getcaptcha

First, describe the cause of the error: An exception is thrown when the spring Security interceptor is used to verify the verification code.Throw new runtimeexception ("CAPTCHA validation failed due to exception", CSE );After the front-end submits

Apache Shiro is a powerful and easy-to-integrate open-source rights framework that enables authentication, authorization, encryption, session management, and more. Authentication and authorization are the core of authority control, simply,

MVC creates logon verification code learning notes using polar verification 7. mvc learning notes In previous projects, if verification codes were needed, they were drawn by using GDI +, which is simple and easy to use, but there are also some small

In the previous project, if there is a need to use verification code, the basic is their own use of GDI + drawing out, simple and useful, but there are also some small problems, first, if less interference line, then the security is not very high,

Apache Shiro is a powerful and easy-to-integrate open-source rights framework that enables authentication, authorization, encryption, session management, and more. Authentication and authorization are the core of authority control, simply,

1. First create a verification class CAPTCHA Public class CAPTCHA{Private string text;Private int width;Private int height;Private string familyname;Private bitmap image;Private Static random = new random (); Public String familyname{Get {return

Apache Shiro is a powerful and easy-to-integrate open-source rights framework that enables authentication, authorization, encryption, session management, and more. Authentication and authorization are the core of authority control, simply,

002 Class Captcha 003 { 004 Private $_about = Array ( 005 ' imageline ' =>8,//Line interference, normal for 0 006 ' Imagepixel ' =>300,//pixel interference, normal for 0 007 ' Location ' =>true,//font random position, false normal 008 '

In the previous project, if you need to use a captcha, basically are their own GDI + drawing out, easy to use, but there are some small problems, first of all, if less interference line, the security is not very high, the verification code is easily

Add cage dependency in 1.pom.xml. Dependency> groupId>Com.github.cagegroupId> Artifactid>CageArtifactid> version>1.0version> Dependency> Project related information: