摘要：之前用的圖形驗證碼，現在改用網易云滑動驗證碼，效果如下這里基于來實現校驗驗證碼易盾驗證碼二次校驗構造函數驗證碼密鑰對密鑰對發起二次校驗請求二次校驗數據用戶信息公共參數計算參數簽名密鑰對請求參數參數排序發送請求請求參數新建

之前用的圖形驗證碼，現在改用網易云滑動驗證碼，效果如下 這里基于 laravel 來實現

vi AppServicesCaptchaVerifier.php
captcha_id  = $captcha_id;
        $this->secret_id = $secret_id;
        $this->secret_key = $secret_key;
    }

    /**
     * 發起二次校驗請求
     * @param $validate 二次校驗數據
     * @param $user 用戶信息
     */
    public function verify($validate, $user = "") {
        $params = array();
        $params["captchaId"] = $this->captcha_id;
        $params["validate"] = $validate;
        $params["user"] = $user;
        // 公共參數
        $params["secretId"] = $this->secret_id;
        $params["version"] = self::VERSION;
        $params["timestamp"] = sprintf("%d", round(microtime(true)*1000));// time in milliseconds
        $params["nonce"] = sprintf("%d", rand()); // random int
        $params["signature"] = $this->sign($this->secret_key, $params);

        $result = $this->send_http_request($params);
        return array_key_exists("result", $result) ? $result["result"] : false;
    }

    /**
     * 計算參數簽名
     * @param $secret_key 密鑰對key
     * @param $params 請求參數
     */
    private function sign($secret_key, $params){
        ksort($params); // 參數排序
        $buff="";
        foreach($params as $key=>$value){
            $buff .=$key;
            $buff .=$value;
        }
        $buff .= $secret_key;
        return md5($buff);
    }

    /**
     * 發送http請求
     * @param $params 請求參數
     */
    private function send_http_request($params){
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, self::API_URL);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, self::API_TIMEOUT);
        curl_setopt($ch, CURLOPT_TIMEOUT, self::API_TIMEOUT);
        curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($params));

        /*
         * Returns TRUE on success or FALSE on failure. 
         * However, if the CURLOPT_RETURNTRANSFER option is set, it will return the result on success, FALSE on failure.
         */
        $result = curl_exec($ch);
        // var_dump($result);
        
        if(curl_errno($ch)){
            $msg = curl_error($ch);
            curl_close($ch);
            return array("error"=>500, "msg"=>$msg, "result"=>false);
        }else{
            curl_close($ch);
            return json_decode($result, true);  
        }
    }
}

vi AppProvidersCaptchaServiceProvider.php
app["validator"]->extend("captcha", function($attribute, $value, $parameters)
        {
            return (new CaptchaVerifier(config("captcha.captcha.CAPTCHA_ID"),config("captcha.captcha.SECRET_ID"),config("captcha.captcha.SECRET_KEY")))->verify($value);
        });
    }

    /**
     * Register any application services.
     *
     * This service provider is a great spot to register your various container
     * bindings with the application. As you can see, we are registering our
     * "Registrar" implementation here. You can add your own bindings too!
     */
    public function register()
    {
        
    }
    
}

vi config/app.php

"providers" => [
 "AppProvidersCaptchaServiceProvider",
]
vi config/captcha.php
#聯系商務獲取秘鑰
"captcha"=>[
  "CAPTCHA_ID" => "xxxxx",
  "SECRET_ID" => "xxxxx",
  "SECRET_KEY" => "xxxxx",
]

use IlluminateHttpRequest;

public function postLogin($q Request){
        $this->validate($q, [
            "captcha" => "required|captcha",
        ]);
       return response()->json(["code" => "200", "msg" => "success"])
}

文檔地址
demo
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