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📄 转换器(converter)——struts 2_0中的魔术师 - max on java - blogjava.mht

📁 MVC结构中struts的详细介绍
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style=3D"COLOR: #0000ff">&gt;</SPAN> <SPAN style=3D"COLOR: =
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&nbsp; </SPAN><SPAN style=3D"COLOR: #0000ff">&lt;</SPAN> <SPAN=20
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<SPAN style=3D"COLOR: #0000ff">=3D"HelloWorld"</SPAN> <SPAN=20
style=3D"COLOR: #ff0000">class</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D"tutorial.HelloWorld"</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">result</SPAN> <SPAN style=3D"COLOR: =
#0000ff">&gt;</SPAN>=20
<SPAN style=3D"COLOR: #000000">/HelloWorld.jsp</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">&lt;/</SPAN> <SPAN style=3D"COLOR: =
#800000">result</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">action</SPAN> <SPAN style=3D"COLOR: =
#0000ff">&gt;</SPAN>=20
<SPAN style=3D"COLOR: #000000"><BR></SPAN><SPAN=20
style=3D"COLOR: #0000ff">&lt;/</SPAN> <SPAN style=3D"COLOR: =
#800000">package</SPAN>=20
<SPAN style=3D"COLOR: #0000ff">&gt;</SPAN> </DIV>
<P>=E5=86=8D=E5=9C=A8Web=E6=96=87=E4=BB=B6=E5=A4=B9=E4=B8=8B=EF=BC=8C=E6=96=
=B0=E5=BB=BA =
HelloWorld.jsp=EF=BC=8C=E4=BB=A3=E7=A0=81=E5=A6=82=E4=B8=8B=EF=BC=9A<BR><=
/P>
<DIV=20
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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: #0000ff">&lt;</SPAN> <SPAN style=3D"COLOR: #800000">%@ =
page=20
&nbsp;</SPAN> <SPAN style=3D"COLOR: #ff0000">contentType</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D"text/html; charset=3DUTF-8"</SPAN> <SPAN=20
style=3D"COLOR: #ff0000">%</SPAN> <SPAN style=3D"COLOR: =
#0000ff">&gt;</SPAN> <SPAN=20
style=3D"COLOR: #000000"><BR></SPAN><SPAN style=3D"COLOR: =
#0000ff">&lt;</SPAN> <SPAN=20
style=3D"COLOR: #800000">%@taglib </SPAN><SPAN=20
style=3D"COLOR: #ff0000">prefix</SPAN> <SPAN style=3D"COLOR: =
#0000ff">=3D"s"</SPAN>=20
<SPAN style=3D"COLOR: #ff0000">uri</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D"/struts-tags"</SPAN> <SPAN=20
style=3D"COLOR: #ff0000">%</SPAN> <SPAN style=3D"COLOR: =
#0000ff">&gt;</SPAN> <SPAN=20
style=3D"COLOR: #000000"><BR></SPAN><SPAN style=3D"COLOR: =
#0000ff">&lt;</SPAN> <SPAN=20
style=3D"COLOR: #800000">html</SPAN> <SPAN style=3D"COLOR: =
#0000ff">&gt;</SPAN>=20
<SPAN 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>&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">Hello World</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"HelloWorld"</SPAN> <SPAN=20
style=3D"COLOR: #ff0000">theme</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D"simple"</SPAN> <SPAN style=3D"COLOR: =
#0000ff">&gt;</SPAN>=20
<SPAN style=3D"COLOR: #000000">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp;<BR>&nbsp;=20
&nbsp; &nbsp; &nbsp; Locale: </SPAN><SPAN style=3D"COLOR: =
#0000ff">&lt;</SPAN>=20
<SPAN style=3D"COLOR: #800000">s:textfield </SPAN><SPAN=20
style=3D"COLOR: #ff0000">name</SPAN> <SPAN style=3D"COLOR: =
#0000ff">=3D"loc"</SPAN>=20
<SPAN style=3D"COLOR: #ff0000"></SPAN><SPAN style=3D"COLOR: =
#0000ff">/&gt;</SPAN>=20
<SPAN style=3D"COLOR: #ff0000">&amp;nbsp;</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">&lt;</SPAN> <SPAN style=3D"COLOR: =
#800000">s:submit=20
</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: =
#800000">s:form</SPAN>=20
<SPAN style=3D"COLOR: #0000ff">&gt;</SPAN> <SPAN style=3D"COLOR: =
#000000">&nbsp;=20
&nbsp;<BR>&nbsp; &nbsp; </SPAN><SPAN style=3D"COLOR: =
#0000ff">&lt;</SPAN> <SPAN=20
style=3D"COLOR: #800000">h2</SPAN> <SPAN style=3D"COLOR: =
#0000ff">&gt;&lt;</SPAN>=20
<SPAN style=3D"COLOR: #800000">s:property </SPAN><SPAN=20
style=3D"COLOR: #ff0000">value</SPAN> <SPAN style=3D"COLOR: =
#0000ff">=3D"msg"</SPAN>=20
<SPAN style=3D"COLOR: #ff0000"></SPAN><SPAN=20
style=3D"COLOR: #0000ff">/&gt;&lt;/</SPAN> <SPAN style=3D"COLOR: =
#800000">h2</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>
<P>=E6=8E=A5=E4=B8=8B=E6=9D=A5=EF=BC=8C=E5=9C=A8=E6=BA=90=E4=BB=A3=E7=A0=81=
=E6=96=87=E4=BB=B6=E5=A4=B9=E7=9A=84tutorial=E5=8C=85=E4=B8=AD=E6=96=B0=E5=
=BB=BALocaleConverter.java=E6=96=87=E4=BB=B6=EF=BC=8C=E4=BB=A3=E7=A0=81=E5=
=A6=82=E4=B8=8B=EF=BC=9A<BR></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.util.Locale;<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.Map;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop><BR><IMG id=3DCodehighlighter1_130_478_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_130_478_Open_Text.style.display=3D'none'; =
Codehighlighter1_130_478_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_130_478_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockSt=
art.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_130_478_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_130_478_Closed_Text.style.display=3D'none'; =
Codehighlighter1_130_478_Open_Image.style.display=3D'inline'; =
Codehighlighter1_130_478_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">LocaleConverter </SPAN><SPAN=20
style=3D"COLOR: #0000ff">extends</SPAN> <SPAN=20
style=3D"COLOR: #000000">ognl.DefaultTypeConverter </SPAN><SPAN=20
id=3DCodehighlighter1_130_478_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_130_478_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;@Override<BR><IMG id=3DCodehighlighter1_212_476_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_212_476_Open_Text.style.display=3D'none'; =
Codehighlighter1_212_476_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_212_476_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBloc=
kStart.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_212_476_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_212_476_Closed_Text.style.display=3D'none'; =
Codehighlighter1_212_476_Open_Image.style.display=3D'inline'; =
Codehighlighter1_212_476_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">Object convertValue(Map context, Object value, =
Class=20
toType) </SPAN><SPAN id=3DCodehighlighter1_212_476_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_212_476_Open_Text><SPAN style=3D"COLOR: =
#000000">{<BR><IMG=20
id=3DCodehighlighter1_243_356_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_243_356_Open_Text.style.display=3D'none'; =
Codehighlighter1_243_356_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_243_356_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBloc=
kStart.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_243_356_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_243_356_Closed_Text.style.display=3D'none'; =
Codehighlighter1_243_356_Open_Image.style.display=3D'inline'; =
Codehighlighter1_243_356_Open_Text.style.display=3D'inline';"=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ContractedSubBl=
ock.gif"=20
align=3Dtop> &nbsp; &nbsp; &nbsp; &nbsp;</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">if</SPAN> <SPAN style=3D"COLOR: =
#000000">(toType=20
</SPAN><SPAN style=3D"COLOR: #000000">=3D=3D</SPAN> <SPAN=20
style=3D"COLOR: #000000">Locale.</SPAN> <SPAN style=3D"COLOR: =
#0000ff">class</SPAN>=20
<SPAN style=3D"COLOR: #000000">) </SPAN><SPAN=20
id=3DCodehighlighter1_243_356_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_243_356_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; &nbsp; &nbsp;String locale </SPAN><SPAN=20
style=3D"COLOR: #000000">=3D</SPAN> <SPAN style=3D"COLOR: =
#000000">((String[])=20
value)[</SPAN> <SPAN style=3D"COLOR: #000000">0</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; &nbsp; &nbsp; &nbsp; &nbsp;</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">return</SPAN> <SPAN style=3D"COLOR: =
#000000"></SPAN><SPAN=20
style=3D"COLOR: #0000ff">new</SPAN> <SPAN=20
style=3D"COLOR: #000000">Locale(locale.substring(</SPAN> <SPAN=20
style=3D"COLOR: #000000">0</SPAN> <SPAN style=3D"COLOR: #000000">, =
</SPAN><SPAN=20
style=3D"COLOR: #000000">2</SPAN> <SPAN style=3D"COLOR: #000000">),=20
locale.substring(</SPAN> <SPAN style=3D"COLOR: #000000">3</SPAN> <SPAN=20
style=3D"COLOR: #000000">));<BR><IMG =
id=3DCodehighlighter1_390_458_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_390_458_Open_Text.style.display=3D'none'; =
Codehighlighter1_390_458_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_390_458_Closed_Text.style.display=3D'inline';"=20

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