初始化项目

backend/target/classes/mapper/SystemConfigMapper.xml

@@ -0,0 +1,46 @@
+<?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.bycrm.mapper.SystemConfigMapper">
+
+    <resultMap id="BaseResultMap" type="com.bycrm.entity.SystemConfig">
+        <id column="id" property="id"/>
+        <result column="config_key" property="configKey"/>
+        <result column="config_value" property="configValue"/>
+        <result column="config_label" property="configLabel"/>
+        <result column="config_type" property="configType"/>
+        <result column="description" property="description"/>
+        <result column="is_editable" property="isEditable"/>
+        <result column="created_at" property="createdAt"/>
+        <result column="updated_at" property="updatedAt"/>
+    </resultMap>
+
+    <select id="selectAll" resultMap="BaseResultMap">
+        SELECT * FROM crm_system_config ORDER BY id
+    </select>
+
+    <select id="selectByKey" resultMap="BaseResultMap">
+        SELECT * FROM crm_system_config WHERE config_key = #{configKey}
+    </select>
+
+    <select id="selectValueByKey" resultType="java.lang.String">
+        SELECT config_value FROM crm_system_config WHERE config_key = #{configKey}
+    </select>
+
+    <update id="update" parameterType="com.bycrm.entity.SystemConfig">
+        UPDATE crm_system_config
+        SET config_value = #{configValue},
+            updated_at = NOW()
+        WHERE config_key = #{configKey}
+    </update>
+
+    <update id="batchUpdate">
+        <foreach collection="configs" item="config" separator=";">
+            UPDATE crm_system_config
+            SET config_value = #{config.configValue},
+                updated_at = NOW()
+            WHERE config_key = #{config.configKey}
+        </foreach>
+    </update>
+
+</mapper>