serv-初始mapper

schoolNewsServ/system/src/main/java/org/xyzh/system/mapper/SysConfigMapper.java

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+package org.xyzh.system.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+import org.xyzh.common.dto.system.TbSysConfig;
+
+import java.util.List;
+
+/**
+ * @description 系统配置数据访问层
+ * @filename SysConfigMapper.java
+ * @author system
+ * @copyright xyzh
+ * @since 2025-10-15
+ */
+@Mapper
+public interface SysConfigMapper extends BaseMapper<TbSysConfig> {
+
+    /**
+     * @description 查询系统配置列表
+     * @param filter 过滤条件
+     * @return List<TbSysConfig> 系统配置列表
+     * @author system
+     * @since 2025-10-15
+     */
+    List<TbSysConfig> selectSysConfigs(TbSysConfig filter);
+}

schoolNewsServ/system/src/main/java/org/xyzh/system/mapper/SysDictDataMapper.java

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+package org.xyzh.system.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+import org.xyzh.common.dto.system.TbSysDictData;
+
+import java.util.List;
+
+/**
+ * @description 字典数据数据访问层
+ * @filename SysDictDataMapper.java
+ * @author system
+ * @copyright xyzh
+ * @since 2025-10-15
+ */
+@Mapper
+public interface SysDictDataMapper extends BaseMapper<TbSysDictData> {
+
+    /**
+     * @description 查询字典数据列表
+     * @param filter 过滤条件
+     * @return List<TbSysDictData> 字典数据列表
+     * @author system
+     * @since 2025-10-15
+     */
+    List<TbSysDictData> selectSysDictData(TbSysDictData filter);
+}

schoolNewsServ/system/src/main/java/org/xyzh/system/mapper/SysDictTypeMapper.java

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+package org.xyzh.system.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+import org.xyzh.common.dto.system.TbSysDictType;
+
+import java.util.List;
+
+/**
+ * @description 字典类型数据访问层
+ * @filename SysDictTypeMapper.java
+ * @author system
+ * @copyright xyzh
+ * @since 2025-10-15
+ */
+@Mapper
+public interface SysDictTypeMapper extends BaseMapper<TbSysDictType> {
+
+    /**
+     * @description 查询字典类型列表
+     * @param filter 过滤条件
+     * @return List<TbSysDictType> 字典类型列表
+     * @author system
+     * @since 2025-10-15
+     */
+    List<TbSysDictType> selectSysDictTypes(TbSysDictType filter);
+}

schoolNewsServ/system/src/main/java/org/xyzh/system/mapper/SysFileMapper.java

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+package org.xyzh.system.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+import org.xyzh.common.dto.system.TbSysFile;
+
+import java.util.List;
+
+/**
+ * @description 文件上传记录数据访问层
+ * @filename SysFileMapper.java
+ * @author system
+ * @copyright xyzh
+ * @since 2025-10-15
+ */
+@Mapper
+public interface SysFileMapper extends BaseMapper<TbSysFile> {
+
+    /**
+     * @description 查询文件上传记录列表
+     * @param filter 过滤条件
+     * @return List<TbSysFile> 文件上传记录列表
+     * @author system
+     * @since 2025-10-15
+     */
+    List<TbSysFile> selectSysFiles(TbSysFile filter);
+}

schoolNewsServ/system/src/main/java/org/xyzh/system/mapper/SysNotificationMapper.java

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+package org.xyzh.system.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+import org.xyzh.common.dto.system.TbSysNotification;
+
+import java.util.List;
+
+/**
+ * @description 系统通知数据访问层
+ * @filename SysNotificationMapper.java
+ * @author system
+ * @copyright xyzh
+ * @since 2025-10-15
+ */
+@Mapper
+public interface SysNotificationMapper extends BaseMapper<TbSysNotification> {
+
+    /**
+     * @description 查询系统通知列表
+     * @param filter 过滤条件
+     * @return List<TbSysNotification> 系统通知列表
+     * @author system
+     * @since 2025-10-15
+     */
+    List<TbSysNotification> selectSysNotifications(TbSysNotification filter);
+}

schoolNewsServ/system/src/main/java/org/xyzh/system/mapper/SysOperationLogMapper.java

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+package org.xyzh.system.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+import org.xyzh.common.dto.system.TbSysOperationLog;
+
+import java.util.List;
+
+/**
+ * @description 操作日志数据访问层
+ * @filename SysOperationLogMapper.java
+ * @author system
+ * @copyright xyzh
+ * @since 2025-10-15
+ */
+@Mapper
+public interface SysOperationLogMapper extends BaseMapper<TbSysOperationLog> {
+
+    /**
+     * @description 查询操作日志列表
+     * @param filter 过滤条件
+     * @return List<TbSysOperationLog> 操作日志列表
+     * @author system
+     * @since 2025-10-15
+     */
+    List<TbSysOperationLog> selectSysOperationLogs(TbSysOperationLog filter);
+}

schoolNewsServ/system/src/main/java/org/xyzh/system/mapper/SysVisitStatisticsMapper.java

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+package org.xyzh.system.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+import org.xyzh.common.dto.system.TbSysVisitStatistics;
+
+import java.util.List;
+
+/**
+ * @description 系统访问统计数据访问层
+ * @filename SysVisitStatisticsMapper.java
+ * @author system
+ * @copyright xyzh
+ * @since 2025-10-15
+ */
+@Mapper
+public interface SysVisitStatisticsMapper extends BaseMapper<TbSysVisitStatistics> {
+
+    /**
+     * @description 查询系统访问统计列表
+     * @param filter 过滤条件
+     * @return List<TbSysVisitStatistics> 系统访问统计列表
+     * @author system
+     * @since 2025-10-15
+     */
+    List<TbSysVisitStatistics> selectSysVisitStatistics(TbSysVisitStatistics filter);
+}

schoolNewsServ/system/src/main/resources/mapper/SysConfigMapper.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="org.xyzh.system.mapper.SysConfigMapper">
+
+    <!-- 基础结果映射 -->
+    <resultMap id="BaseResultMap" type="org.xyzh.common.dto.system.TbSysConfig">
+        <id column="id" property="id" jdbcType="VARCHAR"/>
+        <result column="config_key" property="configKey" jdbcType="VARCHAR"/>
+        <result column="config_value" property="configValue" jdbcType="LONGVARCHAR"/>
+        <result column="config_type" property="configType" jdbcType="VARCHAR"/>
+        <result column="config_group" property="configGroup" jdbcType="VARCHAR"/>
+        <result column="description" property="description" jdbcType="VARCHAR"/>
+        <result column="is_system" property="isSystem" jdbcType="BOOLEAN"/>
+        <result column="creator" property="creator" jdbcType="VARCHAR"/>
+        <result column="updater" property="updater" jdbcType="VARCHAR"/>
+        <result column="create_time" property="createTime" jdbcType="TIMESTAMP"/>
+        <result column="update_time" property="updateTime" jdbcType="TIMESTAMP"/>
+        <result column="delete_time" property="deleteTime" jdbcType="TIMESTAMP"/>
+        <result column="deleted" property="deleted" jdbcType="BOOLEAN"/>
+    </resultMap>
+
+    <!-- 基础字段 -->
+    <sql id="Base_Column_List">
+        id, config_key, config_value, config_type, config_group, description, 
+        is_system, creator, updater, create_time, update_time, delete_time, deleted
+    </sql>
+
+    <!-- 通用条件 -->
+    <sql id="Where_Clause">
+        <where>
+            deleted = 0
+            <if test="configKey != null and configKey != ''">
+                AND config_key = #{configKey}
+            </if>
+            <if test="configGroup != null and configGroup != ''">
+                AND config_group = #{configGroup}
+            </if>
+            <if test="configType != null and configType != ''">
+                AND config_type = #{configType}
+            </if>
+            <if test="isSystem != null">
+                AND is_system = #{isSystem}
+            </if>
+        </where>
+    </sql>
+
+    <!-- selectSysConfigs -->
+    <select id="selectSysConfigs" resultMap="BaseResultMap">
+        SELECT 
+        <include refid="Base_Column_List"/>
+        FROM tb_sys_config
+        <include refid="Where_Clause"/>
+        ORDER BY config_group, config_key
+    </select>
+
+</mapper>

schoolNewsServ/system/src/main/resources/mapper/SysDictDataMapper.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="org.xyzh.system.mapper.SysDictDataMapper">
+
+    <!-- 基础结果映射 -->
+    <resultMap id="BaseResultMap" type="org.xyzh.common.dto.system.TbSysDictData">
+        <id column="id" property="id" jdbcType="VARCHAR"/>
+        <result column="dict_type" property="dictType" jdbcType="VARCHAR"/>
+        <result column="dict_label" property="dictLabel" jdbcType="VARCHAR"/>
+        <result column="dict_value" property="dictValue" jdbcType="VARCHAR"/>
+        <result column="dict_sort" property="dictSort" jdbcType="INTEGER"/>
+        <result column="css_class" property="cssClass" jdbcType="VARCHAR"/>
+        <result column="list_class" property="listClass" jdbcType="VARCHAR"/>
+        <result column="is_default" property="isDefault" jdbcType="BOOLEAN"/>
+        <result column="status" property="status" jdbcType="INTEGER"/>
+        <result column="remark" property="remark" jdbcType="VARCHAR"/>
+        <result column="creator" property="creator" jdbcType="VARCHAR"/>
+        <result column="updater" property="updater" jdbcType="VARCHAR"/>
+        <result column="create_time" property="createTime" jdbcType="TIMESTAMP"/>
+        <result column="update_time" property="updateTime" jdbcType="TIMESTAMP"/>
+        <result column="delete_time" property="deleteTime" jdbcType="TIMESTAMP"/>
+        <result column="deleted" property="deleted" jdbcType="BOOLEAN"/>
+    </resultMap>
+
+    <!-- 基础字段 -->
+    <sql id="Base_Column_List">
+        id, dict_type, dict_label, dict_value, dict_sort, css_class, list_class, 
+        is_default, status, remark, creator, updater, create_time, update_time, 
+        delete_time, deleted
+    </sql>
+
+    <!-- 通用条件 -->
+    <sql id="Where_Clause">
+        <where>
+            deleted = 0
+            <if test="dictType != null and dictType != ''">
+                AND dict_type = #{dictType}
+            </if>
+            <if test="dictLabel != null and dictLabel != ''">
+                AND dict_label LIKE CONCAT('%', #{dictLabel}, '%')
+            </if>
+            <if test="dictValue != null and dictValue != ''">
+                AND dict_value = #{dictValue}
+            </if>
+            <if test="status != null">
+                AND status = #{status}
+            </if>
+            <if test="isDefault != null">
+                AND is_default = #{isDefault}
+            </if>
+        </where>
+    </sql>
+
+    <!-- selectSysDictData -->
+    <select id="selectSysDictData" resultMap="BaseResultMap">
+        SELECT 
+        <include refid="Base_Column_List"/>
+        FROM tb_sys_dict_data
+        <include refid="Where_Clause"/>
+        ORDER BY dict_type, dict_sort ASC
+    </select>
+
+</mapper>

schoolNewsServ/system/src/main/resources/mapper/SysDictTypeMapper.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="org.xyzh.system.mapper.SysDictTypeMapper">
+
+    <!-- 基础结果映射 -->
+    <resultMap id="BaseResultMap" type="org.xyzh.common.dto.system.TbSysDictType">
+        <id column="id" property="id" jdbcType="VARCHAR"/>
+        <result column="dict_type" property="dictType" jdbcType="VARCHAR"/>
+        <result column="dict_name" property="dictName" jdbcType="VARCHAR"/>
+        <result column="description" property="description" jdbcType="VARCHAR"/>
+        <result column="status" property="status" jdbcType="INTEGER"/>
+        <result column="creator" property="creator" jdbcType="VARCHAR"/>
+        <result column="updater" property="updater" jdbcType="VARCHAR"/>
+        <result column="create_time" property="createTime" jdbcType="TIMESTAMP"/>
+        <result column="update_time" property="updateTime" jdbcType="TIMESTAMP"/>
+        <result column="delete_time" property="deleteTime" jdbcType="TIMESTAMP"/>
+        <result column="deleted" property="deleted" jdbcType="BOOLEAN"/>
+    </resultMap>
+
+    <!-- 基础字段 -->
+    <sql id="Base_Column_List">
+        id, dict_type, dict_name, description, status, creator, updater, 
+        create_time, update_time, delete_time, deleted
+    </sql>
+
+    <!-- 通用条件 -->
+    <sql id="Where_Clause">
+        <where>
+            deleted = 0
+            <if test="dictType != null and dictType != ''">
+                AND dict_type = #{dictType}
+            </if>
+            <if test="dictName != null and dictName != ''">
+                AND dict_name LIKE CONCAT('%', #{dictName}, '%')
+            </if>
+            <if test="status != null">
+                AND status = #{status}
+            </if>
+        </where>
+    </sql>
+
+    <!-- selectSysDictTypes -->
+    <select id="selectSysDictTypes" resultMap="BaseResultMap">
+        SELECT 
+        <include refid="Base_Column_List"/>
+        FROM tb_sys_dict_type
+        <include refid="Where_Clause"/>
+        ORDER BY create_time DESC
+    </select>
+
+</mapper>

schoolNewsServ/system/src/main/resources/mapper/SysFileMapper.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="org.xyzh.system.mapper.SysFileMapper">
+
+    <!-- 基础结果映射 -->
+    <resultMap id="BaseResultMap" type="org.xyzh.common.dto.system.TbSysFile">
+        <id column="id" property="id" jdbcType="VARCHAR"/>
+        <result column="file_name" property="fileName" jdbcType="VARCHAR"/>
+        <result column="original_name" property="originalName" jdbcType="VARCHAR"/>
+        <result column="file_path" property="filePath" jdbcType="VARCHAR"/>
+        <result column="file_url" property="fileUrl" jdbcType="VARCHAR"/>
+        <result column="file_size" property="fileSize" jdbcType="BIGINT"/>
+        <result column="file_type" property="fileType" jdbcType="VARCHAR"/>
+        <result column="mime_type" property="mimeType" jdbcType="VARCHAR"/>
+        <result column="module" property="module" jdbcType="VARCHAR"/>
+        <result column="business_id" property="businessID" jdbcType="VARCHAR"/>
+        <result column="uploader" property="uploader" jdbcType="VARCHAR"/>
+        <result column="create_time" property="createTime" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <!-- 基础字段 -->
+    <sql id="Base_Column_List">
+        id, file_name, original_name, file_path, file_url, file_size, 
+        file_type, mime_type, module, business_id, uploader, create_time
+    </sql>
+
+    <!-- 通用条件 -->
+    <sql id="Where_Clause">
+        <where>
+            <if test="fileName != null and fileName != ''">
+                AND file_name LIKE CONCAT('%', #{fileName}, '%')
+            </if>
+            <if test="fileType != null and fileType != ''">
+                AND file_type = #{fileType}
+            </if>
+            <if test="module != null and module != ''">
+                AND module = #{module}
+            </if>
+            <if test="businessID != null and businessID != ''">
+                AND business_id = #{businessID}
+            </if>
+            <if test="uploader != null and uploader != ''">
+                AND uploader = #{uploader}
+            </if>
+        </where>
+    </sql>
+
+    <!-- selectSysFiles -->
+    <select id="selectSysFiles" resultMap="BaseResultMap">
+        SELECT 
+        <include refid="Base_Column_List"/>
+        FROM tb_sys_file
+        <include refid="Where_Clause"/>
+        ORDER BY create_time DESC
+    </select>
+
+</mapper>

schoolNewsServ/system/src/main/resources/mapper/SysNotificationMapper.xml

@@ -0,0 +1,58 @@
+<?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="org.xyzh.system.mapper.SysNotificationMapper">
+
+    <!-- 基础结果映射 -->
+    <resultMap id="BaseResultMap" type="org.xyzh.common.dto.system.TbSysNotification">
+        <id column="id" property="id" jdbcType="VARCHAR"/>
+        <result column="user_id" property="userID" jdbcType="VARCHAR"/>
+        <result column="type" property="type" jdbcType="INTEGER"/>
+        <result column="title" property="title" jdbcType="VARCHAR"/>
+        <result column="content" property="content" jdbcType="LONGVARCHAR"/>
+        <result column="link_type" property="linkType" jdbcType="INTEGER"/>
+        <result column="link_id" property="linkID" jdbcType="VARCHAR"/>
+        <result column="is_read" property="isRead" jdbcType="BOOLEAN"/>
+        <result column="read_time" property="readTime" jdbcType="TIMESTAMP"/>
+        <result column="create_time" property="createTime" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <!-- 基础字段 -->
+    <sql id="Base_Column_List">
+        id, user_id, type, title, content, link_type, link_id, is_read, 
+        read_time, create_time
+    </sql>
+
+    <!-- 通用条件 -->
+    <sql id="Where_Clause">
+        <where>
+            <if test="userID != null and userID != ''">
+                AND user_id = #{userID}
+            </if>
+            <if test="type != null">
+                AND type = #{type}
+            </if>
+            <if test="title != null and title != ''">
+                AND title LIKE CONCAT('%', #{title}, '%')
+            </if>
+            <if test="isRead != null">
+                AND is_read = #{isRead}
+            </if>
+            <if test="linkType != null">
+                AND link_type = #{linkType}
+            </if>
+            <if test="linkID != null and linkID != ''">
+                AND link_id = #{linkID}
+            </if>
+        </where>
+    </sql>
+
+    <!-- selectSysNotifications -->
+    <select id="selectSysNotifications" resultMap="BaseResultMap">
+        SELECT 
+        <include refid="Base_Column_List"/>
+        FROM tb_sys_notification
+        <include refid="Where_Clause"/>
+        ORDER BY create_time DESC
+    </select>
+
+</mapper>

schoolNewsServ/system/src/main/resources/mapper/SysOperationLogMapper.xml

@@ -0,0 +1,67 @@
+<?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="org.xyzh.system.mapper.SysOperationLogMapper">
+
+    <!-- 基础结果映射 -->
+    <resultMap id="BaseResultMap" type="org.xyzh.common.dto.system.TbSysOperationLog">
+        <id column="id" property="id" jdbcType="VARCHAR"/>
+        <result column="user_id" property="userID" jdbcType="VARCHAR"/>
+        <result column="username" property="username" jdbcType="VARCHAR"/>
+        <result column="module" property="module" jdbcType="VARCHAR"/>
+        <result column="operation" property="operation" jdbcType="VARCHAR"/>
+        <result column="method" property="method" jdbcType="VARCHAR"/>
+        <result column="request_url" property="requestUrl" jdbcType="VARCHAR"/>
+        <result column="request_method" property="requestMethod" jdbcType="VARCHAR"/>
+        <result column="request_params" property="requestParams" jdbcType="LONGVARCHAR"/>
+        <result column="response_data" property="responseData" jdbcType="LONGVARCHAR"/>
+        <result column="ip_address" property="ipAddress" jdbcType="VARCHAR"/>
+        <result column="ip_source" property="ipSource" jdbcType="VARCHAR"/>
+        <result column="browser" property="browser" jdbcType="VARCHAR"/>
+        <result column="os" property="os" jdbcType="VARCHAR"/>
+        <result column="status" property="status" jdbcType="INTEGER"/>
+        <result column="error_message" property="errorMessage" jdbcType="LONGVARCHAR"/>
+        <result column="execute_time" property="executeTime" jdbcType="INTEGER"/>
+        <result column="create_time" property="createTime" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <!-- 基础字段 -->
+    <sql id="Base_Column_List">
+        id, user_id, username, module, operation, method, request_url, 
+        request_method, request_params, response_data, ip_address, ip_source, 
+        browser, os, status, error_message, execute_time, create_time
+    </sql>
+
+    <!-- 通用条件 -->
+    <sql id="Where_Clause">
+        <where>
+            <if test="userID != null and userID != ''">
+                AND user_id = #{userID}
+            </if>
+            <if test="username != null and username != ''">
+                AND username LIKE CONCAT('%', #{username}, '%')
+            </if>
+            <if test="module != null and module != ''">
+                AND module = #{module}
+            </if>
+            <if test="operation != null and operation != ''">
+                AND operation = #{operation}
+            </if>
+            <if test="status != null">
+                AND status = #{status}
+            </if>
+            <if test="ipAddress != null and ipAddress != ''">
+                AND ip_address = #{ipAddress}
+            </if>
+        </where>
+    </sql>
+
+    <!-- selectSysOperationLogs -->
+    <select id="selectSysOperationLogs" resultMap="BaseResultMap">
+        SELECT 
+        <include refid="Base_Column_List"/>
+        FROM tb_sys_operation_log
+        <include refid="Where_Clause"/>
+        ORDER BY create_time DESC
+    </select>
+
+</mapper>

schoolNewsServ/system/src/main/resources/mapper/SysVisitStatisticsMapper.xml

@@ -0,0 +1,43 @@
+<?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="org.xyzh.system.mapper.SysVisitStatisticsMapper">
+
+    <!-- 基础结果映射 -->
+    <resultMap id="BaseResultMap" type="org.xyzh.common.dto.system.TbSysVisitStatistics">
+        <id column="id" property="id" jdbcType="VARCHAR"/>
+        <result column="stat_date" property="statDate" jdbcType="DATE"/>
+        <result column="total_visits" property="totalVisits" jdbcType="INTEGER"/>
+        <result column="unique_visitors" property="uniqueVisitors" jdbcType="INTEGER"/>
+        <result column="new_users" property="newUsers" jdbcType="INTEGER"/>
+        <result column="active_users" property="activeUsers" jdbcType="INTEGER"/>
+        <result column="page_views" property="pageViews" jdbcType="INTEGER"/>
+        <result column="avg_visit_duration" property="avgVisitDuration" jdbcType="INTEGER"/>
+        <result column="create_time" property="createTime" jdbcType="TIMESTAMP"/>
+        <result column="update_time" property="updateTime" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <!-- 基础字段 -->
+    <sql id="Base_Column_List">
+        id, stat_date, total_visits, unique_visitors, new_users, active_users, 
+        page_views, avg_visit_duration, create_time, update_time
+    </sql>
+
+    <!-- 通用条件 -->
+    <sql id="Where_Clause">
+        <where>
+            <if test="statDate != null">
+                AND stat_date = #{statDate}
+            </if>
+        </where>
+    </sql>
+
+    <!-- selectSysVisitStatistics -->
+    <select id="selectSysVisitStatistics" resultMap="BaseResultMap">
+        SELECT 
+        <include refid="Base_Column_List"/>
+        FROM tb_sys_visit_statistics
+        <include refid="Where_Clause"/>
+        ORDER BY stat_date DESC
+    </select>
+
+</mapper>