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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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<SPAN style=3D"COLOR: #000000">String getExtention(String fileName) =
</SPAN><SPAN=20
id=3DCodehighlighter1_1692_1768_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_1692_1768_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">int</SPAN> <SPAN=20
style=3D"COLOR: #000000">pos </SPAN><SPAN style=3D"COLOR: =
#000000">=3D</SPAN> <SPAN=20
style=3D"COLOR: #000000">fileName.lastIndexOf(</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">);<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">return</SPAN>=20
<SPAN style=3D"COLOR: #000000">fileName.substring(pos);<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
<BR><IMG =
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop> &nbsp; &nbsp;@Override<BR><IMG=20
id=3DCodehighlighter1_1807_2044_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_1807_2044_Open_Text.style.display=3D'none'; =
Codehighlighter1_1807_2044_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_1807_2044_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBloc=
kStart.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_1807_2044_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_1807_2044_Closed_Text.style.display=3D'none'; =
Codehighlighter1_1807_2044_Open_Image.style.display=3D'inline'; =
Codehighlighter1_1807_2044_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">String execute() &nbsp; &nbsp;</SPAN> <SPAN=20
id=3DCodehighlighter1_1807_2044_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_1807_2044_Open_Text><SPAN style=3D"COLOR: =
#000000">{ &nbsp;=20
&nbsp; &nbsp; &nbsp;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp; &nbsp; &nbsp;imageFileName </SPAN><SPAN=20
style=3D"COLOR: #000000">=3D</SPAN> <SPAN style=3D"COLOR: =
#000000"></SPAN><SPAN=20
style=3D"COLOR: #0000ff">new</SPAN> <SPAN style=3D"COLOR: =
#000000">Date().getTime()=20
</SPAN><SPAN style=3D"COLOR: #000000">+</SPAN> <SPAN=20
style=3D"COLOR: #000000">getExtention(fileName);<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp; &nbsp; &nbsp;File imageFile </SPAN><SPAN=20
style=3D"COLOR: #000000">=3D</SPAN> <SPAN style=3D"COLOR: =
#000000"></SPAN><SPAN=20
style=3D"COLOR: #0000ff">new</SPAN> <SPAN=20
style=3D"COLOR: =
#000000">File(ServletActionContext.getServletContext().getRealPath(</SPAN=
>=20
<SPAN style=3D"COLOR: #000000">"</SPAN> <SPAN=20
style=3D"COLOR: #000000">/UploadImages</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"></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"></SPAN><SPAN=20
style=3D"COLOR: #000000">+</SPAN> <SPAN=20
style=3D"COLOR: #000000">imageFileName);<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp; &nbsp; &nbsp;copy(myFile, imageFile);<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">return</SPAN>=20
<SPAN style=3D"COLOR: #000000">SUCCESS;<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=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEn=
d.gif"=20
align=3Dtop>}</SPAN> </SPAN></DIV><SPAN=20
style=3D"FONT-SIZE: smaller; FONT-STYLE: italic">=E6=B8=85=E5=8D=953=20
tutorial/FileUploadAction.java</SPAN>=20
<P>=E5=9C=A8FileUploadAction=E4=B8=AD=E6=88=91=E5=88=86=E5=88=AB=E5=86=99=
=E4=BA=86setMyFileContentType=E3=80=81setMyFileFileName=E3=80=81setMyFile=
=E5=92=8CsetCaption=E5=9B=9B=E4=B8=AASetter=E6=96=B9=E6=B3=95=EF=BC=8C=E5=
=90=8E=E4=B8=A4=E8=80=85=E5=BE=88=E5=AE=B9=E6=98=93=E6=98=8E=E7=99=BD=EF=BC=
=8C=E5=88=86=E5=88=AB=E5=AF=B9=E5=BA=94FileUpload.jsp=E4=B8=AD=E7=9A=84&l=
t;s:file/&gt;=E5=92=8C&lt;s:textfield/&gt;=E6=A0=87=E5=BF=97=E3=80=82=E4=BD=
=86=E6=98=AF=E5=89=8D=E4=B8=A4=E8=80=85=E5=B9=B6=E6=B2=A1=E6=9C=89=E6=98=BE=
=E5=BC=8F=E5=9C=B0=E4=B8=8E=E4=BB=BB=E4=BD=95=E7=9A=84=E9=A1=B5=E9=9D=A2=E6=
=A0=87=E5=BF=97=E7=BB=91=E5=AE=9A=EF=BC=8C=E9=82=A3=E4=B9=88=E5=AE=83=E4=BB=
=AC=E7=9A=84=E5=80=BC=E5=8F=88=E6=98=AF=E4=BB=8E=E4=BD=95=E8=80=8C=E6=9D=A5=
=E7=9A=84=E5=91=A2=EF=BC=9F=E5=85=B6=E5=AE=9E=EF=BC=8C&lt;s:file/&gt;=E6=A0=
=87=E5=BF=97=E4=B8=8D=E4=BB=85=E4=BB=85=E6=98=AF=E7=BB=91=E5=AE=9A=E5=88=B0=
myFile=EF=BC=8C=E8=BF=98=E6=9C=89myFileContentType=EF=BC=88=E4=B8=8A=E4=BC=
=A0=E6=96=87=E4=BB=B6=E7=9A=84MIME=E7=B1=BB=E5=9E=8B=EF=BC=89=E5=92=8CmyF=
ileFileName=EF=BC=88=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6=E7=9A=84=E6=96=87=
=E4=BB=B6=E5=90=8D=EF=BC=8C=E8=AF=A5=E6=96=87=E4=BB=B6=E5=90=8D=E4=B8=8D=E5=
=8C=85=E6=8B=AC=E6=96=87=E4=BB=B6=E7=9A=84=E8=B7=AF=E5=BE=84=EF=BC=89=E3=80=
=82=E5=9B=A0=E6=AD=A4=EF=BC=8C&lt;s:file=20
name=3D"xxx" =
/&gt;=E5=AF=B9=E5=BA=94Action=E7=B1=BB=E9=87=8C=E9=9D=A2=E7=9A=84xxx=E3=80=
=81xxxContentType=E5=92=8CxxxFileName=E4=B8=89=E4=B8=AA=E5=B1=9E=E6=80=A7=
=E3=80=82</P>
<P>FileUploadAction=E4=BD=9C=E7=94=A8=E6=98=AF=E5=B0=86=E6=B5=8F=E8=A7=88=
=E5=99=A8=E4=B8=8A=E4=BC=A0=E7=9A=84=E6=96=87=E4=BB=B6=E6=8B=B7=E8=B4=9D=E5=
=88=B0WEB=E5=BA=94=E7=94=A8=E7=A8=8B=E5=BA=8F=E7=9A=84UploadImages=E6=96=87=
=E4=BB=B6=E5=A4=B9=E4=B8=8B=EF=BC=8C=E6=96=B0=E6=96=87=E4=BB=B6=E7=9A=84=E5=
=90=8D=E7=A7=B0=E6=98=AF=E7=94=B1=E7=B3=BB=E7=BB=9F=E6=97=B6=E9=97=B4=E4=B8=
=8E=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6=E7=9A=84=E5=90=8E=E7=BC=80=E7=BB=84=
=E6=88=90=EF=BC=8C=E8=AF=A5=E5=90=8D=E7=A7=B0=E5=B0=86=E8=A2=AB=E8=B5=8B=E7=
=BB=99imageFileName=E5=B1=9E=E6=80=A7=EF=BC=8C=E4=BB=A5=E4=BE=BF=E4=B8=8A=
=E4=BC=A0=E6=88=90=E5=8A=9F=E7=9A=84=E8=B7=B3=E8=BD=AC=E9=A1=B5=E9=9D=A2=E4=
=BD=BF=E7=94=A8=E3=80=82</P>
<P>=E4=B8=8B=E9=9D=A2=E6=88=91=E4=BB=AC=E5=B0=B1=E6=9D=A5=E7=9C=8B=E7=9C=8B=
=E4=B8=8A=E4=BC=A0=E6=88=90=E5=8A=9F=E7=9A=84=E9=A1=B5=E9=9D=A2=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"><SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #ffff00">&lt;%</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">@ page =
language</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">=3D</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">java</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">contentType</SPAN> =
<SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">=3D</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">text/html;=20
charset=3Dutf-8</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">pageEncoding</SPAN> =
<SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">=3D</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">utf-8</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5"></SPAN><SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #ffff00">%&gt;</SPAN> <SPAN=20
style=3D"COLOR: #000000"><BR></SPAN><SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #ffff00">&lt;%</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">@ taglib =
prefix</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">=3D</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">s</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">uri</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">=3D</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">/struts-tags</SPAN> =
<SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</SPAN> <SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #f5f5f5"></SPAN><SPAN=20
style=3D"COLOR: #000000; BACKGROUND-COLOR: #ffff00">%&gt;</SPAN> <SPAN=20
style=3D"COLOR: #000000"><BR><BR></SPAN><SPAN style=3D"COLOR: =
#0000ff">&lt;!</SPAN>=20
<SPAN style=3D"COLOR: #ff00ff">DOCTYPE html PUBLIC "-//W3C//DTD XHTML =
1.0=20
Transitional//EN"=20
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"</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><SPAN style=3D"COLOR: #ff0000">xmlns</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D"http://www.w3.org/1999/xhtml"</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">head</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">title</SPAN> <SPAN style=3D"COLOR: =
#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">div </SPAN><SPAN style=3D"COLOR: =
#ff0000">style</SPAN>=20
<SPAN style=3D"COLOR: #0000ff">=3D"padding: 3px; border: solid 1px =
#cccccc;=20
text-align: center"</SPAN> <SPAN style=3D"COLOR: #0000ff">&gt;</SPAN> =
<SPAN=20
style=3D"COLOR: #000000"><BR>&nbsp; &nbsp; &nbsp; &nbsp; </SPAN><SPAN=20
style=3D"COLOR: #0000ff">&lt;</SPAN> <SPAN style=3D"COLOR: #800000">img =
</SPAN><SPAN=20
style=3D"COLOR: #ff0000">src</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D'UploadImages/&lt;s:property </SPAN><SPAN=20
style=3D"COLOR: #ff0000">value</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D"imageFileName"</SPAN> <SPAN=20
style=3D"COLOR: #ff0000"></SPAN><SPAN style=3D"COLOR: =
#0000ff">/&gt;</SPAN> <SPAN=20
style=3D"COLOR: #000000">' /&gt;<BR>&nbsp; &nbsp; &nbsp; &nbsp; =
</SPAN><SPAN=20
style=3D"COLOR: #0000ff">&lt;</SPAN> <SPAN style=3D"COLOR: #800000">br =
</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:property </SPAN><SPAN=20
style=3D"COLOR: #ff0000">value</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"><BR>&nbsp; &nbsp; </SPAN><SPAN=20
style=3D"COLOR: #0000ff">&lt;/</SPAN> <SPAN style=3D"COLOR: =
#800
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