https://blog.youkuaiyun.com/hany233zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/hany233/article/details/6630084https://blog.youkuaiyun.com/hany233/article/details/6630084hany233Sun, 24 Jul 2011 20:20:41 +0800https://blog.youkuaiyun.com/hany233/article/details/6629787https://blog.youkuaiyun.com/hany233/article/details/6629787hany233Sun, 24 Jul 2011 17:25:28 +0800https://blog.youkuaiyun.com/hany233/article/details/6596436https://blog.youkuaiyun.com/hany233/article/details/6596436hany233Sun, 10 Jul 2011 22:33:04 +0800https://blog.youkuaiyun.com/hany233/article/details/6569264https://blog.youkuaiyun.com/hany233/article/details/6569264hany233Sun, 26 Jun 2011 23:18:00 +0800https://blog.youkuaiyun.com/hany233/article/details/6539394https://blog.youkuaiyun.com/hany233/article/details/6539394hany233Sun, 12 Jun 2011 14:30:00 +0800https://blog.youkuaiyun.com/hany233/article/details/6539336https://blog.youkuaiyun.com/hany233/article/details/6539336hany233Sun, 12 Jun 2011 13:47:00 +0800https://blog.youkuaiyun.com/hany233/article/details/6539274https://blog.youkuaiyun.com/hany233/article/details/6539274hany233Sun, 12 Jun 2011 12:53:00 +0800https://blog.youkuaiyun.com/hany233/article/details/6538256https://blog.youkuaiyun.com/hany233/article/details/6538256hany233Sat, 11 Jun 2011 16:35:00 +0800https://blog.youkuaiyun.com/hany233/article/details/6528737https://blog.youkuaiyun.com/hany233/article/details/6528737hany233Tue, 07 Jun 2011 08:03:00 +0800https://blog.youkuaiyun.com/hany233/article/details/6457259https://blog.youkuaiyun.com/hany233/article/details/6457259hany233Tue, 31 May 2011 16:11:00 +0800web项目中的绝对路径"/"是以web站点为根目录开始的。例如http://127.0.0.1:8088/
web项目中的相对路径是以当前网页的路径为根目录开始的。
 
可是在使用action的项目中。网页如果是由action返回的，可能该网页的相对路径并不是该网页所存放的路径开始的，而是由action的路径开始的。
例如：struts2中，action路径为/index/a  返回的网页w1.jsp的存放路径为webroot/
当i.jsp要使]]>https://blog.youkuaiyun.com/hany233/article/details/6456967https://blog.youkuaiyun.com/hany233/article/details/6456967hany233Tue, 31 May 2011 15:08:00 +0800https://blog.youkuaiyun.com/hany233/article/details/6369149https://blog.youkuaiyun.com/hany233/article/details/6369149hany233Thu, 28 Apr 2011 11:24:00 +0800CREATE TABLE TEST(
NAME VARCHAR2(2)
)
 
INSERT INTO TEST VALUES('测试');
 
在windows环境下：

 
可见在windows默认情况下，VARCHAR2(2) 就等于是 VARCHAR2(2 BYTE)  一个汉字占2个字节
 
在linux环境下：

 
可见在linux默认情况下，]]>https://blog.youkuaiyun.com/hany233/article/details/6333104https://blog.youkuaiyun.com/hany233/article/details/6333104hany233Tue, 19 Apr 2011 11:37:00 +0800https://blog.youkuaiyun.com/hany233/article/details/6329525https://blog.youkuaiyun.com/hany233/article/details/6329525hany233Sun, 17 Apr 2011 17:45:00 +0800https://blog.youkuaiyun.com/hany233/article/details/6323731https://blog.youkuaiyun.com/hany233/article/details/6323731hany233Thu, 14 Apr 2011 17:19:00 +0800https://blog.youkuaiyun.com/hany233/article/details/6313840https://blog.youkuaiyun.com/hany233/article/details/6313840hany233Sun, 10 Apr 2011 18:07:00 +0800https://blog.youkuaiyun.com/hany233/article/details/6313735https://blog.youkuaiyun.com/hany233/article/details/6313735hany233Sun, 10 Apr 2011 16:57:00 +0800https://blog.youkuaiyun.com/hany233/article/details/6310277https://blog.youkuaiyun.com/hany233/article/details/6310277hany233Fri, 08 Apr 2011 17:56:00 +0800https://blog.youkuaiyun.com/hany233/article/details/6309796https://blog.youkuaiyun.com/hany233/article/details/6309796hany233Fri, 08 Apr 2011 15:38:00 +0800https://blog.youkuaiyun.com/hany233/article/details/6214086https://blog.youkuaiyun.com/hany233/article/details/6214086hany233Mon, 28 Feb 2011 20:55:00 +0800