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1¡¢Ê¹ÓÃcaptcha¿â¾ÙÐÐ×°ÖÃ

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"require": {
    "topthink/think-captcha": "^3.1"
}

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composer update

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use thinkcaptchaacadeCaptcha;

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È»ºóŲÓÃCaptcha::create()ÒªÁì¼´¿ÉÌìÉúÑéÖ¤ÂëͼƬ £¬´úÂëʾÀýÈçÏ£º

public function create()
{
    return Captcha::create();
}

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public function create()
{
    return Captcha::create('abcde', 3, 120, 36);
}

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public function check($code)
{
    if (Captcha::check($code)) {
        return 'ÑéÖ¤ÀÖ³É';
    } else {
        return 'Ñé֤ʧ°Ü';
    }
}

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'captcha' => [
    'reset' => true,
    'useZh' => false,
    'codeSet' => '0123456789',
    'fontSize' => 25,
    'useCurve' => false,
    'useNoise' => false,
    'imageH' => 0,
    'imageW' => 0,
    'length' => 4,
    'bg' => [243, 251, 254],
    'fontttf' => '',
    'expire' => 1800,
    'defaultCode' => '',
    'seKey' => 'thinkphp_captcha',
    'offset' => null,
    'verifyCode' => true,
    'resetCode' => true,
    'keyPrefix' => '',
    'checkSensitive' => true, // ÑéÖ¤Âë¾ÞϸдÃô¸Ð
],

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