摘要: 一 IF..THENIF condition THENstatements 1;statements 2;....END IF;二 IF..THEN...ELSEIF condition THENstatements 1;statements 2;....ELSEstatements 1;statements 2;....END IF;三 IF..THEN..ELSIFIF condition1 THENstatement1;ELSIF condition2 THENstatement2;ELSIF condition3 THENstatement3;ELSEstatement4;END IF 阅读全文
posted @ 2014-03-29 15:04 zuking 阅读(776) 评论(0) 推荐(0)