5ÔÂ19ÈÕ JSP»ù´¡
1.essionÄڵĴæ·ÅµÄÊǶÔÏóµÄÒýÓÃ,ËùÒÔÐÞ¸ÄÄÚÖöÔÏóºó,²»ÐèÒªÖØÐ·ÅÖõ½sessionÖÐ
2.ÅäÖÃContext³õʼ»¯²ÎÊý
<Context-param>
<param-name></paran-name>
<param-value></param-value>
<Context-param>
this.getServletContext().getInitParameter(arg0);
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3.ÅäÖÃservlet³õʼ»¯²ÎÊý
<init-param>
<param-name></param-name>
<param-value></param-value>
</inti-param>
ServletConfig config=this.getServletConfig();
config.getParameter("");
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4ÅäÖÃÎļþ properties
¸ñʽ: key=value ÆäÖÐkey²»±ä valueÊDZ仯µÄ
ÀýÈç: #ÆäÖÐ"#"ΪעÊÍ
Îļþ db.properties
username=ÇØÑæÅà
password=peiaihua
×îºÃ·ÅÖõ½/WEB-INF/db.properties
¶ÁÈ¡ÊôÐÔÎļþµÄÐÅÏ¢:
/ÔÚwebÓ¦ÓÃÖÐ,getServletContext().getRealPath±íʾµÄ
ÊÇweb¹¤³ÌµÄ¸ù·¾¶,
Èç:"C:\Program Files\apache-tomcat-6.0.18\webapps\TestURL"
String path=this.getServletContext().getRealPath("");
FileImputSream fi=new FileInputStream(path);
Properties pro=new Properties();
pro.load(fi);
pro.getProperty("key");
String realPath=this.getServletContext().getResourceAsStream("/WEB-INF/db.properties")
±íʾµÄÒ²ÊÇ´Ó¸ù·¾¶¿ªÊ¼¼ÓÔØÎļþ:
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<!-- ¸Ã±êÇ©±íʾ·þÎñÆ÷Æô¶¯Ê±,×Ô¶¯´´½¨servlet¶ÔÏó,¶øÇÒÊý×ÖÔ½ÏÈÓÅÏȼ¶Ô½¸ß-->
<Load-on-startup>0,1,2,3,....</Load-on-srartup>
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servletͨÐÅ(communicate):
·¾¶ÉèÖÃ:
&n
Ïà¹ØÎĵµ£º
1. jspÒ³ÃæÏÔʾÖÐÎÄÂÒÂ룺
jspÒ³ÃæµÄ±àÂ뷽ʽÓÐÁ½¸öµØ·½ÐèÒªÉèÖãº
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ page contentType="text/html;charset=utf-8"%>
ÆäÖУºpageEncoding Ö¸µÄÊÇjspÎļþ±¾É ......
ÔÚactionÀïʹÓÃfileuploadʱ£¬´ÓreqeustµÃµ½µÄÖÐÎÄÊý¾ÝΪÂÒÂ룬³¢ÊÔʹÓÃÁË
Java´úÂë
1. DiskFileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
upload.setHeaderEnco ......
<%@page import="com.opensymphony.xwork2.util.ValueStack"%><%
ValueStack vs = (ValueStack)request.getAttribute("struts.valueStack");
String aa = (String)vs.findValue("downloadContent");
response. ......
ÖÕÓڸ㶨JSPÁ¬½ÓSQL Server 2000Êý¾Ý¿âµÄÎÊÌâÁË
2008Äê01ÔÂ29ÈÕ ÐÇÆÚ¶þ 15:54
ǰ¼¸Ì죬ƽƽͬѧһֱÔÚ¸ãJSP Á¬½ÓSQL Server 2000Êý¾Ý¿âµÄÎÊÌ⣬һֱÁ¬²»ÉÏ£¬È»ºó½ÐÎÒÈ¥°ïËû¿´¿´£¬Æ¾×ÅÒÔǰµÄ¾Ñ飬¸ãÁËÒ»¸öÏÂÎ磬ºÙºÙ£¡ÖÕÓÚ°ïËûÁ¬½ÓÉÏÁË£¬Ö÷Òª²½ÖèÈçÏ£º
1¡¢ÐèÒªµÄ¶«Î÷´ó¼Ò¿ÉÒÔµ½Î ......
<?xml version="1.0" encoding="UTF-8"?>
<%@ page contentType="text/html; charset=UTF-8" language="java" import="java.sql.*" errorPage="" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+pat ......