Java带有验证码的模拟登陆

需求：

最近得到一个需求，需要模拟登陆网页，然后通过网页接口获取相应数据。一共两个网页，其中没有验证码的网页比较容易的模拟登陆成功。但是另一个带有验证码（图片）却总是登陆失败。

代码：获取识别后的验证码

public class AliYun {private static Logger logger = Logger.getLogger(AliYun.class);// 通过图片请求地址 获取图片Base64编码public static String getImageStrFromUrl(String imgURL) {byte[] data = null;InputStream inStream = null;try {// 创建URLURL url = new URL(imgURL);// 创建链接 （注意：稍后更改代码在这一部分）HttpURLConnection conn = (HttpURLConnection) url.openConnection();conn.setRequestMethod("GET");conn.setConnectTimeout(5 * 1000);inStream = conn.getInputStream();BufferedImage src = ImageIO.read(inStream);File file = new File("D:\\temp.jpg");ImageIO.write(src, "jpg", file);InputStream inputStream = new FileInputStream(file);data = new byte[inputStream.available()];inputStream.read(data);} catch (IOException e) {e.printStackTrace();} finally {try {inStream.close();} catch (IOException e) {e.printStackTrace();}}// 对字节数组Base64编码BASE64Encoder encoder = new BASE64Encoder();// 返回Base64编码过的字节数组字符串return encoder.encode(data);}//获取识别后的验证码public static String getLoginCode(String imgPath) {String baseImg = getImageStrFromUrl(imgPath);//base64转换baseImg = baseImg.replaceAll("\\r\\n", "");String host = "http://jisuyzmsb.";String path = "/captcha/recognize";String appcode = "你购买接口之后的Code";Map<String, String> bodys = new HashMap<String, String>();bodys.put("pic", baseImg);HttpRequest request = HttpRequest.post(host + path + "?type=en4", bodys, true).header("Authorization", "APPCODE " + appcode).header("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");String result = request.body();logger.debug("阿里云接口识别结果：" + result);JSONObject jsonObject = JSON.parseObject(result);if (jsonObject.containsKey

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