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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Mon Sep 29 15:11:55 PDT 2003 --><TITLE>: Interface HttpServletRequest</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT ID="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT ID="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT 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FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | <A HREF="#field_summary">FIELD</A> | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.servlet.http</FONT><BR>Interface HttpServletRequest</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../javax/servlet/http/HttpServletRequestWrapper.html">HttpServletRequestWrapper</A></DD></DL><HR><DL><DT>public interface <B>HttpServletRequest</B><DT>extends <A HREF="../../../javax/servlet/ServletRequest.html">ServletRequest</A></DL><P>Extends the <A HREF="../../../javax/servlet/ServletRequest.html"><CODE>ServletRequest</CODE></A> interface to provide request information for HTTP servlets. <p>The servlet container creates an <code>HttpServletRequest</code> object and passes it as an argument to the servlet's service methods (<code>doGet</code>, <code>doPost</code>, etc).<P><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#BASIC_AUTH">BASIC_AUTH</A></B></CODE><BR> String identifier for Basic authentication.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#CLIENT_CERT_AUTH">CLIENT_CERT_AUTH</A></B></CODE><BR> String identifier for Client Certificate authentication.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#DIGEST_AUTH">DIGEST_AUTH</A></B></CODE><BR> String identifier for Digest authentication.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#FORM_AUTH">FORM_AUTH</A></B></CODE><BR> String identifier for Form authentication.</TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getAuthType()">getAuthType</A></B>()</CODE><BR> Returns the name of the authentication scheme used to protect the servlet.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getContextPath()">getContextPath</A></B>()</CODE><BR> Returns the portion of the request URI that indicates the context of the request.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/servlet/http/Cookie.html">Cookie</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getCookies()">getCookies</A></B>()</CODE><BR> Returns an array containing all of the <code>Cookie</code> objects the client sent with this request.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> long</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getDateHeader(java.lang.String)">getDateHeader</A></B>(java.lang.String name)</CODE><BR> Returns the value of the specified request header as a <code>long</code> value that represents a <code>Date</code> object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getHeader(java.lang.String)">getHeader</A></B>(java.lang.String name)</CODE><BR> Returns the value of the specified request header as a <code>String</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.Enumeration</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getHeaderNames()">getHeaderNames</A></B>()</CODE><BR> Returns an enumeration of all the header names this request contains.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.Enumeration</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getHeaders(java.lang.String)">getHeaders</A></B>(java.lang.String name)</CODE><BR> Returns all the values of the specified request header as an <code>Enumeration</code> of <code>String</code> objects.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getIntHeader(java.lang.String)">getIntHeader</A></B>(java.lang.String name)</CODE><BR> Returns the value of the specified request header as an <code>int</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getMethod()">getMethod</A></B>()</CODE><BR> Returns the name of the HTTP method with which this request was made, for example, GET, POST, or PUT.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getPathInfo()">getPathInfo</A></B>()</CODE><BR> Returns any extra path information associated with the URL the client sent when it made this request.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getPathTranslated()">getPathTranslated</A></B>()</CODE><BR> Returns any extra path information after the servlet name but before the query string, and translates it to a real path.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getQueryString()">getQueryString</A></B>()</CODE><BR> Returns the query string that is contained in the request URL after the path.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getRemoteUser()">getRemoteUser</A></B>()</CODE><BR> Returns the login of the user making this request, if the user has been authenticated, or <code>null</code> if the user has not been authenticated.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getRequestedSessionId()">getRequestedSessionId</A></B>()</CODE><BR> Returns the session ID specified by the client.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getRequestURI()">getRequestURI</A></B>()</CODE><BR> Returns the part of this request's URL from the protocol name up to the query string in the first line of the HTTP request.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.StringBuffer</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getRequestURL()">getRequestURL</A></B>()</CODE><BR> Reconstructs the URL the client used to make the request.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getServletPath()">getServletPath</A></B>()</CODE><BR> Returns the part of this request's URL that calls the servlet.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/servlet/http/HttpSession.html">HttpSession</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getSession()">getSession</A></B>()</CODE><BR> Returns the current session associated with this request, or if the request does not have a session, creates one.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/servlet/http/HttpSession.html">HttpSession</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getSession(boolean)">getSession</A></B>(boolean create)</CODE><BR> Returns the current <code>HttpSession</code> associated with this request or, if there is no current session and <code>create</code> is true, returns a new session.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.security.Principal</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getUserPrincipal()">getUserPrincipal</A></B>()</CODE><BR> Returns a <code>java.security.Principal</code> object containing the name of the current authenticated user.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#isRequestedSessionIdFromCookie()">isRequestedSessionIdFromCookie</A></B>()</CODE><BR> Checks whether the requested session ID came in as a cookie.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#isRequestedSessionIdFromUrl()">isRequestedSessionIdFromUrl</A></B>()</CODE><BR> <B>Deprecated.</B> <I>As of Version 2.1 of the Java Servlet API, use <A HREF="../../../javax/servlet/http/HttpServletRequest.html#isRequestedSessionIdFromURL()"><CODE>isRequestedSessionIdFromURL()</CODE></A> instead.</I></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#isRequestedSessionIdFromURL()">isRequestedSessionIdFromURL</A></B>()</CODE><BR> Checks whether the requested session ID came in as part of the request URL.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#isRequestedSessionIdValid()">isRequestedSessionIdValid</A></B>()</CODE><BR> Checks whether the requested session ID is still valid.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpServletRequest.html#isUserInRole(java.lang.String)">isUserInRole</A></B>(java.lang.String role)</CODE><BR> Returns a boolean indicating whether the authenticated user is included in the specified logical "role".</TD></TR></TABLE> <A NAME="methods_inherited_from_class_javax.servlet.ServletRequest"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">?? 快捷鍵說明
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