发布时间:2019-10-12 18:22:05
请问这段随机调用的代码,怎么限制调出的标题字数为36个字符?谢谢!$sql=SELECT * FROM {$dbtbpre}ecms_news AS t1 JOIN (SELECT ROUND(RAND() * ((SELECT MAX(id) FROM {$dbtbpre}ecms_news )(SELECT MIN(id) FROM {$dbt...