1.JSapi支付demo(在微信客户端中点击)

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支付模式一demo(用微信扫的静态链接二维码)

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支付模式二demo(用微信扫的动态链接二维码)

 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.支付查询接口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.对账单接口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.退款接口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.退款查询接口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']."
";
 }
 } 
?>