Servlet API
http://java.sun.com/products/servlet/2.5/docs/servlet-2_5-mr2/index.html
http://tomcat.apache.org/tomcat-5.5-doc/servletapi/index.html
http://jakarta.apache.org/taglibs/index.html
http://archive.apache.org/dist/jakarta/taglibs/standard/
http://archive.apache.org/dist/jakarta/taglibs/standard/binaries/
http://archive.apache.org/dist/jakarta/taglibs/standard/source/
servlet2.5/jsp2.1的新特征
http://www.blogjava.net/simie/archive/2007/07/02/127500.html
http://poko.5d6d.com/thread-867-1-1.html
http://ajava.org/video/index.html
【韩顺平】【j2ee视频实战教程】【全】
ftp ://125.64.92.37/book7/2007082 ... cb-6a73d4a6697a.rar
韩顺平j2ee视频实战教程servlet第1讲初识
ftp://125.64.92.37/book7/2007082 ... 02-e846667b255e.rar
韩顺平j2ee视频实战教程servlet第2讲(上集)
ftp://125.64.92.37/book7/2007082 ... 16-e16774fba643.rar
韩顺平j2ee视频实战教程servlet第2讲(下集)
ftp://125.64.92.37/book7/2007082 ... af-5bd936a37fc8.rar
韩顺平j2ee视频实战教程servlet第3讲(上集)
http://download1.gbaopan.com/6c3 ... ?supplierID=2841214
韩顺平j2ee视频实战教程servlet第3讲(中集)
http://download2.gbaopan.com/9aa ... ?supplierID=2841214
韩顺平j2ee视频实战教程servlet第3讲(下集)
http://download2.gbaopan.com/7ac ... ?supplierID=2841214
韩顺平j2ee视频实战教程servlet第4讲
ftp://125.64.92.37/book7/2007082 ... a5-79b02278a5d2.rar
韩顺平j2ee视频实战教程servlet第5讲(上集)
http://download2.gbaopan.com/8af ... ?supplierID=2841214
韩顺平j2ee视频实战教程servlet第5讲(下集)
http://download2.gbaopan.com/08c ... ?supplierID=2841214
韩顺平j2ee视频实战教程servlet第6讲(上集)
ftp://222.214.218.61/video5/2008 ... 75-da10a631b4fa.rar
韩顺平j2ee视频实战教程servlet第6讲(下集)
ftp://222.214.218.61/video5/2008 ... 4b-da23edaf2321.rar
韩顺平j2ee视频实战教程servlet第7讲(上集)
ftp://222.214.218.61/video5/2008 ... f9-30b7e18c16fc.rar
韩顺平j2ee视频实战教程servlet第7讲(下集)
ftp://222.214.218.61/video5/2008 ... f0-c99afd00e690.rar
韩顺平j2ee视频实战教程servlet第8讲
ftp://222.214.218.61/video5/2008 ... 64-726724762f57.rar
page 打开页面即产生
关闭当前页面即失效
request
跳转即产生
关闭页面即失效
一般页面请求到哪,随带的参数跟到哪
session
默认作用域时间=30小时
关闭浏览器即失效
只要放一次即保存在服务器里
//cookie session可以看作是对cookie的简单封装
保存在客户端
servletContext
关闭服务器及失效
doGet 明文传送
doPost 密文传送
java web验证码生成总结(包括servlet、jsp和struts2实现)
http://blog.csdn.net/wirror800/archive/2009/02/16/3897115.aspx
一、使用纯Servlet实现验证码
二、使用纯jsp实现验证码
三、使用Struts2来实现验证码
四、小结
对于java的web技术，归根究底还是在服务器端执行的servlet.从上面的三种不同实现中，我们很容易察觉到他们存在一个共同点，那就是返回浏览器端的contentType。
servlet:使用response.setContentType(" ");方法来实现
jsp:在<@ page contentType=" ">中来实现
struts2:通过配置<param name="contentType"> </param>来实现
数字验证码小图生成程序, 支持背景图和文字旋转.
http://yangyi.iteye.com/blog/38749
《Struts2 权威指南》p178
<%@ page language="java" import="java.util.*" pageEncoding="utf-8" contentType="text/html; charset=utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<%--enctype="application/x-www-form-urlencoded" --%>
<form action="POST.jsp" name="form1" method="post"
enctype="multipart/form-data">
上传文件：
<input type="file" name="file" />
<br>
请求参数：
<input type="text" name="parameter" />
<br>
提交按钮：
<input name="submit" type="submit" value="确认提交">
</form>
</body>
</html>
asdfadsfdsaf
<%@ page language="java" pageEncoding="utf-8"
contentType="text/html; charset=utf-8"%>
<%@ page import="java.io.*"%>
<%@ page import="java.util.*"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'POST.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<br>
<%
//设置HttpServletRequest使用GBK的编码方式 ,默认会是二进制传输方式 如"%E6%8F%90%E4%BA%A4",不易看懂
//request.setCharacterEncoding("UTF-8");
//直接在页面上输出两个请求参数值
//out.println("parameter 请求的值为:" + request.getParameter("parameter")
// + "<br>");
//out.println("file 请求的参数为:" + request.getParameter("file")
// + "<br>");
%>
<%
//获取http请求的输入流
InputStream is = request.getInputStream();
//以http请求输入流建立一个BufferRader对象
BufferedReader br = new BufferedReader(new InputStreamReader(is));
//读取http请求内容
String buffer = null;
while ((buffer = br.readLine()) != null) {
out.println(buffer + "<br>");
}
%>
</body>
</html>
Servlet
E:\zhouwork\lindows>tree /f
E:.
│ .project
│ .mymetadata
│ .classpath
│
├─src
│ └─com
│ └─javaeye
│ └─lindows
│ ├─net
│ │ TestCode.java
│ │ URL.java
│ │
│ ├─test
│ │ Test.java
│ │
│ └─servlet
│ Hello.java
│
├─WebRoot
│ │ index.jsp
│ │
│ ├─WEB-INF
│ │ │ web.xml
│ │ │
│ │ ├─lib
│ │ │ servlet-api.jar
│ │ │
│ │ └─classes
│ │ └─com
│ │ └─javaeye
│ │ └─lindows
│ │ ├─test
│ │ │ Test.class
│ │ │
│ │ ├─servlet
│ │ │ Hello.class
│ │ │
│ │ └─net
│ │ URL.class
│ │ TestCode.class
│ │
│ └─META-INF
│ MANIFEST.MF
│
└─.myeclipse
Hello.java
package com.javaeye.lindows.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.Servlet;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class Hello implements Servlet {
public ServletConfig getServletConfig() {
return null;
}
public String getServletInfo() {
return null;
}
// tomcat容器初始化创建实例只一次与内存中,不用手工new,类似于构造函数
public void init(ServletConfig arg0) throws ServletException {
System.out.println("init it ... ");
}
// 页面多次刷新请求后,tomcat容器控制台将打印该句多次
public void service(ServletRequest req, ServletResponse resp)
throws ServletException, IOException {
PrintWriter pw = resp.getWriter();
pw.println("Hello World ! i'm lindows ...");
System.out.println("server it ... ");
}
// 实例销毁只一次，释放内存. //webApp重新部署后(reload)或关闭tomcat或关机即销毁实例
public void destroy() {
System.out.println("destroy it ... ");
}
}
web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <servlet> <servlet-name>hello1</servlet-name> <servlet-class>com.javaeye.lindows.servlet.Hello</servlet-class> </servlet> <servlet-mapping> <servlet-name>hello1</servlet-name> <url-pattern>/hehe</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>
end