初始化 pay 的表（支付部分，不包括退款等）

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

+package cn.iocoder.mall.pay.api.constant;
+
+/**
+ * 支付通道
+ */
+public enum PayChannel {
+
+    WEIXIN_APP(100, "wx", "微信 App 支付"),
+    WEIXIN_PUB(100, "wx", "微信 JS API 支付"),
+
+    ALIPAY(200, "alipay", "微信支付");
+
+    /**
+     * 渠道编号
+     */
+    private Integer id;
+    /**
+     * 编码
+     */
+    private String code;
+    /**
+     * 渠道名
+     */
+    private String name;
+
+    PayChannel(Integer id, String code, String name) {
+        this.id = id;
+        this.code = code;
+        this.name = name;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public String getCode() {
+        return code;
+    }
+
+    public String getName() {
+        return name;
+    }
+}
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pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/dataobject/PayAppDO.java

+package cn.iocoder.mall.pay.dataobject;
+
+import cn.iocoder.common.framework.dataobject.BaseDO;
+
+/**
+ * TODO 支付应用（业务线）DO
+ */
+public class PayAppDO extends BaseDO {
+
+    /**
+     * 应用编号
+     */
+    private String id;
+
+}
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pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/dataobject/PayLogDO.java

+package cn.iocoder.mall.pay.dataobject;
+
+/**
+ * 交易日志 DO
+ *
+ * 通过该日志，我们可以追溯整个执行过程
+ *
+ * TODO 芋艿，后面在捉摸
+ */
+public class PayLogDO {
+
+    /**
+     * 编号，自增
+     */
+    private Integer id;
+    /**
+     * 应用编号
+     */
+    private String appId;
+    /**
+     * 业务线订单编号
+     */
+    private Integer orderId;
+}
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pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/dataobject/PayNotifyAppLogDO.java

+package cn.iocoder.mall.pay.dataobject;
+
+/**
+ *
+ */
+public class PayNotifyAppLogDO {
+}

pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/dataobject/PayRefundDO.java

+package cn.iocoder.mall.pay.dataobject;
+
+public class PayRefundDO {
+}

pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/dataobject/PayRepeatTransactionDO.java

+package cn.iocoder.mall.pay.dataobject;
+
+/**
+ * TODO 重复支付的交易
+ */
+public class PayRepeatTransactionDO {
+}

pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/dataobject/PayTransactionDO.java

+package cn.iocoder.mall.pay.dataobject;
+
+import cn.iocoder.common.framework.dataobject.BaseDO;
+
+import java.util.Date;
+
+/**
+ * 支付交易 DO
+ */
+public class PayTransactionDO extends BaseDO {
+
+    /**
+     * 编号，自增
+     */
+    private Integer id;
+    /**
+     * 应用编号
+     *
+     * 不同业务线分配不同的 appId
+     * 举个例子，
+     * 1. 电商系统的订单，appId = 1024
+     * 2. 活动系统的订单，appId = 2048
+     */
+    private String appId;
+    /**
+     * 发起交易的 IP
+     */
+    private String createIp;
+    /**
+     * 业务线的订单编号
+     *
+     * 1. 使用 String 的原因是，业务线可能使用 String 做为编号
+     * 2. 每个 appId 下，orderId 唯一
+     */
+    private String orderId;
+    /**
+     * 订单状态
+     *
+     * 0 ： 等待支付
+     * 1 ： 待付款完成
+     * 2 ： 该笔交易已关闭 TODO 交易关闭，是不是订单系统触发
+     * -1 ： 支付失败 TODO 怎么触发
+     */
+    private Integer orderStatus;
+    /**
+     * 订单商品名
+     */
+    private String orderSubject;
+    /**
+     * 订单商品描述
+     */
+    private String orderDescription;
+    /**
+     * 订单备注
+     */
+    private String orderMemo;
+    /**
+     * 支付金额，单位：分。
+     *
+     * TODO 暂时不考虑货币类型。
+     */
+    private Integer price;
+    /**
+     * 交易过期时间
+     */
+    private Integer expireTime;
+
+    // TODO return url
+    // TODO notify url
+
+    /**
+     * 支付成功的支付渠道
+     */
+    private Integer payChannel;
+    /**
+     * 第三方支付成功的时间
+     */
+    private Date paymentTime;
+    /**
+     * 收到第三方系统通知的时间
+     *
+     * 一般情况下，即第三方系统的异步通知
+     */
+    private Date notifyTime;
+    /**
+     * 第三方的流水号
+     */
+    private String tradeNo;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public PayTransactionDO setId(Integer id) {
+        this.id = id;
+        return this;
+    }
+
+    public String getAppId() {
+        return appId;
+    }
+
+    public PayTransactionDO setAppId(String appId) {
+        this.appId = appId;
+        return this;
+    }
+
+    public String getCreateIp() {
+        return createIp;
+    }
+
+    public PayTransactionDO setCreateIp(String createIp) {
+        this.createIp = createIp;
+        return this;
+    }
+
+    public String getOrderId() {
+        return orderId;
+    }
+
+    public PayTransactionDO setOrderId(String orderId) {
+        this.orderId = orderId;
+        return this;
+    }
+
+    public Integer getOrderStatus() {
+        return orderStatus;
+    }
+
+    public PayTransactionDO setOrderStatus(Integer orderStatus) {
+        this.orderStatus = orderStatus;
+        return this;
+    }
+
+    public Integer getPrice() {
+        return price;
+    }
+
+    public PayTransactionDO setPrice(Integer price) {
+        this.price = price;
+        return this;
+    }
+
+    public Integer getPayChannel() {
+        return payChannel;
+    }
+
+    public PayTransactionDO setPayChannel(Integer payChannel) {
+        this.payChannel = payChannel;
+        return this;
+    }
+
+    public Integer getExpireTime() {
+        return expireTime;
+    }
+
+    public PayTransactionDO setExpireTime(Integer expireTime) {
+        this.expireTime = expireTime;
+        return this;
+    }
+
+    public Date getPaymentTime() {
+        return paymentTime;
+    }
+
+    public PayTransactionDO setPaymentTime(Date paymentTime) {
+        this.paymentTime = paymentTime;
+        return this;
+    }
+
+    public Date getNotifyTime() {
+        return notifyTime;
+    }
+
+    public PayTransactionDO setNotifyTime(Date notifyTime) {
+        this.notifyTime = notifyTime;
+        return this;
+    }
+
+    public String getTradeNo() {
+        return tradeNo;
+    }
+
+    public PayTransactionDO setTradeNo(String tradeNo) {
+        this.tradeNo = tradeNo;
+        return this;
+    }
+
+    public String getOrderSubject() {
+        return orderSubject;
+    }
+
+    public PayTransactionDO setOrderSubject(String orderSubject) {
+        this.orderSubject = orderSubject;
+        return this;
+    }
+
+    public String getOrderDescription() {
+        return orderDescription;
+    }
+
+    public PayTransactionDO setOrderDescription(String orderDescription) {
+        this.orderDescription = orderDescription;
+        return this;
+    }
+
+    public String getOrderMemo() {
+        return orderMemo;
+    }
+
+    public PayTransactionDO setOrderMemo(String orderMemo) {
+        this.orderMemo = orderMemo;
+        return this;
+    }
+}
\ No newline at end of file

pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/dataobject/PayTransactionExtensionDO.java

+package cn.iocoder.mall.pay.dataobject;
+
+import cn.iocoder.common.framework.dataobject.BaseDO;
+
+/**
+ * 交易扩展表
+ */
+public class PayTransactionExtensionDO extends BaseDO {
+
+    /**
+     * 编号，自增
+     */
+    private Integer id;
+    /**
+     * 交易编号 {@link PayTransactionDO#getId()}
+     */
+    private Integer transactionId;
+    /**
+     * 选择的支付渠道
+     */
+    private Integer payChannel;
+    /**
+     * 生成传输给第三方的订单号
+     */
+    private String transactionCode;
+    /**
+     * 发起调用的次数
+     *
+     * TODO 芋艿，需要去请教下
+     */
+    private Integer callNum;
+    /**
+     * 扩展内容
+     *
+     * 异步通知的时候填充回调的数据
+     */
+    private String extensionData;
+    /**
+     * 发起交易的 IP
+     */
+    private String createIp;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public PayTransactionExtensionDO setId(Integer id) {
+        this.id = id;
+        return this;
+    }
+
+    public Integer getTransactionId() {
+        return transactionId;
+    }
+
+    public PayTransactionExtensionDO setTransactionId(Integer transactionId) {
+        this.transactionId = transactionId;
+        return this;
+    }
+
+    public Integer getPayChannel() {
+        return payChannel;
+    }
+
+    public PayTransactionExtensionDO setPayChannel(Integer payChannel) {
+        this.payChannel = payChannel;
+        return this;
+    }
+
+    public String getTransactionCode() {
+        return transactionCode;
+    }
+
+    public PayTransactionExtensionDO setTransactionCode(String transactionCode) {
+        this.transactionCode = transactionCode;
+        return this;
+    }
+
+    public Integer getCallNum() {
+        return callNum;
+    }
+
+    public PayTransactionExtensionDO setCallNum(Integer callNum) {
+        this.callNum = callNum;
+        return this;
+    }
+
+    public String getExtensionData() {
+        return extensionData;
+    }
+
+    public PayTransactionExtensionDO setExtensionData(String extensionData) {
+        this.extensionData = extensionData;
+        return this;
+    }
+
+    public String getCreateIp() {
+        return createIp;
+    }
+
+    public PayTransactionExtensionDO setCreateIp(String createIp) {
+        this.createIp = createIp;
+        return this;
+    }
+
+}
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