﻿<?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-ChenGen-随笔分类-servlet and JSP 学习</title><link>http://www.blogjava.net/ChenGen/category/16748.html</link><description>无宁静无以致远 非淡薄无以明志</description><language>zh-cn</language><lastBuildDate>Wed, 28 Feb 2007 01:48:26 GMT</lastBuildDate><pubDate>Wed, 28 Feb 2007 01:48:26 GMT</pubDate><ttl>60</ttl><item><title>servlet中连接数据库的一个疑问</title><link>http://www.blogjava.net/ChenGen/archive/2006/10/31/78235.html</link><dc:creator>ChenGen</dc:creator><author>ChenGen</author><pubDate>Tue, 31 Oct 2006 03:16:00 GMT</pubDate><guid>http://www.blogjava.net/ChenGen/archive/2006/10/31/78235.html</guid><wfw:comment>http://www.blogjava.net/ChenGen/comments/78235.html</wfw:comment><comments>http://www.blogjava.net/ChenGen/archive/2006/10/31/78235.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/ChenGen/comments/commentRss/78235.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/ChenGen/services/trackbacks/78235.html</trackback:ping><description><![CDATA[今天用servlet写了一个用户登录的验证程序,在验证程序中需要查询数据库判断密码是否正确.我像写JAVA应用程序一样用下面的语句来注册数据库驱动程序: <br /><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 src="http://www.blogjava.net/images/OutliningIndicators/None.gif" align="top" /><span style="COLOR: #000000">System.setProperty(</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">jdbc.drivers</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">,</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">com.mysql.jdbc.Driver</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">);</span></div><br />但是在运行的时候,却总是说找不到合适的数据库驱动程序.然后我换了另外一种方式来注册数据库驱动程序: <br /><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 src="http://www.blogjava.net/images/OutliningIndicators/None.gif" align="top" /><span style="COLOR: #000000">Class.forName(</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">com.mysql.jdbc.Driver</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">);</span></div><br />结果却可以正常连接数据库.为什么呢?<br /><img src ="http://www.blogjava.net/ChenGen/aggbug/78235.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/ChenGen/" target="_blank">ChenGen</a> 2006-10-31 11:16 <a href="http://www.blogjava.net/ChenGen/archive/2006/10/31/78235.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>