public function verity_c()
{
$Verify = new \Think\Verify();
//验证码格式
$Verify->fontSize = 14;
$Verify->length = 4;
$Verify->useNoise = false;
//$Verify->fontttf = '5.ttf';
$Verify->imageW = 100;
$Verify->imageH = 33;
//$Verify->expire = 600;
$Verify->entry();//验证码生成
}
手册有代码的
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