支付

+<?php
+
+namespace app\portal\controller;
+
+use cmf\controller\HomeBaseController;
+use think\Db;
+use think\Log;
+use think\Validate;
+
+/**
+ * 微信支付,退款，提现DEMO
+ * Class PayController
+ * @package app\portal\controller
+ */
+class PayController extends HomeBaseController
+{
+
+    /**
+     * 微信支付
+     */
+    public function index(){
+
+    }
+
+    /**
+     * 支付回调
+     */
+    public function notify(){
+
+    }
+
+    /**
+     * 退款
+     * @throws \WxPayException
+     */
+    public function refund(){
+        $param           = $this->request->param();
+        $signature = $param['s'];
+        $arithmetic['timeStamp']= $param['t'];
+        $arithmetic['randomStr']= $param['r'];
+        $arithmetic['orderSn']= $param['o'];
+        $str = arithmetic($arithmetic);
+        if($str != $signature){
+            $this->error('签名验证失败');
+        }
+
+        /*微信退款*/
+        require_once EXTEND_PATH."WxpayAPI/lib/WxPay.Api.php";
+        require_once EXTEND_PATH."WxpayAPI/example/log.php";
+        if(isset($info["transaction_id"]) && empty($info["transaction_id"])){
+            $transaction_id = $info["transaction_id"];
+            $total_fee = $info["real_price"]*100;
+            $refund_fee = $info["real_price"]*100;
+            $input = new \WxPayRefund();
+            $input->SetTransaction_id($transaction_id);
+            $input->SetTotal_fee($total_fee);
+            $input->SetRefund_fee($refund_fee);
+            $input->SetOut_refund_no(\WxPayConfig::MCHID.date("YmdHis"));
+            $input->SetOp_user_id(\WxPayConfig::MCHID);
+            $ret=\WxPayApi::refund($input);
+            if($ret['result_code']=='SUCCESS'){
+                //todo 退款成功处理
+                $this->success('退款成功');
+            }else{
+                $this->error("退款失败：".$ret['err_code_des']);
+            }
+        }else{
+            $this->error('缺少退款标识');
+        }
+
+    }
+
+    /**
+     * 提现
+     */
+    public function withdraw_cash(){
+        $param           = $this->request->param();
+        $signature = $param['s'];
+        $arithmetic['timeStamp']= $param['t'];
+        $arithmetic['randomStr']= $param['r'];
+        $arithmetic['orderSn']= $param['o'];
+        $str = arithmetic($arithmetic);
+        if($str != $signature){
+            $this->error('签名验证失败');
+        }
+        $price=1;
+        $openid='';
+
+        $merch=new \MerchPay();
+        $trade_no = cmf_get_order_sn();
+        $res=$merch->pay($openid,$trade_no,$price,'提现');
+        if($res['result_code']=='SUCCESS'){
+            //todo 提现成功处理
+        }else{
+            $this->error('操作失败：'.$res['return_msg']);
+        }
+
+    }
+
+}
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