微信支付退款API

zhsw-common/src/main/java/com/rongwei/zhsw/system/utils/WxRefundApi.java

@@ -0,0 +1,89 @@
+package com.rongwei.zhsw.system.utils;
+import com.wechat.pay.java.core.Config;
+import com.wechat.pay.java.core.RSAAutoCertificateConfig;
+import com.wechat.pay.java.core.exception.HttpException;
+import com.wechat.pay.java.core.exception.MalformedMessageException;
+import com.wechat.pay.java.core.exception.ServiceException;
+import com.wechat.pay.java.service.refund.RefundService;
+import com.wechat.pay.java.service.refund.model.AmountReq;
+import com.wechat.pay.java.service.refund.model.CreateRequest;
+import com.wechat.pay.java.service.refund.model.QueryByOutRefundNoRequest;
+import com.wechat.pay.java.service.refund.model.Refund;
+import org.springframework.core.io.ClassPathResource;
+
+public class WxRefundApi {
+    /**
+     * 商户号
+     */
+    public String merchantId = "1711246421";
+
+    /**
+     * 商户API私钥路径
+     */
+    public String privateKeyPath = "D:\\code\\project\\zhsw\\zhsw_service\\zhsw-server\\src\\main\\resources\\cert\\apiclient_key.pem";
+
+    /**
+     * 商户证书序列号
+     */
+    public String merchantSerialNumber = "6F46F471C22D410F9ECEDC8B197979A4CA42BC96";
+
+    /**
+     * 商户APIV3密钥
+     */
+    public String apiV3Key = "GBA67AVWJESPJ3TFJ3GT3NLQBEOTO1FW";
+
+    public RefundService service;
+
+    public void initMerchant() {
+        ClassPathResource classPathResource = new ClassPathResource("cert/apiclient_key.pem");
+        Config config =
+                new RSAAutoCertificateConfig.Builder()
+                        .merchantId(merchantId)
+                        // 使用 com.wechat.pay.java.core.util 中的函数从本地文件中加载商户私钥，商户私钥会用来生成请求的签名
+                        .privateKeyFromPath(privateKeyPath)
+                        .merchantSerialNumber(merchantSerialNumber)
+                        .apiV3Key(apiV3Key)
+                        .build();
+        service = new RefundService.Builder().config(config).build();
+    }
+
+    /** 退款申请 */
+    public Refund create() {
+        CreateRequest request = new CreateRequest();
+        // 调用request.setXxx(val)设置所需参数，具体参数可见Request定义
+        // 调用接口
+        // 微信支付订单号
+        request.setTransactionId("");
+        // 商户订单号
+        request.setOutTradeNo("");
+        // 商户退款单号
+        request.setOutRefundNo("");
+        // 退款原因
+        request.setReason("");
+        // 退款结果回调url
+        request.setNotifyUrl("");
+        // 退款资金来源
+//        request.setFundsAccount("AVAILABLE");
+        // 金额信息
+        AmountReq amount = new AmountReq();
+        // 退款金额
+        amount.setRefund(1L);
+        // 原订单金额
+        amount.setTotal(1L);
+        // 退款币种
+        amount.setCurrency("CNY");
+        request.setAmount(amount);
+        return service.create(request);
+    }
+
+    /** 查询单笔退款（通过商户退款单号） */
+    public Refund queryByOutRefundNo() {
+
+        QueryByOutRefundNoRequest request = new QueryByOutRefundNoRequest();
+        // 调用request.setXxx(val)设置所需参数，具体参数可见Request定义
+        // 调用接口
+        // 商户退款单号
+        request.setOutRefundNo("");
+        return service.queryByOutRefundNo(request);
+    }
+}