补充:若返回字符串的话
where 班级 in('${班级}')
sql解释为:where 班级 in('3#,','4#'),这个没问题,但标题行是 3#','4#的成绩表,但不想要引号啊
返回字符串
直接
=CONCATENATE($stage)+"的成绩"
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where 班级 in('${raplace(班级,",","','")}')
=replace($班级,"','",",")+"的成绩表"