08 2010 档案

java 类的继承与多态性 /接口多态
摘要：1:classcode2:interfacecode 阅读全文
posted @ 2010-08-05 21:28 jorgen 阅读(256) 评论(0) 推荐(0)
DISTINCT /EXTRACT
摘要：SELECT DISTINCT(EXTRACT(MONTH FROM start_date_time)) FROM examinationDISTINCT:去除重复的项 select distinct name, id from table ：//去除name和id都相同的项EXTRACT：取出时间对应的项、 mysql:参考http://www.java2s.com/Tutorial/MySQL... 阅读全文
posted @ 2010-08-02 12:57 jorgen 阅读(176) 评论(0) 推荐(0)
display下c标签与S标签
摘要：费了几个小时才弄出来，参考与 http://dev.firnow.com/course/3_program/java/javajs/20100719/461462.html； 阅读全文
posted @ 2010-08-02 08:52 jorgen 阅读(490) 评论(0) 推荐(0)

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