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📄 在struts 2中实现文件上传 - max on java - blogjava.mht

📁 MVC结构中struts的详细介绍
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#0000ff">&gt;</SPAN>=20
<SPAN style=3D"COLOR: #000000">Struts 2 File Upload</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">&lt;/</SPAN> <SPAN style=3D"COLOR: =
#800000">title</SPAN>=20
<SPAN style=3D"COLOR: #0000ff">&gt;</SPAN> <SPAN=20
style=3D"COLOR: #000000"><BR></SPAN><SPAN style=3D"COLOR: =
#0000ff">&lt;/</SPAN>=20
<SPAN style=3D"COLOR: #800000">head</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">&gt;</SPAN> <SPAN style=3D"COLOR: =
#000000"><BR></SPAN><SPAN=20
style=3D"COLOR: #0000ff">&lt;</SPAN> <SPAN style=3D"COLOR: =
#800000">body</SPAN>=20
<SPAN style=3D"COLOR: #0000ff">&gt;</SPAN> <SPAN style=3D"COLOR: =
#000000"><BR>&nbsp;=20
&nbsp; </SPAN><SPAN style=3D"COLOR: #0000ff">&lt;</SPAN> <SPAN=20
style=3D"COLOR: #800000">s:form </SPAN><SPAN style=3D"COLOR: =
#ff0000">action</SPAN>=20
<SPAN style=3D"COLOR: #0000ff">=3D"fileUpload"</SPAN> <SPAN=20
style=3D"COLOR: #ff0000">method</SPAN> <SPAN style=3D"COLOR: =
#0000ff">=3D"POST"</SPAN>=20
<SPAN style=3D"COLOR: #ff0000">enctype</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D"multipart/form-data"</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">&gt;</SPAN> <SPAN style=3D"COLOR: =
#000000"><BR>&nbsp;=20
&nbsp; &nbsp; &nbsp; </SPAN><SPAN style=3D"COLOR: #0000ff">&lt;</SPAN> =
<SPAN=20
style=3D"COLOR: #800000">s:file </SPAN><SPAN style=3D"COLOR: =
#ff0000">name</SPAN>=20
<SPAN style=3D"COLOR: #0000ff">=3D"myFile"</SPAN> <SPAN=20
style=3D"COLOR: #ff0000">label</SPAN> <SPAN style=3D"COLOR: =
#0000ff">=3D"Image=20
File"</SPAN> <SPAN style=3D"COLOR: #ff0000"></SPAN><SPAN=20
style=3D"COLOR: #0000ff">/&gt;</SPAN> <SPAN style=3D"COLOR: =
#000000"><BR>&nbsp;=20
&nbsp; &nbsp; &nbsp; </SPAN><SPAN style=3D"COLOR: #0000ff">&lt;</SPAN> =
<SPAN=20
style=3D"COLOR: #800000">s:textfield </SPAN><SPAN=20
style=3D"COLOR: #ff0000">name</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D"caption"</SPAN> <SPAN=20
style=3D"COLOR: #ff0000">label</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D"Caption"</SPAN> <SPAN=20
style=3D"COLOR: #ff0000"></SPAN><SPAN style=3D"COLOR: =
#0000ff">/&gt;</SPAN> <SPAN=20
style=3D"COLOR: #000000">&nbsp; &nbsp; &nbsp; &nbsp;<BR>&nbsp; &nbsp; =
&nbsp;=20
&nbsp; </SPAN><SPAN style=3D"COLOR: #0000ff">&lt;</SPAN> <SPAN=20
style=3D"COLOR: #800000">s:submit </SPAN><SPAN style=3D"COLOR: =
#0000ff">/&gt;</SPAN>=20
<SPAN style=3D"COLOR: #000000"><BR>&nbsp; &nbsp; </SPAN><SPAN=20
style=3D"COLOR: #0000ff">&lt;/</SPAN> <SPAN style=3D"COLOR: =
#800000">s:form</SPAN>=20
<SPAN style=3D"COLOR: #0000ff">&gt;</SPAN> <SPAN=20
style=3D"COLOR: #000000"><BR></SPAN><SPAN style=3D"COLOR: =
#0000ff">&lt;/</SPAN>=20
<SPAN style=3D"COLOR: #800000">body</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">&gt;</SPAN> <SPAN style=3D"COLOR: =
#000000"><BR></SPAN><SPAN=20
style=3D"COLOR: #0000ff">&lt;/</SPAN> <SPAN style=3D"COLOR: =
#800000">html</SPAN>=20
<SPAN style=3D"COLOR: #0000ff">&gt;</SPAN> </DIV><SPAN=20
style=3D"FONT-SIZE: smaller; FONT-STYLE: italic">=E6=B8=85=E5=8D=952 =
FileUpload.jsp</SPAN>=20
<P>=E5=9C=A8FileUpload.jsp=E4=B8=AD=EF=BC=8C=E5=85=88=E5=B0=86=E8=A1=A8=E5=
=8D=95=E7=9A=84=E6=8F=90=E4=BA=A4=E6=96=B9=E5=BC=8F=E8=AE=BE=E4=B8=BAPOST=
=EF=BC=8C=E7=84=B6=E5=90=8E=E5=B0=86enctype=E8=AE=BE=E4=B8=BAmultipart/fo=
rm-data=EF=BC=8C=E8=BF=99=E5=B9=B6=E6=B2=A1=E6=9C=89=E4=BB=80=E4=B9=88=E7=
=89=B9=E5=88=AB=E4=B9=8B=E5=A4=84=E3=80=82=E6=8E=A5=E4=B8=8B=E6=9D=A5=EF=BC=
=8C&lt;s:file/&gt;=E6=A0=87=E5=BF=97=E5=B0=86=E6=96=87=E4=BB=B6=E4=B8=8A=E4=
=BC=A0=E6=8E=A7=E4=BB=B6=E7=BB=91=E5=AE=9A=E5=88=B0Action=E7=9A=84myFile=E5=
=B1=9E=E6=80=A7=E3=80=82</P>
<P>=E5=85=B6=E6=AC=A1=E6=98=AFFileUploadAction.java=E4=BB=A3=E7=A0=81=EF=BC=
=9A</P>
<DIV=20
style=3D"BORDER-RIGHT: #cccccc 1px solid; PADDING-RIGHT: 5px; =
BORDER-TOP: #cccccc 1px solid; PADDING-LEFT: 4px; FONT-SIZE: 13px; =
PADDING-BOTTOM: 4px; BORDER-LEFT: #cccccc 1px solid; WIDTH: 98%; =
WORD-BREAK: break-all; PADDING-TOP: 4px; BORDER-BOTTOM: #cccccc 1px =
solid; BACKGROUND-COLOR: #eeeeee"><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif" =
align=3Dtop>=20
<SPAN style=3D"COLOR: #0000ff">package</SPAN> <SPAN=20
style=3D"COLOR: #000000">tutorial;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop><BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN> <SPAN style=3D"COLOR: #0000ff">import</SPAN> <SPAN=20
style=3D"COLOR: #000000">java.io.BufferedInputStream;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN> <SPAN style=3D"COLOR: #0000ff">import</SPAN> <SPAN=20
style=3D"COLOR: #000000">java.io.BufferedOutputStream;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN> <SPAN style=3D"COLOR: #0000ff">import</SPAN> <SPAN=20
style=3D"COLOR: #000000">java.io.File;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN> <SPAN style=3D"COLOR: #0000ff">import</SPAN> <SPAN=20
style=3D"COLOR: #000000">java.io.FileInputStream;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN> <SPAN style=3D"COLOR: #0000ff">import</SPAN> <SPAN=20
style=3D"COLOR: #000000">java.io.FileOutputStream;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN> <SPAN style=3D"COLOR: #0000ff">import</SPAN> <SPAN=20
style=3D"COLOR: #000000">java.io.InputStream;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN> <SPAN style=3D"COLOR: #0000ff">import</SPAN> <SPAN=20
style=3D"COLOR: #000000">java.io.OutputStream;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN> <SPAN style=3D"COLOR: #0000ff">import</SPAN> <SPAN=20
style=3D"COLOR: #000000">java.util.Date;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop><BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN> <SPAN style=3D"COLOR: #0000ff">import</SPAN> <SPAN=20
style=3D"COLOR: =
#000000">org.apache.struts2.ServletActionContext;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop><BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN> <SPAN style=3D"COLOR: #0000ff">import</SPAN> <SPAN=20
style=3D"COLOR: #000000">com.opensymphony.xwork2.ActionSupport;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop><BR><IMG id=3DCodehighlighter1_407_2048_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_407_2048_Open_Text.style.display=3D'none'; =
Codehighlighter1_407_2048_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_407_2048_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockSt=
art.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_407_2048_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_407_2048_Closed_Text.style.display=3D'none'; =
Codehighlighter1_407_2048_Open_Image.style.display=3D'inline'; =
Codehighlighter1_407_2048_Open_Text.style.display=3D'inline';"=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ContractedBlock=
.gif"=20
align=3Dtop></SPAN> <SPAN style=3D"COLOR: #0000ff">public</SPAN> <SPAN=20
style=3D"COLOR: #000000"></SPAN><SPAN style=3D"COLOR: =
#0000ff">class</SPAN> <SPAN=20
style=3D"COLOR: #000000">FileUploadAction </SPAN><SPAN=20
style=3D"COLOR: #0000ff">extends</SPAN> <SPAN style=3D"COLOR: =
#000000">ActionSupport=20
</SPAN><SPAN id=3DCodehighlighter1_407_2048_Closed_Text=20
style=3D"BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; =
DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 =
1px solid; BACKGROUND-COLOR: #ffffff"><IMG=20
src=3D"http://www.blogjava.net/Images/dot.gif"> </SPAN><SPAN=20
id=3DCodehighlighter1_407_2048_Open_Text><SPAN style=3D"COLOR: =
#000000">{<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp;</SPAN> <SPAN style=3D"COLOR: #0000ff">private</SPAN> <SPAN =

style=3D"COLOR: #000000"></SPAN><SPAN style=3D"COLOR: =
#0000ff">static</SPAN> <SPAN=20
style=3D"COLOR: #000000"></SPAN><SPAN style=3D"COLOR: =
#0000ff">final</SPAN> <SPAN=20
style=3D"COLOR: #000000"></SPAN><SPAN style=3D"COLOR: =
#0000ff">long</SPAN> <SPAN=20
style=3D"COLOR: #000000">serialVersionUID </SPAN><SPAN=20
style=3D"COLOR: #000000">=3D</SPAN> <SPAN style=3D"COLOR: =
#000000"></SPAN><SPAN=20
style=3D"COLOR: #000000">572146812454l</SPAN> <SPAN=20
style=3D"COLOR: #000000">;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp;</SPAN> <SPAN style=3D"COLOR: #0000ff">private</SPAN> <SPAN =

style=3D"COLOR: #000000"></SPAN><SPAN style=3D"COLOR: =
#0000ff">static</SPAN> <SPAN=20
style=3D"COLOR: #000000"></SPAN><SPAN style=3D"COLOR: =
#0000ff">final</SPAN> <SPAN=20
style=3D"COLOR: #000000"></SPAN><SPAN style=3D"COLOR: =
#0000ff">int</SPAN> <SPAN=20
style=3D"COLOR: #000000">BUFFER_SIZE </SPAN><SPAN style=3D"COLOR: =
#000000">=3D</SPAN>=20
<SPAN style=3D"COLOR: #000000"></SPAN><SPAN style=3D"COLOR: =
#000000">16</SPAN> <SPAN=20
style=3D"COLOR: #000000"></SPAN><SPAN style=3D"COLOR: #000000">*</SPAN> =
<SPAN=20
style=3D"COLOR: #000000"></SPAN><SPAN style=3D"COLOR: =
#000000">1024</SPAN> <SPAN=20
style=3D"COLOR: #000000">;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp;</SPAN> <SPAN style=3D"COLOR: #0000ff">private</SPAN> <SPAN =

style=3D"COLOR: #000000">File myFile;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp;</SPAN> <SPAN style=3D"COLOR: #0000ff">private</SPAN> <SPAN =

style=3D"COLOR: #000000">String contentType;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp;</SPAN> <SPAN style=3D"COLOR: #0000ff">private</SPAN> <SPAN =

style=3D"COLOR: #000000">String fileName;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp;</SPAN> <SPAN style=3D"COLOR: #0000ff">private</SPAN> <SPAN =

style=3D"COLOR: #000000">String imageFileName;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp;</SPAN> <SPAN style=3D"COLOR: #0000ff">private</SPAN> <SPAN =

style=3D"COLOR: #000000">String caption;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp;<BR><IMG id=3DCodehighlighter1_712_749_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_712_749_Open_Text.style.display=3D'none'; =
Codehighlighter1_712_749_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_712_749_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBloc=
kStart.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_712_749_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_712_749_Closed_Text.style.display=3D'none'; =
Codehighlighter1_712_749_Open_Image.style.display=3D'inline'; =
Codehighlighter1_712_749_Open_Text.style.display=3D'inline';"=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ContractedSubBl=
ock.gif"=20
align=3Dtop> &nbsp; &nbsp;</SPAN> <SPAN style=3D"COLOR: =
#0000ff">public</SPAN> <SPAN=20
style=3D"COLOR: #000000"></SPAN><SPAN style=3D"COLOR: =
#0000ff">void</SPAN> <SPAN=20
style=3D"COLOR: #000000">setMyFileContentType(String contentType) =
</SPAN><SPAN=20
id=3DCodehighlighter1_712_749_Closed_Text=20
style=3D"BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; =
DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 =
1px solid; BACKGROUND-COLOR: #ffffff"><IMG=20
src=3D"http://www.blogjava.net/Images/dot.gif"> </SPAN><SPAN=20
id=3DCodehighlighter1_712_749_Open_Text><SPAN style=3D"COLOR: =
#000000">{<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp; &nbsp; &nbsp;</SPAN> <SPAN style=3D"COLOR: =
#0000ff">this</SPAN>=20
<SPAN style=3D"COLOR: #000000">.contentType </SPAN><SPAN=20
style=3D"COLOR: #000000">=3D</SPAN> <SPAN=20
style=3D"COLOR: #000000">contentType;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBloc=
kEnd.gif"=20
align=3Dtop> &nbsp; &nbsp;}</SPAN> </SPAN><SPAN style=3D"COLOR: =
#000000"><BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp;<BR><IMG id=3DCodehighlighter1_801_832_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_801_832_Open_Text.style.display=3D'none'; =
Codehighlighter1_801_832_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_801_832_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBloc=
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