<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[低调开发]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/iteye_9916</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; iteye_9916]]></copyright><item><title><![CDATA[获取java的修饰符]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82602986</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82602986</guid><author>iteye_9916</author><pubDate>Tue, 19 Aug 2014 14:17:13 +0800</pubDate><description><![CDATA[通过java中的Modifier类可以获取接口、类等支持的修饰符。
Modifier 类提供了 static 方法和常量，对类和成员访问修饰符进行解码。修饰符集被表示为整数，用不同的位位置 (bit position) 表示不同的修饰符。
[code=&quot;java&quot;]
public static void main(String[] args) {
		// 接口的修饰符
		System...]]></description><category></category></item><item><title><![CDATA[网页中提取email]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82437242</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82437242</guid><author>iteye_9916</author><pubDate>Wed, 24 Oct 2012 16:48:01 +0800</pubDate><description><![CDATA[从百度上找出的一用正则提取网页中email的例子，供自己和大家参考
[code=&quot;java&quot;]
URL url = new URL(&quot;l&quot;); //网页地址 
	        // 打开连接  
	        URLConnection conn = url.openConnection();  
	        // 设置连接网络超时时间  
	        conn.se...]]></description><category></category></item><item><title><![CDATA[从文本文件中提取email]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82437238</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82437238</guid><author>iteye_9916</author><pubDate>Wed, 24 Oct 2012 16:40:18 +0800</pubDate><description><![CDATA[用正则表达式提取出文本文件中所有的email
[code=&quot;java&quot;]
 BufferedReader bufr = new BufferedReader(new FileReader(&quot;d://email.txt&quot;));  
 String line = null;  
 String regex = &quot;[a-zA-Z0-9_-]+@\\w+\\.[a-z]+(\\.[a-z]+)?&quot;...]]></description><category></category></item><item><title><![CDATA[String的replaceAll方法中$符合的使用]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82437197</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82437197</guid><author>iteye_9916</author><pubDate>Wed, 24 Oct 2012 14:49:08 +0800</pubDate><description><![CDATA[在String的replaceAll中除了反斜线 (\)用来转义，还有平时用的比较少的美元符号 ($)
[code=&quot;java&quot;]
String p = &quot;A0A1A2&quot;.replaceAll(&quot;([A-Z]{1,1})([A-Z0-9]{1,1})?&quot;, &quot;$1=$2 &quot;);
System.out.println(p);
[/code]
打印出来的效果是：
[code=&quot;java&quot;]...]]></description><category></category></item><item><title><![CDATA[form表单target的用法]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82360723</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82360723</guid><author>iteye_9916</author><pubDate>Thu, 28 Jun 2012 21:39:18 +0800</pubDate><description><![CDATA[偶然有一机会发现form表单的target的用法，可以实现当前页表单提交而不进行跳转刷新。代码如下，首页在页面里准备一form表单和一iframe
[code=&quot;java&quot;]

.....................


[/code]
提交到action后，action返回一串javascript语句
[code=&quot;java&quot;]
String script = &quot;alert...]]></description><category></category></item><item><title><![CDATA[父页面调用iframe里的js函数 ]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82302327</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82302327</guid><author>iteye_9916</author><pubDate>Wed, 28 Mar 2012 13:03:19 +0800</pubDate><description><![CDATA[[code=&quot;java&quot;]
document.getElementById('iframeid').contentWindow.functionname(); 
//其中iframeid是iframe的id 
//functionname为iframe里的js函数
[/code]
其中iframeid是iframe的id 
functionname为iframe里的js函数
...]]></description><category></category></item><item><title><![CDATA[java科学计数法转普通计数法字符串简易方法]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82279969</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82279969</guid><author>iteye_9916</author><pubDate>Mon, 20 Feb 2012 15:37:22 +0800</pubDate><description><![CDATA[java科学计数法转普通计数法字符串简易方法,不需要format;
[code=&quot;java&quot;]
String t = &quot;2.0090102E9&quot;;
BigDecimal b = new BigDecimal(t);	
System.out.println(b.toPlainString()); 
[/code]
输出：
2009010200...]]></description><category></category></item><item><title><![CDATA[在oracle中恢复一个表的数据到某个时点]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82275997</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82275997</guid><author>iteye_9916</author><pubDate>Thu, 09 Feb 2012 17:04:51 +0800</pubDate><description><![CDATA[在oracle中恢复一个表的数据到某个时点
有时候一不小心就将ORACLE表中某些数据删除，如想恢复可通过时间点方式进行

1、执行下列语句可查询出相关时间点
[code=&quot;java&quot;]
select * from sys.smon_scn_time order by time_dp desc;
[/code]
2、执行下列语句可将某个时间点的数据恢复
[code=&quot;java&quot;]...]]></description><category></category></item><item><title><![CDATA[div+css进度条]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82237609</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82237609</guid><author>iteye_9916</author><pubDate>Fri, 23 Dec 2011 09:57:36 +0800</pubDate><description><![CDATA[在网上找了个div+css的进度条，稍加整理下，以便于以后使用
代码如下：
[code=&quot;java&quot;]

	
	50%
 
[/code]
具体变化只需要控制第二个div中的css的width,给他传一个百分值就ok了，这样就可以达到动态控制进度条了...]]></description><category></category></item><item><title><![CDATA[java枚举在struts2中的应用]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82230857</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82230857</guid><author>iteye_9916</author><pubDate>Thu, 08 Dec 2011 09:54:54 +0800</pubDate><description><![CDATA[平常很少用java的枚举，也时常在想怎么来用它，最近结合struts2在jsp中来使用一下枚举
首先定义一个Rose类，很多时候为了方便，经常在页面写几个角色的选项（项目比较小）,这样带来的的问题是显而易见的,
这里如果用枚举的话就方便了，当然放到数据库中也是可以的，不过个人觉得如果种类不多话，建议用枚举。 
1.首先建立枚举类
[code=&quot;java&quot;]
public enum Ros...]]></description><category></category></item><item><title><![CDATA[struts2源码分析获取request response session]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82205975</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82205975</guid><author>iteye_9916</author><pubDate>Thu, 17 Nov 2011 12:59:32 +0800</pubDate><description><![CDATA[网上介绍有两种获取request,response和session的方法,一种是ioc方式的,通过实现SessionAware,ServletRequestAware, ServletResponseAware接口就可以
而另一种则是非ioc方式的，我这主要介绍一下非ioc方式的		 
1.获取request
[code=&quot;java&quot;]
HttpServletRequest req1 = ...]]></description><category></category></item><item><title><![CDATA[解决JQuery.trim()函数ie下报错的问题]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82205557</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82205557</guid><author>iteye_9916</author><pubDate>Wed, 16 Nov 2011 16:53:51 +0800</pubDate><description><![CDATA[经常碰到JQuery里的trim()函数在firefox支持，但是在IE里不支持
其主要原因是写法不对，下面是错误的写法
[code=&quot;java&quot;]
 var content = $('#content').val();
 if(content.trim() == '')
    alert('空');
[/code]
上面的写法在firefox下不会报错，但在ie下确会报错
正确...]]></description><category></category></item><item><title><![CDATA[struts2标签与jstl标签的混合使用]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82205344</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82205344</guid><author>iteye_9916</author><pubDate>Wed, 16 Nov 2011 11:16:30 +0800</pubDate><description><![CDATA[1.以前一直使用jstl标签，后来也开始使用struts2的一些标签，毕竟struts2的有些标签使用起来还是比较方便
项目中常常会出现struts2标签和jstl标签混和用的情况,比如在自定义标签或者在循环标签等
1.在jstl中使用struts2
[code=&quot;java&quot;]

	 jstl:
	 el:${ee.id}
	 struts2: 

[/code]
通过stru...]]></description><category></category></item><item><title><![CDATA[struts2标签中使用三元表达式]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82204385</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82204385</guid><author>iteye_9916</author><pubDate>Mon, 14 Nov 2011 14:24:03 +0800</pubDate><description><![CDATA[在struts2的标签中使用三元表达式，第一次使用时尽然没有成功。
其实struts2标签中是支持三元表达式的，但需要注意字符串和数字的类型。
[code=&quot;java&quot;]




[/code]
字符串类型是需要用引号引起来了。如果没有正确区分类型的情况，会取最后一组值....]]></description><category></category></item><item><title><![CDATA[java创建Timestamp的几种方式]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82203222</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82203222</guid><author>iteye_9916</author><pubDate>Fri, 11 Nov 2011 14:56:21 +0800</pubDate><description><![CDATA[java创建Timestamp的几种方式,目前总结了以下几种
[code=&quot;java&quot;]
  Timestamp time1 = new Timestamp(System.currentTimeMillis());
		
		Timestamp time2 = new Timestamp(new Date().getTime());
		
		Timestamp time3 = new...]]></description><category></category></item><item><title><![CDATA[struts2标签之<s:checkboxlist>回显]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82202631</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82202631</guid><author>iteye_9916</author><pubDate>Thu, 10 Nov 2011 13:19:33 +0800</pubDate><description><![CDATA[struts2标签在通过action回传值默认选中时一直出现问题
目前的做法如下[code=&quot;java&quot;]
[/code]
通过value来获取ttsList的值来默认选中.ttsList为List类型，在action中定义一个list用来回传选中的值[code=&quot;java&quot;]private List ttsList = new ArrayList();
	public List getT...]]></description><category></category></item><item><title><![CDATA[struts2标签之<s:checkboxlist>默认选中]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82202209</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82202209</guid><author>iteye_9916</author><pubDate>Wed, 09 Nov 2011 16:27:48 +0800</pubDate><description><![CDATA[1.默认先中一个
[code=&quot;java&quot;]
 
[/code]
默认选中一个将value设置成选中的value值,这里将默认选中用户2
2.默认选中多个
[code=&quot;java&quot;]
 
[/code]
]]></description><category></category></item><item><title><![CDATA[jquery 获取页面路径]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82201419</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82201419</guid><author>iteye_9916</author><pubDate>Tue, 08 Nov 2011 13:17:45 +0800</pubDate><description><![CDATA[$(&quot;base:first&quot;).attr(&quot;href&quot;)]]></description><category></category></item><item><title><![CDATA[查询oracle数据库版本信息]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82172193</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82172193</guid><author>iteye_9916</author><pubDate>Wed, 19 Oct 2011 16:42:19 +0800</pubDate><description><![CDATA[select * from v$version;
结果如图：

[img]http://dl.iteye.com/upload/attachment/572851/2b85eb82-a879-374e-8f3e-3c7df0bbe368.jpg[/img]
]]></description><category></category></item><item><title><![CDATA[textarea光标]]></title><link>https://blog.youkuaiyun.com/iteye_9916/article/details/82161360</link><guid>https://blog.youkuaiyun.com/iteye_9916/article/details/82161360</guid><author>iteye_9916</author><pubDate>Thu, 29 Sep 2011 11:38:10 +0800</pubDate><description><![CDATA[好几次遇到textarea的光标不在首行首列的位置，这次终于忍不住解决一下，原来问题的原因是 之间有空格，如果是在同一行还能看出来，如果是换行了就不容易看出来了，特别是在ide工具自动格式化的时候经常会有这个问题出现！...]]></description><category></category></item></channel></rss>