根据两列进行排序可以根据多个列进行排序。当按照多个列进行排序时,只有第一列相同时才使用第二列:SELECT column_name(s)FROM table_nameORDER BY column_name1, column_name2 Read More
posted @ 2013-01-30 12:51 lein.wang Views(193) Comments(0) Diggs(0) Edit
http://book.cakephp.org/2.0/en/models/callback-methods.html Read More
posted @ 2013-01-30 12:47 lein.wang Views(110) Comments(0) Diggs(0) Edit