JSPÖÐÀûÓÃÊý¾ÝÔ´¶ÔÏó½¨Á¢Êý¾Ý¿âÁ¬½Ó
ÅäÖóÌÐòµÄÔËÐÐĿ¼ÓëJDBCÊý¾ÝÔ´:
<Context path="/test" docBase="F:\JSPLesson\test" reloadable="true">
<Resource name="jdbc/bookstore" auth="Container" type="javax.sql.DataSource"
maxActive="100" maxIdle="30" maxWait="10000"
username="root" password="123456"
driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost:3306/bookstore?autoReconnect=true"/>
</Context>
JSPÖÐͨ¹ýÈçÏ·½Ê½µÃµ½Êý¾Ý¿âÁ¬½Ó:
<%
Context ctx = new InitialContext();
DataSource ds = (DataSource)ctx.lookup("java:comp/env/jdbc/bookstore");
Connection conn = ds.getConnection();
%>
Ïà¹ØÎĵµ£º
[list=1]
ÎÒÃÇÔÚ×öÑéÖ¤ÂëµÄʱºòÍùÍùÓÉÓÚÒª·´×÷±×£¬ÑéÖ¤ÓÐʱ¹ÊÒâ¼ÓÈë¶àµÄ¸ÉÈÅÒòËØ£¬ÕâʱÑéÖ¤ÂëÏÔʾ²»ºÜÇå³þ£¬Óû§¾³£ÊäÈë´íÎó¡£ÕâÑù²»µ«ÒªÖØÐÂË¢ÐÂÒ³Ãæ£¬µ¼ÖÂÓû§Ã»Óп´Çå³þÑéÖ¤Âë¶øÖØÌî¶ø²»ÊÇÐ޸쬶øÇÒÈç¹ûûÓÐÓÃsession±£´æÏÂÓû§ÊäÈëµÄÆäËüÊý¾ÝµÄ»°(ÈçÐÕÃû)£¬Óû§¸Õ¸ÕÊäÈëµÄÄÚÈÝÒ²²»´æÔÚÁË£¬ÕâÑù¸øÓû§Ôì³É²»ºÃµÄÌåÑé ......
½â¾öjsp»òserverlet ²»ÄܽâÎömultipart/form-data ÀàÐÍµÄ±íµ¥ÓòµÄÎÊÌâ
10 6ÔÂ 2008
Situation:
Javax.servlet.HttpServletRequest.getParameter(String) returns null when the ContentType is multipart/form-data
Solutions:
Solution A:
1. download http://www.servlets.com/cos/index.html
2. invoke getPara ......
Web.xml³£ÓÃÔªËØ
<web-app>
<display-name></display-name>¶¨ÒåÁËWEBÓ¦ÓõÄÃû×Ö
<description></description> ÉùÃ÷WEBÓ¦ÓõÄÃèÊöÐÅÏ¢
<context-param></context-param> context-paramÔªËØÉùÃ÷Ó¦Ó÷¶Î§Äڵijõʼ»¯²ÎÊý¡£
<filter></filter> ¹ýÂËÆ÷ÔªËØ½«Ò»¸ ......
jspÂÒÂëÎÊÌâ½â¾ö
1¡¢Ò»°ãµÄjspÒ³ÃæÏÔʾÂÒÂë
<%@ page contentType="text/html; charset=UTF-8"%>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
2¡¢±íµ¥Ìá½»ÖÐÎÄʱ³öÏÖÂÒÂë
Èç¹ûjspÌá½»Ó¢ÎÄ×Ö·ûÄÜÕýÈ·ÏÔʾ£¬¶øÌá½»ÖÐÎÄʱ¾Í»á³öÏÖÂÒÂë¡£
ÔÒò£ºä ......
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<%@ page contentType="text/html; charset=gb2312" language="java"
import="java.sql.*"%>
<%
/*********************
&nb ......