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📄 在struts 2_0中实现表单数据校验（validation） - max on java - blogjava.mht

📁 MVC结构中struts的详细介绍
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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">HelloWorld </SPAN><SPAN=20
style=3D"COLOR: #0000ff">extends</SPAN> <SPAN style=3D"COLOR: =
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src=3D"http://www.blogjava.net/Images/dot.gif"> </SPAN><SPAN=20
id=3DCodehighlighter1_193_973_Open_Text><SPAN style=3D"COLOR: =
#000000">{<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
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&nbsp; &nbsp;</SPAN> <SPAN style=3D"COLOR: #0000ff">private</SPAN> <SPAN =

style=3D"COLOR: #000000">String msg;<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">Locale loc </SPAN><SPAN style=3D"COLOR: =
#000000">=3D</SPAN>=20
<SPAN style=3D"COLOR: #000000">Locale.US;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp;<BR><IMG id=3DCodehighlighter1_275_294_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
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ock.gif"=20
align=3Dtop> &nbsp; &nbsp;</SPAN> <SPAN style=3D"COLOR: =
#0000ff">public</SPAN> <SPAN=20
style=3D"COLOR: #000000">String getMsg() </SPAN><SPAN=20
id=3DCodehighlighter1_275_294_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_275_294_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">return</SPAN>=20
<SPAN style=3D"COLOR: #000000">msg; &nbsp; &nbsp; &nbsp; &nbsp;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBloc=
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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_322_339_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
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align=3Dtop><IMG id=3DCodehighlighter1_322_339_Closed_Image =
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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">Locale getLoc() </SPAN><SPAN=20
id=3DCodehighlighter1_322_339_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_322_339_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">return</SPAN>=20
<SPAN style=3D"COLOR: #000000">loc;<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_375_396_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
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align=3Dtop><IMG id=3DCodehighlighter1_375_396_Closed_Image =
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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">setLoc(Locale loc) </SPAN><SPAN=20
id=3DCodehighlighter1_375_396_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_375_396_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">.loc </SPAN><SPAN style=3D"COLOR: =
#000000">=3D</SPAN>=20
<SPAN style=3D"COLOR: #000000">loc;<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/InBlock.gif" =
align=3Dtop>=20
&nbsp; &nbsp;@Override<BR><IMG id=3DCodehighlighter1_435_629_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
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src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBloc=
kStart.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_435_629_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
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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">validate() </SPAN><SPAN=20
id=3DCodehighlighter1_435_629_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_435_629_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;System.out.println(</SPAN> <SPAN=20
style=3D"COLOR: #000000">"</SPAN> <SPAN style=3D"COLOR: #000000">Calling =

validate()<IMG src=3D"http://www.blogjava.net/Images/dot.gif"></SPAN> =
<SPAN=20
style=3D"COLOR: #000000">"</SPAN> <SPAN style=3D"COLOR: =
#000000">);<BR><IMG=20
id=3DCodehighlighter1_570_626_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_570_626_Open_Text.style.display=3D'none'; =
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src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBloc=
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align=3Dtop><IMG id=3DCodehighlighter1_570_626_Closed_Image =
style=3D"DISPLAY: none"=20
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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">(</SPAN> <SPAN=20
style=3D"COLOR: #000000">!</SPAN> <SPAN=20
style=3D"COLOR: #000000">(loc.equals(Locale.US) </SPAN><SPAN=20
style=3D"COLOR: #000000">||</SPAN> <SPAN=20
style=3D"COLOR: #000000">loc.equals(Locale.CHINA))) </SPAN><SPAN=20
id=3DCodehighlighter1_570_626_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_570_626_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; &nbsp; &nbsp; &nbsp;=20
&nbsp;addFieldError(</SPAN> <SPAN style=3D"COLOR: #000000">"</SPAN> =
<SPAN=20
style=3D"COLOR: #000000">loc</SPAN> <SPAN style=3D"COLOR: =
#000000">"</SPAN> <SPAN=20
style=3D"COLOR: #000000">, getText(</SPAN> <SPAN style=3D"COLOR: =
#000000">"</SPAN>=20
<SPAN style=3D"COLOR: #000000">validation.loc</SPAN> <SPAN=20
style=3D"COLOR: #000000">"</SPAN> <SPAN style=3D"COLOR: =
#000000">));<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBloc=
kEnd.gif"=20
align=3Dtop> &nbsp; &nbsp; &nbsp; &nbsp;}</SPAN> </SPAN><SPAN=20
style=3D"COLOR: #000000"><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; &nbsp; &nbsp;<BR><IMG =
id=3DCodehighlighter1_665_736_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
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src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBloc=
kStart.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_665_736_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_665_736_Closed_Text.style.display=3D'none'; =
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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">validateExecute() </SPAN><SPAN=20
id=3DCodehighlighter1_665_736_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
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