Captcha image random disturbance, the font size changes, tilt changes, etc., are using VFP has been stuck in the verification code to identify the position, is now a manually entered [img=https://img-bbs.csdn.net/upload/201912/09/1575861515_442253.jpg] [/img]
There are also some verification code

CodePudding user response:

This you don't want to, you this verification code too much interference deformation, the human eye can identify, let alone the code,