com.google.code.kaptcha.Producer.createImage()方法的使用及代码示例

x33g5p2x  于2022-01-26 转载在 其他  
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本文整理了Java中com.google.code.kaptcha.Producer.createImage()方法的一些代码示例，展示了Producer.createImage()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Producer.createImage()方法的具体详情如下：
包路径：com.google.code.kaptcha.Producer
类名称：Producer
方法名：createImage

Producer.createImage介绍

[英]Create an image which will have written a distorted text.
[中]创建一个将书写扭曲文本的图像。

代码示例

代码示例来源：origin: stylefeng/Guns

  1. BufferedImage bi = producer.createImage(capText);
  2. ServletOutputStream out = null;
  3. try {

代码示例来源：origin: timebusker/spring-boot

  1. /**
  2.  * 获取验证码
  3.  *
  4.  * @throws CommonException
  5.  * @throws IOException
  6.  */
  7. @RequestMapping("/authcode")
  8. public void captcha() throws CommonException, IOException {
  9.   response.setHeader("Cache-Control", "no-store, no-cache");
  10.   response.setContentType("image/jpeg");
  11.   //生成文字验证码
  12.   String text = producer.createText();
  13.   //生成图片验证码
  14.   BufferedImage image = producer.createImage(text);
  15.   //保存到shiro session
  16.   session.setAttribute(Constants.KAPTCHA_SESSION_KEY, text);
  17.   // 输出验证码图片到页面
  18.   ServletOutputStream out = response.getOutputStream();
  19.   ImageIO.write(image, "jpg", out);
  20.   IOUtils.closeQuietly(out);
  21. }

代码示例来源：origin: pig4cloud/pig

  1. /**
  2.  * 创建验证码
  3.  *
  4.  * @param request request
  5.  * @throws Exception
  6.  */
  7. @GetMapping(SecurityConstants.DEFAULT_VALIDATE_CODE_URL_PREFIX + "/{randomStr}")
  8. public void createCode(@PathVariable String randomStr, HttpServletRequest request, HttpServletResponse response)
  9.     throws Exception {
  10.   Assert.isBlank(randomStr, "机器码不能为空");
  11.   response.setHeader("Cache-Control", "no-store, no-cache");
  12.   response.setContentType("image/jpeg");
  13.   //生成文字验证码
  14.   String text = producer.createText();
  15.   //生成图片验证码
  16.   BufferedImage image = producer.createImage(text);
  17.   userService.saveImageCode(randomStr, text);
  18.   ServletOutputStream out = response.getOutputStream();
  19.   ImageIO.write(image, "JPEG", out);
  20.   IOUtils.closeQuietly(out);
  21. }

代码示例来源：origin: com.github.livesense/org.liveSense.service.captcha

  1. @Override
  2. public BufferedImage getImage(String id, String text, Locale locale) {
  3.   // create the text for the image
  4.   String capText = this.kaptchaProducer.createText();
  5.   codeTexts.put(id, capText);
  6.   return this.kaptchaProducer.createImage(capText);
  7. }

代码示例来源：origin: com.github.livesense/org.liveSense.service.captcha

  1. @Override
  2. public BufferedImage getImage(String id, String text, Locale locale) {
  3.   // create the text for the image
  4.   String capText = this.kaptchaProducer.createText();
  5.   codeTexts.put(id, capText);
  6.   return this.kaptchaProducer.createImage(capText);
  7. }

代码示例来源：origin: muyinchen/migo-security

  1. @RequestMapping("captcha.jpg")
  2. public void captcha(HttpServletResponse response)throws ServletException, IOException {
  3.   response.setHeader("Cache-Control", "no-store, no-cache");
  4.   response.setContentType("image/jpeg");
  5.   //生成文字验证码
  6.   String text = producer.createText();
  7.   //生成图片验证码
  8.   BufferedImage image = producer.createImage(text);
  9.   //保存到shiro session
  10.   ShiroUtils.setSessionAttribute(Constants.KAPTCHA_SESSION_KEY, text);
  11.   ServletOutputStream out = response.getOutputStream();
  12.   ImageIO.write(image, "jpg", out);
  13. }

代码示例来源：origin: zhaoqicheng/renren-fast

  1. @RequestMapping("captcha.jpg")
  2. public void captcha(HttpServletResponse response)throws ServletException, IOException {
  3.   response.setHeader("Cache-Control", "no-store, no-cache");
  4.   response.setContentType("image/jpeg");
  5.   //生成文字验证码
  6.   String text = producer.createText();
  7.   //生成图片验证码
  8.   BufferedImage image = producer.createImage(text);
  9.   //保存到shiro session
  10.   ShiroUtils.setSessionAttribute(Constants.KAPTCHA_SESSION_KEY, text);
  11.   ServletOutputStream out = response.getOutputStream();
  12.   ImageIO.write(image, "jpg", out);
  13.   IOUtils.closeQuietly(out);
  14. }

代码示例来源：origin: opplus/springboot-admin

  1. @RequestMapping("/captcha.jpg")
  2. public void captcha(HttpServletResponse response)throws ServletException, IOException {
  3.   response.setHeader("Cache-Control", "no-store, no-cache");
  4.   response.setContentType("image/jpeg");
  5.   //生成文字验证码
  6.   String text = producer.createText();
  7.   //生成图片验证码
  8.   BufferedImage image = producer.createImage(text);
  9.   //保存到shiro session
  10.   ShiroUtils.setSessionAttribute(Constants.KAPTCHA_SESSION_KEY, text);
  11.   ServletOutputStream out = response.getOutputStream();
  12.   ImageIO.write(image, "jpg", out);
  13.   IOUtils.closeQuietly(out);
  14. }

代码示例来源：origin: tumao2/hdw-dubbo

  1. @GetMapping("captcha.jpg")
  2. public void kaptcha(HttpServletResponse response, String uuid) throws IOException {
  3.   logger.info("前台请求的UUID:" + uuid);
  4.   if (StringUtils.isBlank(uuid)) {
  5.     throw new RuntimeException("uuid不能为空");
  6.   }
  7.   //生成文字验证码
  8.   String code = producer.createText();
  9.   redisService.set(uuid, code);
  10.   response.setHeader("Cache-Control", "no-store,no-cache");
  11.   response.setContentType("image/jpeg");
  12.   BufferedImage image = producer.createImage(code);
  13.   ServletOutputStream outputStream = response.getOutputStream();
  14.   ImageIO.write(image, "jpg", outputStream);
  15.   IOUtils.closeQuietly(outputStream);
  16. }

代码示例来源：origin: cn.bestwu.simpleframework/simpleframework-core

  1. @NoRequestLogging
  2.  @GetMapping("/captcha.jpg")
  3.  public void captcha(HttpServletRequest request, HttpServletResponse response)
  4.    throws IOException {
  5.   response.setHeader("Cache-Control", "no-store, no-cache");
  6.   response.setContentType("image/jpeg");
  7.   //生成文字验证码
  8.   String text = producer.createText();
  9.   //生成图片验证码
  10.   BufferedImage image = producer.createImage(text);
  11.   //保存到 session
  12.   request.getSession().setAttribute(Constants.KAPTCHA_SESSION_KEY, text);
  13.   ServletOutputStream out = response.getOutputStream();
  14.   ImageIO.write(image, "jpg", out);
  15.  }
  16. }

代码示例来源：origin: liuweijw/fw-cloud-framework

  1. /**
  2.  * 创建验证码
  3.  */
  4. @GetMapping(SecurityConstant.DEFAULT_VALIDATE_CODE_URL_PREFIX + "/{randomStr}")
  5. public void createCode(@PathVariable String randomStr, HttpServletRequest request,
  6.     HttpServletResponse response) throws Exception {
  7.   response.setHeader("Cache-Control", "no-store, no-cache");
  8.   response.setContentType("image/jpeg");
  9.   // 生成文字验证码
  10.   String text = producer.createText();
  11.   // 生成图片验证码
  12.   BufferedImage image = producer.createImage(text);
  13.   userService.saveImageCode(randomStr, text);
  14.   ServletOutputStream out = response.getOutputStream();
  15.   ImageIO.write(image, "JPEG", out);
  16.   IOUtils.closeQuietly(out);
  17. }

代码示例来源：origin: yzcheng90/X-SpringBoot

  1. /**
  2.  * 验证码
  3.  */
  4. @RequestMapping("captcha.jpg")
  5. public void captcha(HttpServletResponse response)throws ServletException, IOException {
  6.   response.setHeader("Cache-Control", "no-store, no-cache");
  7.   response.setContentType("image/jpeg");
  8.   //生成文字验证码
  9.   String text = producer.createText();
  10.   //生成图片验证码
  11.   BufferedImage image = producer.createImage(text);
  12.   //保存到shiro session
  13.   ShiroUtils.setSessionAttribute(Constants.KAPTCHA_SESSION_KEY, text);
  14.   ServletOutputStream out = response.getOutputStream();
  15.   ImageIO.write(image, "jpg", out);
  16.   IOUtils.closeQuietly(out);
  17. }

代码示例来源：origin: FenixEdu/fenixedu-academic

  1. @Override
  2. public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
  3.     throws Exception {
  4.   response.setHeader("Cache-Control", "no-store, no-cache");
  5.   // return a jpeg
  6.   response.setContentType("image/jpeg");
  7.   // create the text for the image
  8.   String capText = kaptchaProducer.createText();
  9.   // create the image with the text
  10.   BufferedImage bi = kaptchaProducer.createImage(capText);
  11.   try (ServletOutputStream out = response.getOutputStream()) {
  12.     // write the data out
  13.     ImageIO.write(bi, "jpg", out);
  14.     request.getSession().setAttribute(KAPTCHA_SESSION_KEY, new KaptchaSession(capText));
  15.     return null;
  16.   }
  17. }

代码示例来源：origin: com.github.axet/kaptcha

  1. BufferedImage bi = this.kaptchaProducer.createImage(capText);

代码示例来源：origin: com.wuyushuo/vplus-data

  1. public static void producerCaptcha(Producer captchaProducer, HttpServletRequest request, HttpServletResponse response, String captchaKey) throws Exception {
  2.   if(null == captchaProducer || null == request || null == response){
  3.     throw new NullPointerException("系统参数没有实例化");
  4.   }
  5.   HttpSession session = request.getSession();
  6.   response.setDateHeader("Expires", 0);
  7.   response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
  8.   response.addHeader("Cache-Control", "post-check=0, pre-check=0");
  9.   response.setHeader("Pragma", "no-cache");
  10.   response.setContentType("image/jpeg");
  11.   String capText = captchaProducer.createText();
  12.   String sessionKey = captchaKey(captchaKey);
  13.   log.debug("[captcha] key:{}, value", sessionKey, capText);
  14.   session.setAttribute(sessionKey, capText);
  15.   BufferedImage bi = captchaProducer.createImage(capText);
  16.   ServletOutputStream out = response.getOutputStream();
  17.   ImageIO.write(bi, "jpg", out);
  18.   try {
  19.     out.flush();
  20.   } finally {
  21.     out.close();
  22.   }
  23. }

代码示例来源：origin: com.github.vindell/spring-boot-starter-kaptcha

  1. /** */
  2.   @Override
  3.   public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
  4.     
  5.     // Set to expire far in the past.
  6.     resp.setDateHeader("Expires", 0);
  7.     // Set standard HTTP/1.1 no-cache headers.
  8.     resp.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
  9.     // Set IE extended HTTP/1.1 no-cache headers (use addHeader).
  10.     resp.addHeader("Cache-Control", "post-check=0, pre-check=0");
  11.     // Set standard HTTP/1.0 no-cache header.
  12.     resp.setHeader("Pragma", "no-cache");
  14.     // return a jpeg
  15.     resp.setContentType("image/jpeg");
  17.     // create the text for the image
  18.     String capText = this.kaptchaProducer.createText();
  19.     
  20.     this.captchaResolver.setCaptcha(req, resp, capText, new Date());
  22.     // create the image with the text
  23.     BufferedImage bi = this.kaptchaProducer.createImage(capText);
  25.     ServletOutputStream out = resp.getOutputStream();
  27.     // write the data out
  28.     ImageIO.write(bi, "jpg", out);
  29.   }
  30. }

代码示例来源：origin: jtalks-org/jcommune

  1. /**
  2.  * Refresh captcha image on registration form.
  3.  *
  4.  * @param request http request
  5.  * @param response http response
  6.  * @throws IOException
  7.  */
  8. public void refreshCaptchaImage(HttpServletRequest request, HttpServletResponse response)
  9.     throws IOException {
  10.   ServletOutputStream out = response.getOutputStream();
  11.   response.setContentType("image/jpeg");
  12.   String capText = getCaptchaProducer().createText();
  13.   request.getSession().setAttribute(Constants.KAPTCHA_SESSION_KEY, capText);
  14.   BufferedImage bi = getCaptchaProducer().createImage(capText);
  15.   ImageIO.write(bi, "jpg", out);
  16.   out.flush();
  17. }

代码示例来源：origin: liuht777/Taroco

  1. /**
  2.    * 创建验证码
  3.    *
  4.    * @throws Exception
  5.    */
  6.   @GetMapping(SecurityConstants.DEFAULT_VALIDATE_CODE_URL_PREFIX + "/{randomStr}")
  7.   public void createCode(@PathVariable String randomStr, HttpServletResponse response)
  8.       throws Exception {
  9.     Assert.notEmpty(randomStr, "机器码不能为空");
  10.     response.setHeader("Cache-Control", "no-store, no-cache");
  11.     response.setContentType("image/jpeg");
  12.     //生成文字验证码
  13.     String text = producer.createText();
  14.     //生成图片验证码
  15.     BufferedImage image = producer.createImage(text);
  16.     userService.saveImageCode(randomStr, text);
  17.     ServletOutputStream out = response.getOutputStream();
  18.     ImageIO.write(image, "JPEG", out);
  19.     IOUtils.closeQuietly(out);
  20.   }
  21. }

代码示例来源：origin: yjjdick/sdb-mall

  1. @Override
  2. public BufferedImage getCaptcha(String uuid) {
  3.   if(StringUtils.isBlank(uuid)){
  4.     throw new RRException("uuid不能为空");
  5.   }
  6.   //生成文字验证码
  7.   String code = producer.createText();
  8.   SysCaptcha captcha = new SysCaptcha();
  9.   captcha.setUuid(uuid);
  10.   captcha.setCode(code);
  11.   //5分钟后过期
  12.   captcha.setExpireTime(DateUtils.addDateMinutes(new Date(), 5));
  13.   captcha.save();
  14.   return producer.createImage(code);
  15. }

代码示例来源：origin: tigerphz/tgcloud-master

  1. /**
  2.  * 生成图片验证码.
  3.  *
  4.  * @param request the request
  5.  * @return the image code
  6.  */
  7. @Override
  8. public ImageCode generate(ServletWebRequest request) {
  9.   String kaptchaCode = captchaProducer.createText();
  10.   BufferedImage image = captchaProducer.createImage(kaptchaCode);
  11.   return new ImageCode(image, kaptchaCode, securityProperties.getCode().getImage().getExpireIn());
  12. }

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