function Home_index() { date_default_timezone_set( "Asia/Shanghai" ); $date = date ( "YmdHis" ); $appid = "" ; $mch_id = "" ; $out_trade_no = "14487658021497944120" ; $op_user_id = "" ; $out_refund_no = $date ; $total_fee = "500" ; $refund_fee = "500" ; // $transaction_id = "4009542001201706206596667604"; $key = "" ; $nonce_str = nonceStr(); $ref = strtoupper (md5( "appid=$appid&mch_id=$mch_id&nonce_str=$nonce_str&op_user_id=$op_user_id" . "&out_refund_no=$out_refund_no&out_trade_no=$out_trade_no&refund_fee=$refund_fee&total_fee=$total_fee" . "&key=$key" )); //sign加密MD5 $refund = array ( 'appid' => $appid , //应用ID,固定 'mch_id' => $mch_id , //商户号,固定 'nonce_str' => $nonce_str , //随机字符串 'op_user_id' => $op_user_id , //操作员 'out_refund_no' => $out_refund_no , //商户内部唯一退款单号 'out_trade_no' => $out_trade_no , //商户订单号,pay_sn码 1.1二选一,微信生成的订单号,在支付通知中有返回 // 'transaction_id'=>'1',//微信订单号 1.2二选一,商户侧传给微信的订单号 'refund_fee' => $refund_fee , //退款金额 'total_fee' => $total_fee , //总金额 'sign' => $ref //签名 ); $url = "https://api.mch.weixin.qq.com/secapi/pay/refund" ; ; //微信退款地址,post请求 $xml = arrayToXml( $refund ); $ch = curl_init(); curl_setopt( $ch , CURLOPT_URL, $url ); curl_setopt( $ch , CURLOPT_HEADER, 1); curl_setopt( $ch , CURLOPT_RETURNTRANSFER, 1); curl_setopt( $ch , CURLOPT_SSL_VERIFYPEER, 1); //证书检查 if ( $useCert == true) { // 设置证书 curl_setopt( $ch , CURLOPT_SSLCERTTYPE, 'pem' ); curl_setopt( $ch , CURLOPT_SSLCERT, dirname( __FILE__ ) . '/WxPay/cert/apiclient_cert.pem' ); curl_setopt( $ch , CURLOPT_SSLCERTTYPE, 'pem' ); curl_setopt( $ch , CURLOPT_SSLKEY, dirname( __FILE__ ) . '/WxPay/cert/apiclient_key.pem' ); curl_setopt( $ch , CURLOPT_SSLCERTTYPE, 'pem' ); curl_setopt( $ch , CURLOPT_CAINFO, dirname( __FILE__ ) . '/WxPay/cert/rootca.pem' ); } curl_setopt( $ch , CURLOPT_POST, 1); curl_setopt( $ch , CURLOPT_POSTFIELDS, $xml ); $xml = curl_exec( $ch ); // 返回结果0的时候能只能表明程序是正常返回不一定说明退款成功而已 if ( $xml ) { curl_close( $ch ); // 把xml转化成数组 libxml_disable_entity_loader(true); $xmlstring = simplexml_load_string( $xml , 'SimpleXMLElement' , LIBXML_NOCDATA); // var_dump($xmlstring); $result [ 'errNum' ] = 0; $result [ 'info' ] = object_to_array( $xmlstring ); // var_dump($result); return $result ; } else { $error = curl_errno( $ch ); curl_close( $ch ); // 错误的时候返回错误码。 $result [ 'errNum' ] = $error ; return $result ; } } function arrayToXml( $arr ) { $xml = "<root>" ; foreach ( $arr as $key => $val ) { if ( is_array ( $val )) { $xml .= "<" . $key . ">" . arrayToXml( $val ) . "</" . $key . ">" ; } else { $xml .= "<" . $key . ">" . $val . "</" . $key . ">" ; } } $xml .= "</root>" ; return $xml ; } function object_to_array( $obj ) { $obj = ( array ) $obj ; foreach ( $obj as $k => $v ) { if ( gettype ( $v ) == 'resource' ) { return ; } if ( gettype ( $v ) == 'object' || gettype ( $v ) == 'array' ) { $obj [ $k ] = ( array ) object_to_array( $v ); } } return $obj ; } function nonceStr() { $chars = "abcdefghijklmnopqrstuvwxyz0123456789" ; $str = "" ; $length = 32; for ( $i = 0; $i < $length ; $i ++) { $str .= substr ( $chars , mt_rand(0, strlen ( $chars ) - 1), 1); } // 随机字符串 return $str ; } Home_index(); |