fileitemstream.html

java 的上传功能很强大的实施上述事实上说是

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates an <CODE>InputStream</CODE>, which allows to read the
 items contents.</TD>
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&nbsp;<A NAME="methods_inherited_from_class_org.apache.commons.fileupload.FileItemHeadersSupport"><!-- --></A>
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<TH ALIGN="left"><B>Methods inherited from interface org.apache.commons.fileupload.<A HREF="../../../../org/apache/commons/fileupload/FileItemHeadersSupport.html" title="interface in org.apache.commons.fileupload">FileItemHeadersSupport</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/commons/fileupload/FileItemHeadersSupport.html#getHeaders()">getHeaders</A>, <A HREF="../../../../org/apache/commons/fileupload/FileItemHeadersSupport.html#setHeaders(org.apache.commons.fileupload.FileItemHeaders)">setHeaders</A></CODE></TD>
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<B>Method Detail</B></FONT></TH>
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<A NAME="openStream()"><!-- --></A><H3>
openStream</H3>
<PRE>
java.io.InputStream <B>openStream</B>()
                               throws java.io.IOException</PRE>
<DL>
<DD>Creates an <CODE>InputStream</CODE>, which allows to read the
 items contents.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The input stream, from which the items data may
   be read.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalStateException</CODE> - The method was already invoked on
 this item. It is not possible to recreate the data stream.
<DD><CODE>java.io.IOException</CODE> - An I/O error occurred.<DT><B>See Also:</B><DD><A HREF="../../../../org/apache/commons/fileupload/FileItemStream.ItemSkippedException.html" title="class in org.apache.commons.fileupload"><CODE>FileItemStream.ItemSkippedException</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getContentType()"><!-- --></A><H3>
getContentType</H3>
<PRE>
java.lang.String <B>getContentType</B>()</PRE>
<DL>
<DD>Returns the content type passed by the browser or <code>null</code> if
 not defined.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The content type passed by the browser or <code>null</code> if
         not defined.</DL>
</DD>
</DL>
<HR>

<A NAME="getName()"><!-- --></A><H3>
getName</H3>
<PRE>
java.lang.String <B>getName</B>()</PRE>
<DL>
<DD>Returns the original filename in the client's filesystem, as provided by
 the browser (or other client software). In most cases, this will be the
 base file name, without path information. However, some clients, such as
 the Opera browser, do include path information.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The original filename in the client's filesystem.</DL>
</DD>
</DL>
<HR>

<A NAME="getFieldName()"><!-- --></A><H3>
getFieldName</H3>
<PRE>
java.lang.String <B>getFieldName</B>()</PRE>
<DL>
<DD>Returns the name of the field in the multipart form corresponding to
 this file item.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The name of the form field.</DL>
</DD>
</DL>
<HR>

<A NAME="isFormField()"><!-- --></A><H3>
isFormField</H3>
<PRE>
boolean <B>isFormField</B>()</PRE>
<DL>
<DD>Determines whether or not a <code>FileItem</code> instance represents
 a simple form field.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD><code>true</code> if the instance represents a simple form
         field; <code>false</code> if it represents an uploaded file.</DL>
</DD>
</DL>
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