IT博客-码字基地http://www.cnitblog.com/kocy/Eclipse学习基地zh-cnWed, 29 Apr 2026 06:01:17 GMTWed, 29 Apr 2026 06:01:17 GMT60安装Java编程环境http://www.cnitblog.com/kocy/archive/2010/01/27/63679.html天才码字员天才码字员Wed, 27 Jan 2010 15:03:00 GMThttp://www.cnitblog.com/kocy/archive/2010/01/27/63679.html下载地址：http://java.sun.com/javase/downloads/index.jsp

Eclipse IDE for Java EE Developers (189 MB)
下载地址：http://www.eclipse.org/downloads/

名词解释
JDK Java Development Kit
SDK Software Development Kit
IDE Integrated Development Environment
Java EE Java Platform, Enterprise Edition

提问与解答
Q：JRE和JDK的区别？
A：JDK是面向开发人员；JRE是面向程序使用者。（为啥JDK安装两套相同的JRE，还要百度一下）


天才码字员 2010-01-27 23:03 发表评论
]]>（Web Pro 练习）页面跳转http://www.cnitblog.com/kocy/archive/2010/01/11/63686.html天才码字员天才码字员Mon, 11 Jan 2010 15:15:00 GMThttp://www.cnitblog.com/kocy/archive/2010/01/11/63686.html要求通过后台处理，从一个页面跳转到另一个页面。

目的：
学会如何部署动态web pro。

解答：
文件目录结构：


index.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
        <title>index</title>
    </head>
    <body>
        <form action="welcome.do">
            <input type="submit" value="submit">
        </form>
    </body>
</html>

web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
    <display-name>MyFirstWebPro</display-name>
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
    
    <servlet>
        <servlet-name>welcome</servlet-name>
        <servlet-class>DoWelcome</servlet-class>
    </servlet>
    
    <servlet-mapping>
        <servlet-name>welcome</servlet-name>
        <url-pattern>/welcome.do</url-pattern>
    </servlet-mapping>
</web-app>

DoWelcome.java
import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 控制页面跳转的Servlet。
 * 
 * @author kocy
 * 20100111
 */
public class DoWelcome extends HttpServlet {

    /**
     * 跳转到welcome.jsp
     */
    protected void service(HttpServletRequest requset, HttpServletResponse response)
        throws ServletException, IOException {
        
        response.sendRedirect("/MyFirstWebPro/welcome.jsp");        
    }
}

welcome.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
        <title>welcome</title>
    </head>
    <body>
    Welcome!
    </body>
</html>


server.xml

.
 <Context docBase="MyFirstWebPro" path="/MyFirstWebPro" reloadable="true" source="org.eclipse.jst.j2ee.server:MyFirstWebPro"/>
.

运行结果：


天才码字员 2010-01-11 23:15 发表评论
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