         }else{41             System.out.println("登录失败");42         }43         System.out.println(page.asText());