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精选文章 >> 未分类的问题 >> 获取各种CGI环境变量

由 webmaster 发布于: 2001-01-21 11:14

<%--
作者:何志强[hhzqq@21cn.com]
日期:2000-09-19
版本:1.1
功能:JSP例程 - 获取各种CGI环境变量
--%>

<%@ page session="false" import="java.util.*" %>

<%
String strEnvs[][] =
    {
      {"CONTENT_LENGTH",String.valueOf(request.getContentLength())},
      {"CONTENT_TYPE",request.getContentType()},
      {"SERVER_PROTOCOL",request.getProtocol()},
      {"SERVER_SOFTWARE",getServletContext().getServerInfo()},
      {"REMOTE_ADDR",request.getRemoteAddr()},
      {"REMOTE_HOST",request.getRemoteHost()},
      {"REMOTE_USER",request.getRemoteUser()},
      {"SERVER_NAME",request.getServerName()},
      {"SERVER_PORT",String.valueOf(request.getServerPort())},
      {"AUTH_TYPE",request.getAuthType()},
      {"REQUEST_METHOD",request.getMethod()},
      {"PATH_INFO",request.getPathInfo()},
      {"PATH_TRANSLATED",request.getPathTranslated()},
      {"QUERY_STRING",request.getQueryString()},
      {"REQUEST_URI",request.getRequestURI()},
      {"SCRIPT_NAME",request.getServletPath()},
      {"DOCUMENT_ROOT",getServletContext().getRealPath("/")}
    };
Enumeration enumNames;
String strName,strValue;
int i;
%>

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>JSP例程 - 获取各种CGI环境变量</title>
</head>
<body>
<table border=1 cellspacing=0 cellpadding=0 align=center>
<tr>
 <th>Name</th>
 <th>Value</th>
</tr>
<%
enumNames = request.getHeaderNames();
while(enumNames.hasMoreElements()){
  strName = (String)enumNames.nextElement();
  strValue = request.getHeader(strName);
%>
<tr>
 <td>&nbsp;<%=strName%></td>
 <td>&nbsp;<%=strValue%></td>
</tr>
<%
}
%>
<tr>
 <th>Name</th>
 <th>Value</th>
</tr>
<%
for(i=0;i<strEnvs.length;i++){
%>
<tr>
 <td>&nbsp;<%=strEnvs[i][0]%></td>
 <td>&nbsp;<%=strEnvs[i][1]%></td>
</tr>
<%
}
%>
</table>
</body>
</html>



资料来源: JSP001.com