struts 2的基石——拦截器（interceptor） - max on java - blogjava.mht

MVC结构中struts的详细介绍

style=3D"COLOR: #800000">interceptor </SPAN><SPAN=20
style=3D"COLOR: #ff0000">name</SPAN> <SPAN style=3D"COLOR: =
#0000ff">=3D"timer"</SPAN>=20
<SPAN style=3D"COLOR: #ff0000">class</SPAN> <SPAN=20
style=3D"COLOR: =
#0000ff">=3D"com.opensymphony.xwork2.interceptor.TimerInterceptor"</SPAN>=
=20
<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">interceptor </SPAN><SPAN=20
style=3D"COLOR: #ff0000">name</SPAN> <SPAN style=3D"COLOR: =
#0000ff">=3D"token"</SPAN>=20
<SPAN style=3D"COLOR: #ff0000">class</SPAN> <SPAN=20
style=3D"COLOR: =
#0000ff">=3D"org.apache.struts2.interceptor.TokenInterceptor"</SPAN>=20
<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">interceptor </SPAN><SPAN=20
style=3D"COLOR: #ff0000">name</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D"token-session"</SPAN> <SPAN=20
style=3D"COLOR: #ff0000">class</SPAN> <SPAN=20
style=3D"COLOR: =
#0000ff">=3D"org.apache.struts2.interceptor.TokenSessionStoreInterceptor"=
</SPAN>=20
<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">interceptor </SPAN><SPAN=20
style=3D"COLOR: #ff0000">name</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D"validation"</SPAN> <SPAN=20
style=3D"COLOR: #ff0000">class</SPAN> <SPAN=20
style=3D"COLOR: =
#0000ff">=3D"com.opensymphony.xwork2.validator.ValidationInterceptor"</SP=
AN>=20
<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">interceptor </SPAN><SPAN=20
style=3D"COLOR: #ff0000">name</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D"workflow"</SPAN> <SPAN=20
style=3D"COLOR: #ff0000">class</SPAN> <SPAN=20
style=3D"COLOR: =
#0000ff">=3D"com.opensymphony.xwork2.interceptor.DefaultWorkflowIntercept=
or"</SPAN>=20
<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">interceptor </SPAN><SPAN=20
style=3D"COLOR: #ff0000">name</SPAN> <SPAN style=3D"COLOR: =
#0000ff">=3D"store"</SPAN>=20
<SPAN style=3D"COLOR: #ff0000">class</SPAN> <SPAN=20
style=3D"COLOR: =
#0000ff">=3D"org.apache.struts2.interceptor.MessageStoreInterceptor"</SPA=
N>=20
<SPAN style=3D"COLOR: #ff0000"></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">interceptor </SPAN><SPAN=20
style=3D"COLOR: #ff0000">name</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D"checkbox"</SPAN> <SPAN=20
style=3D"COLOR: #ff0000">class</SPAN> <SPAN=20
style=3D"COLOR: =
#0000ff">=3D"org.apache.struts2.interceptor.CheckboxInterceptor"</SPAN>=20
<SPAN style=3D"COLOR: #ff0000"></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">interceptor </SPAN><SPAN=20
style=3D"COLOR: #ff0000">name</SPAN> <SPAN=20
style=3D"COLOR: #0000ff">=3D"profiling"</SPAN> <SPAN=20
style=3D"COLOR: #ff0000">class</SPAN> <SPAN=20
style=3D"COLOR: =
#0000ff">=3D"org.apache.struts2.interceptor.ProfilingActivationIntercepto=
r"</SPAN>=20
<SPAN style=3D"COLOR: #ff0000"></SPAN><SPAN style=3D"COLOR: =
#0000ff">/&gt;</SPAN>=20
</DIV>
<H2>=E9=85=8D=E7=BD=AE=E5=92=8C=E4=BD=BF=E7=94=A8=E6=8B=A6=E6=88=AA=E5=99=
=A8</H2>
<P>=E5=9C=A8struts-default.xml=E4=B8=AD=E5=B7=B2=E7=BB=8F=E9=85=8D=E7=BD=AE=
=E4=BA=86=E4=BB=A5=E4=B8=8A=E7=9A=84=E6=8B=A6=E6=88=AA=E5=99=A8=E3=80=82=E5=
=A6=82=E6=9E=9C=E6=82=A8=E6=83=B3=E8=A6=81=E4=BD=BF=E7=94=A8=E4=B8=8A=E8=BF=
=B0=E6=8B=A6=E6=88=AA=E5=99=A8=EF=BC=8C=E5=8F=AA=E9=9C=80=E8=A6=81=E5=9C=A8=
=E5=BA=94=E7=94=A8=E7=A8=8B=E5=BA=8Fstruts.xml=E6=96=87=E4=BB=B6=E4=B8=AD=
=E9=80=9A=E8=BF=87=E2=80=9C&lt;include=20
file=3D"struts-default.xml"=20
/&gt;=E2=80=9D=E5=B0=86struts-default.xml=E6=96=87=E4=BB=B6=E5=8C=85=E5=90=
=AB=E8=BF=9B=E6=9D=A5=EF=BC=8C=E5=B9=B6=E7=BB=A7=E6=89=BF=E5=85=B6=E4=B8=AD=
=E7=9A=84struts-default=E5=8C=85=EF=BC=88package=EF=BC=89=EF=BC=8C=E6=9C=80=
=E5=90=8E=E5=9C=A8=E5=AE=9A=E4=B9=89Action=E6=97=B6=EF=BC=8C=E4=BD=BF=E7=94=
=A8=E2=80=9C&lt;interceptor-ref=20
name=3D"xx" =
/&gt;=E2=80=9D=E5=BC=95=E7=94=A8=E6=8B=A6=E6=88=AA=E5=99=A8=E6=88=96=E6=8B=
=A6=E6=88=AA=E5=99=A8=E6=A0=88=EF=BC=88interceptor=20
stack=EF=BC=89=E3=80=82=E4=B8=80=E6=97=A6=E6=82=A8=E7=BB=A7=E6=89=BF=E4=BA=
=86struts-default=E5=8C=85=EF=BC=88package=EF=BC=89=EF=BC=8C=E6=89=80=E6=9C=
=89Action=E9=83=BD=E4=BC=9A=E8=B0=83=E7=94=A8=E6=8B=A6=E6=88=AA=E5=99=A8=E6=
=A0=88=20
=E2=80=94=E2=80=94defaultStack=E3=80=82=E5=BD=93=E7=84=B6=EF=BC=8C=E5=9C=A8=
Action=E9=85=8D=E7=BD=AE=E4=B8=AD=E5=8A=A0=E5=85=A5=E2=80=9C&lt;intercept=
or-ref name=3D"xx"=20
/&gt;=E2=80=9D=E5=8F=AF=E4=BB=A5=E8=A6=86=E7=9B=96defaultStack=E3=80=82</=
P>
<P>=E4=B8=8B=E9=9D=A2=E6=98=AF=E5=85=B3=E4=BA=8E=E6=8B=A6=E6=88=AA=E5=99=A8=
timer=E4=BD=BF=E7=94=A8=E7=9A=84=E4=BE=8B=E5=AD=90=E3=80=82=E9=A6=96=E5=85=
=88=EF=BC=8C=E6=96=B0=E5=BB=BAAction=E7=B1=BBtuotrial/TimerInterceptorAct=
ion.java=EF=BC=8C=E5=86=85=E5=AE=B9=E5=A6=82=E4=B8=8B=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">com.opensymphony.xwork2.ActionSupport;<BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/None.gif"=20
align=3Dtop><BR><IMG id=3DCodehighlighter1_124_281_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_124_281_Open_Text.style.display=3D'none'; =
Codehighlighter1_124_281_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_124_281_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockSt=
art.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_124_281_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_124_281_Closed_Text.style.display=3D'none'; =
Codehighlighter1_124_281_Open_Image.style.display=3D'inline'; =
Codehighlighter1_124_281_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">TimerInterceptorAction </SPAN><SPAN=20
style=3D"COLOR: #0000ff">extends</SPAN> <SPAN style=3D"COLOR: =
#000000">ActionSupport=20
</SPAN><SPAN id=3DCodehighlighter1_124_281_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_124_281_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_162_279_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_162_279_Open_Text.style.display=3D'none'; =
Codehighlighter1_162_279_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_162_279_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBloc=
kStart.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_162_279_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_162_279_Closed_Text.style.display=3D'none'; =
Codehighlighter1_162_279_Open_Image.style.display=3D'inline'; =
Codehighlighter1_162_279_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() </SPAN><SPAN=20
id=3DCodehighlighter1_162_279_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_162_279_Open_Text><SPAN style=3D"COLOR: =
#000000">{<BR><IMG=20
id=3DCodehighlighter1_170_209_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_170_209_Open_Text.style.display=3D'none'; =
Codehighlighter1_170_209_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_170_209_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBloc=
kStart.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_170_209_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_170_209_Closed_Text.style.display=3D'none'; =
Codehighlighter1_170_209_Open_Image.style.display=3D'inline'; =
Codehighlighter1_170_209_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">try</SPAN> <SPAN style=3D"COLOR: =
#000000"></SPAN><SPAN=20
id=3DCodehighlighter1_170_209_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_170_209_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;</SPAN> <SPAN=20
style=3D"COLOR: #008000">//</SPAN> <SPAN style=3D"COLOR: =
#008000">=E6=A8=A1=E6=8B=9F=E8=80=97=E6=97=B6=E7=9A=84=E6=93=8D=E4=BD=9C<=
/SPAN>=20
<SPAN style=3D"COLOR: #008000"><BR><IMG=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" =
align=3Dtop>=20
</SPAN><SPAN style=3D"COLOR: #000000">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =

&nbsp;Thread.sleep(</SPAN> <SPAN style=3D"COLOR: #000000">500</SPAN> =
<SPAN=20
style=3D"COLOR: #000000">);<BR><IMG =
id=3DCodehighlighter1_230_258_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_230_258_Open_Text.style.display=3D'none'; =
Codehighlighter1_230_258_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_230_258_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBloc=
kStart.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_230_258_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_230_258_Closed_Text.style.display=3D'none'; =
Codehighlighter1_230_258_Open_Image.style.display=3D'inline'; =
Codehighlighter1_230_258_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><SPAN=20
style=3D"COLOR: #000000"></SPAN><SPAN style=3D"COLOR: =
#0000ff">catch</SPAN> <SPAN=20
style=3D"COLOR: #000000">(Exception e) </SPAN><SPAN=20
id=3DCodehighlighter1_230_258_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_230_258_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;e.printStackTrace();<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/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