這個錯誤是在使用Mybatis-Plus的批量操作的時候報出的錯誤。
意思是批量插入的集合不能為空。
解決辦法：可以在插入之前對集合進行非空判斷，不為空時再進行批量插入操作。(集合長度也要進行判斷)
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