liujie
2025-12-04 8748b9ca3e0528824e2ab52682cbf7d5db6ed8f6
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package com.ruoyi.web.controller.api;
 
import com.alibaba.fastjson2.JSONObject;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.fasterxml.jackson.core.type.TypeReference;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.utils.CodeGenerateUtils;
import com.ruoyi.framework.web.service.TokenService;
import com.ruoyi.system.model.TCourseOrder;
import com.ruoyi.system.service.TCourseOrderService;
import com.ruoyi.system.wxPay.enums.RefundEnum;
import com.ruoyi.system.wxPay.enums.TradeStateEnum;
import com.ruoyi.system.wxPay.model.WeixinPayProperties;
import com.ruoyi.system.wxPay.utils.WxTimeUtils;
import com.ruoyi.system.wxPay.utils.WxV3Pay;
import com.wechat.pay.contrib.apache.httpclient.util.AesUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.poi.ss.formula.functions.T;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.math.BigDecimal;
import java.nio.charset.StandardCharsets;
import java.util.Map;
import java.util.Objects;
 
/**
 * 微信相关接口
 */
@Slf4j
@RestController
@CrossOrigin
@RequestMapping("/wx/")
@Api(tags = {"微信支付相关接口"})
public class WxPayController {
    @Autowired
    private WxV3Pay wxV3Pay;
    @Autowired
    private TokenService tokenService;
    @Autowired
    private WeixinPayProperties weixinPayProperties;
 
    @Autowired
    private TCourseOrderService courseOrderService;
 
 
 
    /**
     * 支付回调
     */
    @PostMapping("pay/notify")
    @ApiOperation("订单回调")
    public void payNotify(HttpServletRequest request, HttpServletResponse response) throws Exception {
        try {
            System.err.println("微信回调");
            BufferedReader reader = request.getReader();
            StringBuilder requestBody = new StringBuilder();
            String line;
            while ((line = reader.readLine()) != null) {
                requestBody.append(line);
            }
            System.err.println("全部请求体" + requestBody);
            JSONObject jsonObject = JSONObject.parseObject(requestBody.toString());
            JSONObject resource = jsonObject.getJSONObject("resource");
 
            AesUtil aesUtil = new AesUtil(weixinPayProperties.getV3().getApiKey().getBytes(StandardCharsets.UTF_8));
            String decryptedData = aesUtil.decryptToString(resource.getString("associated_data").getBytes(StandardCharsets.UTF_8), resource.getString("nonce").getBytes(StandardCharsets.UTF_8),
                    resource.getString("ciphertext"));
            System.err.println("微信解密的字符串信息" + decryptedData);
            JSONObject jsonInfo = JSONObject.parse(decryptedData);
            String out_trade_no = jsonInfo.getString("out_trade_no");
            String transaction_id = jsonInfo.getString("transaction_id");
            String trade_state = jsonInfo.getString("trade_state");
            String success_time = jsonInfo.getString("success_time");
            // 查询订单
 
            TCourseOrder order = courseOrderService.getOne(Wrappers.lambdaQuery(TCourseOrder.class)
                    .eq(TCourseOrder::getOrderNumber, out_trade_no).last("LIMIT 1"));
            if (trade_state.equals(TradeStateEnum.SUCCESS.name())) {
                log.info("回调成功");
                // 订单号查询订单
                order.setPayStatus(2);
                order.setPayTime(WxTimeUtils.dateToLocalDateTime(WxTimeUtils.toRfc3339Date(success_time)));
                order.setTransactionId(transaction_id);
                courseOrderService.updateById(order);
 
                PrintWriter out = response.getWriter();
                out.print("SUCCESS");
                out.flush();
                out.close();
            }
        } catch (Exception e) {
            log.error("支付回调异常:{}", e, e);
            wxV3Pay.ack(false, e.getMessage());
        }
    }
 
 
    /**
     * 退款回调
     */
//    @PostMapping("refund/notify")
//    @ApiOperation("退款回调")
//    public void refundNotify(HttpServletRequest request, HttpServletResponse response) throws Exception {
//        try {
////            System.err.println("微信回调");
////            BufferedReader reader = request.getReader();
////            StringBuilder requestBody = new StringBuilder();
////            String line;
////            while ((line = reader.readLine()) != null) {
////                requestBody.append(line);
////            }
////            System.err.println("全部请求体" + requestBody);
////            JSONObject jsonObject = JSONObject.parseObject(requestBody.toString());
////            JSONObject resource = jsonObject.getJSONObject("resource");
////            AesUtil aesUtil = new AesUtil(weixinPayProperties.getV3().getApiKey().getBytes(StandardCharsets.UTF_8));
////            String decryptedData = aesUtil.decryptToString(resource.getString("associated_data").getBytes(StandardCharsets.UTF_8), resource.getString("nonce").getBytes(StandardCharsets.UTF_8), resource.getString("ciphertext"))
//        }
//    }
    @PostMapping("refund/notify")
    public void refundNotify(HttpServletRequest request) throws IOException {
        try {
 
            System.err.println("微信退款回调");
            BufferedReader reader = request.getReader();
            StringBuilder requestBody = new StringBuilder();
            String line;
            while ((line = reader.readLine()) != null) {
                requestBody.append(line);
            }
            System.err.println("全部请求体" + requestBody);
            JSONObject jsonObject = JSONObject.parseObject(requestBody.toString());
            JSONObject resource = jsonObject.getJSONObject("resource");
 
            AesUtil aesUtil = new AesUtil(weixinPayProperties.getV3().getApiKey().getBytes(StandardCharsets.UTF_8));
            String decryptedData = aesUtil.decryptToString(resource.getString("associated_data").getBytes(StandardCharsets.UTF_8), resource.getString("nonce").getBytes(StandardCharsets.UTF_8),
                    resource.getString("ciphertext"));
            System.err.println("微信解密的字符串信息" + decryptedData);
 
            JSONObject params = JSONObject.parseObject(decryptedData);
 
            // 商户订单号
            String out_trade_no = params.get("out_trade_no").toString();
            // 商户退款单号
            String out_refund_no = params.get("out_refund_no").toString();
            // 退款状态
            String tradeState = params.get("refund_status").toString();
            // 微信支付订单号
            String transaction_id = params.get("transaction_id").toString();
            if (tradeState.equals(RefundEnum.SUCCESS.name())) {
                TCourseOrder order = courseOrderService.getOne(Wrappers.lambdaQuery(TCourseOrder.class)
                        .eq(TCourseOrder::getRefundNumber, out_refund_no).last("LIMIT 1"));
                order.setPayStatus(3);
                order.setRefundStatus(2);
                order.setRefundTransactionId(transaction_id);
                courseOrderService.updateById(order);
 
                wxV3Pay.ack();
            }
        }catch (Exception e){
            wxV3Pay.ack(false, "不是成功的退款状态");
        }
    }
}