one-code-manage/siwei-modules/siwei-apply/src/main/resources/mapper/WorkflowMapper.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.siwei.apply.mapper.WorkflowMapper">
    <resultMap id="WorkflowResultMap" type="com.siwei.apply.domain.Workflow">
        <id property="id" column="id"/>
        <result property="projectType" column="project_type"/>
        <result property="name" column="name"/>
        <result property="index" column="index"/>
        <result property="tableName" column="table_name"/>
    </resultMap>

    <select id="selectByProjectTypeAndTableName" resultMap="WorkflowResultMap">
        SELECT id, project_type, name, "index" AS index, table_name
        FROM t_workflow
        WHERE project_type = #{projectType}
          AND table_name = #{tableName}
        LIMIT 1
    </select>

    <select id="selectPrevByProjectTypeAndTableName" resultMap="WorkflowResultMap">
        SELECT id, project_type, name, "index" AS index, table_name
        FROM t_workflow
        WHERE project_type = #{projectType}
          AND "index" &lt; (
              SELECT "index"
              FROM t_workflow
              WHERE project_type = #{projectType}
                AND table_name = #{tableName}
          )
        ORDER BY "index" DESC
        LIMIT 1
    </select>

    <!-- 新增：根据 project_type 获取列表，按 index 升序返回 -->
    <select id="selectByProjectTypeOrderByIndex" parameterType="int" resultType="com.siwei.apply.domain.res.ProjectCycleRes">
        SELECT
            id,
            project_type AS projectType,
            name,
            table_name  AS tableName,
            "index" AS index
        FROM t_workflow
        WHERE project_type = #{projectType}
        ORDER BY "index" ASC
    </select>
</mapper>