易优eyoucms验证码的简单用法教学

<div>{:captcha_img()}</div>

<div><img src=”{:captcha_src()}” alt=”captcha” /></div>

$this->validate($data,[
‘captcha|验证码’=>’require|captcha’
]);

if(!captcha_check($captcha)){
//验证失败
};

$captcha = new Captcha();
return $captcha->entry();

$captcha = new Captcha();
return $captcha->entry(1);

// 检测输入的验证码是否正确，$code为用户输入的验证码字符串，$id多个验证码标识
function check_verify($code, $id = ”){
$captcha = new Captcha();
return $captcha->check($code, $id);
}

$config = [
// 验证码字体大小
‘fontSize’ => 30,
// 验证码位数
‘length’ => 3,
// 关闭验证码杂点
‘useNoise’ => false,
];
$captcha = new Captcha($config);
return $captcha->entry();

$captcha = new Captcha();
$captcha->fontSize = 30;
$captcha->length = 3;
$captcha->useNoise = false;
return $captcha->entry();

$captcha = new Captcha();
$captcha->fontttf = ‘5.ttf’;
return $captcha->entry();

$captcha = new Captcha();
// 开启验证码背景图片功能 随机使用扩展包内`think-captcha/assets/bgs`目录下面的图片
$captcha->useImgBg = true;
return $captcha->entry();

$captcha = new Captcha();
//中午 验证码字体使用扩展包内`think-captcha/assets/zhttfs`字体文件
$captcha->useZh = true;
return $captcha->entry();

$captcha = new Captcha();
// 设置验证码字符为纯数字
$captcha->codeSet = ‘0123456789’;
return $captcha->entry();

$captcha = new Captcha();
$captcha->useZh = true;
// 设置验证码字符
$captcha->zhSet = ‘们以我到他会作时要动国产的一是工就年阶义发成部民可出能方进在了不和有大这’;
return $captcha->entry();