jspwriter.html

j2ee的API 1.4版本,j2ee的帮助文档

<DT><B>Parameters:</B><DD><CODE>x</CODE> - the long to write
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If an error occured while writing</DL>
</DD>
</DL>
<HR>

<A NAME="println(float)"><!-- --></A><H3>
println</H3>
<PRE>
public abstract void <B>println</B>(float&nbsp;x)
                      throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Print a floating-point number and then terminate the line.  This method
 behaves as though it invokes <code><A HREF="../../../javax/servlet/jsp/JspWriter.html#print(float)"><CODE>print(float)</CODE></A></code> and then
 <code><A HREF="../../../javax/servlet/jsp/JspWriter.html#println()"><CODE>println()</CODE></A></code>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the float to write
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If an error occured while writing</DL>
</DD>
</DL>
<HR>

<A NAME="println(double)"><!-- --></A><H3>
println</H3>
<PRE>
public abstract void <B>println</B>(double&nbsp;x)
                      throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Print a double-precision floating-point number and then terminate the
 line.  This method behaves as though it invokes <code><A HREF="../../../javax/servlet/jsp/JspWriter.html#print(double)"><CODE>print(double)</CODE></A></code> and then <code><A HREF="../../../javax/servlet/jsp/JspWriter.html#println()"><CODE>println()</CODE></A></code>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the double to write
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If an error occured while writing</DL>
</DD>
</DL>
<HR>

<A NAME="println(char[])"><!-- --></A><H3>
println</H3>
<PRE>
public abstract void <B>println</B>(char[]&nbsp;x)
                      throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Print an array of characters and then terminate the line.  This method
 behaves as though it invokes <code>print(char[])</code> and then
 <code>println()</code>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the char[] to write
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If an error occured while writing</DL>
</DD>
</DL>
<HR>

<A NAME="println(java.lang.String)"><!-- --></A><H3>
println</H3>
<PRE>
public abstract void <B>println</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;x)
                      throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Print a String and then terminate the line.  This method behaves as
 though it invokes <code><A HREF="../../../javax/servlet/jsp/JspWriter.html#print(java.lang.String)"><CODE>print(String)</CODE></A></code> and then
 <code><A HREF="../../../javax/servlet/jsp/JspWriter.html#println()"><CODE>println()</CODE></A></code>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the String to write
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If an error occured while writing</DL>
</DD>
</DL>
<HR>

<A NAME="println(java.lang.Object)"><!-- --></A><H3>
println</H3>
<PRE>
public abstract void <B>println</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;x)
                      throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Print an Object and then terminate the line.  This method behaves as
 though it invokes <code><A HREF="../../../javax/servlet/jsp/JspWriter.html#print(java.lang.Object)"><CODE>print(Object)</CODE></A></code> and then
 <code><A HREF="../../../javax/servlet/jsp/JspWriter.html#println()"><CODE>println()</CODE></A></code>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the Object to write
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If an error occured while writing</DL>
</DD>
</DL>
<HR>

<A NAME="clear()"><!-- --></A><H3>
clear</H3>
<PRE>
public abstract void <B>clear</B>()
                    throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Clear the contents of the buffer. If the buffer has been already
 been flushed then the clear operation shall throw an IOException
 to signal the fact that some data has already been irrevocably 
 written to the client response stream.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="clearBuffer()"><!-- --></A><H3>
clearBuffer</H3>
<PRE>
public abstract void <B>clearBuffer</B>()
                          throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Clears the current contents of the buffer. Unlike clear(), this
 method will not throw an IOException if the buffer has already been
 flushed. It merely clears the current content of the buffer and
 returns.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="flush()"><!-- --></A><H3>
flush</H3>
<PRE>
public abstract void <B>flush</B>()
                    throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Flush the stream.  If the stream has saved any characters from the
 various write() methods in a buffer, write them immediately to their
 intended destination.  Then, if that destination is another character or
 byte stream, flush it.  Thus one flush() invocation will flush all the
 buffers in a chain of Writers and OutputStreams.
 <p>
 The method may be invoked indirectly if the buffer size is exceeded.
 <p>
 Once a stream has been closed,
 further write() or flush() invocations will cause an IOException to be
 thrown.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
public abstract void <B>close</B>()
                    throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Close the stream, flushing it first.
 <p>
 This method needs not be invoked explicitly for the initial JspWriter
 as the code generated by the JSP container will automatically
 include a call to close().
 <p>
 Closing a previously-closed stream, unlike flush(), has no effect.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="getBufferSize()"><!-- --></A><H3>
getBufferSize</H3>
<PRE>
public int <B>getBufferSize</B>()</PRE>
<DL>
<DD>This method returns the size of the buffer used by the JspWriter.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the size of the buffer in bytes, or 0 is unbuffered.</DL>
</DD>
</DL>
<HR>

<A NAME="getRemaining()"><!-- --></A><H3>
getRemaining</H3>
<PRE>
public abstract int <B>getRemaining</B>()</PRE>
<DL>
<DD>This method returns the number of unused bytes in the buffer.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the number of bytes unused in the buffer</DL>
</DD>
</DL>
<HR>

<A NAME="isAutoFlush()"><!-- --></A><H3>
isAutoFlush</H3>
<PRE>
public boolean <B>isAutoFlush</B>()</PRE>
<DL>
<DD>This method indicates whether the JspWriter is autoFlushing.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>if this JspWriter is auto flushing or throwing IOExceptions 
     on buffer overflow conditions</DL>
</DD>
</DL>
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