实现根据当前ID读取上一条和下一条记录

如下为MYSQL语句演示：sql SELECT * FROM t_news AS n ORDER BY n.`News_ID`数据库 当前ID为4，读取上一条记录：code SELECT * FROM t_news AS n WHERE n.`News_ID` < 4 ORDER BY n.`News_ID` DESC LIMIT 0,1; 当前ID为4，读取下一条记录： SELECT * FR

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