📄 struts快速学习指南6.mht
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color=3D#ffffff>=B9=D8=BC=FC=D7=D6</FONT></TD>
<TD width=3D500> Struts MVC =
Framework</TD></TR>
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<TD align=3Dmiddle height=3D5></TD>
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width=3D500></TD></TR></TBODY></TABLE><!--=CE=C4=D5=C2=CB=B5=C3=F7=D0=C5=CF=
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<H4 style=3D"MARGIN: 6pt 0cm 3pt; TEXT-INDENT: 0cm"><A=20
name=3D_Toc70351637></A><A name=3D_Toc69320858><SPAN=20
style=3D"mso-bookmark: _Toc70351637"><SPAN lang=3DEN-US=20
style=3D"mso-bidi-font-family: =CB=CE=CC=E5"><SPAN=20
style=3D"mso-list: Ignore"><FONT face=3D=CB=CE=CC=E5 =
size=3D2>1.1.1.1</FONT><SPAN=20
style=3D"FONT: 7pt 'Times New Roman'"> =20
</SPAN></SPAN></SPAN><SPAN lang=3DEN-US><FONT =
face=3D=CB=CE=CC=E5=20
size=3D2>Action=C0=E0</FONT></SPAN></SPAN></A></H4>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.6pt; =
mso-char-indent-count: 1.8"><FONT=20
color=3D#354278><TT><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: =CB=CE=CC=E5; =
mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier =
New'; mso-ansi-language: DA">=C8=E7=B9=FB=CB=B5</SPAN></TT><TT><SPAN=20
lang=3DEN-GB=20
style=3D"FONT-SIZE: 12pt; mso-ansi-language: =
EN-GB">ActionServlet</SPAN></TT><TT><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: =CB=CE=CC=E5; =
mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier =
New'; mso-ansi-language: EN-GB">=CA=C7</SPAN></TT><TT><SPAN=20
lang=3DEN-GB=20
style=3D"FONT-SIZE: 12pt; mso-ansi-language: =
EN-GB">Struts</SPAN></TT><TT><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: =CB=CE=CC=E5; =
mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier =
New'; mso-ansi-language: =
EN-GB">=BF=F2=BC=DC=B5=C4=C8=EB=BF=DA=A3=AC</SPAN></TT><TT><SPAN=20
lang=3DEN-GB=20
style=3D"FONT-SIZE: 12pt; mso-ansi-language: =
EN-GB">RequestProcessor</SPAN></TT><TT><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: =CB=CE=CC=E5; =
mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier =
New'; mso-ansi-language: =
EN-GB">=CA=C7=CF=FB=BB=AF=B9=FD=C2=CB=CF=B5=CD=B3=A3=AC=D4=F2</SPAN></TT>=
<TT><SPAN=20
lang=3DDA=20
style=3D"FONT-SIZE: 12pt; mso-ansi-language: =
DA">org.apache.struts.action.Action</SPAN></TT></FONT><SPAN=20
style=3D"mso-ansi-language: DA"><FONT size=3D2><FONT=20
=
face=3D=CB=CE=CC=E5>=C0=E0=BF=C9=D2=D4=CB=B5=CA=C7=D5=FB=B8=F6=BF=F2=BC=DC=
=B5=C4=D0=C4=D4=E0=A1=A3=CB=FB=CA=C7=BF=CD=BB=A7=C7=EB=C7=F3=BA=CD=D2=B5=CE=
=F1=B2=D9=D7=F7=B5=C4=C1=AC=BD=D3=C7=C5=A3=AC=D2=B2=BF=C9=D2=D4=BD=AB=C6=E4=
=BF=B4=D7=F7=CA=C7=D2=B5=CE=F1=B2=D9=D7=F7=B5=C4=BF=CD=BB=A7=B4=FA=C0=ED=A1=
=A3<SPAN=20
lang=3DDA><o:p></o:p></SPAN></FONT></FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 18pt; =
mso-char-indent-count: 1.8"><SPAN=20
style=3D"mso-ansi-language: DA"><FONT face=3D=CB=CE=CC=E5=20
size=3D2>=D4=DA=C7=B0=C3=E6=B6=D4</FONT></SPAN><FONT =
color=3D#354278><TT><SPAN lang=3DDA=20
style=3D"FONT-SIZE: 12pt; mso-ansi-language: =
DA">ReqeustProcessor</SPAN></TT><TT><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: =CB=CE=CC=E5; =
mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier =
New'; mso-ansi-language: DA">=C0=E0</SPAN></TT></FONT><SPAN=20
style=3D"mso-ansi-language: DA"><FONT face=3D=CB=CE=CC=E5=20
=
size=3D2>=B5=C4=D1=A7=CF=B0=D6=D0=A3=AC=CE=D2=C3=C7=C1=CB=BD=E2=B5=BD=D2=BB=
=B5=A9=C8=B7=B6=A8=B2=A2=B5=C3=B5=BD=C1=CB=D2=BB=B8=F6</FONT></SPAN><TT><=
SPAN lang=3DDA=20
style=3D"FONT-SIZE: 12pt; mso-ansi-language: DA"><FONT=20
color=3D#354278>action</FONT></SPAN></TT><SPAN=20
style=3D"mso-ansi-language: DA"><FONT face=3D=CB=CE=CC=E5=20
size=3D2>=CA=B5=C0=FD=A3=AC</FONT></SPAN><TT><SPAN lang=3DDA =
style=3D"FONT-SIZE: 12pt; mso-ansi-language: DA"><FONT=20
color=3D#354278>ReqeustProcessor</FONT></SPAN></TT><SPAN=20
style=3D"mso-ansi-language: DA"><FONT face=3D=CB=CE=CC=E5=20
size=3D2>=BB=E1=B5=F7=D3=C3</FONT></SPAN><TT><SPAN lang=3DDA =
style=3D"FONT-SIZE: 12pt; mso-ansi-language: DA"><FONT=20
color=3D#354278>action</FONT></SPAN></TT><SPAN=20
style=3D"mso-ansi-language: DA"><FONT face=3D=CB=CE=CC=E5=20
size=3D2>=B5=C4</FONT></SPAN><TT><SPAN lang=3DDA=20
style=3D"FONT-SIZE: 12pt; mso-ansi-language: DA"><FONT=20
color=3D#354278>execute()</FONT></SPAN></TT><SPAN=20
style=3D"mso-ansi-language: DA"><FONT face=3D=CB=CE=CC=E5=20
=
size=3D2>=B7=BD=B7=A8=B4=A6=C0=ED=BF=CD=BB=A7=C7=EB=C7=F3=A3=AC=C4=E3=D0=E8=
=D2=AA=C0=A9=D5=B9</FONT></SPAN><TT><SPAN lang=3DDA=20
style=3D"FONT-SIZE: 12pt; mso-ansi-language: DA"><FONT=20
color=3D#354278>action</FONT></SPAN></TT><SPAN=20
style=3D"mso-ansi-language: DA"><FONT face=3D=CB=CE=CC=E5=20
=
size=3D2>=C0=E0=A3=AC=B2=A2=CA=B5=CF=D6=CB=FC=B5=C4</FONT></SPAN><TT><SPA=
N lang=3DDA=20
style=3D"FONT-SIZE: 12pt; mso-ansi-language: DA"><FONT=20
color=3D#354278>execute()</FONT></SPAN></TT><SPAN=20
style=3D"mso-ansi-language: DA"><FONT face=3D=CB=CE=CC=E5=20
=
size=3D2>=B7=BD=B7=A8=A3=AC=D4=DA=B4=CB=B7=BD=B7=A8=D6=D0=CC=ED=BC=D3=C4=E3=
=D7=D4=BC=BA=B5=C4=B4=A6=C0=ED=B4=FA=C2=EB=A1=A3=CF=C2=C3=E6=B8=F8=B3=F6=CA=
=C7=D2=BB=B8=F6=CA=BE=C0=FD=A3=AC=D5=E2=B8=F6</FONT></SPAN><TT><SPAN=20
lang=3DEN-US style=3D"FONT-SIZE: 12pt"><FONT=20
color=3D#354278>action</FONT></SPAN></TT><SPAN=20
style=3D"mso-ansi-language: DA"><FONT size=3D2><FONT=20
=
face=3D=CB=CE=CC=E5>=D3=C3=C0=B4=B4=A6=C0=ED=D3=C3=BB=A7=B5=C4=B5=C7=C2=BC=
=C7=EB=C7=F3=A3=BA<SPAN=20
lang=3DDA><o:p></o:p></SPAN></FONT></FONT></SPAN></P>
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style=3D"BORDER-RIGHT: medium none; BORDER-TOP: medium none; =
BORDER-LEFT: medium none; BORDER-BOTTOM: medium none; BORDER-COLLAPSE: =
collapse; mso-border-alt: solid windowtext .5pt; mso-yfti-tbllook: 480; =
mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-border-insideh: .5pt solid =
windowtext; mso-border-insidev: .5pt solid windowtext"=20
cellSpacing=3D0 cellPadding=3D0 border=3D1>
<TBODY>
<TR style=3D"mso-yfti-irow: 0; mso-yfti-lastrow: yes">
<TD=20
style=3D"BORDER-RIGHT: windowtext 1pt solid; =
PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: =
5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: =
478.8pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; =
BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt"=20
vAlign=3Dtop width=3D638><PRE><A =
name=3Djakarta-CHP-5-EX-6></A><SPAN lang=3DDA style=3D"FONT-SIZE: 10pt; =
mso-ansi-language: DA"><FONT face=3D=CB=CE=CC=E5>package =
com.oreilly.struts.storefront.security;<o:p></o:p></FONT></SPAN></PRE><PR=
E><SPAN lang=3DDA style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> <o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
lang=3DDA style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5>import =
java.util.Locale;<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5>import =
javax.servlet.http.*;<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5>import =
org.apache.struts.action.*;<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
lang=3DDA style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5>import =
com.oreilly.struts.storefront.customer.view.UserView;<o:p></o:p></FONT></=
SPAN></PRE><PRE><SPAN lang=3DDA style=3D"FONT-SIZE: 10pt; =
mso-ansi-language: DA"><FONT face=3D=CB=CE=CC=E5>import =
com.oreilly.struts.storefront.framework.exceptions.BaseException;<o:p></o=
:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA style=3D"FONT-SIZE: 10pt; =
mso-ansi-language: DA"><FONT face=3D=CB=CE=CC=E5>import =
com.oreilly.struts.storefront.framework.UserContainer;<o:p></o:p></FONT><=
/SPAN></PRE><PRE><SPAN lang=3DDA style=3D"FONT-SIZE: 10pt; =
mso-ansi-language: DA"><FONT face=3D=CB=CE=CC=E5>import =
com.oreilly.struts.storefront.framework.StorefrontBaseAction;<o:p></o:p><=
/FONT></SPAN></PRE><PRE><SPAN lang=3DDA style=3D"FONT-SIZE: 10pt; =
mso-ansi-language: DA"><FONT face=3D=CB=CE=CC=E5>import =
com.oreilly.struts.storefront.framework.util.IConstants;<o:p></o:p></FONT=
></SPAN></PRE><PRE><SPAN lang=3DDA style=3D"FONT-SIZE: 10pt; =
mso-ansi-language: DA"><FONT face=3D=CB=CE=CC=E5>import =
com.oreilly.struts.storefront.service.IStorefrontService;<o:p></o:p></FON=
T></SPAN></PRE><PRE><SPAN lang=3DDA style=3D"FONT-SIZE: 10pt; =
mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> <o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
lang=3DDA style=3D"FONT-SIZE: 10pt; COLOR: green; mso-ansi-language: =
DA"><FONT =
face=3D=CB=CE=CC=E5>/**<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
lang=3DDA style=3D"FONT-SIZE: 10pt; COLOR: green; mso-ansi-language: =
DA"><FONT face=3D=CB=CE=CC=E5> * Implements the logic to authenticate a =
user for the Storefront =
application.<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; COLOR: green; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> */<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
lang=3DDA style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5>public class LoginAction extends =
StorefrontBaseAction {<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
lang=3DDA style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> <SPAN style=3D"COLOR: =
green">/**<o:p></o:p></SPAN></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; COLOR: green; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> * Called by the controller when the =
user attempts to log in to the<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
lang=3DDA style=3D"FONT-SIZE: 10pt; COLOR: green; mso-ansi-language: =
DA"><FONT face=3D=CB=CE=CC=E5> * Storefront =
application.<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; COLOR: green; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> =
*/<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> public ActionForward execute( ActionMapping =
mapping,<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5>  =
; =
ActionForm =
form,<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5>  =
; =
=
HttpServletRequest request,<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
lang=3DDA style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5>  =
; =
=
HttpServletResponse response )<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
lang=3DDA style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> throws =
Exception{<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> <o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
lang=3DDA style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> <SPAN style=3D"COLOR: green"> // =
The email and password should have already been validated by the =
ActionForm<o:p></o:p></SPAN></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> String email =3D =
((LoginForm)form).getEmail( =
);<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> String password =3D =
((LoginForm)form).getPassword( =
);<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> <o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
lang=3DDA style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> <SPAN style=3D"COLOR: green"> // =
Log in through the security =
service<o:p></o:p></SPAN></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> IStorefrontService serviceImpl =
=3D getStorefrontService( =
);<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> UserView userView =3D =
serviceImpl.authenticate(email, =
password);<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> <o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
lang=3DDA style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> <SPAN style=3D"COLOR: green"> // =
Create a single container object to store user =
data<o:p></o:p></SPAN></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> UserContainer existingContainer =
=3D null;<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> HttpSession session =3D =
request.getSession(false);<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
lang=3DDA style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> if ( session !=3D null =
){<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN lang=3DDA =
style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> existingContainer =3D =
getUserContainer(request);<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
lang=3DDA style=3D"FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT =
face=3D=CB=CE=CC=E5> =
session.invalidate( );<o:p></o:p></FONT></SPAN></PRE><PRE><SPAN =
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