} else {
$out_trade_no = $_POST["out_trade_no"];
//使用订单查询接口
$orderQuery = new OrderQuery();
//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
$orderQuery->setParameter("out_trade_no", "{$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：" . $orderQueryResult['return_msg'] . "<br>";
} elseif ($orderQueryResult["result_code"] == "FAIL") {
echo "错误代码：" . $orderQueryResult['err_code'] . "<br>";
echo "错误代码描述：" . $orderQueryResult['err_code_des'] . "<br>";
} else {
echo "交易状态：" . $orderQueryResult['trade_state'] . "<br>";
echo "设备号：" . $orderQueryResult['device_info'] . "<br>";
echo "用户标识：" . $orderQueryResult['openid'] . "<br>";
echo "是否关注公众账号：" . $orderQueryResult['is_subscribe'] . "<br>";
echo "交易类型：" . $orderQueryResult['trade_type'] . "<br>";
echo "付款银行：" . $orderQueryResult['bank_type'] . "<br>";
echo "总金额：" . $orderQueryResult['total_fee'] . "<br>";
echo "现金券金额：" . $orderQueryResult['coupon_fee'] . "<br>";
