feat(wallet): 新增主题购买与钱包交易模块

src/main/java/com/yolo/keyborad/mapper/KeyboardThemePurchaseMapper.java

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+package com.yolo.keyborad.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.yolo.keyborad.model.entity.KeyboardThemePurchase;
+
+/*
+* @author: ziin
+* @date: 2025/12/10 19:17
+*/
+    
+public interface KeyboardThemePurchaseMapper extends BaseMapper<KeyboardThemePurchase> {
+}

src/main/java/com/yolo/keyborad/mapper/KeyboardWalletTransactionMapper.java

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+package com.yolo.keyborad.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.yolo.keyborad.model.entity.KeyboardWalletTransaction;
+
+/*
+* @author: ziin
+* @date: 2025/12/10 18:54
+*/
+    
+public interface KeyboardWalletTransactionMapper extends BaseMapper<KeyboardWalletTransaction> {
+}

src/main/java/com/yolo/keyborad/model/entity/KeyboardThemePurchase.java

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+package com.yolo.keyborad.model.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import io.swagger.v3.oas.annotations.media.Schema;
+import java.util.Date;
+import lombok.Data;
+
+/*
+* @author: ziin
+* @date: 2025/12/10 19:17
+*/
+    
+/**
+ * 皮肤购买记录表（积分支付）
+ */
+@Schema(description="皮肤购买记录表（积分支付）")
+@Data
+@TableName(value = "keyboard_theme_purchase")
+public class KeyboardThemePurchase {
+    @TableId(value = "id", type = IdType.AUTO)
+    @Schema(description="")
+    private Long id;
+
+    /**
+     * 业务订单号
+     */
+    @TableField(value = "order_no")
+    @Schema(description="业务订单号")
+    private String orderNo;
+
+    /**
+     * 购买用户ID
+     */
+    @TableField(value = "user_id")
+    @Schema(description="购买用户ID")
+    private Long userId;
+
+    /**
+     * 主题皮肤ID
+     */
+    @TableField(value = "theme_id")
+    @Schema(description="主题皮肤ID")
+    private Long themeId;
+
+    /**
+     * 皮肤原始所需积分
+     */
+    @TableField(value = "cost_points")
+    @Schema(description="皮肤原始所需积分")
+    private Integer costPoints;
+
+    /**
+     * 实际扣除积分
+     */
+    @TableField(value = "paid_points")
+    @Schema(description="实际扣除积分")
+    private Integer paidPoints;
+
+    /**
+     * 支付状态：0待支付 1已支付 2已关闭 3已退款
+     */
+    @TableField(value = "pay_status")
+    @Schema(description="支付状态：0待支付 1已支付 2已关闭 3已退款")
+    private Short payStatus;
+
+    /**
+     * 关联的积分扣费流水ID
+     */
+    @TableField(value = "wallet_tx_id")
+    @Schema(description="关联的积分扣费流水ID")
+    private Long walletTxId;
+
+    /**
+     * 已退款的积分数量
+     */
+    @TableField(value = "refund_points")
+    @Schema(description="已退款的积分数量")
+    private Integer refundPoints;
+
+    /**
+     * 积分退款完成时间
+     */
+    @TableField(value = "refunded_at")
+    @Schema(description="积分退款完成时间")
+    private Date refundedAt;
+
+    /**
+     * 创建时间
+     */
+    @TableField(value = "created_at")
+    @Schema(description="创建时间")
+    private Date createdAt;
+
+    /**
+     * 支付完成时间
+     */
+    @TableField(value = "paid_at")
+    @Schema(description="支付完成时间")
+    private Date paidAt;
+
+    /**
+     * 更新时间
+     */
+    @TableField(value = "updated_at")
+    @Schema(description="更新时间")
+    private Date updatedAt;
+
+    /**
+     * 备注或扩展信息
+     */
+    @TableField(value = "remark")
+    @Schema(description="备注或扩展信息")
+    private String remark;
+}

src/main/java/com/yolo/keyborad/model/entity/KeyboardWalletTransaction.java

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+package com.yolo.keyborad.model.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import io.swagger.v3.oas.annotations.media.Schema;
+import java.math.BigDecimal;
+import java.util.Date;
+import lombok.Data;
+
+/*
+* @author: ziin
+* @date: 2025/12/10 18:54
+*/
+    
+@Schema
+@Data
+@TableName(value = "keyboard_wallet_transaction")
+public class KeyboardWalletTransaction {
+    /**
+     * 主键 Id
+     */
+    @TableId(value = "id", type = IdType.AUTO)
+    @Schema(description="主键 Id")
+    private Long id;
+
+    /**
+     * 用户 Id
+     */
+    @TableField(value = "user_id")
+    @Schema(description="用户 Id")
+    private Long userId;
+
+    /**
+     * 订单 Id
+     */
+    @TableField(value = "order_id")
+    @Schema(description="订单 Id")
+    private Long orderId;
+
+    /**
+     * 金额
+     */
+    @TableField(value = "amount")
+    @Schema(description="金额")
+    private BigDecimal amount;
+
+    /**
+     * 变动类型
+     */
+    @TableField(value = "\"type\"")
+    @Schema(description="变动类型")
+    private Short type;
+
+    /**
+     * 变动前余额
+     */
+    @TableField(value = "before_balance")
+    @Schema(description="变动前余额")
+    private BigDecimal beforeBalance;
+
+    /**
+     * 变动后余额
+     */
+    @TableField(value = "after_balance")
+    @Schema(description="变动后余额")
+    private BigDecimal afterBalance;
+
+    /**
+     * 描述
+     */
+    @TableField(value = "description")
+    @Schema(description="描述")
+    private String description;
+
+    /**
+     * 创建时间
+     */
+    @TableField(value = "created_at")
+    @Schema(description="创建时间")
+    private Date createdAt;
+}

src/main/java/com/yolo/keyborad/service/KeyboardThemePurchaseService.java

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+package com.yolo.keyborad.service;
+
+import com.yolo.keyborad.model.entity.KeyboardThemePurchase;
+import com.baomidou.mybatisplus.extension.service.IService;
+    /*
+* @author: ziin
+* @date: 2025/12/10 19:17
+*/
+    
+public interface KeyboardThemePurchaseService extends IService<KeyboardThemePurchase>{
+
+
+}

src/main/java/com/yolo/keyborad/service/KeyboardWalletTransactionService.java

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+package com.yolo.keyborad.service;
+
+import com.yolo.keyborad.model.entity.KeyboardWalletTransaction;
+import com.baomidou.mybatisplus.extension.service.IService;
+    /*
+* @author: ziin
+* @date: 2025/12/10 18:54
+*/
+    
+public interface KeyboardWalletTransactionService extends IService<KeyboardWalletTransaction>{
+
+
+}

src/main/java/com/yolo/keyborad/service/impl/KeyboardThemePurchaseServiceImpl.java

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+package com.yolo.keyborad.service.impl;
+
+import org.springframework.stereotype.Service;
+import org.springframework.beans.factory.annotation.Autowired;
+import java.util.List;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.yolo.keyborad.model.entity.KeyboardThemePurchase;
+import com.yolo.keyborad.mapper.KeyboardThemePurchaseMapper;
+import com.yolo.keyborad.service.KeyboardThemePurchaseService;
+/*
+* @author: ziin
+* @date: 2025/12/10 19:17
+*/
+    
+@Service
+public class KeyboardThemePurchaseServiceImpl extends ServiceImpl<KeyboardThemePurchaseMapper, KeyboardThemePurchase> implements KeyboardThemePurchaseService{
+
+}

src/main/java/com/yolo/keyborad/service/impl/KeyboardWalletTransactionServiceImpl.java

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+package com.yolo.keyborad.service.impl;
+
+import org.springframework.stereotype.Service;
+import org.springframework.beans.factory.annotation.Autowired;
+import java.util.List;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.yolo.keyborad.mapper.KeyboardWalletTransactionMapper;
+import com.yolo.keyborad.model.entity.KeyboardWalletTransaction;
+import com.yolo.keyborad.service.KeyboardWalletTransactionService;
+/*
+* @author: ziin
+* @date: 2025/12/10 18:54
+*/
+    
+@Service
+public class KeyboardWalletTransactionServiceImpl extends ServiceImpl<KeyboardWalletTransactionMapper, KeyboardWalletTransaction> implements KeyboardWalletTransactionService{
+
+}

src/main/resources/mapper/KeyboardThemePurchaseMapper.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.yolo.keyborad.mapper.KeyboardThemePurchaseMapper">
+  <resultMap id="BaseResultMap" type="com.yolo.keyborad.model.entity.KeyboardThemePurchase">
+    <!--@mbg.generated-->
+    <!--@Table keyboard_theme_purchase-->
+    <id column="id" jdbcType="BIGINT" property="id" />
+    <result column="order_no" jdbcType="VARCHAR" property="orderNo" />
+    <result column="user_id" jdbcType="BIGINT" property="userId" />
+    <result column="theme_id" jdbcType="BIGINT" property="themeId" />
+    <result column="cost_points" jdbcType="INTEGER" property="costPoints" />
+    <result column="paid_points" jdbcType="INTEGER" property="paidPoints" />
+    <result column="pay_status" jdbcType="SMALLINT" property="payStatus" />
+    <result column="wallet_tx_id" jdbcType="BIGINT" property="walletTxId" />
+    <result column="refund_points" jdbcType="INTEGER" property="refundPoints" />
+    <result column="refunded_at" jdbcType="TIMESTAMP" property="refundedAt" />
+    <result column="created_at" jdbcType="TIMESTAMP" property="createdAt" />
+    <result column="paid_at" jdbcType="TIMESTAMP" property="paidAt" />
+    <result column="updated_at" jdbcType="TIMESTAMP" property="updatedAt" />
+    <result column="remark" jdbcType="VARCHAR" property="remark" />
+  </resultMap>
+  <sql id="Base_Column_List">
+    <!--@mbg.generated-->
+    id, order_no, user_id, theme_id, cost_points, paid_points, pay_status, wallet_tx_id, 
+    refund_points, refunded_at, created_at, paid_at, updated_at, remark
+  </sql>
+</mapper>

src/main/resources/mapper/KeyboardWalletTransactionMapper.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.yolo.keyborad.mapper.KeyboardWalletTransactionMapper">
+  <resultMap id="BaseResultMap" type="com.yolo.keyborad.model.entity.KeyboardWalletTransaction">
+    <!--@mbg.generated-->
+    <!--@Table keyboard_wallet_transaction-->
+    <id column="id" jdbcType="BIGINT" property="id" />
+    <result column="user_id" jdbcType="BIGINT" property="userId" />
+    <result column="order_id" jdbcType="BIGINT" property="orderId" />
+    <result column="amount" jdbcType="NUMERIC" property="amount" />
+    <result column="type" jdbcType="SMALLINT" property="type" />
+    <result column="before_balance" jdbcType="NUMERIC" property="beforeBalance" />
+    <result column="after_balance" jdbcType="NUMERIC" property="afterBalance" />
+    <result column="description" jdbcType="VARCHAR" property="description" />
+    <result column="created_at" jdbcType="TIMESTAMP" property="createdAt" />
+  </resultMap>
+  <sql id="Base_Column_List">
+    <!--@mbg.generated-->
+    id, user_id, order_id, amount, "type", before_balance, after_balance, description, 
+    created_at
+  </sql>
+</mapper>