支付宝接口http请求及sign加密

水深无声 2022-03-07 05:35 548阅读 0赞

博主昨天在实现一个需求，因为用到支付宝接口HTTP方式请求，特意将过程分享记录下来

还是要吐槽下支付宝的文档以及技术人员，根本写的不详细，最后还是去看了他们的代码实现过程，最终实现，下面向大家分享，首先我们先封装一个基础类，里面包含了sign加密、请求url以及处理结果，代码如下：

<?php
    /**
     * 支付宝公共方法
     * Created by PhpStorm.
     * User: pc001
     * Date: 2019/1/24
     * Time: 8:56
     */
    
    
    /**
     * 获取支付宝HTTP方式请求URL
     * @param array $params
     * @param string $privatekey
     * @param string $url
     * @return string
     */
    function getTarUrl($params = array(), $privatekey = "", $url = "")
    {
        #请求数组转成字符串
        $signString = getSignContent($params);
        #待请求字符串加密获取sign
        $sign = alonersaSign($signString, $privatekey, "RSA2");
        #将sign带入数组
        $params["sign"] = $sign;
        #请求链接编码及转换
        $url = getSignContentUrlencode($params);
        #获取最终请求URL
        $targetUrl = "https://openapi.alipay.com/gateway.do?" . $url;
        #返回
        return $targetUrl;
    }
    
    
    /**
     * 链接拼接
     * @param $params
     * @return string
     */
    function getSignContentUrlencode($params)
    {
        ksort($params);
        $stringToBeSigned = "";
        $i = 0;
        foreach ($params as $k => $v) {
            if (false === checkEmpty($v) && "@" != substr($v, 0, 1)) {
    
                // 转换成目标字符集
                $v = characet($v, "UTF-8");
    
                if ($i == 0) {
                    $stringToBeSigned .= "$k" . "=" . urlencode($v);
                } else {
                    $stringToBeSigned .= "&" . "$k" . "=" . urlencode($v);
                }
                $i++;
            }
        }
        unset ($k, $v);
        return $stringToBeSigned;
    }
    
    
    /**
     * 请求参数加密获取sign
     * @param $data
     * @param $privatekey
     * @param string $signType
     * @param bool $keyfromfile
     * @return string
     */
    function alonersaSign($data, $privatekey, $signType = "RSA", $keyfromfile = false)
    {
    
        if (!$keyfromfile) {
            $priKey = $privatekey;
            $res = "-----BEGIN RSA PRIVATE KEY-----\n" .
                wordwrap($priKey, 64, "\n", true) .
                "\n-----END RSA PRIVATE KEY-----";
        } else {
            $priKey = file_get_contents($privatekey);
            $res = openssl_get_privatekey($priKey);
        }
    
        ($res) or die('您使用的私钥格式错误，请检查RSA私钥配置');
    
        if ("RSA2" == $signType) {
            openssl_sign($data, $sign, $res, OPENSSL_ALGO_SHA256);
        } else {
            openssl_sign($data, $sign, $res);
        }
    
        if ($keyfromfile) {
            openssl_free_key($res);
        }
        $sign = base64_encode($sign);
        return $sign;
    }
    
    
    /**
     * 数组转成字符串
     * @param $params
     * @return string
     */
    function getSignContent($params)
    {
        ksort($params);
    
        $stringToBeSigned = "";
        $i = 0;
        foreach ($params as $k => $v) {
            if (false === checkEmpty($v) && "@" != substr($v, 0, 1)) {
    
                // 转换成目标字符集
                $v = characet($v, "UTF-8");
    
                if ($i == 0) {
                    $stringToBeSigned .= "$k" . "=" . "$v";
                } else {
                    $stringToBeSigned .= "&" . "$k" . "=" . "$v";
                }
                $i++;
            }
        }
    
        unset ($k, $v);
        return $stringToBeSigned;
    }
    
    
    /**
     * 判断参数值是否为空
     * @param $value
     * @return bool
     */
    function checkEmpty($value)
    {
        if (!isset($value))
            return true;
        if ($value === null)
            return true;
        if (trim($value) === "")
            return true;
    
        return false;
    }
    
    
    /**
     * 转换成目标字符集
     * @param $data
     * @param $targetCharset
     * @return string
     */
    function characet($data, $targetCharset)
    {
    
        if (!empty($data)) {
            $fileType = "UTF-8";
            if (strcasecmp($fileType, $targetCharset) != 0) {
                $data = mb_convert_encoding($data, $targetCharset, $fileType);
                //          $data = iconv($fileType, $targetCharset.'//IGNORE', $data);
            }
        }
    
    
        return $data;
    }
    
    
    /**
     * Get请求
     * @param $url
     * @param $apiName
     * @return mixed
     */
    function curlAliGet($url, $apiName)
    {
        // 初始化curl
        $ch = curl_init();
        // 设置超时
        curl_setopt($ch, CURLOPT_TIMEOUT, 60);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
        curl_setopt($ch, CURLOPT_HEADER, FALSE);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
        // 运行curl，结果以jason形式返回
        $res = curl_exec($ch);
        curl_close($ch);
        #json转换
        $returnData = json_decode($res);
        #获取结果体
        $responseNode = str_replace(".", "_", $apiName) . "_response";
        $result = $returnData->$responseNode;
        //返回
        return $result;
    }

封装完这个方法后，我们便开始在主程序中调用，博主这里是请求支付宝的发送消息模板接口，代码如下：

#调用公共方法
    require 'aliCom.php';
    #获取参数
    $shh_template_id = $_REQUEST["shh_template_id"];
    $shh_id = $_REQUEST["shh_id"];
    $shh_head_color = $_REQUEST["shh_head_color"];
    $shh_url = $_REQUEST["shh_url"];
    $shh_action_name = $_REQUEST["shh_action_name"];
    $shh_keyword1_value = $_REQUEST["shh_keyword1_value"];
    $shh_keyword1_color = $_REQUEST["shh_keyword1_color"];
    $shh_keyword2_value = $_REQUEST["shh_keyword2_value"];
    $shh_keyword2_color = $_REQUEST["shh_keyword2_color"];
    $shh_keyword3_value = $_REQUEST["shh_keyword3_value"];
    $shh_keyword3_color = $_REQUEST["shh_keyword3_color"];
    $shh_keyword4_value = $_REQUEST["shh_keyword4_value"];
    $shh_keyword4_color = $_REQUEST["shh_keyword4_color"];
    $shh_remark_value = $_REQUEST["shh_remark_value"];
    $shh_remark_color = $_REQUEST["shh_remark_color"];
    $shh_first_value = $_REQUEST["shh_first_value"];
    $shh_first_color = $_REQUEST["shh_first_color"];
    $openId = $_REQUEST["openId"];
    #获取基本配置
    $rsaPrivateKey ="你的密钥";
    $alipayrsaPublicKey ="你的公钥";
    #组合内容
    $bizCont = "{" .
        "\"to_user_id\":\"" . $openId . "\"," .
        "\"template\":{" .
        "\"template_id\":\"" . $shh_template_id . "\"," .
        "\"context\":{" .
        "\"head_color\":\"" . $shh_head_color . "\"," .
        "\"url\":\"" . $shh_url . "\"," .
        "\"action_name\":\"" . $shh_action_name . "\"," .
        "\"keyword1\":{" .
        "\"color\":\"" . $shh_keyword1_color . "\"," .
        "\"value\":\"" . $shh_keyword1_value . "\"" .
        "        }," .
        "\"keyword2\":{" .
        "\"color\":\"" . $shh_keyword2_color . "\"," .
        "\"value\":\"" . $shh_keyword2_value . "\"" .
        "        }," .
        "\"keyword3\":{" .
        "\"color\":\"" . $shh_keyword3_color . "\"," .
        "\"value\":\"" . $shh_keyword3_value . "\"" .
        "        }," .
        "\"keyword4\":{" .
        "\"color\":\"" . $shh_keyword4_color . "\"," .
        "\"value\":\"" . $shh_keyword4_value . "\"" .
        "        }," .
        "\"first\":{" .
        "\"color\":\"" . $shh_first_color . "\"," .
        "\"value\":\"" . $shh_first_value . "\"" .
        "        }," .
        "\"remark\":{" .
        "\"color\":\"" . $shh_remark_color . "\"," .
        "\"value\":\"" . $shh_remark_value . "\"" .
        "        }" .
        "      }" .
        "    }" .
        "  }";
    #生成签名
    $params = array(
        'app_id' => $shh_id,
        'charset' => 'UTF-8',
        'method' => 'alipay.open.public.message.single.send',
        'sign_type' => 'RSA2',
        'timestamp' => date('Y-m-d H:i:s', time()),
        'version' => '1.0',
        'biz_content' => $bizCont
    );
    #获取最终请求URL
    $url = getTarUrl($params, $rsaPrivateKey, "https://openapi.alipay.com/gateway.do?");
    #请求地址
    $data = curlAliGet($url, $params["method"]);
    #判断发送是否成功
    if (isset($data->code) && intval($data->code) === 10000) {
        #返回成功
        $json = json_encode(array(
            'status' => 1,
            'msg' => $data->msg
        ));
        echo($json);
        exit();
    } else {
        #返回失败
        $json = json_encode(array(
            'status' => -1,
            'msg' => $data->sub_msg
        ));
        echo($json);
        exit();
    }

这样我们便成功的完成了支付宝HTTP方式请求接口，而不用依赖支付宝的SDK。

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![20190316172458139.jpg][]

[20190316172458139.jpg]: /images/20220307/3b2dfddbb0fa44279fc433cc6a6486fb.png