Shulou(Shulou.com)06/02 Report--

This article mainly introduces the jspXCMS picture verification code appears garbled how to do, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor with you to understand.

The picture CAPTCHA does not show normal letters or numbers, but shows some strange garbled code, which means that the basic font is not installed in the operating system.

In order to make the CAPTCHA more difficult to be recognized by the machine, different fonts are used for letters and numbers, and garbled will occur if these fonts are not available in the operating system. Although the fonts used in CAPTCHA are the most commonly used fonts, linux and windows generally have these fonts, but some minimalist versions or manually delete the corresponding fonts, there will be garbled.

The CAPTCHA is configured in the / WEB-INF/classes/custom.xml file. The following three fonts are used, one of which is randomly used by the Bell MT nyala Credit valley CAPTCHA.

If there is garbled code in the CAPTCHA, the corresponding font can be installed in the operating system, or no font can be removed from the configuration, or it can be replaced with the font of the operating system.

Thank you for reading this article carefully. I hope the article "what to do if the picture verification code appears garbled in jspXCMS" shared by the editor will be helpful to everyone. At the same time, I also hope that you will support us and pay attention to the industry information channel. More related knowledge is waiting for you to learn!

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