初始化 pay 模块

pay/pay-service-api/pom.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>pay</artifactId>
+        <groupId>cn.iocoder.mall</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>pay-service-api</artifactId>
+
+
+</project>

pay/pay-service-api/src/main/java/cn/iocoder/mall/pay/api/PayService.java

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+package cn.iocoder.mall.pay.api;
+
+public interface PayService {
+}

pay/pay-service-api/src/main/java/cn/iocoder/mall/pay/api/RefundService.java

@@ -0,0 +1,4 @@
+package cn.iocoder.mall.pay.api;
+
+public interface RefundService {
+}

pay/pay-service-api/src/main/java/cn/iocoder/mall/pay/api/constant/PayErrorCodeEnum.java

@@ -0,0 +1,29 @@
+package cn.iocoder.mall.pay.api.constant;
+
+/**
+ * 错误码枚举类
+ *
+ * 管理员系统，使用 1-004-000-000 段
+ */
+public enum PayErrorCodeEnum {
+
+    // ========== PAY 模块 ==========
+    ;
+
+    private final int code;
+    private final String message;
+
+    PayErrorCodeEnum(int code, String message) {
+        this.code = code;
+        this.message = message;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+}