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1.request¶ÔÏó
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1 object getAttribute(String name) ·µ»ØÖ¸¶¨ÊôÐÔµÄÊôÐÔÖµ
2 Enumeration getAttributeNames() ·µ»ØËùÓпÉÓÃÊôÐÔÃûµÄö¾Ù
3 String getCharacterEncoding() ·µ»Ø×Ö·û±àÂ뷽ʽ
4 int getContentLength() ·µ»ØÇëÇóÌåµÄ³¤¶È£¨ÒÔ×Ö½ÚÊý£©
5 String getContentType() µÃµ½ÇëÇóÌåµÄMIMEÀàÐÍ
6 ServletInputStream getInputStream() µÃµ½ÇëÇóÌåÖÐÒ»ÐеĶþ½øÖÆÁ÷
7 String getParameter(String name) ·µ»ØnameÖ¸¶¨²ÎÊýµÄ²ÎÊýÖµ
8 Enumeration getParameterNames() ·µ»Ø¿ÉÓòÎÊýÃûµÄö¾Ù
9 String[] getParameterValues(String name) ·µ»Ø°üº¬²ÎÊýnameµÄËùÓÐÖµµÄÊý×é
10 String getProtocol() ·µ»ØÇëÇóÓõÄÐÒéÀàÐͼ°°æ±¾ºÅ
11 String getScheme() ·µ»ØÇëÇóÓõļƻ®Ãû,Èç:http.https¼°ftpµÈ
12 String getServerName() ·µ»Ø½ÓÊÜÇëÇóµÄ·þÎñÆ÷Ö÷»úÃû
13 int getServerPort() ·µ»Ø·þÎñÆ÷½ÓÊÜ´ËÇëÇóËùÓõĶ˿ںÅ
14 BufferedReader getReader() ·µ»Ø½âÂë¹ýÁ˵ÄÇëÇóÌå
15 String getRemoteAddr() ·µ»Ø·¢ËÍ´ËÇëÇóµÄ¿Í»§¶ËIPµØÖ·
16 String getRemoteHost() ·µ»Ø·¢ËÍ´ËÇëÇóµÄ¿Í»§¶ËÖ÷»úÃû
17 void setAttribute(String key,Object obj) ÉèÖÃÊôÐÔµÄÊôÐÔÖµ
18 String getRealPath(String path) ·µ»ØÒ»ÐéÄâ·¾¶µÄÕæʵ·¾¶
2.response¶ÔÏó
response¶ÔÏó°üº¬ÁËÏìÓ¦¿Í»§ÇëÇóµÄÓйØÐÅÏ¢£¬µ«ÔÚJSPÖкÜÉÙÖ±½ÓÓõ½Ëü¡£ËüÊÇHttpServletResponseÀàµÄʵÀý¡£
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1 String getCharacterEncoding() ·µ»ØÏìÓ¦ÓõÄÊǺÎÖÖ×Ö·û±àÂë
2 ServletOutputStream getOutputStream() ·µ»ØÏìÓ¦µÄÒ»¸ö¶þ½øÖÆÊä³öÁ÷
3 PrintWriter getWriter() ·µ»Ø¿ÉÒÔÏò¿Í»§¶ËÊä³ö×Ö·ûµÄÒ»¸ö¶ÔÏó
4 void setContentLength(int len) ÉèÖÃÏìӦͷ³¤¶È
5 void setContentType(String type) ÉèÖÃÏìÓ¦µÄMIMEÀàÐÍ
6 sendRedirect(java.lang.String location) ÖØж¨Ïò¿Í»§¶ËµÄÇëÇó
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3.session¶ÔÏó
session¶ÔÏóÖ¸µÄÊÇ¿Í»§¶ËÓë·þÎñÆ÷µÄÒ»´Î»á»°£
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Java´úÂ룺
package com.zhaipuhong.common.util;
import java.util.ArrayList;
import org.apache.log4j.Logger;
import javax.servlet.http.HttpServletRequest;
public class PageBean { & ......
´ËʵÏÖ¹²·ÖÈý¸öÎļþ£¬¼´£ºCreatImage.java Éú³ÉͼÏñÁ÷µÄÀ࣬ÌṩÓÃÓÚÉú³ÉͼƬÁ÷µÄ·½·¨£»images.jsp ͼƬ°ü×°£¬ÓÃÓÚ½«Í¼Æ¬¼ÓÈëµ½responseÊä³öÁ÷ÖУ»login.jsp µ÷ÓÃÇ°ÃæµÄjsp£¬ÏÔʾÑéÖ¤Âë¡£
CreatImage.java Àࣺ
3 import java.awt.Color;
4 import java.awt.Font;
5 import java.awt.Graphics;
6 im ......
×¢Ò⣺jsp:useBean¶¯×÷£¬ÓÃ±íµ¥ÎªBeanµÄÊôÐÔ¸³ÖµÊ±£¬Ò²¾ÍÊÇjsp:setProperty¶¯×÷Ö±½ÓÊÕÇëÇóÖÐ±íµ¥µÄÐÅϢΪʹÓõÄBeanµÄÊôÐÔ½øÐи³Öµ£¬Ò²¾ÍÊÇ˵jsp:useBeanºÍjsp:setProperty²»Äܹ»³öÏÖÔÚΪÕâ¸öBeanµÄÊôÐÔ¸³ÖµµÄform±íµ¥µÄÒ³ÃæÉÏ¡£
JSPµÄÒì³£´¦Àí
<%@page errorPage="xxx.jsp"%> Ö¸¶¨±¾Ò³Ãæ³öÏÖÒì³£ºóҪתµ½µÄÒ³Ãæ
& ......
<£¥@ page contentType="text/html; charset=gb2312" £¥>
<£¥@ page language="java"£¥>
<£¥@ page info="database handler"£¥>
<£¥@ page import="java.io.*"£¥>
<£¥@ page import="java.lang.*"£¥>
<£¥@ page import="java.util.*"£¥>
<£¥@ page import="java.sql.*"£¥> ......
Action´úÂë
package com.zxc.action;import java.net.URLEncoder;public class XiaoZAction {
private String username; public String getUsername() { return username; }
public String execute() throws Exception{
username = URLEncoder.encode("ÖÜС´¨", "utf-8"); return "success"; }}
struts.x ......