From 4beed66d31755142dd69f0294fd8521f7797b66a Mon Sep 17 00:00:00 2001
From: xuhy <3313886187@qq.com>
Date: 星期三, 03 九月 2025 16:39:36 +0800
Subject: [PATCH] bug修改
---
ruoyi-service/ruoyi-other/src/main/java/com/ruoyi/other/util/payment/wx/WechatPayService.java | 72 +++++++++++++++++++++++++++++++++++
1 files changed, 71 insertions(+), 1 deletions(-)
diff --git a/ruoyi-service/ruoyi-other/src/main/java/com/ruoyi/other/util/payment/wx/WechatPayService.java b/ruoyi-service/ruoyi-other/src/main/java/com/ruoyi/other/util/payment/wx/WechatPayService.java
index 9541643..fa55680 100644
--- a/ruoyi-service/ruoyi-other/src/main/java/com/ruoyi/other/util/payment/wx/WechatPayService.java
+++ b/ruoyi-service/ruoyi-other/src/main/java/com/ruoyi/other/util/payment/wx/WechatPayService.java
@@ -87,7 +87,7 @@
params.put("out_trade_no", orderNumber);
params.put("total_fee", String.valueOf(i) );
params.put("spbill_create_ip", "221.182.45.100"); // 实际应用中应获取客户端IP
- params.put("notify_url", "http://221.182.45.100:8084"+callbackPath);
+ params.put("notify_url", "http://47.120.5.122:8080"+callbackPath);
params.put("trade_type", "NATIVE");
// 生成签名
String sign = weixinSignature(params);
@@ -110,6 +110,76 @@
resultMap.put("code",orderNumber);
return resultMap;
}
+
+ /**
+ * 统一下单
+ * @param orderNumber 订单号
+ * @param totalFee 总金额(分)
+ * @param body 商品描述
+ * @param openid 用户openid
+ * @return 预支付订单信息
+ */
+ public R unifiedOrderApplet(String orderId,String orderNumber, String totalFee, String body, String openid, String callbackPath) throws Exception {
+ int i = new BigDecimal(totalFee).multiply(new BigDecimal("100")).intValue();
+ String hostAddress = null;
+ try {
+ hostAddress = InetAddress.getLocalHost().getHostAddress();
+ } catch (UnknownHostException e) {
+ e.printStackTrace();
+ }
+ // 构建请求参数
+ Map<String, String> params = new HashMap<>();
+ params.put("appid", wechatPayConfig.getAppId());
+ params.put("mch_id", wechatPayConfig.getMchId());
+ params.put("nonce_str", generateNonceStr());
+ params.put("body", body);
+ params.put("out_trade_no", orderNumber);
+ params.put("total_fee", String.valueOf(i) );
+ params.put("spbill_create_ip", "221.182.45.100"); // 实际应用中应获取客户端IP
+ params.put("notify_url", "http://47.120.5.122:8080"+callbackPath);
+ params.put("trade_type", "JSAPI");
+ params.put("openid", openid);
+
+ // 生成签名
+ String sign = weixinSignature(params);
+ params.put("sign", sign);
+
+ // 将参数转换为XML
+ String xmlParams = XMLUtil.mapToXml(params).replaceFirst("^<\\?xml.+?\\?>\\s*", "");
+
+ // 发送请求到微信支付统一下单接口
+ String url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
+ String result = HttpUtil.post(url, xmlParams);
+
+ // 解析返回结果
+ Map<String, String> resultMap = XMLUtil.xmlToMap(result);
+
+ // 验证签名
+ if (!verifySign(resultMap, wechatPayConfig.getKey())) {
+ return R.fail("微信支付签名验证失败");
+// throw new Exception("微信支付签名验证失败");
+ }
+ if (!resultMap.get("return_code").equals("SUCCESS")) {
+ return R.fail(resultMap.get("return_msg"));
+ }
+
+ // 构建小程序支付所需参数
+ Map<String, String> payParams = new HashMap<>();
+ payParams.put("appId", wechatPayConfig.getAppId());
+ payParams.put("timeStamp", String.valueOf(System.currentTimeMillis() / 1000));
+ payParams.put("nonceStr", generateNonceStr());
+ payParams.put("package", "prepay_id=" + resultMap.get("prepay_id"));
+ payParams.put("signType", "MD5");
+
+ // 生成支付签名
+ String paySign = weixinSignature(payParams);
+ payParams.put("paySign", paySign);
+
+ //给前端标识
+ payParams.put("payMethod","1");
+ payParams.put("orderId", orderId);
+ return R.ok(JSON.toJSONString(payParams));
+ }
/**
* 微信下单的签名算法
* @param map
--
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