﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>BlogJava-断点-随笔分类-Java</title><link>http://www.blogjava.net/tfzhu/category/43566.html</link><description>每天进步一点点！</description><language>zh-cn</language><lastBuildDate>Sun, 03 Oct 2010 07:37:58 GMT</lastBuildDate><pubDate>Sun, 03 Oct 2010 07:37:58 GMT</pubDate><ttl>60</ttl><item><title>Exception in thread "main" java.lang.UnsupportedClassVersionError</title><link>http://www.blogjava.net/tfzhu/archive/2010/10/02/333679.html</link><dc:creator>断点</dc:creator><author>断点</author><pubDate>Sat, 02 Oct 2010 15:52:00 GMT</pubDate><guid>http://www.blogjava.net/tfzhu/archive/2010/10/02/333679.html</guid><wfw:comment>http://www.blogjava.net/tfzhu/comments/333679.html</wfw:comment><comments>http://www.blogjava.net/tfzhu/archive/2010/10/02/333679.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/tfzhu/comments/commentRss/333679.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/tfzhu/services/trackbacks/333679.html</trackback:ping><description><![CDATA[<p>在命令行下运行java程序，出现如上异常Exception in thread "main" java.lang.UnsupportedClassVersionError。<br />
<br />
主要是jdk的版本被oracle给换成低版本了。<br />
可以在命令行下输入：javac -version 查看版本，最后把%JAVA_HOME%\bin;添加到Oracle之前，再重开启电脑，编译，运行即可。<br />
<br />
可以查考：http://hi.baidu.com/tianxingacer/blog/item/e628b947ffc54f016a63e5ac.html/cmtid/1fe1e9ae1dc5b9f6faed50d9</p>
<img src ="http://www.blogjava.net/tfzhu/aggbug/333679.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tfzhu/" target="_blank">断点</a> 2010-10-02 23:52 <a href="http://www.blogjava.net/tfzhu/archive/2010/10/02/333679.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>清除IE缓存工具：cleanerV6.bat </title><link>http://www.blogjava.net/tfzhu/archive/2010/01/14/309532.html</link><dc:creator>断点</dc:creator><author>断点</author><pubDate>Thu, 14 Jan 2010 13:15:00 GMT</pubDate><guid>http://www.blogjava.net/tfzhu/archive/2010/01/14/309532.html</guid><wfw:comment>http://www.blogjava.net/tfzhu/comments/309532.html</wfw:comment><comments>http://www.blogjava.net/tfzhu/archive/2010/01/14/309532.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/tfzhu/comments/commentRss/309532.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/tfzhu/services/trackbacks/309532.html</trackback:ping><description><![CDATA[<p>以下是具体cleanerV6.bat的文件内容：</p>
<p><span style="color: #0000ff">del /f /s /q "%userprofile%\Application Data\Sun\Java\Deployment\cache\*.*"</span><br />
<span style="color: #0000ff">del /f /s /q "%userprofile%\Local Settings\Temporary Internet Files\*.*" </span><br />
<span style="color: #0000ff">del /f /s /q "%userprofile%\Local Settings\Temp\*.*" </span><br />
<span style="color: #0000ff">regsvr32 %systemroot%\system32\jscript.dll /s</span><br />
<span style="color: #0000ff">regsvr32 %systemroot%\system32\vbscript.dll /s</span><br />
<span style="color: #0000ff">regsvr32 %systemroot%\system32\Shdocvw.dll /s </span><br />
<span style="color: #0000ff">regsvr32 %systemroot%\system32\Oleaut32.dll /s </span><br />
<span style="color: #0000ff">regsvr32 %systemroot%\system32\Actxprxy.dll /s </span><br />
<span style="color: #0000ff">regsvr32 %systemroot%\system32\Mshtml.dll /s </span><br />
<span style="color: #0000ff">regsvr32 %systemroot%\system32\Urlmon.dll /s </span><br />
<span style="color: #0000ff">regsvr32 %systemroot%\system32\browseui.dll /s</span></p>
<br />
posted @ 2009-11-28 18:42 断点 阅读(134) | 评论 (0) 
<img src ="http://www.blogjava.net/tfzhu/aggbug/309532.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tfzhu/" target="_blank">断点</a> 2010-01-14 21:15 <a href="http://www.blogjava.net/tfzhu/archive/2010/01/14/309532.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>非模态窗口用法</title><link>http://www.blogjava.net/tfzhu/archive/2010/01/14/309529.html</link><dc:creator>断点</dc:creator><author>断点</author><pubDate>Thu, 14 Jan 2010 13:00:00 GMT</pubDate><guid>http://www.blogjava.net/tfzhu/archive/2010/01/14/309529.html</guid><wfw:comment>http://www.blogjava.net/tfzhu/comments/309529.html</wfw:comment><comments>http://www.blogjava.net/tfzhu/archive/2010/01/14/309529.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/tfzhu/comments/commentRss/309529.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/tfzhu/services/trackbacks/309529.html</trackback:ping><description><![CDATA[<p>1.vhl.js文件里面的一个js方法里，添加如下:</p>
<p>&nbsp;window.open(base+"/policy/universal/pop/flat_vhl_inf_query.jsp?</p>
<p>all="+url,"","scrollbars=yes,left=0,top=0,Toolbar=no,Location=no,Direction=no,Resizeable=no,Width="+800+" ,Height="+530);<br />
&nbsp; </p>
<p>2.在flat_vhl_inf_query.jsp页面的js方法里面，调用：<br />
&nbsp; <span style="color: #0000ff">opener</span><span style="color: #0000ff">.test(list);&nbsp;&nbsp; </span>// 调用 父窗口 test方法</p>
<p>&nbsp;</p>
<p>3.在vhl.js文件里面的一个js方法，名字也就是test，在这个方法里获得弹出窗口的回填数据。</p>
<p><br />
这里调用了非模态窗口用法。</p>
<br />
<br />
posted @ 2009-11-28 18:13 断点 阅读(4) | 评论 (0) 
<img src ="http://www.blogjava.net/tfzhu/aggbug/309529.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tfzhu/" target="_blank">断点</a> 2010-01-14 21:00 <a href="http://www.blogjava.net/tfzhu/archive/2010/01/14/309529.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>IIS上启用Gzip压缩 </title><link>http://www.blogjava.net/tfzhu/archive/2010/01/14/309528.html</link><dc:creator>断点</dc:creator><author>断点</author><pubDate>Thu, 14 Jan 2010 12:59:00 GMT</pubDate><guid>http://www.blogjava.net/tfzhu/archive/2010/01/14/309528.html</guid><wfw:comment>http://www.blogjava.net/tfzhu/comments/309528.html</wfw:comment><comments>http://www.blogjava.net/tfzhu/archive/2010/01/14/309528.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/tfzhu/comments/commentRss/309528.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/tfzhu/services/trackbacks/309528.html</trackback:ping><description><![CDATA[<p>什么是GZIP压缩 ，网页GZIP压缩是什么意思？<br />
这一般是指WWW服务器中安装的一个功能，当有人来访问这个服务器中的网站时，服务器中的这个功能就将网页内容压缩后传输到来访的电脑浏览器中显示出来。一般对纯文本内容可压缩到原大小的40％。这样传输就快了，效果就是你点击网址后会很快的显示出来。当然这也会增加服务器的负载。一般服务器中都安装有这个功能模块的。</p>
<p>&nbsp;</p>
<p>详细请见：http://www.docin.com/p-17644663.html</p>
<br />
posted @ 2009-11-28 17:25 断点 阅读(8) | 评论 (0) 
<img src ="http://www.blogjava.net/tfzhu/aggbug/309528.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tfzhu/" target="_blank">断点</a> 2010-01-14 20:59 <a href="http://www.blogjava.net/tfzhu/archive/2010/01/14/309528.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>项目开发中常用到的sql语句</title><link>http://www.blogjava.net/tfzhu/archive/2010/01/14/309525.html</link><dc:creator>断点</dc:creator><author>断点</author><pubDate>Thu, 14 Jan 2010 12:57:00 GMT</pubDate><guid>http://www.blogjava.net/tfzhu/archive/2010/01/14/309525.html</guid><wfw:comment>http://www.blogjava.net/tfzhu/comments/309525.html</wfw:comment><comments>http://www.blogjava.net/tfzhu/archive/2010/01/14/309525.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/tfzhu/comments/commentRss/309525.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/tfzhu/services/trackbacks/309525.html</trackback:ping><description><![CDATA[<p>1.</p>
<p><span style="color: #3366ff">String hqlBase = " from AppBaseVO t where t.CAppNo ='" + CAppNo + "'";</span><br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style="color: #3366ff">&nbsp; rsList = this.commonDao.find(hqlBase);</span><br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for(AppBaseVO rt : rsList){//只有一条数据。<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; baseCBrkrCde = rt.getCBrkrCde();<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; String hqlCusCha = " from CusChaVO t where t.CChaCde ='" + baseCBrkrCde + "'";<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rsCusCha = this.commonDao.find(hqlCusCha);<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for(CusChaVO rtCusCha : rsCusCha){//一条数据。<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; name = rtCusCha.getCChaNme();<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</p>
<p>--------------------------------------<br />
2.</p>
<p>public Map&lt;String, String&gt; querySelectList(String str) throws DaoException {<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; List list = new ArrayList();<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Map&lt;String, String&gt; map = new HashMap&lt;String, String&gt;();<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; try {<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="color: #3366ff">String sSQL = " FROM AbstractBaseVO&nbsp; where&nbsp; CPlyNo=?";</span><br />
<span style="color: #3366ff">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; list = super.find(sSQL, str);</span></p>
<p>&nbsp;</p>
<p><span style="color: #3366ff">&nbsp;　　　&nbsp; StringBuffer hql = new StringBuffer();<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; hql.append(" FROM InqCreditIndivAuditVO");&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; hql.append(" WHERE CExamMark = '1' ");&nbsp;&nbsp; // 个人客户,'1'为审核通过。<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; hql.append(" AND&nbsp; CInqNo = ? "); <br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; list2 = super.find(hql.toString(),CInqNo);</span></p>
<p><br />
super.search语句用问号。<br />
---------------------------------------<br />
&nbsp;3.</p>
<p>String CCoinsurerCde = map.get("CCoinsurerCde");<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style="color: #3366ff"> String sql = "SELECT C_SELF_MRK FROM WEB_RI_COM WHERE C_COM_CDE=?";</span><br />
<span style="color: #3366ff">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SQLPara sqlPara = new SQLPara();</span><br />
<span style="color: #3366ff">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; sqlPara.add(CCoinsurerCde);</span><br />
<span style="color: #3366ff">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; RowSet rs = this.commonDao.queryNativeSQL(sql, sqlPara, false);</span></p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; boolean selfFlag = false;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; while (<span style="color: #3366ff">rs.next()) {</span><br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; String sCSelfMrk = rs.getString(1);<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if ("1".equals(sCSelfMrk)) {<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; selfFlag = true;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; break;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br />
-----------------------------------------<br />
<span style="color: #3366ff">4.</span></p>
<p>List&lt;PlyBaseVO&gt; plyNo = <span style="color: #3366ff">this.find("FROM PlyBaseVO WHERE CAppNo = '" + appNo + "'");</span><br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if(<span style="color: #3366ff">plyNo.size() &gt; 0</span> ){<br />
&nbsp;&nbsp;&nbsp;}</p>
<br />
posted @ 2009-11-25 14:28 断点 阅读(12) | 评论 (0) 
<img src ="http://www.blogjava.net/tfzhu/aggbug/309525.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tfzhu/" target="_blank">断点</a> 2010-01-14 20:57 <a href="http://www.blogjava.net/tfzhu/archive/2010/01/14/309525.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>项目中常见的log日志调用</title><link>http://www.blogjava.net/tfzhu/archive/2010/01/14/309524.html</link><dc:creator>断点</dc:creator><author>断点</author><pubDate>Thu, 14 Jan 2010 12:56:00 GMT</pubDate><guid>http://www.blogjava.net/tfzhu/archive/2010/01/14/309524.html</guid><wfw:comment>http://www.blogjava.net/tfzhu/comments/309524.html</wfw:comment><comments>http://www.blogjava.net/tfzhu/archive/2010/01/14/309524.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/tfzhu/comments/commentRss/309524.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/tfzhu/services/trackbacks/309524.html</trackback:ping><description><![CDATA[<p><span style="color: #3366ff">第一种用法：引用org.apache.commons.logging.Log。</span></p>
<p>import org.apache.commons.logging.Log;<br />
import org.apache.commons.logging.LogFactory;</p>
<p>private static final Log logger = LogFactory.getLog(PolicyAppBizAction.class);&nbsp; //PolicyAppBizAction.class是自己定义的当前类名。</p>
<p>logger.info("=======================calc start======================");</p>
<p>logger.debug("传递过来的参数 =&gt; " + param);<br />
logger.debug("submitToUnderwriting:参数 =&gt; " + serviceRequest.getCUST_DATA());</p>
<p>catch (Exception e) {<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; logger.error("团单险别VO属性拷贝异常. PolicyAppBizAction.procGroupCvrg()");<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; throw new BusinessServiceException(e);<br />
&nbsp;}<br />
</p>
<p><span style="color: #3366ff">第二种用法：调用log4j。</span><br />
import org.apache.log4j.Logger;<br />
private Logger logger = Logger.getLogger(this.getClass()); //this.getClass()指当前的类。<br />
public Logger getLogger() {<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return this.logger;<br />
&nbsp;&nbsp;&nbsp; }</p>
<p>&nbsp;&nbsp;&nbsp; public void setLogger(Logger logger) {<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; this.logger = logger;<br />
&nbsp;&nbsp;&nbsp; }<br />
this.logger.info("==============调用平台接口投保预确认出错========================");</p>
<br />
posted @ 2009-10-30 01:01 断点 阅读(12) | 评论 (0) 
<img src ="http://www.blogjava.net/tfzhu/aggbug/309524.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tfzhu/" target="_blank">断点</a> 2010-01-14 20:56 <a href="http://www.blogjava.net/tfzhu/archive/2010/01/14/309524.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>getAttribute和getParameter的区别 </title><link>http://www.blogjava.net/tfzhu/archive/2010/01/14/309522.html</link><dc:creator>断点</dc:creator><author>断点</author><pubDate>Thu, 14 Jan 2010 12:51:00 GMT</pubDate><guid>http://www.blogjava.net/tfzhu/archive/2010/01/14/309522.html</guid><wfw:comment>http://www.blogjava.net/tfzhu/comments/309522.html</wfw:comment><comments>http://www.blogjava.net/tfzhu/archive/2010/01/14/309522.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/tfzhu/comments/commentRss/309522.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/tfzhu/services/trackbacks/309522.html</trackback:ping><description><![CDATA[<p><span style="font-size: 10pt"><span style="font-size: 12pt"><font style="color: red" face="Verdana">getAttribute：</font></p>
<p><font face="Verdana">1.getAttribute()得到的数据是object类型，需要强行转换得到相应类型。这是因为它是获取存放在Web应用特定范围中的数据值。<br />
2.request.setAttribute()和getAttribute()方法传递的数据只会存在于Web容器内部，在具有转发关系的Web组件之间共享。即request.getAttribute()方法返回request范围内存在的对象。</font></p>
<p><font style="color: red" face="Verdana">getParameter：</font></p>
<p><font face="Verdana">1.getParameter得到的都是String类型的，取得你设在表单或url重定向时的值，如：http://demo.jsp?id=88中的88。<br />
2.request.getParameter()方法传递的数据，会从Web客户端传到Web服务器端，代表HTTP请求数据。</font></p>
</span></span><br />
posted @ 2009-02-23 17:33 断点 阅读(122) | 评论 (0) 
<img src ="http://www.blogjava.net/tfzhu/aggbug/309522.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tfzhu/" target="_blank">断点</a> 2010-01-14 20:51 <a href="http://www.blogjava.net/tfzhu/archive/2010/01/14/309522.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>JAVA判断字符串是否为数字</title><link>http://www.blogjava.net/tfzhu/archive/2010/01/14/309520.html</link><dc:creator>断点</dc:creator><author>断点</author><pubDate>Thu, 14 Jan 2010 12:49:00 GMT</pubDate><guid>http://www.blogjava.net/tfzhu/archive/2010/01/14/309520.html</guid><wfw:comment>http://www.blogjava.net/tfzhu/comments/309520.html</wfw:comment><comments>http://www.blogjava.net/tfzhu/archive/2010/01/14/309520.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/tfzhu/comments/commentRss/309520.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/tfzhu/services/trackbacks/309520.html</trackback:ping><description><![CDATA[下面有四种方法，估计好用的应该是第三种吧。<br />
1.用JAVA自带的函数 <br />
public static boolean isNumeric(String str){ <br />
for (int i = str.length();--i&gt;=0;){ <br />
if (!Character.isDigit(str.charAt(i))){<br />
return false; <br />
} <br />
}<br />
return true; <br />
} <br />
2.正则表达式 <br />
public static boolean isNumeric(String str){ <br />
Pattern pattern = Pattern.compile("[0-9]*"); <br />
return pattern.matcher(str).matches(); <br />
} <br />
3.还是正则表达式<br />
public static boolean isNumeric(String str){ <br />
if(str.matches("\\d*"){<br />
return true; <br />
}else{<br />
return false;<br />
}<br />
}<br />
4.用ascii码 <br />
public static boolean isNumeric(String str){ <br />
for(int i=str.length();--i&gt;=0;){ <br />
int chr=str.charAt(i); <br />
if(chr&lt;48 || chr&gt;57) <br />
return false;<br />
} <br />
return true; <br />
}<br />
<br />
posted @ 2009-02-19 10:59 断点 阅读(955) | 评论 (0) 
<img src ="http://www.blogjava.net/tfzhu/aggbug/309520.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tfzhu/" target="_blank">断点</a> 2010-01-14 20:49 <a href="http://www.blogjava.net/tfzhu/archive/2010/01/14/309520.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>java连接各种数据库 </title><link>http://www.blogjava.net/tfzhu/archive/2010/01/14/309519.html</link><dc:creator>断点</dc:creator><author>断点</author><pubDate>Thu, 14 Jan 2010 12:47:00 GMT</pubDate><guid>http://www.blogjava.net/tfzhu/archive/2010/01/14/309519.html</guid><wfw:comment>http://www.blogjava.net/tfzhu/comments/309519.html</wfw:comment><comments>http://www.blogjava.net/tfzhu/archive/2010/01/14/309519.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/tfzhu/comments/commentRss/309519.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/tfzhu/services/trackbacks/309519.html</trackback:ping><description><![CDATA[<p><font face="Verdana"><span style="color: #0000ff"><font face="Verdana">java连接各种数据库 </font></span><br />
<span style="color: #008000">1、Oracle8/8i/9i数据库（thin模式）</span> <br />
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance(); <br />
String url="jdbc:oracle:thin:@localhost:1521:orcl"; <br />
//orcl为数据库的SID <br />
String user="test"; <br />
String password="test"; <br />
Connection conn= DriverManager.getConnection(url,user,password); </font></p>
<p><font face="Verdana"><span style="color: #008000"><font face="Verdana">2、DB2数据库 <br />
</font></span>Class.forName("com.ibm.db2.jdbc.app.DB2Driver ").newInstance(); <br />
String url="jdbc:db2://localhost:5000/sample"; <br />
//sample为你的数据库名 <br />
String user="admin"; <br />
String password=""; <br />
Connection conn= DriverManager.getConnection(url,user,password); </font></p>
<p><font face="Verdana"><span style="color: #008000"><font face="Verdana">3、Sql Server7.0/2000数据库</font></span> <br />
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance(); <br />
String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=mydb"; <br />
//mydb为数据库 <br />
String user="sa"; <br />
String password=""; <br />
Connection conn= DriverManager.getConnection(url,user,password); </font></p>
<p><font face="Verdana"><span style="color: #008000"><font face="Verdana">4、Sybase数据库 </font></span><br />
Class.forName("com.sybase.jdbc.SybDriver").newInstance(); <br />
String url =" jdbc:sybase:Tds:localhost:5007/myDB"; <br />
//myDB为你的数据库名 <br />
Properties sysProps = System.getProperties(); <br />
SysProps.put("user","userid"); <br />
SysProps.put("password","user_password"); <br />
Connection conn= DriverManager.getConnection(url, SysProps); </font></p>
<p><font face="Verdana"><span style="color: #008000"><font face="Verdana">5、Informix数据库 </font></span><br />
Class.forName("com.informix.jdbc.IfxDriver").newInstance(); <br />
String url = <br />
"jdbc:informix-sqli://123.45.67.89:1533/myDB:INFORMIXSERVER=myserver; <br />
user=testuser;password=testpassword"; <br />
//myDB为数据库名 <br />
Connection conn= DriverManager.getConnection(url); </font></p>
<p><font face="Verdana"><span style="color: #008000"><font face="Verdana">6、MySQL数据库 </font></span><br />
Class.forName("org.gjt.mm.mysql.Driver").newInstance(); <br />
String url ="jdbc:mysql://localhost/myDB?user=soft&amp;password=soft1234&amp;useUnicode=true&amp;characterEncoding=8859_1" <br />
//myDB为数据库名 <br />
Connection conn= DriverManager.getConnection(url); </font></p>
<p><font face="Verdana"><span style="color: #008000"><font face="Verdana">7、PostgreSQL数据库 <br />
</font></span>Class.forName("org.postgresql.Driver").newInstance(); <br />
String url ="jdbc:postgresql://localhost/myDB" <br />
//myDB为数据库名 <br />
String user="myuser"; <br />
String password="mypassword"; <br />
Connection conn= DriverManager.getConnection(url,user,password);&nbsp;<br />
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posted @ 2009-02-05 09:30 断点 阅读(74) | 评论 (0)</font></p>
<img src ="http://www.blogjava.net/tfzhu/aggbug/309519.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tfzhu/" target="_blank">断点</a> 2010-01-14 20:47 <a href="http://www.blogjava.net/tfzhu/archive/2010/01/14/309519.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>