例如,如果用户购买的是在2013-5-1和2013-5-5之间运行的5天服务,我想检查折扣和discount_exception表,以找出哪些折扣具有在2013-5-1和2013-5-5范围内的例外,然后仅显示在指定日期范围内没有例外的折扣discount.id = discount_exceptions.discount_id AND (discount_exceptions.date_from NOT BETWEEN '2013-5-1' AND '2013-5-5' OR discount_ex
安卓应用程序ID在Kotlin和Java MainActivity类中的冲突 错误: Type project.com.project.MainActivity is defined multiple/project/build/app/intermediates/javac/debug/classes/project/com/project/MainActivity.class,
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