php;">
:160px;left
:180px;">
![]()
cursor:pointer; " src="
{:U('Verify')}" onclick="thi
s.src=thi
s.src+'?'+Math.random()" id="safecode" style="height:50px;width:70%;"/>
//验证码判断
public function Verify()
{
ob_clean(
);
//显示验证码
$cfg=array(
'codeSet' => '0123456789',// 验证码字符集合
'imageH' => 25,// 验证码图片高度
'imageW' => 80,// 验证码图片宽度
'length' => 4,// 验证码位数
'fontttf' => '4.ttf',// 验证码字体，
不设置随机获取
'fontSize' => 10,// 验证码字体大小(p
X)
'useNoise' =>
false,// 是否添加杂点
'useCurve' =>
false,// 是否画混淆曲线
'bg' => array(226,229,236) //背景颜色
);
$very=new \Think\Verify($cfg
);
$very->entry(
);
}
//客户端通过ajax，实现校验验证码
public function
checkVerify()
{
$code = I('get.code'
);
$very = new \Think\Verify(
);
$key = $this->auth_my_code($very,$very->seKey
);
// 验证码不能为空
$secode = session($key
);
//对$code进行加密，在比较校验
if($this->auth_my_code($very,strtoupper($cod
E)) == $secode['verify_code'])
{
echo json_encode(array('flag'=>1,'cont'=>'验证码正确')
);
}else
{
echo json_encode(array('flag'=>2,'cont'=>'验证码错误')
);
}
}
private function auth_my_code($vry,$str)
{
$key = substr(md5($vry->seKey),5,8
);
$str = substr(md5($str),8,10
);
return md5($key . $str
);
}
