feat(themes): 新增主题查询与风格筛选接口

src/main/java/com/yolo/keyborad/controller/ThemesController.java

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+package com.yolo.keyborad.controller;
+
+import com.yolo.keyborad.common.BaseResponse;
+import com.yolo.keyborad.common.ResultUtils;
+import com.yolo.keyborad.model.vo.themes.KeyboradThemesRespVO;
+import com.yolo.keyborad.service.KeyboradThemesService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.annotation.Resource;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+/*
+ * @author: ziin
+ * @date: 2025/12/9 14:53
+ */
+@RestController
+@Slf4j
+@RequestMapping("/themes")
+@Tag(name = "主题")
+public class ThemesController {
+
+    @Resource
+    private KeyboradThemesService themesService;
+
+    @GetMapping("/list")
+    @Operation(summary = "查询所有主题", description = "查询所有主题列表接口")
+    public BaseResponse<List<KeyboradThemesRespVO>> list() {
+        return ResultUtils.success(themesService.selectAllThemes());
+    }
+
+    @GetMapping("/listByStyle")
+    @Operation(summary = "按风格查询主题", description = "按主题风格查询主题列表接口")
+    public BaseResponse<List<KeyboradThemesRespVO>> listByStyle(@RequestParam("themeStyle") Long themeStyleId) {
+        return ResultUtils.success(themesService.selectThemesByStyle(themeStyleId));
+    }
+
+
+}

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

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+package com.yolo.keyborad.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.yolo.keyborad.model.entity.KeyboardThemeStyles;
+
+/*
+* @author: ziin
+* @date: 2025/12/9 15:20
+*/
+    
+public interface KeyboardThemeStylesMapper extends BaseMapper<KeyboardThemeStyles> {
+}

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

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+package com.yolo.keyborad.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.yolo.keyborad.model.entity.KeyboradThemes;
+
+/*
+* @author: ziin
+* @date: 2025/12/9 14:51
+*/
+    
+public interface KeyboradThemesMapper extends BaseMapper<KeyboradThemes> {
+}

src/main/java/com/yolo/keyborad/model/entity/KeyboardThemeStyles.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: 2025/12/9 15:20
+*/
+    
+@Schema
+@Data
+@TableName(value = "keyboard_theme_styles")
+public class KeyboardThemeStyles {
+    /**
+     * 主键 Id
+     */
+    @TableId(value = "id", type = IdType.AUTO)
+    @Schema(description="主键 Id")
+    private Long id;
+
+    /**
+     * 风格名称
+     */
+    @TableField(value = "style_name")
+    @Schema(description="风格名称")
+    private String styleName;
+
+    /**
+     * 是否删除
+     */
+    @TableField(value = "deleted")
+    @Schema(description="是否删除")
+    private Boolean deleted;
+
+    @TableField(value = "created_at")
+    @Schema(description="")
+    private Date createdAt;
+
+    @TableField(value = "updated_at")
+    @Schema(description="")
+    private Date updatedAt;
+}

src/main/java/com/yolo/keyborad/model/entity/KeyboradThemes.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: 2025/12/9 14:51
+*/
+    
+@Schema
+@Data
+@TableName(value = "keyborad_themes")
+public class KeyboradThemes {
+    /**
+     * 主键 Id
+     */
+    @TableId(value = "id", type = IdType.AUTO)
+    @Schema(description="主键 Id")
+    private Long id;
+
+    /**
+     * 键盘皮肤名称
+     */
+    @TableField(value = "theme_name")
+    @Schema(description="键盘皮肤名称")
+    private String themeName;
+
+    /**
+     * 键盘价格
+     */
+    @TableField(value = "theme_price")
+    @Schema(description="键盘价格")
+    private BigDecimal themePrice;
+
+    /**
+     * 主题标签
+     */
+    @TableField(value = "theme_tag")
+    @Schema(description="主题标签")
+    private String themeTag;
+
+    /**
+     * 主题下载次数
+     */
+    @TableField(value = "theme_download")
+    @Schema(description="主题下载次数")
+    private String themeDownload;
+
+    /**
+     * 主题风格
+     */
+    @TableField(value = "theme_style")
+    @Schema(description="主题风格")
+    private Long themeStyle;
+
+    /**
+     * 主题状态
+     */
+    @TableField(value = "theme_status")
+    @Schema(description="主题状态")
+    private Boolean themeStatus;
+
+    /**
+     * 主题购买次数
+     */
+    @TableField(value = "theme_purchases_number")
+    @Schema(description="主题购买次数")
+    private Long themePurchasesNumber;
+
+    /**
+     * 是否删除
+     */
+    @TableField(value = "deleted")
+    @Schema(description="是否删除")
+    private Boolean deleted;
+
+    /**
+     * 创建时间
+     */
+    @TableField(value = "created_at")
+    @Schema(description="创建时间")
+    private Date createdAt;
+
+    /**
+     * 更新时间
+     */
+    @TableField(value = "updated_at")
+    @Schema(description="更新时间")
+    private Date updatedAt;
+}

src/main/java/com/yolo/keyborad/model/vo/themes/KeyboradThemesRespVO.java

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+package com.yolo.keyborad.model.vo.themes;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.math.BigDecimal;
+
+/*
+ * @author: ziin
+ * @date: 2025/12/9
+ */
+@Schema(description = "主题返回对象")
+@Data
+public class KeyboradThemesRespVO {
+    /**
+     * 主键 Id
+     */
+    @Schema(description = "主键 Id")
+    private Long id;
+
+    /**
+     * 键盘皮肤名称
+     */
+    @Schema(description = "键盘皮肤名称")
+    private String themeName;
+
+    /**
+     * 键盘价格
+     */
+    @Schema(description = "键盘价格")
+    private BigDecimal themePrice;
+
+    /**
+     * 主题标签
+     */
+    @Schema(description = "主题标签")
+    private String themeTag;
+
+    /**
+     * 主题下载次数
+     */
+    @Schema(description = "主题下载次数")
+    private String themeDownload;
+
+    /**
+     * 主题风格
+     */
+    @Schema(description = "主题风格")
+    private Long themeStyle;
+
+    /**
+     * 主题状态
+     */
+    @Schema(description = "主题状态")
+    private Boolean themeStatus;
+
+    /**
+     * 主题购买次数
+     */
+    @Schema(description = "主题购买次数")
+    private Long themePurchasesNumber;
+}

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

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+package com.yolo.keyborad.service;
+
+import com.yolo.keyborad.model.entity.KeyboardThemeStyles;
+import com.baomidou.mybatisplus.extension.service.IService;
+    /*
+* @author: ziin
+* @date: 2025/12/9 15:20
+*/
+    
+public interface KeyboardThemeStylesService extends IService<KeyboardThemeStyles>{
+
+
+}

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

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+package com.yolo.keyborad.service;
+
+import com.yolo.keyborad.model.entity.KeyboradThemes;
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.yolo.keyborad.model.vo.themes.KeyboradThemesRespVO;
+
+import java.util.List;
+/*
+* @author: ziin
+* @date: 2025/12/9 14:51
+*/
+    
+public interface KeyboradThemesService extends IService<KeyboradThemes>{
+
+    /**
+     * 查询所有主题列表(未删除且上架)
+     * @return 主题列表
+     */
+    List<KeyboradThemesRespVO> selectAllThemes();
+
+    /**
+     * 按主题风格查询主题列表(未删除且上架)
+     * @param themeStyle 主题风格
+     * @return 主题列表
+     */
+    List<KeyboradThemesRespVO> selectThemesByStyle(Long themeStyle);
+
+}

src/main/java/com/yolo/keyborad/service/impl/KeyboardThemeStylesServiceImpl.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.KeyboardThemeStylesMapper;
+import com.yolo.keyborad.model.entity.KeyboardThemeStyles;
+import com.yolo.keyborad.service.KeyboardThemeStylesService;
+/*
+* @author: ziin
+* @date: 2025/12/9 15:20
+*/
+    
+@Service
+public class KeyboardThemeStylesServiceImpl extends ServiceImpl<KeyboardThemeStylesMapper, KeyboardThemeStyles> implements KeyboardThemeStylesService{
+
+}

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

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+package com.yolo.keyborad.service.impl;
+
+import cn.hutool.core.bean.BeanUtil;
+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.KeyboradThemesMapper;
+import com.yolo.keyborad.model.entity.KeyboradThemes;
+import com.yolo.keyborad.model.vo.themes.KeyboradThemesRespVO;
+import com.yolo.keyborad.service.KeyboradThemesService;
+/*
+* @author: ziin
+* @date: 2025/12/9 14:51
+*/
+    
+@Service
+public class KeyboradThemesServiceImpl extends ServiceImpl<KeyboradThemesMapper, KeyboradThemes> implements KeyboradThemesService{
+
+    @Override
+    public List<KeyboradThemesRespVO> selectAllThemes() {
+        List<KeyboradThemes> themesList = this.lambdaQuery()
+                .eq(KeyboradThemes::getDeleted, false)
+                .eq(KeyboradThemes::getThemeStatus, false)
+                .list();
+        return BeanUtil.copyToList(themesList, KeyboradThemesRespVO.class);
+    }
+
+    @Override
+    public List<KeyboradThemesRespVO> selectThemesByStyle(Long themeStyle) {
+        List<KeyboradThemes> themesList = this.lambdaQuery()
+                .eq(KeyboradThemes::getDeleted, false)
+                .eq(KeyboradThemes::getThemeStatus, false)
+                .eq(KeyboradThemes::getThemeStyle, themeStyle)
+                .list();
+        return BeanUtil.copyToList(themesList, KeyboradThemesRespVO.class);
+    }
+}

src/main/resources/mapper/KeyboardThemeStylesMapper.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.KeyboardThemeStylesMapper">
+  <resultMap id="BaseResultMap" type="com.yolo.keyborad.model.entity.KeyboardThemeStyles">
+    <!--@mbg.generated-->
+    <!--@Table keyboard_theme_styles-->
+    <id column="id" jdbcType="BIGINT" property="id" />
+    <result column="style_name" jdbcType="VARCHAR" property="styleName" />
+    <result column="deleted" jdbcType="BOOLEAN" property="deleted" />
+    <result column="created_at" jdbcType="TIMESTAMP" property="createdAt" />
+    <result column="updated_at" jdbcType="DATE" property="updatedAt" />
+  </resultMap>
+  <sql id="Base_Column_List">
+    <!--@mbg.generated-->
+    id, style_name, deleted, created_at, updated_at
+  </sql>
+</mapper>

src/main/resources/mapper/KeyboradThemesMapper.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.KeyboradThemesMapper">
+  <resultMap id="BaseResultMap" type="com.yolo.keyborad.model.entity.KeyboradThemes">
+    <!--@mbg.generated-->
+    <!--@Table keyborad_themes-->
+    <id column="id" jdbcType="BIGINT" property="id" />
+    <result column="theme_name" jdbcType="VARCHAR" property="themeName" />
+    <result column="theme_price" jdbcType="NUMERIC" property="themePrice" />
+    <result column="theme_tag" jdbcType="CHAR" property="themeTag" />
+    <result column="theme_download" jdbcType="VARCHAR" property="themeDownload" />
+    <result column="theme_style" jdbcType="BIGINT" property="themeStyle" />
+    <result column="theme_status" jdbcType="BOOLEAN" property="themeStatus" />
+    <result column="theme_purchases_number" jdbcType="BIGINT" property="themePurchasesNumber" />
+    <result column="deleted" jdbcType="BOOLEAN" property="deleted" />
+    <result column="created_at" jdbcType="TIMESTAMP" property="createdAt" />
+    <result column="updated_at" jdbcType="TIMESTAMP" property="updatedAt" />
+  </resultMap>
+  <sql id="Base_Column_List">
+    <!--@mbg.generated-->
+    id, theme_name, theme_price, theme_tag, theme_download, theme_style, theme_status, 
+    theme_purchases_number, deleted, created_at, updated_at
+  </sql>
+</mapper>