Usually we see static Captcha, now we will make an imated Captcha. Now this cool. What does the captcha look like? It just like the ordinary Captcha, the difference is the letters are moving and animated. You can set your Captcha setting quickly suc

将文字隐藏于图片中； 只能加密英文字母； 详情请阅读压缩包里的readme.txt。-Hide the text in the picture Only English letters can be encrypted For more information, please read the readme.txt in the compressed package.