Jsapi支付

2026-01-23 10:35:46 +08:00
parent 5bde9a9de4
commit e2f25286c6
2 changed files with 154 additions and 1 deletions
--- a/extend/WxPay/WxPay.php
+++ b/extend/WxPay/WxPay.php
@@ -1,5 +1,7 @@
 <?php

+use addons\epay\library\Service;
+use think\Log;

 class WxPay
 {
@@ -475,4 +477,97 @@ class WxPay
        }
        return $output;
    }
+
+
+
+    /**
+     * 获取支付参数 (统一下单)
+     * @ApiMethod (POST)
+     * @ApiRoute  (/api/pay/create)
+     */
+    public function WxPayMp($d)
+    {
+        $total_fee = abs(floatval($d['money'])) * 100;// 微信支付 单位为分
+        // 1. 接收参数
+
+        $order_no = $d['order_sn'];
+        $amount = $total_fee;
+        $openid = $d['openid'];
+        $pay_type = 'wechat'; // wechat 或 alipay
+
+        if (!$order_no || !$amount || !$openid) {
+            $this->error('参数不完整');
+        }
+
+        // 3. 生成支付参数
+        try {
+            $params = [
+                'amount'    => sprintf('%.2f', $amount), // 单位：元
+                'orderid'   => $order_no,
+                'type'      => $pay_type,
+                'title'     => '商品支付-' . $order_no,
+                'notifyurl' => url('/api/pay/notify', '', true, true), // 异步通知
+                'returnurl' => url('/index/index', '', true, true), // 支付后跳转
+                'method'    => 'mp', // mp=公众号支付, miniapp=小程序支付
+                'openid'    => $openid, // 必须
+            ];
+
+            // 4. 调用 epay 插件统一下单
+            $result = Service::submitOrder($params);
+
+            // 5. 返回前端所需参数
+            $this->success('成功', [
+                'order_no'   => $order_no,
+                'pay_params' => $result, // 插件返回的支付参数
+                'timestamp'  => time(),
+            ]);
+
+        } catch (\Exception $e) {
+            Log::error('支付下单失败: ' . $e->getMessage());
+            $this->error('支付创建失败: ' . $e->getMessage());
+        }
+    }
+
+
+    /**
+     * 微信支付Jsapa
+     * @param string $data 业务参数 body out_trade_no total_fee
+     * @param string $data ['out_trade_no'] 订单号  必填
+     * @param string $data ['total_fee'] 订单金额  必填
+     * @param string $data ['body'] 订单详情  必填
+     * @return $response 返回app所需字符串
+     */
+    public function WxPayJsapi($d) {
+        $total_fee = abs(floatval($d['money'])) * 100;// 微信支付 单位为分
+
+        $ip = $this->get_client_ip();
+        if ($ip == '::1')
+            $ip = '1.1.1.1';
+
+        $data ["appid"] = \think\Env::get('wechatpay.appid');
+        $data ["mch_id"] = \think\Env::get('wechatpay.mch_id');
+        $data ["nonce_str"] = $this->getRandChar(32);
+        $data ["body"] = $d['remarke'];
+        $data ["out_trade_no"] = $d['order_sn'];
+        $data ["total_fee"] = $total_fee;
+        $data ["spbill_create_ip"] = $ip;
+        $data ["notify_url"] = get_system_config_value("web_site")."/api/Payment/notify_wx";
+        $data ["trade_type"] = "JSAPI";
+        $data ["openid"] = $d['openid'];// 必须
+
+        $s = $this->getSign($data);
+        $data ["sign"] = $s;
+
+        $xml = $this->arrayToXml($data);
+        $url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
+        $response = $this->postXmlCurl($xml, $url);
+        $re = $this->xmlstr_to_array($response);
+
+        if ($re ['return_code'] == 'FAIL') {
+            return array(-1, '订单创建失败!'.\think\Env::get('wechatpay.api_v3_key'), $re['return_msg']);
+        }
+        // 二次签名
+        $reapp = $this->getOrder($re['prepay_id']);
+        return $reapp;
+    }
 }