Thinkphp Verification Code does not show a workaround _php tutorial

PHP configuration file php.ini, search Extension=php_gd2.dll, remove the front semicolon can;

1. Add a verify method to the module class to display the verification code
Copy the Code code as follows:
Public Function Verify () {
Import the Image class library
Import ("ORG. Util.image ");
Image::buildimageverify ();
}

2. Use the verification code in the form
Copy the Code code as follows:

3. Verification Code Refresh
Copy the Code code as follows:

4. Verification Code Verification
Copy the Code code as follows:
if ($_session[' verify '! = MD5 ($_post[' verify '])) {
$this->error (' Authenticode Error! ');
}

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