gs_bg/src/main/resources/mybatis/tool/GenMapper.xml

<?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.ruoyi.project.tool.gen.mapper.GenMapper">

	<resultMap type="TableInfo" id="TableInfoResult">
		<id     property="tableName"      column="table_name"      />
		<result property="tableComment"   column="table_comment"   />
		<result property="createTime"     column="create_time"     />
		<result property="updateTime"     column="update_time"     />
	</resultMap>
	
	<resultMap type="ColumnInfo" id="ColumnInfoResult">
		<id     property="columnName"     column="column_name"      />
		<result property="dataType"       column="data_type"        />
		<result property="columnComment"  column="column_comment"   />
	</resultMap>

	<select id="selectTableList" parameterType="TableInfo" resultMap="TableInfoResult">
		select table_name, table_comment, create_time, update_time
		from information_schema.tables
		where table_comment <![CDATA[ <> ]]> '' and table_schema = (select database())
		<if test="searchValue != null and searchValue != ''">
			AND table_name like concat('%', #{searchValue}, '%');
		</if>
	</select>
	
	<select id="selectTableByName" parameterType="String" resultMap="TableInfoResult">
		select table_name, table_comment, create_time, update_time
		from information_schema.tables
		where table_comment <![CDATA[ <> ]]> '' and table_schema = (select database())
		and table_name = #{tableName}
	</select>
	
	<select id="selectTableColumnsByName" parameterType="String" resultMap="ColumnInfoResult">
		select column_name, data_type, column_comment from information_schema.columns
        where table_name = #{tableName} and table_schema = (select database()) order by ordinal_position
	</select>

</mapper>