thinkphp生成验证码

TP框架自带的验证码类，位置：Think/verify.class.php

tp可用字体：

TP中生成验证码的函数：

public function verifyImg(){ $config = array( 'imageW' => 120, 'imageH' => 30, 'fontSize' => 15, 'length' => 4, 'fontttf' => '4.ttf' ); $obj = new Verify($config); $obj->entry(); }