BlogJava-joessy-文章分类-jsphttp://www.blogjava.net/joessy/category/404.html记录工作中遇到的问题及解决办法zh-cnThu, 01 Mar 2007 20:53:48 GMTThu, 01 Mar 2007 20:53:48 GMT60获取JSP中所有参数[转]http://www.blogjava.net/joessy/articles/1397.html工作日志工作日志Mon, 21 Feb 2005 08:54:00 GMThttp://www.blogjava.net/joessy/articles/1397.htmlhttp://www.blogjava.net/joessy/comments/1397.htmlhttp://www.blogjava.net/joessy/articles/1397.html#Feedback0http://www.blogjava.net/joessy/comments/commentRss/1397.htmlhttp://www.blogjava.net/joessy/services/trackbacks/1397.html
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/. 
* &copy; 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); 
} 
} 


工作日志 2005-02-21 16:54 发表评论
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