??xml version="1.0" encoding="utf-8" standalone="yes"?>国产传媒在线视频,久久精品av,国产精品视频首页http://www.aygfsteel.com/magicblw/category/24960.html生活♥梦惻IQ? 每天都要提醒自己坚持自己的梦?/description>zh-cnWed, 05 Dec 2012 15:30:38 GMTWed, 05 Dec 2012 15:30:38 GMT60异常 Bad version number in .class filehttp://www.aygfsteel.com/magicblw/archive/2012/12/05/392473.html怎么慕天空的飞?/dc:creator>怎么慕天空的飞?/author>Wed, 05 Dec 2012 05:29:00 GMThttp://www.aygfsteel.com/magicblw/archive/2012/12/05/392473.htmlhttp://www.aygfsteel.com/magicblw/comments/392473.htmlhttp://www.aygfsteel.com/magicblw/archive/2012/12/05/392473.html#Feedback0http://www.aygfsteel.com/magicblw/comments/commentRss/392473.htmlhttp://www.aygfsteel.com/magicblw/services/trackbacks/392473.html
  
java.lang.UnsupportedClassVersionError: Bad version number in .class file  Q?/span> 
后来才发?eclipse~译和引用的jdk版本不一_~译和引用的jdk均需要单独设|。觉得不方便?br />~译讄路径Q?/span>Project->Properties->Java Compiler->Configure Workspace Setting

]]>
ibatis处理oracle数据库中xmltype的问?/title><link>http://www.aygfsteel.com/magicblw/archive/2012/11/20/391652.html</link><dc:creator>怎么慕天空的飞?/dc:creator><author>怎么慕天空的飞?/author><pubDate>Tue, 20 Nov 2012 07:33:00 GMT</pubDate><guid>http://www.aygfsteel.com/magicblw/archive/2012/11/20/391652.html</guid><wfw:comment>http://www.aygfsteel.com/magicblw/comments/391652.html</wfw:comment><comments>http://www.aygfsteel.com/magicblw/archive/2012/11/20/391652.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.aygfsteel.com/magicblw/comments/commentRss/391652.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/magicblw/services/trackbacks/391652.html</trackback:ping><description><![CDATA[     摘要: XMLTypeHandlerCallback ibatis  <a href='http://www.aygfsteel.com/magicblw/archive/2012/11/20/391652.html'>阅读全文</a><img src ="http://www.aygfsteel.com/magicblw/aggbug/391652.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/magicblw/" target="_blank">怎么慕天空的飞?/a> 2012-11-20 15:33 <a href="http://www.aygfsteel.com/magicblw/archive/2012/11/20/391652.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>关于L点网?/title><link>http://www.aygfsteel.com/magicblw/archive/2009/02/13/254589.html</link><dc:creator>怎么慕天空的飞?/dc:creator><author>怎么慕天空的飞?/author><pubDate>Fri, 13 Feb 2009 09:51:00 GMT</pubDate><guid>http://www.aygfsteel.com/magicblw/archive/2009/02/13/254589.html</guid><wfw:comment>http://www.aygfsteel.com/magicblw/comments/254589.html</wfw:comment><comments>http://www.aygfsteel.com/magicblw/archive/2009/02/13/254589.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.aygfsteel.com/magicblw/comments/commentRss/254589.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/magicblw/services/trackbacks/254589.html</trackback:ping><description><![CDATA[         q来业务上有一些需求,Ҏ一些离散点ȝ值线Q第一步就遇到了插值问题,|上看了看,插值有很多法Q用的比较多的是Kriging<span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">Q克里金插值法Q和三角|法Q希望有法代码的兄弟分享一下。我的邮:<a href="mailto:softblw@yahoo.com.cn">softblw@yahoo.com.cn</a></span><br /> <img src ="http://www.aygfsteel.com/magicblw/aggbug/254589.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/magicblw/" target="_blank">怎么慕天空的飞?/a> 2009-02-13 17:51 <a href="http://www.aygfsteel.com/magicblw/archive/2009/02/13/254589.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>h一个关于char的问?/title><link>http://www.aygfsteel.com/magicblw/archive/2007/11/15/160702.html</link><dc:creator>怎么慕天空的飞?/dc:creator><author>怎么慕天空的飞?/author><pubDate>Thu, 15 Nov 2007 02:49:00 GMT</pubDate><guid>http://www.aygfsteel.com/magicblw/archive/2007/11/15/160702.html</guid><wfw:comment>http://www.aygfsteel.com/magicblw/comments/160702.html</wfw:comment><comments>http://www.aygfsteel.com/magicblw/archive/2007/11/15/160702.html#Feedback</comments><slash:comments>6</slash:comments><wfw:commentRss>http://www.aygfsteel.com/magicblw/comments/commentRss/160702.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/magicblw/services/trackbacks/160702.html</trackback:ping><description><![CDATA[    下面的程序段会输Z么?知道原因的请说明Q谢?br />      <div style="border-right: #cccccc 1px solid; padding-right: 5px; border-top: #cccccc 1px solid; padding-left: 4px; font-size: 13px; padding-bottom: 4px; border-left: #cccccc 1px solid; width: 98%; word-break: break-all; padding-top: 4px; border-bottom: #cccccc 1px solid; background-color: #eeeeee"><img id="Codehighlighter1_18_323_Open_Image" onclick="this.style.display='none'; Codehighlighter1_18_323_Open_Text.style.display='none'; Codehighlighter1_18_323_Closed_Image.style.display='inline'; Codehighlighter1_18_323_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_18_323_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_18_323_Closed_Text.style.display='none'; Codehighlighter1_18_323_Open_Image.style.display='inline'; Codehighlighter1_18_323_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedBlock.gif" align="top" alt="" /><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">class</span><span style="color: #000000"> test </span><span id="Codehighlighter1_18_323_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_18_323_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /> <br /> <img id="Codehighlighter1_46_85_Open_Image" onclick="this.style.display='none'; Codehighlighter1_46_85_Open_Text.style.display='none'; Codehighlighter1_46_85_Closed_Image.style.display='inline'; Codehighlighter1_46_85_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_46_85_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_46_85_Closed_Text.style.display='none'; Codehighlighter1_46_85_Open_Image.style.display='inline'; Codehighlighter1_46_85_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> func(</span><span style="color: #0000ff">int</span><span style="color: #000000"> i)</span><span id="Codehighlighter1_46_85_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_46_85_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        System.out.println(</span><span style="color: #000000">"</span><span style="color: #000000">invoke int</span><span style="color: #000000">"</span><span style="color: #000000">);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />    }</span></span><span style="color: #000000"><br /> <img id="Codehighlighter1_114_156_Open_Image" onclick="this.style.display='none'; Codehighlighter1_114_156_Open_Text.style.display='none'; Codehighlighter1_114_156_Closed_Image.style.display='inline'; Codehighlighter1_114_156_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_114_156_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_114_156_Closed_Text.style.display='none'; Codehighlighter1_114_156_Open_Image.style.display='inline'; Codehighlighter1_114_156_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> func(String i)</span><span id="Codehighlighter1_114_156_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_114_156_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        System.out.println(</span><span style="color: #000000">"</span><span style="color: #000000">invoke String</span><span style="color: #000000">"</span><span style="color: #000000">);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />    }</span></span><span style="color: #000000"><br /> <img id="Codehighlighter1_183_223_Open_Image" onclick="this.style.display='none'; Codehighlighter1_183_223_Open_Text.style.display='none'; Codehighlighter1_183_223_Closed_Image.style.display='inline'; Codehighlighter1_183_223_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_183_223_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_183_223_Closed_Text.style.display='none'; Codehighlighter1_183_223_Open_Image.style.display='inline'; Codehighlighter1_183_223_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> func(</span><span style="color: #0000ff">byte</span><span style="color: #000000"> i)</span><span id="Codehighlighter1_183_223_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_183_223_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        System.out.println(</span><span style="color: #000000">"</span><span style="color: #000000">invoke byte</span><span style="color: #000000">"</span><span style="color: #000000">);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />    }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    <br /> <img id="Codehighlighter1_265_321_Open_Image" onclick="this.style.display='none'; Codehighlighter1_265_321_Open_Text.style.display='none'; Codehighlighter1_265_321_Closed_Image.style.display='inline'; Codehighlighter1_265_321_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_265_321_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_265_321_Closed_Text.style.display='none'; Codehighlighter1_265_321_Open_Image.style.display='inline'; Codehighlighter1_265_321_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">static</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> main(String []arg)</span><span id="Codehighlighter1_265_321_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_265_321_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    test test1</span><span style="color: #000000">=</span><span style="color: #0000ff">new</span><span style="color: #000000"> test();<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">char</span><span style="color: #000000"> a</span><span style="color: #000000">=</span><span style="color: #000000">'</span><span style="color: #000000">a</span><span style="color: #000000">'</span><span style="color: #000000">;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    test1.func(a);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />    }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedBlockEnd.gif" align="top" alt="" />}</span></span></div> <img src ="http://www.aygfsteel.com/magicblw/aggbug/160702.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/magicblw/" target="_blank">怎么慕天空的飞?/a> 2007-11-15 10:49 <a href="http://www.aygfsteel.com/magicblw/archive/2007/11/15/160702.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>在jsp环境中配|用FCKEditorQ{载)http://www.aygfsteel.com/magicblw/archive/2007/09/27/148722.html怎么慕天空的飞?/dc:creator>怎么慕天空的飞?/author>Thu, 27 Sep 2007 07:06:00 GMThttp://www.aygfsteel.com/magicblw/archive/2007/09/27/148722.htmlhttp://www.aygfsteel.com/magicblw/comments/148722.htmlhttp://www.aygfsteel.com/magicblw/archive/2007/09/27/148722.html#Feedback1http://www.aygfsteel.com/magicblw/comments/commentRss/148722.htmlhttp://www.aygfsteel.com/magicblw/services/trackbacks/148722.html           FCKeditor是sourceforge.net上面的一个开源项目,主要是实现在U网늼辑器的功能,可以让webE序拥有如MS Wordq样强大的编辑功能。官方网站ؓhttp://www.fckeditor.net Q在服务器端支持ASP.Net、ASP、ClodFusion、PHP?a class="bluekey" target="_blank">Java{语aQƈ且支持IE 5+、Mozilla 、Netscape{主浏览器?

  首先在官方网站下载fckeditor,注意有两个包Q一个是LӞ一个是jsp整合包的?/p>

  1?/strong>解压FCKeditor_2.2.zip,(FCKeditorL?Q将FCKeditor目录复制到网站根目录下,

  2?/strong>解压FCKeditor-2.3.zip,(jsp,FCKeditor整合?Q作用:This is the JSP Integration Pack for using FCKeditor inside a java server page without the complexity of using a Java scriptlets or the javascript api.

  3?/strong>FCKeditor-2.3/web/WEB-INF/web.xml中的两个servlet,servlet-mapping定义复制到自已项目的web.xml文g?br /> 修改

<servlet-mapping>  
        
<servlet-name>Connector</servlet-name>  
        
<url-pattern>/editor/filemanager/browser/default/connectors/jsp/connector</url-pattern>  
    
</servlet-mapping>  

    
<servlet-mapping>  
        
<servlet-name>SimpleUploader</servlet-name>  
        
<url-pattern>/editor/filemanager/upload/simpleuploader</url-pattern>  
 
</servlet-mapping>

?br />
<servlet-mapping>  
        
<servlet-name>Connector</servlet-name>  
        
<url-pattern>/FCKeditor/editor/filemanager/browser/default/connectors/jsp/connector</url-pattern>  
    
</servlet-mapping>  

    
<servlet-mapping>  
        
<servlet-name>SimpleUploader</servlet-name>  
        
<url-pattern>/FCKeditor/editor/filemanager/upload/simpleuploader</url-pattern>  
  
</servlet-mapping>

        4?/strong>FCKeditor-2.3/web/WEB-INF/lib目录下文件复制到自已目的lib文g夹中

  5?/strong>在需使用FCKeditor的jsp界面中加入:

// 文g开头处加入  
<%@ taglib uri="http://fckeditor.net/tags-fckeditor" prefix="FCK" %>  
//要用的地方加入  
<FCK:editor id="content" basePath="/FCKeditor/"  
                                imageBrowserURL
="/FCKeditor/editor/filemanager/browser/default/browser.html?Type=Image&Connector=connectors/jsp/connector"  
                                linkBrowserURL
="/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=connectors/jsp/connector"  
                                flashBrowserURL
="/FCKeditor/editor/filemanager/browser/default/browser.html?Type=Flash&Connector=connectors/jsp/connector"  
                                imageUploadURL
="/FCKeditor/editor/filemanager/upload/simpleuploader?Type=Image"  
                                linkUploadURL
="/FCKeditor/editor/filemanager/upload/simpleuploader?Type=File"  
                                flashUploadURL
="/FCKeditor/editor/filemanager/upload/simpleuploader?Type=Flash">  
            
this is default content :)  
</FCK:editor>

          启动服务器测试。。。。成功后Q来lFCKeditor瘦瘦w? 

  1?/strong>FCKeditor目录下及子目录下所有以”_”下划U开头的文g夹删?br />   2.FCKeditor根目录下只保留fckconfig.js, fckeditor.js, fckstyles.xml, fcktemplates.xml其余全部删除
  3.editor/filemanager/upload目录下文件及文gҎI?
  4.q可以将editor/skins目录下的皮肤文g删除Q只留下default一套皮肤(如果你不需要换皮肤的话Q?br />   5.q可以将editor/lang目录下文件删除,只保留en.js, fcklanguagemanager.js, zh-cn.js, zh.js文gQ英文,体中文,J体中文一般应该够用了:) Q?/p>

  完成Q现在看是不是清爽了很多Q?br />
        其它问题Q?/strong>
  在struts+spring+hibernate中用,上传囑փ功能中可能会出现报:
  The output format must have a ‘{http://xml.apache.org/xalan}content-handler’ property!
  错的情况Q将WEB-INF/lib目录下xalan*.jar删除试试

  安全问题Q?/strong>
  假如在前台让普通用户也能用FCKEditor,要注意相兛_全问?在前C用时,不要使用默认的ToolBarQ?br />   要将d囑փQflashQ图像域按钮L
在fckconfig.js中大U?8行配|?nbsp; 那些数组中的值就像当于界面上的一个功能,你可以强行把每组D出来代表什么?/p>

  到此安装FCKeditor完成了Q相兌l配|你可以看FCKeditor-2.3.zip,(jsp,FCKeditor整合?文g夹中web/_samples目录下的例子?br />

         转蝲自:http://homepage.yesky.com/253/2615753.shtml



]]>
q程启动weblogic的问题?http://www.aygfsteel.com/magicblw/archive/2007/09/25/148150.html怎么慕天空的飞?/dc:creator>怎么慕天空的飞?/author>Tue, 25 Sep 2007 15:09:00 GMThttp://www.aygfsteel.com/magicblw/archive/2007/09/25/148150.htmlhttp://www.aygfsteel.com/magicblw/comments/148150.htmlhttp://www.aygfsteel.com/magicblw/archive/2007/09/25/148150.html#Feedback1http://www.aygfsteel.com/magicblw/comments/commentRss/148150.htmlhttp://www.aygfsteel.com/magicblw/services/trackbacks/148150.html       solaris10安装了英文和中文包(也就是可以登录到中文或英文的操作界面Q,在solaris10上安装了weblogic92q且同时部v了自q域,名字是file_domain?br />    
     问题描述Q?br />      一Q通过xwindows或telnet{远E方式启动weblogicӞweblogic服务q不是做为后台程序运行的Q而是和终端服务联pd一赗比如通过telnetQ启动weblogic后无法返回到命o行,xtelnet的同时weblogic服务同时也关闭。通过xwindow启动weblogicQxwindow关闭后weblogic服务同时也关闭了?br />      二:启动weblogic后,应用中无法识别中文字W?br />
    解决问题一Q?br />     我的目标是通过q程的方式让weblogic作ؓ后台服务启动Q查询了一些资料后发现有两U方式,W一U测试通过Q第二种q未试Q时间不够了Q呵呵)
        方式一Q?br />         1.在我们徏的域文g夹下新徏一个boot.properties文gQ比如我的域路径Q?#8220;c:/bea/user_projects/file_domain/”Q打开ơ文件ƈdd用户的用户名和密码等内容Qweblogic的生产模式)Q如下所C?br />          
username=weblogic
password
=weblogic

        2.打开q程l端Q定位到weblogic的启动目录,输入
nohup ./startWebLogic.sh
       weblogic服务可以作ؓ后台服务启动。说明一下,weblogic 启动时从boot.propertiesd相应内容q加密保存到servers目录下的相应的配|文件。boot.properties只v一ơ作用?br />
      方式二:修改shell文gQ不安全Q?br />        1:定ؓ到startWebLogic.sh文gQ编辑此文g
WLS_USER="weblogic"
WLS_PW
="weblogic"


      2:定ؓ到weblogic启动目录Q在l端输入 nohup ./startWebLogic.sh?br />

      解决问题二:
      问题虽然解决了,但原因说不清楚?br />       1Q用xwindowdsolaris10Qƈ选择中文字符集?br />       2Q用l端启动weblogic服务Q此时的weblogic服务可以识别中文字符。而其它的方式包括telnet方式启动weblogic 服务都无法识别中文?/p>

]]>
查看数据库连接数的sql语句http://www.aygfsteel.com/magicblw/archive/2007/09/12/144412.html怎么慕天空的飞?/dc:creator>怎么慕天空的飞?/author>Wed, 12 Sep 2007 01:33:00 GMThttp://www.aygfsteel.com/magicblw/archive/2007/09/12/144412.htmlhttp://www.aygfsteel.com/magicblw/comments/144412.htmlhttp://www.aygfsteel.com/magicblw/archive/2007/09/12/144412.html#Feedback0http://www.aygfsteel.com/magicblw/comments/commentRss/144412.htmlhttp://www.aygfsteel.com/magicblw/services/trackbacks/144412.html        个hl常在测试Y件时使用q个命o。可以有效查看某一用户q接数据库的实例个数?/span>

select * from v$session where username is not null
select username,count(username) from v$session where username is not null group by username 


]]>
jsp常见问题Q{载)http://www.aygfsteel.com/magicblw/archive/2007/08/28/140544.html怎么慕天空的飞?/dc:creator>怎么慕天空的飞?/author>Tue, 28 Aug 2007 07:41:00 GMThttp://www.aygfsteel.com/magicblw/archive/2007/08/28/140544.htmlhttp://www.aygfsteel.com/magicblw/comments/140544.htmlhttp://www.aygfsteel.com/magicblw/archive/2007/08/28/140544.html#Feedback1http://www.aygfsteel.com/magicblw/comments/commentRss/140544.htmlhttp://www.aygfsteel.com/magicblw/services/trackbacks/140544.htmlrequest.setCharacterEncoding("GB2312")

  2、在JSP|页中获取页面的名称Q?

request.getRequestURI() ;//文g?
request.getRequestURL() ;//全部url

  3?面不保留缓存:

response.setHeader("Pragma","No-cache");
response.setHeader("Cache-Control","no-cache");
response.setDateHeader("Expires", 0);

  4、日期时_服务器端Q?

String datestr ;
java.text.DateFormat df = new java.text.SimpleDateFormat("MM月dd?HH:mm E"); //q里格式?
datestr = df.format(new java.util.Date()) ;
out.println(datestr);

  或?

Q? java.util.Date shijian= new java.util.Date();%Q?br>Q?=shijian.getYear()+1900%Q<%=shijian.getMonth()+1%Q<%=shijian.getDate()%Q?br>Q?=shijian.getHour()%Q<%=shijian.getMinute()%Q?/p>

  5、java中运用正则。jdk需?.4以上 import="java.util.regex.*

  6、点后退昄|页q期

  在里面加以下代码

QMETA http-equiv=Pragma content=no-cache>
QMETA http-equiv=Cache-Control content=no-cache>
QMETA http-equiv=Expires content=0>

  ?3 原理一栗?

  7、计执行所p的时?

  代码开始取旉Q结束后取时_相减

long t1 = System.currentTimeMillis();
///////////////// your code
long t2 = System.currentTimeMillis() ;
long time = t2-t1;

  8、四舍五入,保留数点后两位数Q?

import java.text.*;
NumberFormat nf=NumberFormat.getNumberInstance();
nf.setMaximumFractionDigits(2);
nf.setMinimumFractionDigits(2);
nf.format(numb);
或?+0.005 - 0.01)再取.后两?

  9、form的默认方法是get.

  post方式是向服务器传送大定w数据时用的Ҏ。(再打开一个socket.?Q?

  10?防止用户直接输入urlq去面Q?

  一 是在要访问的面中加入控?q个一般用session?

  ?是从web服务器控?Ҏ一目录的所有访问要通过验证.Q有把jsp攑ֈweb-inf下)

  11、数据库是datetime ?Q插入当前时间到数据库:

java.sql.Date sqlDate = new java.sql.Date();
PreparedStatement pstmt = conn.prepareStatement("insert into foo(time) values(?)");
pstmt.setDate(1,sqlDate);
pstmt.executeUpdate();

  其实一般数据库都有自己的系l时间函数?

insert into foo(time) values(sysdate)

  12?session存取intcd的变量:

session.setAttribute("int", i+""); //注意q里i+""
int i = Integer.parseInt(session.getAttribute("int"));

  session的一些概c?

  用户在浏览网|Q由于Http 协议是一U无状态的协议Q往往在不同的面之间存在数据交换的问题,q就需要在q些不同的页面之间共享数据。常见的实现Ҏ是把要共享的数据保存到Session 中。比如在用户d的页面中把一些用L信息保存到Session 之中Q然后在其他的页面中d用户的信息。这些共享的数据可以是字W串或者与Java 的原始数据类型相关的对象Q也可以是一个Java 对象?

  Session 只能保存对象Q不能保存原始的数据cdQ比如:

session.setAttribute(“count”,10)

  是非法的语句Q如果要把gؓ10 的整C存到Session 中,需要用以下的ҎQ?/p>

session.setAttribute(“count”,new Integer(10));

  然后在另一个页面中使用Q?

(Integer)session.getAttribute(“count”)

  来把q个整数d出来?

was中设|可以把session攑֜pȝ的数据库中,但这样媄响效率。session大小最好不要太?/p>

  13、把字符转化成ASCII?

int a='A'; out.println(a);

  14、String s = new String("xyz");创徏了两个String Object对象Q一个是“xyx”,一个是指向“xyx”的引用对象s?

  q有典型的equals() ?== q个参考在堆栈原理?

  15、swtich不能作用在long上和String上:

switchQexpr1Q中Qexpr1是一个整数表辑ּ。传递给 switch ?case 语句的参数应该是
int?short?char 或?byte。long,string 都不能作用于swtich?

  16、Hashtable和HashMap 

  Hashtablel承自Dictionaryc,而HashMap是Java1.2引进的Map interface的一个实现HashMap允许null作ؓ一个entry的key或者valueQ而Hashtable不允许Hashtable的方法是Synchronize的,而HashMap不是Q在多个U程讉KHashtableӞ不需要自׃ؓ它的Ҏ实现同步Q而HashMap必Mؓ之提供外同步?nbsp;




]]>
接口和抽象类http://www.aygfsteel.com/magicblw/archive/2007/08/22/138615.html怎么慕天空的飞?/dc:creator>怎么慕天空的飞?/author>Wed, 22 Aug 2007 07:03:00 GMThttp://www.aygfsteel.com/magicblw/archive/2007/08/22/138615.htmlhttp://www.aygfsteel.com/magicblw/comments/138615.htmlhttp://www.aygfsteel.com/magicblw/archive/2007/08/22/138615.html#Feedback2http://www.aygfsteel.com/magicblw/comments/commentRss/138615.htmlhttp://www.aygfsteel.com/magicblw/services/trackbacks/138615.html         ?span lang=EN-US style="FONT-SIZE: 10pt">Java中看到接口,W一个想到的可能是C++中的多重l承?/span>Java中的另外一个关键字abstract。从另外一个角度实现多重承是接口的功能之一Q接口的存在可以?/span>Java中的对象可以向上转型为多个基cdQƈ且和抽象cM样可以防止他人创cȝ对象Q因为接口不允许创徏对象?/span> 

interface关键字用来声明一个接口,它可以生一个完全抽象的c,q且不提供Q何具体实现?/span>interface的特性整理如下:

1.        接口中的Ҏ可以有参数列表和q回cdQ但不能有Q何方法体?/span>

2.        接口中可以包含字D,但是会被隐式的声明ؓstatic?/span>final?/span>

3.        接口中的字段只是被存储在该接口的静态存储区域内Q而不属于该接口?/span>

4.        接口中的Ҏ可以被声明ؓpublic或不声明Q但l果都会按照publiccd处理?/span>

5.        当实C个接口时Q需要将被定义的Ҏ声明?/span>publiccd的,否则为默认访问类型,Java~译器不允许q种情况?/span>

6.        如果没有实现接口中所有方法,那么创徏的仍然是一个接口?/span>

7.        扩展一个接口来生成新的接口应用关键字extendsQ实C个接口?/span>implements?/span>

interface在某些地方和abstract有相似的地方Q但是采用哪U方式来声明cM要参照以下两点:

1.        如果要创Z带Q何方法定义和成员变量的基c,那么应该选择接口而不是抽象类?/span>

2.        如果知道某个cd该是基类Q那么第一个选择的应该是让它成ؓ一个接口,只有在必要有方法定义和成员变量的时候,才应该选择抽象cR因为抽象类中允许存在一个或多个被具体实现的ҎQ只要方法没有被全部实现该类׃是抽象类?/span>

 

以上是接口的基本特性和应用的领域,但是接口l不仅仅如此Q在Java语法l构中,接口可以被嵌套,既可以被某个cd套,也可以被接口嵌套。这在实际开发中可能应用的不多,但也是它的特性之一。需要注意的是,在实现某个接口时Qƈ不需要实现嵌套在其内部的M接口Q而且Q?/span>private接口不能在定义它的类之外被实现?/span>



]]>
cL法可以理解ؓ静态方法吗http://www.aygfsteel.com/magicblw/archive/2007/08/22/138610.html怎么慕天空的飞?/dc:creator>怎么慕天空的飞?/author>Wed, 22 Aug 2007 06:42:00 GMThttp://www.aygfsteel.com/magicblw/archive/2007/08/22/138610.htmlhttp://www.aygfsteel.com/magicblw/comments/138610.htmlhttp://www.aygfsteel.com/magicblw/archive/2007/08/22/138610.html#Feedback4http://www.aygfsteel.com/magicblw/comments/commentRss/138610.htmlhttp://www.aygfsteel.com/magicblw/services/trackbacks/138610.html
1Q类Ҏcd量是静态方法,静态方法和静态变量可以看作是全局的?br>2Q实例方法和是实例变量可以看作是qnew出来的对象,是局部的?br>
规则Q?br>1Q全局的可以调用全局?br>2Q局部的可以调用局部的
3Q局部可以调用全局?br>4Q全局不可以直接调用局部的
5Q实例方法和实例变量只可以由对象引用Q而类Ҏ和类变量可以q名或对象引用?br>
以上是自q一些看法,不对的地方请指教?

]]>
计算L2个日期内的工作日(摘抄)http://www.aygfsteel.com/magicblw/archive/2007/08/21/138433.html怎么慕天空的飞?/dc:creator>怎么慕天空的飞?/author>Tue, 21 Aug 2007 11:11:00 GMThttp://www.aygfsteel.com/magicblw/archive/2007/08/21/138433.htmlhttp://www.aygfsteel.com/magicblw/comments/138433.htmlhttp://www.aygfsteel.com/magicblw/archive/2007/08/21/138433.html#Feedback0http://www.aygfsteel.com/magicblw/comments/commentRss/138433.htmlhttp://www.aygfsteel.com/magicblw/services/trackbacks/138433.html思\不错Q对旉的操作挺全面Q参考一下。代码如下:
package test;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
/**
 * 计算L2个日期内的工作日Q没有考虑到固定假日)
 * @author blw
 *
 */
public class DateCal {

 /**
  * @param args
  */
 /*
  *
主要思\Q?
对于L2个日期比如:date_start=2006-10-1、date_end=2006-10-14 Q?br>首先计算q连个日期之间的旉间隔Q天敎ͼQ然后分别对date_start 和date_end 取得它们下一个星期一的日期,
q样可以得C个新的可以整?的完整日期间隔(q个新的日期间隔已经把星期几的问题剔出掉了)Q?br>换一U说法就是我们可以得刎ͼq两个新的日期之间的周数Q拿q个周数乘以5是工作日期了(tmpWorkingDaysQ?br>但是q个日期q不是我们所要的日期Q接下来我们要做的就是计date_start,date_endq两个日期对于根据它们所产生的新的日期之间的旉偏移量,
date_start的偏U量Qdate_start_changeQ是需要加的,而date_end的这个偏U量Qdate_end_changeQ是需要减ȝ?
最后我们只要用tmpWorkingDays+date_start_change-date_end_change是我们所要求的实际工作日了?br>以下是所有实C码(两个日期跨年也没有问题)?nbsp;
  *
  */
 public static void main(String[] args) {
  try {

   String strDateStart = "2007-8-1";
   String strDateEnd = "2007-8-21";
   SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
   Date date_start = sdf.parse(strDateStart);
   Date date_end = sdf.parse(strDateEnd);
   DateCal app = new DateCal();
   Calendar cal_start = Calendar.getInstance();
   Calendar cal_end = Calendar.getInstance();
   cal_start.setTime(date_start);
   cal_end.setTime(date_end);
   System.out.println("星期-->" + app.getChineseWeek(cal_start)
     + " 日期-->" + cal_start.get(Calendar.YEAR) + "-"
     + (cal_start.get(Calendar.MONTH) + 1) + "-"
     + cal_start.get(Calendar.DAY_OF_MONTH));
   System.out.println("星期-->" + app.getChineseWeek(cal_end) + " 日期-->"
     + cal_end.get(Calendar.YEAR) + "-"
     + (cal_end.get(Calendar.MONTH) + 1) + "-"
     + cal_end.get(Calendar.DAY_OF_MONTH));
   System.out.println("工作日ؓ-->"
     + app.getWorkingDay(cal_start, cal_end));
   System.out.println("休息?->"+app.getHolidays(cal_start, cal_end));
  } catch (Exception e) {
   // TODO: handle exception
  }
 }

 public int getDaysBetween(java.util.Calendar d1, java.util.Calendar d2) {
  if (d1.after(d2)) { // swap dates so that d1 is start and d2 is end
   java.util.Calendar swap = d1;
   d1 = d2;
   d2 = swap;
  }
  int days = d2.get(java.util.Calendar.DAY_OF_YEAR)
    - d1.get(java.util.Calendar.DAY_OF_YEAR);
  int y2 = d2.get(java.util.Calendar.YEAR);
  if (d1.get(java.util.Calendar.YEAR) != y2) {
   d1 = (java.util.Calendar) d1.clone();
   do {
    days += d1.getActualMaximum(java.util.Calendar.DAY_OF_YEAR);
    d1.add(java.util.Calendar.YEAR, 1);
   } while (d1.get(java.util.Calendar.YEAR) != y2);
  }
  return days;
 }

 /**
  * 计算2个日期之间的盔R天数
  * @param d1
  * @param d2
  * @return
  */
 public int getWorkingDay(java.util.Calendar d1, java.util.Calendar d2) {
  int result = -1;
  if (d1.after(d2)) { // swap dates so that d1 is start and d2 is end
   java.util.Calendar swap = d1;
   d1 = d2;
   d2 = swap;
  }

  int betweendays = getDaysBetween(d1, d2);

 
  int charge_date = 0;
  int charge_start_date = 0;//开始日期的日期偏移?br>  int charge_end_date = 0;//l束日期的日期偏U量
   // 日期不在同一个日期内
   int stmp;
   int etmp;
   stmp = 7 - d1.get(Calendar.DAY_OF_WEEK);
   etmp = 7 - d2.get(Calendar.DAY_OF_WEEK);
   if (stmp != 0 && stmp != 6) {// 开始日期ؓ星期六和星期日时偏移量ؓ0
    charge_start_date = stmp - 1;
   }
   if (etmp != 0 && etmp != 6) {// l束日期为星期六和星期日时偏U量?
    charge_end_date = etmp - 1;
   }
//  }
  result = (getDaysBetween(this.getNextMonday(d1), this.getNextMonday(d2)) / 7)
    * 5 + charge_start_date - charge_end_date;
  //System.out.println("charge_start_date>" + charge_start_date);
  //System.out.println("charge_end_date>" + charge_end_date);
  //System.out.println("between day is-->" + betweendays);
  return result;
 }

 public String getChineseWeek(Calendar date) {
  final String dayNames[] = { "星期?, "星期一", "星期?, "星期?, "星期?, "星期?,
    "星期? };

  int dayOfWeek = date.get(Calendar.DAY_OF_WEEK);

  // System.out.println(dayNames[dayOfWeek - 1]);
  return dayNames[dayOfWeek - 1];

 }

 /**
  * 获得日期的下一个星期一的日?br>  *
  * @param date
  * @return
  */
 public Calendar getNextMonday(Calendar date) {
  Calendar result = null;
  result = date;
  do {
   result = (Calendar) result.clone();
   result.add(Calendar.DATE, 1);
  } while (result.get(Calendar.DAY_OF_WEEK) != 2);
  return result;
 }
 
 /**
  *
  * @param d1
  * @param d2
  * @return
  */
 public int getHolidays(Calendar d1,Calendar d2){
  return this.getDaysBetween(d1, d2)-this.getWorkingDay(d1, d2);
 
 }

}



]]>
վ֩ģ壺 | ī| Ȩ| ƽ| | | | | | ɽ| | | Ϸ| | ȫ| ǿ| | Զ| ɽ| Զ| Զ| ƽ½| Ƹ| ɽ| | | | ɽ| | | ϰˮ| ֹ| | ƽԶ| »| ľ| ͼ| ׯ| п| п| ¹|