Thinkphp使用EasyWeChat支付

config = config('web.WechatPay');
       // $this ->config = [
            // 前面的appid什么的也得保留哦
            //'app_id'             => 'xxxx',
            //'mch_id'             => 'your-mch-id',
            //'key'                => 'key-for-signature',
            //'cert_path'          => 'path/to/your/cert.pem', // XXX: 绝对路径!!!!
            //'key_path'           => 'path/to/your/key',      // XXX: 绝对路径!!!!
            //'notify_url'         => '默认的订单回调地址',     // 你也可以在下单时单独设置来想覆盖它
            // 'device_info'     => '013467007045764',
            // 'sub_app_id'      => '',
            // 'sub_merchant_id' => '',
            // ...];
    }
    
    /*
    * 支付
    */
    public function pay($orderData,$code){
        $config = $this->config;
        if($orderData['type'] == 1){
            $config['notify_url'] = 'https://api.zkjz.com/api/notify/rechargeNotify';//支付完成回调充值地址url,不能带参数
        }else{
            $config['notify_url'] = 'https://api.zkjz.com/api/notify/orderNotify';//支付完成回调订单地址url,不能带参数
        }
        //获取OPENID
        $openid = $this->getOpenID($code);
        $param = array(
            'body' =>$orderData['title'], //商品信息
            'out_trade_no'=>$orderData['order_num'],//商户订单编号
            'total_fee'=>$orderData['money'] * 100, //总金额
            'openid'=>$openid,//用户openid
            'trade_type'=>'JSAPI',//交易类型
        );
        $app = Factory::payment($config);
        $jssdk = $app->jssdk;
        $result = $app->order->unify($param);
        if($result['return_code'] == 'SUCCESS' && $result['result_code'] == 'SUCCESS'){
            $config = $jssdk->bridgeConfig($result['prepay_id'], false);
            return $config;
        }else{
            return false;
        }
    }
    
    /*
    * 获取OPENID
    */
    public function getOpenID($code){
        $config = config('web.wechat');
        $app = Factory::miniProgram($config);
        $res = $app->auth->session($code);
        return $res['openid'];
    }
    
    /*
    * 对要发送到微信统一下单接口的数据进行签名
    */
    public  function getSign($Obj){
        foreach ($Obj as $k => $v){
            $param[$k] = $v;
        }
        //签名步骤一:按字典序排序参数
        ksort($param);
        $String = self::formatBizQueryParaMap($param, false);
        //签名步骤二:在string后加入KEY
        //申请支付后有给予一个商户账号和密码,登陆后自己设置的key
        $String = $String."&key=".$this->config['key'];
        //签名步骤三:MD5加密
        $String = md5($String);
        //签名步骤四:所有字符转为大写
        $result_ = strtoupper($String);
        // var_dump($result_);
        return $result_;
    }
    
    /*
     *排序并格式化参数方法,签名时需要使用
     */
    public static function formatBizQueryParaMap($paraMap, $urlencode){
        $buff = "";
        ksort($paraMap);
        foreach ($paraMap as $k => $v){
            if($urlencode){
                $v = urlencode($v);
            }
            //$buff .= strtolower($k) . "=" . $v . "&";
            $buff .= $k . "=" . $v . "&";
        }
        $reqPar = "";
        if (strlen($buff) > 0){
            $reqPar = substr($buff, 0, strlen($buff)-1);
        }
        return $reqPar;
    }
    
    /*
     * 生成随机字符串方法
     */
    public function createNoncestr($length = 32 ){
        $chars = "abcdefghijklmnopqrstuvwxyz0123456789";
        $str ="";
        for ( $i = 0; $i < $length; $i++ ) {
            $str.= substr($chars, mt_rand(0, strlen($chars)-1), 1);
        }
        return $str;
    }
    
    /*
     * 数组转字符串方法
     */
    public function arrayToXml($arr){
        $xml = "";
        foreach ($arr as $key=>$val)
        {
            if (is_numeric($val)){
                $xml.="<".$key.">".$val."";
            }else{
                $xml.="<".$key.">";
            }
        }
        $xml.="";
        return $xml;
    }

    /*
     * 将xml字符串转换为数组
     */
    public static function xmlToArray($xml){
        $array_data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
        return $array_data;
    }

    /*
     * 发送xml请求方法
     */
    public static function postXmlCurl($xml, $url, $second = 30) {
        $ch = curl_init();
        //设置超时
        curl_setopt($ch, CURLOPT_TIMEOUT, $second);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); //严格校验
        //设置header
        curl_setopt($ch, CURLOPT_HEADER, FALSE);
        //要求结果为字符串且输出到屏幕上
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
        //post提交方式
        curl_setopt($ch, CURLOPT_POST, TRUE);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);
        curl_setopt($ch, CURLOPT_TIMEOUT, 40);
        set_time_limit(0);
        //运行curl
        $data = curl_exec($ch);
        //返回结果
        if ($data) {
            curl_close($ch);
            return $data;
        }else {
            $error = curl_errno($ch);
            curl_close($ch);
            return json(['msgArr'=>"curl出错,错误码:$error"]);
        }
    }
}

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