streams.html

java 的上传功能很强大的实施上述事实上说是

 
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<A NAME="copy(java.io.InputStream, java.io.OutputStream, boolean)"><!-- --></A><H3>
copy</H3>
<PRE>
public static long <B>copy</B>(java.io.InputStream&nbsp;pInputStream,
                        java.io.OutputStream&nbsp;pOutputStream,
                        boolean&nbsp;pClose)
                 throws java.io.IOException</PRE>
<DL>
<DD>Copies the contents of the given <CODE>InputStream</CODE>
 to the given <CODE>OutputStream</CODE>. Shortcut for
 <pre>
   copy(pInputStream, pOutputStream, new byte[8192]);
 </pre>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pInputStream</CODE> - The input stream, which is being read.
 It is guaranteed, that <CODE>InputStream.close()</CODE> is called
 on the stream.<DD><CODE>pOutputStream</CODE> - The output stream, to which data should
 be written. May be null, in which case the input streams
 contents are simply discarded.<DD><CODE>pClose</CODE> - True guarantees, that <CODE>OutputStream.close()</CODE>
 is called on the stream. False indicates, that only
 <CODE>OutputStream.flush()</CODE> should be called finally.
<DT><B>Returns:</B><DD>Number of bytes, which have been copied.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - An I/O error occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="copy(java.io.InputStream, java.io.OutputStream, boolean, byte[])"><!-- --></A><H3>
copy</H3>
<PRE>
public static long <B>copy</B>(java.io.InputStream&nbsp;pIn,
                        java.io.OutputStream&nbsp;pOut,
                        boolean&nbsp;pClose,
                        byte[]&nbsp;pBuffer)
                 throws java.io.IOException</PRE>
<DL>
<DD>Copies the contents of the given <CODE>InputStream</CODE>
 to the given <CODE>OutputStream</CODE>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pIn</CODE> - The input stream, which is being read.
   It is guaranteed, that <CODE>InputStream.close()</CODE> is called
   on the stream.<DD><CODE>pOut</CODE> - The output stream, to which data should
   be written. May be null, in which case the input streams
   contents are simply discarded.<DD><CODE>pClose</CODE> - True guarantees, that <CODE>OutputStream.close()</CODE>
   is called on the stream. False indicates, that only
   <CODE>OutputStream.flush()</CODE> should be called finally.<DD><CODE>pBuffer</CODE> - Temporary buffer, which is to be used for
   copying data.
<DT><B>Returns:</B><DD>Number of bytes, which have been copied.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - An I/O error occurred.</DL>
</DD>
</DL>
<HR>

<A NAME="asString(java.io.InputStream)"><!-- --></A><H3>
asString</H3>
<PRE>
public static java.lang.String <B>asString</B>(java.io.InputStream&nbsp;pStream)
                                 throws java.io.IOException</PRE>
<DL>
<DD>This convenience method allows to read a
 <A HREF="../../../../../org/apache/commons/fileupload/FileItemStream.html" title="interface in org.apache.commons.fileupload"><CODE>FileItemStream</CODE></A>'s
 content into a string. The platform's default character encoding
 is used for converting bytes into characters.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pStream</CODE> - The input stream to read.
<DT><B>Returns:</B><DD>The streams contents, as a string.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - An I/O error occurred.<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/fileupload/util/Streams.html#asString(java.io.InputStream, java.lang.String)"><CODE>asString(InputStream, String)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="asString(java.io.InputStream, java.lang.String)"><!-- --></A><H3>
asString</H3>
<PRE>
public static java.lang.String <B>asString</B>(java.io.InputStream&nbsp;pStream,
                                        java.lang.String&nbsp;pEncoding)
                                 throws java.io.IOException</PRE>
<DL>
<DD>This convenience method allows to read a
 <A HREF="../../../../../org/apache/commons/fileupload/FileItemStream.html" title="interface in org.apache.commons.fileupload"><CODE>FileItemStream</CODE></A>'s
 content into a string, using the given character encoding.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pStream</CODE> - The input stream to read.<DD><CODE>pEncoding</CODE> - The character encoding, typically "UTF-8".
<DT><B>Returns:</B><DD>The streams contents, as a string.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - An I/O error occurred.<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/fileupload/util/Streams.html#asString(java.io.InputStream)"><CODE>asString(InputStream)</CODE></A></DL>
</DD>
</DL>
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