Detailed explanation of PHP WeChat payment examples

This article mainly introduces PHP WeChat payment examples in detail, including PHP WeChat payment source code and PHP WeChat refund source code. It has certain reference value. Interested friends can refer to it

The specific content is as follows

1.JSapi payment demo (click on WeChat client)

createOauthUrlForCode(WxPayConf_pub::JS_API_CALL_URL);
 Header("Location: $url"); 
 }else
 {
 //获取code码，以获取openid
  $code = $_GET['code'];
 $jsApi->setCode($code);
 $openid = $jsApi->getOpenId();
 }
 
 //=========步骤2：使用统一支付接口，获取prepay_id============
 //使用统一支付接口
 $unifiedOrder = new UnifiedOrder_pub();
 
 //设置统一支付接口参数
 //设置必填参数
 //appid已填,商户无需重复填写
 //mch_id已填,商户无需重复填写
 //noncestr已填,商户无需重复填写
 //spbill_create_ip已填,商户无需重复填写
 //sign已填,商户无需重复填写
 $unifiedOrder->setParameter("openid","$openid");//商品描述
 $unifiedOrder->setParameter("body","贡献一分钱");//商品描述
 //自定义订单号，此处仅作举例
 $timeStamp = time();
 $out_trade_no = WxPayConf_pub::APPID."$timeStamp";
 $unifiedOrder->setParameter("out_trade_no","$out_trade_no");//商户订单号 
 $unifiedOrder->setParameter("total_fee","1");//总金额
 $unifiedOrder->setParameter("notify_url",WxPayConf_pub::NOTIFY_URL);//通知地址 
 $unifiedOrder->setParameter("trade_type","JSAPI");//交易类型
 //非必填参数，商户可根据实际情况选填
 //$unifiedOrder->setParameter("sub_mch_id","XXXX");//子商户号 
 //$unifiedOrder->setParameter("device_info","XXXX");//设备号 
 //$unifiedOrder->setParameter("attach","XXXX");//附加数据 
 //$unifiedOrder->setParameter("time_start","XXXX");//交易起始时间
 //$unifiedOrder->setParameter("time_expire","XXXX");//交易结束时间 
 //$unifiedOrder->setParameter("goods_tag","XXXX");//商品标记 
 //$unifiedOrder->setParameter("openid","XXXX");//用户标识
 //$unifiedOrder->setParameter("product_id","XXXX");//商品ID

 $prepay_id = $unifiedOrder->getPrepayId();
 //=========步骤3：使用jsapi调起支付============
 $jsApi->setPrepayId($prepay_id);

 $jsApiParameters = $jsApi->getParameters();
 //echo $jsApiParameters;
?>

2. Native payment mode one demo (static link QR code scanned with WeChat)

setParameter("product_id","$product_id");//商品id
 //获取链接
 $product_url = $nativeLink->getUrl();

 //使用短链接转换接口
 $shortUrl = new ShortUrl_pub();
 //设置必填参数
 //appid已填,商户无需重复填写
 //mch_id已填,商户无需重复填写
 //noncestr已填,商户无需重复填写
 //sign已填,商户无需重复填写
 $shortUrl->setParameter("long_url","$product_url");//URL链接
 //获取短链接
 $codeUrl = $shortUrl->getShortUrl();
 
?>

3.native payment mode two demo (Dynamic link QR code scanned with WeChat)

 setParameter("body","贡献一分钱");//商品描述
 //自定义订单号，此处仅作举例
 $timeStamp = time();
 $out_trade_no = WxPayConf_pub::APPID."$timeStamp";
 $unifiedOrder->setParameter("out_trade_no","$out_trade_no");//商户订单号 
 $unifiedOrder->setParameter("total_fee","1");//总金额
 $unifiedOrder->setParameter("notify_url",WxPayConf_pub::NOTIFY_URL);//通知地址 
 $unifiedOrder->setParameter("trade_type","NATIVE");//交易类型
 //非必填参数，商户可根据实际情况选填
 //$unifiedOrder->setParameter("sub_mch_id","XXXX");//子商户号 
 //$unifiedOrder->setParameter("device_info","XXXX");//设备号 
 //$unifiedOrder->setParameter("attach","XXXX");//附加数据 
 //$unifiedOrder->setParameter("time_start","XXXX");//交易起始时间
 //$unifiedOrder->setParameter("time_expire","XXXX");//交易结束时间 
 //$unifiedOrder->setParameter("goods_tag","XXXX");//商品标记 
 //$unifiedOrder->setParameter("openid","XXXX");//用户标识
 //$unifiedOrder->setParameter("product_id","XXXX");//商品ID
 
 //获取统一支付接口结果
 $unifiedOrderResult = $unifiedOrder->getResult();
 
 //商户根据实际情况设置相应的处理流程
 if ($unifiedOrderResult["return_code"] == "FAIL") 
 {
 //商户自行增加处理流程
 echo "通信出错：".$unifiedOrderResult['return_msg']."
";
 }
 elseif($unifiedOrderResult["result_code"] == "FAIL")
 {
 //商户自行增加处理流程
 echo "错误代码：".$unifiedOrderResult['err_code']."
";
 echo "错误代码描述：".$unifiedOrderResult['err_code_des']."
";
 }
 elseif($unifiedOrderResult["code_url"] != NULL)
 {
 //从统一支付接口获取到code_url
 $code_url = $unifiedOrderResult["code_url"];
 //商户自行增加处理流程
 //......
 }

?>

4. Payment query interface demo

setParameter("out_trade_no","$out_trade_no");//商户订单号 
 //非必填参数，商户可根据实际情况选填
 //$orderQuery->setParameter("sub_mch_id","XXXX");//子商户号 
 //$orderQuery->setParameter("transaction_id","XXXX");//微信订单号
 
 //获取订单查询结果
 $orderQueryResult = $orderQuery->getResult();
 
 //商户根据实际情况设置相应的处理流程,此处仅作举例
 if ($orderQueryResult["return_code"] == "FAIL") {
 echo "通信出错：".$orderQueryResult['return_msg']."
";
 }
 elseif($orderQueryResult["result_code"] == "FAIL"){
 echo "错误代码：".$orderQueryResult['err_code']."
";
 echo "错误代码描述：".$orderQueryResult['err_code_des']."
";
 }
 else{
 echo "交易状态：".$orderQueryResult['trade_state']."
";
 echo "设备号：".$orderQueryResult['device_info']."
";
 echo "用户标识：".$orderQueryResult['openid']."
";
 echo "是否关注公众账号：".$orderQueryResult['is_subscribe']."
";
 echo "交易类型：".$orderQueryResult['trade_type']."
";
 echo "付款银行：".$orderQueryResult['bank_type']."
";
 echo "总金额：".$orderQueryResult['total_fee']."
";
 echo "现金券金额：".$orderQueryResult['coupon_fee']."
";
 echo "货币种类：".$orderQueryResult['fee_type']."
";
 echo "微信支付订单号：".$orderQueryResult['transaction_id']."
";
 echo "商户订单号：".$orderQueryResult['out_trade_no']."
";
 echo "商家数据包：".$orderQueryResult['attach']."
";
 echo "支付完成时间：".$orderQueryResult['time_end']."
";
 } 
 }

 //商户自行增加处理流程
 //......
 
?>

5. Billing interface demo

setParameter("bill_date","$bill_date");//对账单日期 
 $downloadBill->setParameter("bill_type","ALL");//账单类型 
 //非必填参数，商户可根据实际情况选填
 //$downloadBill->setParameter("device_info","XXXX");//设备号 
 
 //对账单接口结果
 $downloadBillResult = $downloadBill->getResult();
 echo $downloadBillResult['return_code'];
 
 if ($downloadBillResult['return_code'] == "FAIL") {
 echo "通信出错：".$downloadBillResult['return_msg'];
 }else{
 print_r('
');
 echo "【对账单详情】"."
";
 print_r($downloadBill->response);
 print_r('
');
 }
 }
 
?>

6. Refund interface demo

setParameter("out_trade_no","$out_trade_no");//商户订单号
 $refund->setParameter("out_refund_no","$out_refund_no");//商户退款单号
 $refund->setParameter("total_fee","$total_fee");//总金额
 $refund->setParameter("refund_fee","$refund_fee");//退款金额
 $refund->setParameter("op_user_id",WxPayConf_pub::MCHID);//操作员
 //非必填参数，商户可根据实际情况选填
 //$refund->setParameter("sub_mch_id","XXXX");//子商户号 
 //$refund->setParameter("device_info","XXXX");//设备号 
 //$refund->setParameter("transaction_id","XXXX");//微信订单号
 
 //调用结果
 $refundResult = $refund->getResult();
 
 //商户根据实际情况设置相应的处理流程,此处仅作举例
 if ($refundResult["return_code"] == "FAIL") {
 echo "通信出错：".$refundResult['return_msg']."
";
 }
 else{
 echo "业务结果：".$refundResult['result_code']."
";
 echo "错误代码：".$refundResult['err_code']."
";
 echo "错误代码描述：".$refundResult['err_code_des']."
";
 echo "公众账号ID：".$refundResult['appid']."
";
 echo "商户号：".$refundResult['mch_id']."
";
 echo "子商户号：".$refundResult['sub_mch_id']."
";
 echo "设备号：".$refundResult['device_info']."
";
 echo "签名：".$refundResult['sign']."
";
 echo "微信订单号：".$refundResult['transaction_id']."
";
 echo "商户订单号：".$refundResult['out_trade_no']."
";
 echo "商户退款单号：".$refundResult['out_refund_no']."
";
 echo "微信退款单号：".$refundResult['refund_idrefund_id']."
";
 echo "退款渠道：".$refundResult['refund_channel']."
";
 echo "退款金额：".$refundResult['refund_fee']."
";
 echo "现金券退款金额：".$refundResult['coupon_refund_fee']."
";
 }
 }
 
?>

7. Refund query interface demo

setParameter("out_trade_no","$out_trade_no");//商户订单号
 // $refundQuery->setParameter("out_refund_no","XXXX");//商户退款单号
 // $refundQuery->setParameter("refund_id","XXXX");//微信退款单号
 // $refundQuery->setParameter("transaction_id","XXXX");//微信退款单号
 //非必填参数，商户可根据实际情况选填
 //$refundQuery->setParameter("sub_mch_id","XXXX");//子商户号 
 //$refundQuery->setParameter("device_info","XXXX");//设备号 
 
 //退款查询接口结果
 $refundQueryResult = $refundQuery->getResult();
 
 //商户根据实际情况设置相应的处理流程,此处仅作举例
 if ($refundQueryResult["return_code"] == "FAIL") {
 echo "通信出错：".$refundQueryResult['return_msg']."
";
 }
 else{
 echo "业务结果：".$refundQueryResult['result_code']."
";
 echo "错误代码：".$refundQueryResult['err_code']."
";
 echo "错误代码描述：".$refundQueryResult['err_code_des']."
";
 echo "公众账号ID：".$refundQueryResult['appid']."
";
 echo "商户号：".$refundQueryResult['mch_id']."
";
 echo "子商户号：".$refundQueryResult['sub_mch_id']."
";
 echo "设备号：".$refundQueryResult['device_info']."
";
 echo "签名：".$refundQueryResult['sign']."
";
 echo "微信订单号：".$refundQueryResult['transaction_id']."
";
 echo "商户订单号：".$refundQueryResult['out_trade_no']."
";
 echo "退款笔数：".$refundQueryResult['refund_count']."
";
 echo "商户退款单号：".$refundQueryResult['out_refund_no']."
";
 echo "微信退款单号：".$refundQueryResult['refund_idrefund_id']."
";
 echo "退款渠道：".$refundQueryResult['refund_channel']."
";
 echo "退款金额：".$refundQueryResult['refund_fee']."
";
 echo "现金券退款金额：".$refundQueryResult['coupon_refund_fee']."
";
 echo "退款状态：".$refundQueryResult['refund_status']."
";
 }
 } 
?>

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