!240 【支付模块】：接入支付宝【PC网站支付】

Merge pull request !240 from gordon_xie/feature/alipay-pc

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

@@ -5,6 +5,7 @@ import cn.iocoder.yudao.framework.pay.core.client.PayClient;
 import cn.iocoder.yudao.framework.pay.core.client.PayClientConfig;
 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.AlipayPcPayClient;
 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;
@@ -69,7 +70,7 @@ public class PayClientFactoryImpl implements PayClientFactory {
             case ALIPAY_WAP: return (AbstractPayClient<Config>) new AlipayWapPayClient(channelId, (AlipayPayClientConfig) config);
             case ALIPAY_QR: return (AbstractPayClient<Config>) new AlipayQrPayClient(channelId, (AlipayPayClientConfig) config);
             case ALIPAY_APP: return (AbstractPayClient<Config>) new AlipayQrPayClient(channelId, (AlipayPayClientConfig) config);
-            case ALIPAY_PC: return (AbstractPayClient<Config>) new AlipayQrPayClient(channelId, (AlipayPayClientConfig) config);
+            case ALIPAY_PC: return (AbstractPayClient<Config>) new AlipayPcPayClient(channelId, (AlipayPayClientConfig) config);
         }
         // 创建失败，错误日志 + 抛出异常
         log.error("[createPayClient][配置({}) 找不到合适的客户端实现]", config);

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

@@ -0,0 +1,60 @@
+package cn.iocoder.yudao.framework.pay.core.client.impl.alipay;
+
+import cn.hutool.core.util.StrUtil;
+import cn.iocoder.yudao.framework.common.util.json.JsonUtils;
+import cn.iocoder.yudao.framework.pay.core.client.PayCommonResult;
+import cn.iocoder.yudao.framework.pay.core.client.dto.PayOrderUnifiedReqDTO;
+import cn.iocoder.yudao.framework.pay.core.enums.PayChannelEnum;
+import com.alibaba.fastjson.JSONObject;
+import com.alipay.api.AlipayApiException;
+import com.alipay.api.domain.AlipayTradePagePayModel;
+import com.alipay.api.request.AlipayTradePagePayRequest;
+import com.alipay.api.response.AlipayTradePagePayResponse;
+import lombok.extern.slf4j.Slf4j;
+
+
+/**
+ * 支付宝【PC网站支付】的 PayClient 实现类
+ * 文档：https://opendocs.alipay.com/open/270/105898
+ *
+ * @author XGD
+ */
+@Slf4j
+public class AlipayPcPayClient extends AbstractAlipayClient {
+
+    public AlipayPcPayClient(Long channelId, AlipayPayClientConfig config) {
+        super(channelId, PayChannelEnum.ALIPAY_PC.getCode(), config, new AlipayPayCodeMapping());
+    }
+
+    @Override
+    public PayCommonResult<AlipayTradePagePayResponse> doUnifiedOrder(PayOrderUnifiedReqDTO reqDTO) {
+        // 构建 AlipayTradePagePayModel 请求
+        AlipayTradePagePayModel model = new AlipayTradePagePayModel();
+        // 构建 AlipayTradePagePayRequest
+        AlipayTradePagePayRequest request = new AlipayTradePagePayRequest();
+        request.setBizModel(model);
+        JSONObject bizContent = new JSONObject();
+        // 参数说明可查看: https://opendocs.alipay.com/open/028r8t?scene=22
+        bizContent.put("out_trade_no", reqDTO.getMerchantOrderId());
+        bizContent.put("total_amount", calculateAmount(reqDTO.getAmount()));
+        bizContent.put("subject", reqDTO.getSubject());
+        bizContent.put("product_code", "FAST_INSTANT_TRADE_PAY");
+        // PC扫码支付的方式：支持前置模式和跳转模式。4: 订单码-可定义宽度的嵌入式二维码
+        bizContent.put("qr_pay_mode", "4");
+        // 自定义二维码宽度
+        bizContent.put("qrcode_width", "150");
+        request.setBizContent(bizContent.toJSONString());
+        request.setNotifyUrl(reqDTO.getNotifyUrl());
+        request.setReturnUrl("");
+        // 执行请求
+        AlipayTradePagePayResponse response;
+        try {
+            response = client.pageExecute(request);
+        } catch (AlipayApiException e) {
+            log.error("[unifiedOrder][request({}) 发起支付失败]", JsonUtils.toJsonString(reqDTO), e);
+            return PayCommonResult.build(e.getErrCode(), e.getErrMsg(), null, codeMapping);
+        }
+        // 响应为表单格式，前端可嵌入响应的页面或关闭当前支付窗口
+        return PayCommonResult.build(StrUtil.blankToDefault(response.getCode(),"10000") ,response.getMsg(), response, codeMapping);
+    }
+}