:bug:

【微信支付】：
WXLitePayClient.java 微信小程序支付模块：
！！前端必须传openid
PayClientFactoryImpl.java 支付客户端的工厂实现类：
添加 小程序支付模块

yudao-framework/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/PayClientFactoryImpl.java

@@ -7,6 +7,7 @@ import cn.iocoder.yudao.framework.pay.core.client.PayClientFactory;
 import cn.iocoder.yudao.framework.pay.core.client.impl.alipay.AlipayPayClientConfig;
 import cn.iocoder.yudao.framework.pay.core.client.impl.alipay.AlipayQrPayClient;
 import cn.iocoder.yudao.framework.pay.core.client.impl.alipay.AlipayWapPayClient;
+import cn.iocoder.yudao.framework.pay.core.client.impl.wx.WXLitePayClient;
 import cn.iocoder.yudao.framework.pay.core.client.impl.wx.WXNativePayClient;
 import cn.iocoder.yudao.framework.pay.core.client.impl.wx.WXPayClientConfig;
 import cn.iocoder.yudao.framework.pay.core.client.impl.wx.WXPubPayClient;
@@ -62,7 +63,7 @@ public class PayClientFactoryImpl implements PayClientFactory {
         // TODO @芋艿 WX_LITE WX_APP 如果不添加在 项目启动的时候去初始化会报错无法启动。所以我手动加了两个，具体需要你来配
         switch (channelEnum) {
             case WX_PUB: return (AbstractPayClient<Config>) new WXPubPayClient(channelId, (WXPayClientConfig) config);
-            case WX_LITE: return (AbstractPayClient<Config>) new WXPubPayClient(channelId, (WXPayClientConfig) config);
+            case WX_LITE: return (AbstractPayClient<Config>) new WXLitePayClient(channelId, (WXPayClientConfig) config); //微信小程序请求支付
             case WX_APP: return (AbstractPayClient<Config>) new WXPubPayClient(channelId, (WXPayClientConfig) config);
             case WX_NATIVE: return (AbstractPayClient<Config>) new WXNativePayClient(channelId, (WXPayClientConfig) config);
             case ALIPAY_WAP: return (AbstractPayClient<Config>) new AlipayWapPayClient(channelId, (AlipayPayClientConfig) config);

yudao-framework/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/wx/WXLitePayClient.java

@@ -0,0 +1,164 @@
+package cn.iocoder.yudao.framework.pay.core.client.impl.wx;
+
+import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.date.DateUtil;
+import cn.hutool.core.lang.Assert;
+import cn.hutool.core.map.MapUtil;
+import cn.hutool.core.util.StrUtil;
+import cn.iocoder.yudao.framework.common.util.io.FileUtils;
+import cn.iocoder.yudao.framework.common.util.object.ObjectUtils;
+import cn.iocoder.yudao.framework.pay.core.client.PayCommonResult;
+import cn.iocoder.yudao.framework.pay.core.client.dto.*;
+import cn.iocoder.yudao.framework.pay.core.client.impl.AbstractPayClient;
+import cn.iocoder.yudao.framework.pay.core.enums.PayChannelEnum;
+import com.github.binarywang.wxpay.bean.notify.WxPayOrderNotifyResult;
+import com.github.binarywang.wxpay.bean.order.WxPayMpOrderResult;
+import com.github.binarywang.wxpay.bean.request.WxPayUnifiedOrderRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayUnifiedOrderV3Request;
+import com.github.binarywang.wxpay.bean.result.WxPayUnifiedOrderV3Result;
+import com.github.binarywang.wxpay.bean.result.enums.TradeTypeEnum;
+import com.github.binarywang.wxpay.config.WxPayConfig;
+import com.github.binarywang.wxpay.constant.WxPayConstants;
+import com.github.binarywang.wxpay.exception.WxPayException;
+import com.github.binarywang.wxpay.service.WxPayService;
+import com.github.binarywang.wxpay.service.impl.WxPayServiceImpl;
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.Objects;
+
+import static cn.iocoder.yudao.framework.common.util.json.JsonUtils.toJsonString;
+import static cn.iocoder.yudao.framework.pay.core.client.impl.wx.WXCodeMapping.CODE_SUCCESS;
+import static cn.iocoder.yudao.framework.pay.core.client.impl.wx.WXCodeMapping.MESSAGE_SUCCESS;
+
+
+/**
+ *
+ * 微信小程序下支付
+ */
+@Slf4j
+public class WXLitePayClient extends AbstractPayClient<WXPayClientConfig> {
+
+    private WxPayService client;
+
+    public WXLitePayClient(Long channelId, WXPayClientConfig config) {
+        super(channelId, PayChannelEnum.WX_LITE.getCode(), config, new WXCodeMapping());
+    }
+
+    @Override
+    protected void doInit() {
+        WxPayConfig payConfig = new WxPayConfig();
+        BeanUtil.copyProperties(config, payConfig, "keyContent");
+        payConfig.setTradeType(WxPayConstants.TradeType.JSAPI); // 设置使用 JS API 支付方式
+//        if (StrUtil.isNotEmpty(config.getKeyContent())) {
+//            payConfig.setKeyContent(config.getKeyContent().getBytes(StandardCharsets.UTF_8));
+//        }
+        if (StrUtil.isNotEmpty(config.getPrivateKeyContent())) {
+            // weixin-pay-java 存在 BUG，无法直接设置内容，所以创建临时文件来解决
+            payConfig.setPrivateKeyPath(FileUtils.createTempFile(config.getPrivateKeyContent()).getPath());
+        }
+        if (StrUtil.isNotEmpty(config.getPrivateCertContent())) {
+            // weixin-pay-java 存在 BUG，无法直接设置内容，所以创建临时文件来解决
+            payConfig.setPrivateCertPath(FileUtils.createTempFile(config.getPrivateCertContent()).getPath());
+        }
+        // 真实客户端
+        this.client = new WxPayServiceImpl();
+        client.setConfig(payConfig);
+    }
+
+    @Override
+    public PayCommonResult<WxPayMpOrderResult> doUnifiedOrder(PayOrderUnifiedReqDTO reqDTO) {
+        WxPayMpOrderResult response;
+        try {
+            switch (config.getApiVersion()) {
+                case WXPayClientConfig.API_VERSION_V2:
+                    response = this.unifiedOrderV2(reqDTO);
+                    break;
+                case WXPayClientConfig.API_VERSION_V3:
+                    WxPayUnifiedOrderV3Result.JsapiResult responseV3 = this.unifiedOrderV3(reqDTO);
+                    // 将 V3 的结果，统一转换成 V2。返回的字段是一致的
+                    response = new WxPayMpOrderResult();
+                    BeanUtil.copyProperties(responseV3, response, true);
+                    break;
+                default:
+                    throw new IllegalArgumentException(String.format("未知的 API 版本(%s)", config.getApiVersion()));
+            }
+        } catch (WxPayException e) {
+            log.error("[unifiedOrder][request({}) 发起支付失败，原因({})]", toJsonString(reqDTO), e);
+            return PayCommonResult.build(ObjectUtils.defaultIfNull(e.getErrCode(), e.getReturnCode(), "CustomErrorCode"),
+                    ObjectUtils.defaultIfNull(e.getErrCodeDes(), e.getCustomErrorMsg()), null, codeMapping);
+        }
+        return PayCommonResult.build(CODE_SUCCESS, MESSAGE_SUCCESS, response, codeMapping);
+    }
+
+
+    private WxPayMpOrderResult unifiedOrderV2(PayOrderUnifiedReqDTO reqDTO) throws WxPayException {
+        // 构建 WxPayUnifiedOrderRequest 对象
+        WxPayUnifiedOrderRequest request = WxPayUnifiedOrderRequest.newBuilder()
+                .outTradeNo(reqDTO.getMerchantOrderId())
+                .body(reqDTO.getBody())
+                .totalFee(reqDTO.getAmount().intValue()) // 单位分
+                //v2的时间格式
+                .timeExpire(DateUtil.format(reqDTO.getExpireTime(), "yyyyMMddHHmmss"))
+                .spbillCreateIp(reqDTO.getUserIp())
+                .openid(getOpenid(reqDTO))
+                .notifyUrl(reqDTO.getNotifyUrl())
+                .build();
+        // 执行请求
+        return client.createOrder(request);
+    }
+
+    private WxPayUnifiedOrderV3Result.JsapiResult unifiedOrderV3(PayOrderUnifiedReqDTO reqDTO) throws WxPayException {
+        // 构建 WxPayUnifiedOrderRequest 对象
+        WxPayUnifiedOrderV3Request request = new WxPayUnifiedOrderV3Request();
+        request.setOutTradeNo(reqDTO.getMerchantOrderId());
+
+        request.setDescription(reqDTO.getBody());
+        request.setAmount(new WxPayUnifiedOrderV3Request
+                .Amount()
+                .setTotal(reqDTO
+                        .getAmount()
+                        .intValue())); // 单位分
+        //v3的时间格式
+        request.setTimeExpire(DateUtil.format(reqDTO.getExpireTime(), "yyyy-MM-dd'T'HH:mm:ssXXX"));
+        request.setPayer(new WxPayUnifiedOrderV3Request
+                .Payer()
+                .setOpenid(getOpenid(reqDTO)));
+        request.setSceneInfo(new WxPayUnifiedOrderV3Request.SceneInfo().setPayerClientIp(reqDTO.getUserIp()));
+        request.setNotifyUrl(reqDTO.getNotifyUrl());
+        // 执行请求
+        return client.createOrderV3(TradeTypeEnum.JSAPI, request);
+    }
+
+    private static String getOpenid(PayOrderUnifiedReqDTO reqDTO) {
+        String openid = MapUtil.getStr(reqDTO.getChannelExtras(), "openid");
+        if (StrUtil.isEmpty(openid)) {
+            throw new IllegalArgumentException("支付请求的 openid 不能为空！");
+        }
+        return openid;
+    }
+
+    @Override
+    public PayOrderNotifyRespDTO parseOrderNotify(PayNotifyDataDTO data) throws WxPayException {
+        WxPayOrderNotifyResult notifyResult = client.parseOrderNotifyResult(data.getBody());
+        Assert.isTrue(Objects.equals(notifyResult.getResultCode(), "SUCCESS"), "支付结果非 SUCCESS");
+        // 转换结果
+        return PayOrderNotifyRespDTO.builder().orderExtensionNo(notifyResult.getOutTradeNo())
+                .channelOrderNo(notifyResult.getTransactionId()).channelUserId(notifyResult.getOpenid())
+                .successTime(DateUtil.parse(notifyResult.getTimeEnd(), "yyyyMMddHHmmss"))
+                .data(data.getBody()).build();
+    }
+
+    @Override
+    public PayRefundNotifyDTO parseRefundNotify(PayNotifyDataDTO notifyData) {
+        //TODO 需要实现
+        throw new UnsupportedOperationException("需要实现");
+    }
+
+
+    @Override
+    protected PayCommonResult<PayRefundUnifiedRespDTO> doUnifiedRefund(PayRefundUnifiedReqDTO reqDTO) throws Throwable {
+        //TODO 需要实现
+        throw new UnsupportedOperationException();
+    }
+
+}