当前位置: 首页 > 图文教程 > 网络编程 > JSP > 获取jsp各种参数

JSP
关于seeion的文章
jsp与javaBeans的结合使用
使用JavaBean,一句代码完成对文本文件读取和写入!!!
利用HttpSessionListener实现网站在线人数统计功能
第一章:taglib 原理和实现
用web_xml控制Web应用的行为(上)待徐
Taglib 原理和实现:第三章 tag之间的嵌套和属性读取
Taglib 原理和实现:第四章 循环的Tag
学习笔记:ServletContext接口
checkbox的使用
DelphiBBS的JSP实现(未经授权).
可以自动跳转到出错页面的servlet/jsp框架
学用Java Web Start 部署应用程序
Web页面数据批量录入----使用上传组件与JXL工具包联合实现
使用jsp实现word、excel格式报表打印
JSP页面查询显示常用模式
使用XML封装数据库操作语句的实现(完全版)--发布源码
深入浅出taglib
用Java实现Web服务器
如何利用xml,javascript绕开applet的安全问题

JSP 中的 获取jsp各种参数


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-13   浏览: 52 ::
收藏到网摘: n/a

package coreservlets;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
/** Creates a table showing the current value of each
* of the standard CGI variables.
* <P>
* Taken from Core Servlets and JavaServer Pages
* from Prentice Hall and Sun Microsystems Press,
* http://www.coreservlets.com/.
* © 2000 Marty Hall; may be freely used or adapted.
*/
public class ShowCGIVariables extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String[][] variables =
{ { "AUTH_TYPE", request.getAuthType() },
{ "CONTENT_LENGTH",
String.valueOf(request.getContentLength()) },
{ "CONTENT_TYPE", request.getContentType() },
{ "DOCUMENT_ROOT",
getServletContext().getRealPath("/") },
{ "PATH_INFO", request.getPathInfo() },
{ "PATH_TRANSLATED", request.getPathTranslated() },
{ "QUERY_STRING", request.getQueryString() },
{ "REMOTE_ADDR", request.getRemoteAddr() },
{ "REMOTE_HOST", request.getRemoteHost() },
{ "REMOTE_USER", request.getRemoteUser() },
{ "REQUEST_METHOD", request.getMethod() },
{ "SCRIPT_NAME", request.getServletPath() },
{ "SERVER_NAME", request.getServerName() },
{ "SERVER_PORT",
String.valueOf(request.getServerPort()) },
{ "SERVER_PROTOCOL", request.getProtocol() },
{ "SERVER_SOFTWARE",
getServletContext().getServerInfo() }
};
String title = "Servlet Example: Showing CGI Variables";
out.println(ServletUtilities.headWithTitle(title) +
"<BODY BGCOLOR=\"#FDF5E6\">\n" +
"<H1 ALIGN=\"CENTER\">" + title + "</H1>\n" +
"<TABLE BORDER=1 ALIGN=\"CENTER\">\n" +
"<TR BGCOLOR=\"#FFAD00\">\n" +
"<TH>CGI Variable Name<TH>Value");
for(int i=0; i<variables.length; i++) {
String varName = variables[i][0];
String varValue = variables[i][1];
if (varValue == null)
varValue = "<I>Not specified</I>";
out.println("<TR><TD>" + varName + "<TD>" + varValue);
}
out.println("</TABLE></BODY></HTML>");
}
/** POST and GET requests handled identically. */
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}