You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘-4,4’ at line 1 Query: select id , name , author , price , sales , stock , img_path imgPath from t_book limit ?,? Parameters: [-4, 4]
这是SQL语句语法有错误，根据后面具体提示，检查语句什么地方语法错误，改正就好。
数据库语法错误You have an error in your SQL syntax
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