Implementation of verification code calls under Thinkphp

The class that generated the verification code is located in the thinkphp/extend/library/org/util/image.class.php file.

Verification Code function parameter explanation:

Length: Number of verification codes, default to 4 digits

Model: Verify string type, default to number, other support type has 0 letter 1 digit 2 Capital Letter 3 Lowercase Letter 4 Chinese 5 mix

Type: A picture of the CAPTCHA, default to PNG

Width: Verification code, the default is automatically based on the length of the verification code automatically calculated

Height: The high of the Verification Code, which defaults to 22

VerifyName: The session record name of the verification code, the default is verify.

Use:

Public Function Verify () {

import (' ORG. Util.image ');

Image::buildimageverify (6,5, ' png ', 50,25,veryfy);//fifth parameter, optional, the default is verify, can be replaced according to their own needs.

}