feat(warning): 新增键盘告警消息实体及CRUD支持

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

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+package com.yolo.keyborad.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.yolo.keyborad.model.entity.KeyboardWarningMessage;
+
+/*
+* @author: ziin
+* @date: 2026/2/28 13:39
+*/
+    
+public interface KeyboardWarningMessageMapper extends BaseMapper<KeyboardWarningMessage> {
+}

src/main/java/com/yolo/keyborad/model/entity/KeyboardWarningMessage.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: 2026/2/28 13:39
+*/
+    
+/**
+ * 用户注销提示信息表
+ */
+@Schema(description="用户注销提示信息表")
+@Data
+@TableName(value = "keyboard_warning_message")
+public class KeyboardWarningMessage {
+    /**
+     * 主键
+     */
+    @TableId(value = "id", type = IdType.AUTO)
+    @Schema(description="主键")
+    private Long id;
+
+    /**
+     * 地区
+     */
+    @TableField(value = "\"locale\"")
+    @Schema(description="地区")
+    private String locale;
+
+    /**
+     * 正文
+     */
+    @TableField(value = "content")
+    @Schema(description="正文")
+    private String content;
+
+    /**
+     * 更新时间
+     */
+    @TableField(value = "updated_at")
+    @Schema(description="更新时间")
+    private Date updatedAt;
+}

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

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+package com.yolo.keyborad.service;
+
+import com.yolo.keyborad.model.entity.KeyboardWarningMessage;
+import com.baomidou.mybatisplus.extension.service.IService;
+    /*
+* @author: ziin
+* @date: 2026/2/28 13:39
+*/
+    
+public interface KeyboardWarningMessageService extends IService<KeyboardWarningMessage>{
+
+
+}

src/main/java/com/yolo/keyborad/service/impl/KeyboardWarningMessageServiceImpl.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.KeyboardWarningMessageMapper;
+import com.yolo.keyborad.model.entity.KeyboardWarningMessage;
+import com.yolo.keyborad.service.KeyboardWarningMessageService;
+/*
+* @author: ziin
+* @date: 2026/2/28 13:39
+*/
+    
+@Service
+public class KeyboardWarningMessageServiceImpl extends ServiceImpl<KeyboardWarningMessageMapper, KeyboardWarningMessage> implements KeyboardWarningMessageService{
+
+}

src/main/resources/mapper/KeyboardWarningMessageMapper.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.KeyboardWarningMessageMapper">
+  <resultMap id="BaseResultMap" type="com.yolo.keyborad.model.entity.KeyboardWarningMessage">
+    <!--@mbg.generated-->
+    <!--@Table keyboard_warning_message-->
+    <id column="id" jdbcType="BIGINT" property="id" />
+    <result column="locale" jdbcType="VARCHAR" property="locale" />
+    <result column="content" jdbcType="VARCHAR" property="content" />
+    <result column="updated_at" jdbcType="TIMESTAMP" property="updatedAt" />
+  </resultMap>
+  <sql id="Base_Column_List">
+    <!--@mbg.generated-->
+    id, "locale", content, updated_at
+  </sql>
+</mapper>