按字典序使用url键值对的格式拼接成字符串md5加密签名

Z时代
2024-01-10
分类：综合

对所有的传入的非空参数进行按字典序使用url键值对的格式拼接成字符串string1

String string1 = key1=value1&key2=value2..

在字符串string1最后拼接上签名所得的令得到字符串string2

String string2 = string2 + &密钥名称=8934e7d15453e97507ef794cf7b0519d

然后对string2进行MD5加密，再将加密所得到的32位字符串转换为大写，所得到的值即为key_sign


 $payConfig = array(
            "pay_ver" => "100",
            "pay_type" => "010",
            "service_id" => "015",
            "merchant_no" => "",
            "terminal_id" => "",
            "terminal_trace" => $orderInfo["order_id"],
            "terminal_time" => date("YmdHis"),
            "total_fee" => $totalFee,
            "sub_appid" => "",
            "open_id" => $openid,
            "notify_url" => "http://www.demo.com"
        );
        $access_token = "da3c47c2a8cd47e9be0868712dae0000";
        $payConfig["key_sign"] = self::getSign($payConfig, $access_token);
     //签名
     function getSign($payConfig, $key) {
        ksort($payConfig);
        $str = "";
        foreach ($payConfig as $k => $v) {
            $str =$str. $k . "=" . $v."&";
        }
        $str=$str."access_token=".$key;
        return strtoupper(md5($str));
    }
       //提交
      function postPay($post_data) {
        $postUrl = "";
        $curl = curl_init();
        curl_setopt_array($curl, array(
            CURLOPT_URL => $postUrl,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_ENCODING => "",
            CURLOPT_MAXREDIRS => 10,
            CURLOPT_TIMEOUT => 0,
            CURLOPT_FOLLOWLOCATION => false,
            CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
            CURLOPT_CUSTOMREQUEST => "POST",
            CURLOPT_POSTFIELDS => json_encode($post_data),
            CURLOPT_HTTPHEADER => array(
                "Content-Type: application/json"
            ),
        ));
        $response = curl_exec($curl);
        var_dump($response);
        curl_close($curl);
        return $response;    }