TP中limit()参数注意

参数为n
n为正整数
result=WebsiteModel::limit(1)>select();1 r e s u l t = W e b s i t e M o d e l :: l i m i t ( 1 ) − > s e l e c t ( ) ; 显 示 1 条 记 录 result = WebsiteModel::limit(10)->select();
显示10条记录
不传参
result=WebsiteModel::limit()>select();Missingargument1forthink\db\Query::limit()0 r e s u l t = W e b s i t e M o d e l :: l i m i t ( ) − > s e l e c t ( ) ; 报 错 : M i s s i n g a r g u m e n t 1 f o r t h i n k \db \Query :: l i m i t ( ) 参 数 为 0 result = WebsiteModel::limit(0)->select();
显示所有记录
如果想查询所有记录,可以直接使用 result=WebsiteModel::select();1 r e s u l t = W e b s i t e M o d e l :: s e l e c t ( ) ; 。 参 数 为 − 1 result = WebsiteModel::limit(-1)->select();
报错:SQLSTATE[42000]: Syntax error or access violation: 1064 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 ‘-1’ at line 1

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