servletresponse.html
来自「SUN公司官方J2EE中文帮助文档 应该不错 有兴趣的下来看看 html格式的」· HTML 代码 · 共 537 行 · 第 1/2 页
HTML
537 行
<!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 Thu Jan 17 03:51:38 PST 2002 -->
<TITLE>
Java 2 Platform EE v1.3: Interface ServletResponse
</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 CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD>
<TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD>
</TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
</EM>
</TD>
</TR>
<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
<A HREF="../../javax/servlet/ServletRequest.html"><B>PREV CLASS</B></A>
<A HREF="../../javax/servlet/SingleThreadModel.html"><B>NEXT CLASS</B></A></FONT></TD>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
<A HREF="../../index.html" TARGET="_top"><B>FRAMES</B></A>
<A HREF="ServletResponse.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD>
</TR>
<TR>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
SUMMARY: INNER | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
DETAIL: FIELD | 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</FONT>
<BR>
Interface ServletResponse</H2>
<DL>
<DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../javax/servlet/http/HttpServletResponse.html">HttpServletResponse</A></DD>
</DL>
<DL>
<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../javax/servlet/ServletResponseWrapper.html">ServletResponseWrapper</A></DD>
</DL>
<HR>
<DL>
<DT>public interface <B>ServletResponse</B></DL>
<P>
Defines an object to assist a servlet in sending a response to the client.
The servlet container creates a <code>ServletResponse</code> object and
passes it as an argument to the servlet's <code>service</code> method.
<p>To send binary data in a MIME body response, use
the <A HREF="../../javax/servlet/ServletOutputStream.html"><CODE>ServletOutputStream</CODE></A> returned by <A HREF="../../javax/servlet/ServletResponse.html#getOutputStream()"><CODE>getOutputStream()</CODE></A>.
To send character data, use the <code>PrintWriter</code> object
returned by <A HREF="../../javax/servlet/ServletResponse.html#getWriter()"><CODE>getWriter()</CODE></A>. To mix binary and text data,
for example, to create a multipart response, use a
<code>ServletOutputStream</code> and manage the character sections
manually.
<p>The charset for the MIME body response can be specified with
<A HREF="../../javax/servlet/ServletResponse.html#setContentType(java.lang.String)"><CODE>setContentType(java.lang.String)</CODE></A>. For example, "text/html; charset=Shift_JIS".
The charset can alternately be set using <A HREF="../../javax/servlet/ServletResponse.html#setLocale(java.util.Locale)"><CODE>setLocale(java.util.Locale)</CODE></A>.
If no charset is specified, ISO-8859-1 will be used.
The <code>setContentType</code> or <code>setLocale</code> method
must be called before <code>getWriter</code> for the charset to
affect the construction of the writer.
<p>See the Internet RFCs such as
<a href="http://info.internet.isi.edu/in-notes/rfc/files/rfc2045.txt">
RFC 2045</a> for more information on MIME. Protocols such as SMTP
and HTTP define profiles of MIME, and those standards
are still evolving.
<P>
<DL>
<DT><B>See Also: </B><DD><A HREF="../../javax/servlet/ServletOutputStream.html"><CODE>ServletOutputStream</CODE></A></DL>
<HR>
<P>
<!-- ======== INNER CLASS SUMMARY ======== -->
<!-- =========== FIELD SUMMARY =========== -->
<!-- ======== 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> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/servlet/ServletResponse.html#flushBuffer()">flushBuffer</A></B>()</CODE>
<BR>
Forces any content in the buffer to be written to the client.</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/ServletResponse.html#getBufferSize()">getBufferSize</A></B>()</CODE>
<BR>
Returns the actual buffer size used for the response.</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/ServletResponse.html#getCharacterEncoding()">getCharacterEncoding</A></B>()</CODE>
<BR>
Returns the name of the charset used for
the MIME body sent in this response.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.util.Locale</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/servlet/ServletResponse.html#getLocale()">getLocale</A></B>()</CODE>
<BR>
Returns the locale assigned to the response.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../javax/servlet/ServletOutputStream.html">ServletOutputStream</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/servlet/ServletResponse.html#getOutputStream()">getOutputStream</A></B>()</CODE>
<BR>
Returns a <A HREF="../../javax/servlet/ServletOutputStream.html"><CODE>ServletOutputStream</CODE></A> suitable for writing binary
data in the response.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.io.PrintWriter</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/servlet/ServletResponse.html#getWriter()">getWriter</A></B>()</CODE>
<BR>
Returns a <code>PrintWriter</code> object that
can send character text to the client.</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/ServletResponse.html#isCommitted()">isCommitted</A></B>()</CODE>
<BR>
Returns a boolean indicating if the response has been
committed.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/servlet/ServletResponse.html#reset()">reset</A></B>()</CODE>
<BR>
Clears any data that exists in the buffer as well as the status code and
headers.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/servlet/ServletResponse.html#resetBuffer()">resetBuffer</A></B>()</CODE>
<BR>
Clears the content of the underlying buffer in the response without
clearing headers or status code.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/servlet/ServletResponse.html#setBufferSize(int)">setBufferSize</A></B>(int size)</CODE>
<BR>
Sets the preferred buffer size for the body of the response.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/servlet/ServletResponse.html#setContentLength(int)">setContentLength</A></B>(int len)</CODE>
<BR>
Sets the length of the content body in the response
In HTTP servlets, this method sets the HTTP Content-Length header.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/servlet/ServletResponse.html#setContentType(java.lang.String)">setContentType</A></B>(java.lang.String type)</CODE>
<BR>
Sets the content type of the response being sent to
the client.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/servlet/ServletResponse.html#setLocale(java.util.Locale)">setLocale</A></B>(java.util.Locale loc)</CODE>
<BR>
Sets the locale of the response, setting the headers (including the
Content-Type's charset) as appropriate.</TD>
</TR>
</TABLE>
<P>
<!-- ============ FIELD DETAIL =========== -->
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="getCharacterEncoding()"><!-- --></A><H3>
getCharacterEncoding</H3>
<PRE>
public java.lang.String <B>getCharacterEncoding</B>()</PRE>
<DL>
<DD>Returns the name of the charset used for
the MIME body sent in this response.
<p>If no charset has been assigned, it is implicitly
set to <code>ISO-8859-1</code> (<code>Latin-1</code>).
<p>See RFC 2047 (http://ds.internic.net/rfc/rfc2045.txt)
for more information about character encoding and MIME.<DD><DL>
<DT><B>Returns:</B><DD>a <code>String</code> specifying the
name of the charset, for
example, <code>ISO-8859-1</code></DL>
</DD>
</DL>
⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?