java后端的小程序实现微信支付，一直显示签名错误，求助帮我查找错误起点与原因和解决办法？
package mr.ali.videoapp.portal.Bo;
import com.github.binarywang.wxpay.bean.request.WxPayUnifiedOrderRequest;
import com.github.binarywang.wxpay.bean.result.WxPayUnifiedOrderResult;
import com.github.binarywang.wxpay.exception.WxPayException;
import com.github.binarywang.wxpay.service.WxPayService;
import lombok.extern.slf4j.Slf4j;
import mr.ali.videoapp.portal.model.OpenId;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
@Service
@Slf4j
public class WeChatPayService {
@Resource
RedisTemplate redisTemplate;
@Autowired
private WxPayService wxPayService;
@Resource
private HttpServletRequest request;
// 获取Logger
Logger logger = LoggerFactory.getLogger(WeChatPayService.class);
public WxPayUnifiedOrderResult createOrder(String orderId, String totalFee) throws WxPayException {
String userIp = request.getRemoteAddr();
// 用户信息通过redis获取项目中
OpenId open = (OpenId) redisTemplate.opsForValue().get("cont");
log.info("用户userIp:{}",userIp);
log.info("用户openId:{}",open.getOpenId());
// 创建统一下单请求
// WxPayUnifiedOrderRequest request = new WxPayUnifiedOrderRequest();
// request.setOutTradeNo(orderId);
// request.setTotalFee(Integer.parseInt(totalFee));
// request.setBody("商品描述");
// request.setTradeType("JSAPI");
// request.setSpbillCreateIp(userIp);
// request.setOpenid(open.getOpenId());
// request.setNotifyUrl("https://app.erkantv.cn:443/pay/notify");
WxPayUnifiedOrderRequest request = WxPayUnifiedOrderRequest.newBuilder()
.openid(open.getOpenId())
.body("商品描述")
.outTradeNo(orderId)
.totalFee(Integer.parseInt(totalFee))
.spbillCreateIp(userIp)
.notifyUrl("https://app.erkantv.cn:443/pay/notify")
.tradeType("JSAPI")
.build();
// 打印请求参数
logger.info("OpenID: {}", open.getOpenId());
logger.info("商品描述: {}", "商品描述");
logger.info("订单号: {}", orderId);
logger.info("订单金额: {}", totalFee);
logger.info("用户IP: {}", userIp);
logger.info("异步通知URL: {}", "https://app.erkantv.cn:443/pay/notify");
logger.info("交易类型: {}", "JSAPI");
// 调用微信支付接口
try {
WxPayUnifiedOrderResult result = wxPayService.unifiedOrder(request);
logger.info("统一下单结果: {}", result);
} catch (WxPayException e) {
logger.error("微信支付异常: {}", e.getMessage());
}
log.info("微信统一下单请求:{}",request);
log.info("微信统一下单请求toXML():{}",request.toXML());
// 发送请求并获取结果
return wxPayService.createOrder(request);
}
}
package mr.ali.videoapp.portal.Bo;
import com.github.binarywang.wxpay.config.WxPayConfig;
import com.github.binarywang.wxpay.service.WxPayService;
import com.github.binarywang.wxpay.service.impl.WxPayServiceImpl;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.beans.factory.annotation.Value;
@Configuration
public class WeChatPayConfig {
@Value("${wxpay.appId}")
private String appId;
@Value("${wxpay.mchId}")
private String mchId;
@Value("${wxpay.key}")
private String key;
@Value("${wxpay.notifyUrl}")
private String notifyUrl;
@Bean
public WxPayService wxPayService() {
WxPayConfig config = new WxPayConfig();
config.setAppId(appId);
config.setMchId(mchId);
config.setMchKey(key);
config.setNotifyUrl(notifyUrl);
WxPayService wxPayService = new WxPayServiceImpl();
wxPayService.setConfig(config);
return wxPayService;
}
}
package mr.ali.videoapp.portal.controller;
import com.github.binarywang.wxpay.bean.result.WxPayUnifiedOrderResult;
import com.github.binarywang.wxpay.exception.WxPayException;
import lombok.extern.slf4j.Slf4j;
import mr.ali.videoapp.portal.Bo.Order;
import mr.ali.videoapp.portal.Bo.WeChatPayService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
@RestController
@RequestMapping("/pay")
@Slf4j
public class PayController {
@Autowired
private WeChatPayService weChatPayService;
@PostMapping("/unifiedorder")
public WxPayUnifiedOrderResult createOrder(@RequestBody Order order) {
log.info("获取的orderId:{}",order.getOrderId());
log.info("获取的totalFee:{}",order.getTotalFee());
if (order.getOrderId() == null) {
order.setOrderId("your_order_id");
}
if (order.getTotalFee() == null) {
order.setTotalFee("100");
}
log.info("if之后获取的orderId:{}",order.getOrderId());
log.info("if之后获取的totalFee:{}",order.getTotalFee());
try {
// 创建订单并返回预支付信息
WxPayUnifiedOrderResult result = weChatPayService.createOrder(order.getOrderId(), order.getTotalFee());
return result;
} catch (WxPayException e) {
e.printStackTrace();
throw new RuntimeException("统一下单失败: " + e.getMessage());
}
}
}
package mr.ali.videoapp.portal.controller;
import com.github.binarywang.wxpay.bean.notify.WxPayOrderNotifyResult;
import com.github.binarywang.wxpay.exception.WxPayException;
import com.github.binarywang.wxpay.service.WxPayService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
@RestController
@RequestMapping("/pay")
@Slf4j
public class PayCallbackController {
@Autowired
private WxPayService wxPayService;
@PostMapping("/notify")
public String paymentNotify(@RequestBody String xmlData) {
log.info("支付回调通知: {}", xmlData);
try {
// 解析微信支付结果通知
WxPayOrderNotifyResult notifyResult = wxPayService.parseOrderNotifyResult(xmlData);
// TODO: 根据业务逻辑处理支付成功的订单
// 例如：更新订单状态等
// 返回成功的结果
return "支付成功";
} catch (WxPayException e) {
// 返回 fail 表示接收失败
e.printStackTrace();
return "支付失败";
}
}
}
服务器返回的错误提示 2024-10-10 12：53：11.701 信息 4273 --- [-nio-443-exec-1] m.a.videoapp.portal.Bo.WeChatPayService ： 微信统一下单请求toXML（）：<xml> <appid>wx68b7ece486eb3e32</appid> <mch_id>1694806774</mch_id> <nonce_str>1728535991527</nonce_str> <sign>1C9A076CE0ECE3701BE0D8A395619F80</sign> <body>商品描述</body> <out_trade_no>your_order_id1728535991007</out_trade_no> <total_fee>1000</total_fee> <spbill_create_ip>36.184.0.24</spbill_create_ip> <notify_url>https://app.erkantv.cn:443/pay/notify</notify_url> <trade_type>JSAPI</trade_type> <openid>oycKq5dEp9JUOR0NI1uQTLPbWGqs</openid> </xml> 2024-10-10 12：53：11.849 信息 4273 --- [-nio-443-exec-1] c.g.b.w.service.impl.WxPayServiceImpl ： 【请求地址】：https://api.mch.weixin.qq.com/pay/unifiedorder 【请求数据】：<xml> <appid>wx68b7ece486eb3e32</appid> <mch_id>1694806774</mch_id> <nonce_str>1728535991527</nonce_str> <sign>1C9A076CE0ECE3701BE0D8A395619F80</sign> <body>商品描述</body> <out_trade_no>your_order_id1728535991007</out_trade_no> <total_fee>1000</total_fee> <spbill_create_ip>36.184.0.24</spbill_create_ip> <notify_url>https://app.erkantv.cn:443/pay/notify</notify_url> <trade_type>JSAPI</trade_type> <openid>oycKq5dEp9JUOR0NI1uQTLPbWGqs</openid> </xml> 【响应数据】：<xml><return_code><![CDATA[FAIL]]></return_code> <return_msg><![CDATA[签名错误，请检查后再试]]></return_msg> </xml> 2024-10-10 12:53:11.852 ERROR 4273 --- [-nio-443-exec-1] c.g.b.w.b.r.WxPayUnifiedOrderResult : 结果业务代码异常，返回结果：{return_msg=签名错误，请检查后再试, return_code=FAIL}, 返回代码：FAIL，返回信息：签名错误，请检查后再试 WxPayException（customErrorMsg=null， returnCode=FAIL， returnMsg=签名错误，请检查后再试， resultCode=null， errCode=null， errCodeDes=null， xmlString=<xml><return_code><！[CDATA[失败]]></return_code> <return_msg><！[CDATA[签名错误，请检查后再试]]></return_msg> </xml>）
