<foreach item="id" collection="ids" open="(" close=")" separator=","> #{id} </foreach>
时间: 2023-12-05 09:46:48 浏览: 209
用foreach来访问数组
回答: 这段代码是使用了MyBatis中的foreach标签,用于构建一个in条件。在这段代码中,item属性指定了集合中每个元素的别名为id,collection属性指定了集合的名称为ids,open属性指定了在拼接in条件时的起始符号为"(",close属性指定了结束符号为")",separator属性指定了每个元素之间的分隔符为","。最终的效果是将集合ids中的每个元素拼接成一个in条件,例如(1, 2, 3)。
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