<select id="getProjectInfoCount" resultType="java.lang.Integer" parameterType="java.util.List">
select sum(one) from (
<foreach collection="list" item="tableName" separator="union all">
select count(1) as one from ${tableName} where del_state = 1
</foreach>
) copyTables
</select>
mybatis 传入List 并循环处理数据总和
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转载自blog.csdn.net/qacjava/article/details/81286861
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