📄 java ee 5实现的网上书店—java大本营04.mht
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alt=3D""=20
=
src=3D"http://www.javadby.com/upimg/allimg/071113/20090962.gif"=20
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align=3Dtop> em.merge(prod=
uct);<BR><IMG=20
alt=3D""=20
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src=3D"http://www.javadby.com/upimg/allimg/071113/200909107.gif"=20
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align=3Dtop> }</SPAN></SPAN><SPAN=20
style=3D"COLOR: #000000"><BR><IMG =
alt=3D""=20
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src=3D"http://www.javadby.com/upimg/allimg/071113/20090962.gif"=20
align=3Dtop><BR><IMG =
id=3D_630_691_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
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id=3D_630_691_Closed_Image=20
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
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alt=3D""=20
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src=3D"http://www.javadby.com/upimg/allimg/071113/200909104.gif"=20
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align=3Dtop> </SPAN><SPAN=20
style=3D"COLOR: =
#0000ff">public</SPAN><SPAN=20
style=3D"COLOR: =
#000000"> </SPAN><SPAN=20
style=3D"COLOR: =
#0000ff">void</SPAN><SPAN=20
style=3D"COLOR: =
#000000"> destroy(Product product) </SPAN><SPAN=20
id=3D_630_691_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">...</SPAN><SPAN=20
id=3D_630_691_Open_Text><SPAN=20
style=3D"COLOR: #000000">{<BR><IMG =
alt=3D""=20
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src=3D"http://www.javadby.com/upimg/allimg/071113/20090962.gif"=20
=
align=3Dtop> em.merge(prod=
uct);<BR><IMG=20
alt=3D""=20
=
src=3D"http://www.javadby.com/upimg/allimg/071113/20090962.gif"=20
=
align=3Dtop> em.remove(pro=
duct);<BR><IMG=20
alt=3D""=20
=
src=3D"http://www.javadby.com/upimg/allimg/071113/200909107.gif"=20
=
align=3Dtop> }</SPAN></SPAN><SPAN=20
style=3D"COLOR: #000000"><BR><IMG =
alt=3D""=20
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src=3D"http://www.javadby.com/upimg/allimg/071113/20090962.gif"=20
align=3Dtop><BR><IMG =
id=3D_729_788_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
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"=20
alt=3D""=20
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src=3D"http://www.javadby.com/upimg/allimg/071113/200909103.gif"=20
align=3Dtop><IMG =
id=3D_729_788_Closed_Image=20
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
document.getElementById('_729_788_Closed_Text').style.display=3D'none'; =
document.getElementById('_729_788_Open_Image').style.display=3D'inline'; =
document.getElementById('_729_788_Open_Text').style.display=3D'inline';" =
alt=3D""=20
=
src=3D"http://www.javadby.com/upimg/allimg/071113/200909104.gif"=20
=
align=3Dtop> </SPAN><SPAN=20
style=3D"COLOR: =
#0000ff">public</SPAN><SPAN=20
style=3D"COLOR: =
#000000"> Product find(Object pk) </SPAN><SPAN=20
id=3D_729_788_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">...</SPAN><SPAN=20
id=3D_729_788_Open_Text><SPAN=20
style=3D"COLOR: #000000">{<BR><IMG =
alt=3D""=20
=
src=3D"http://www.javadby.com/upimg/allimg/071113/20090962.gif"=20
=
align=3Dtop> </SPAN><SPAN =
style=3D"COLOR: =
#0000ff">return</SPAN><SPAN=20
style=3D"COLOR: =
#000000"> (Product) em.find(Product.</SPAN><SPAN=20
style=3D"COLOR: =
#0000ff">class</SPAN><SPAN=20
style=3D"COLOR: =
#000000">, pk);<BR><IMG=20
alt=3D""=20
=
src=3D"http://www.javadby.com/upimg/allimg/071113/200909107.gif"=20
=
align=3Dtop> }</SPAN></SPAN><SPAN=20
style=3D"COLOR: #000000"><BR><IMG =
alt=3D""=20
=
src=3D"http://www.javadby.com/upimg/allimg/071113/20090962.gif"=20
align=3Dtop><BR><IMG =
id=3D_817_908_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
document.getElementById('_817_908_Open_Text').style.display=3D'none'; =
document.getElementById('_817_908_Closed_Image').style.display=3D'inline'=
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document.getElementById('_817_908_Closed_Text').style.display=3D'inline';=
"=20
alt=3D""=20
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src=3D"http://www.javadby.com/upimg/allimg/071113/200909103.gif"=20
align=3Dtop><IMG =
id=3D_817_908_Closed_Image=20
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
document.getElementById('_817_908_Closed_Text').style.display=3D'none'; =
document.getElementById('_817_908_Open_Image').style.display=3D'inline'; =
document.getElementById('_817_908_Open_Text').style.display=3D'inline';" =
alt=3D""=20
=
src=3D"http://www.javadby.com/upimg/allimg/071113/200909104.gif"=20
=
align=3Dtop> </SPAN><SPAN=20
style=3D"COLOR: =
#0000ff">public</SPAN><SPAN=20
style=3D"COLOR: =
#000000"> List findAll() </SPAN><SPAN=20
id=3D_817_908_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">...</SPAN><SPAN=20
id=3D_817_908_Open_Text><SPAN=20
style=3D"COLOR: #000000">{<BR><IMG =
alt=3D""=20
=
src=3D"http://www.javadby.com/upimg/allimg/071113/20090962.gif"=20
=
align=3Dtop> </SPAN><SPAN =
style=3D"COLOR: =
#0000ff">return</SPAN><SPAN=20
style=3D"COLOR: =
#000000"> em.createQuery(</SPAN><SPAN=20
style=3D"COLOR: #000000">"</SPAN><SPAN=20
style=3D"COLOR: =
#000000">select object(o) from Product as o</SPA=
N><SPAN=20
style=3D"COLOR: #000000">"</SPAN><SPAN=20
style=3D"COLOR: =
#000000">).getResultList();<BR><IMG=20
alt=3D""=20
=
src=3D"http://www.javadby.com/upimg/allimg/071113/200909107.gif"=20
=
align=3Dtop> }</SPAN></SPAN><SPAN=20
style=3D"COLOR: #000000"><BR><IMG =
alt=3D""=20
=
src=3D"http://www.javadby.com/upimg/allimg/071113/20090962.gif"=20
=
align=3Dtop> <BR><IMG=20
alt=3D""=20
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src=3D"http://www.javadby.com/upimg/allimg/071113/20090965.gif"=20
align=3Dtop>}</SPAN></SPAN><SPAN=20
style=3D"COLOR: #000000"> <BR><IMG =
alt=3D""=20
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src=3D"http://www.javadby.com/upimg/allimg/071113/2009093.gif"=20
align=3Dtop><BR><IMG alt=3D""=20
=
src=3D"http://www.javadby.com/upimg/allimg/071113/2009093.gif"=20
align=3Dtop></SPAN></DIV></DIV>
<P style=3D"MARGIN-BOTTOM: =
0.5cm"> </P>
<P style=3D"MARGIN-BOTTOM: =
0.5cm">=C6=E4=D6=D0=A3=AC=B1=EA=D7=A2 <SPAN=20
lang=3Den-US><TT class=3Dwestern><FONT=20
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face=3D=D0=C2=CB=CE=CC=E5>@Stateless</FONT></TT>=20
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</SPAN>=D3=C3=D3=DA=BD=AB=C0=E0=C9=F9=C3=F7=CE=AA=CE=DE=CC=AC=BB=E1=BB=B0=
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</SPAN>=D7=E9=BC=FE=A1=A3=B1=EA=D7=A2<SPAN=20
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lang=3Den-US>@PersistenceContext</SPAN>=B1=ED=C3=F7=A3=AC<SPAN=20
lang=3Den-US><TT class=3Dwestern><FONT=20
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face=3D=D0=C2=CB=CE=CC=E5>PersistenceContext</FONT></TT>=20
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</SPAN>=D7=E9=BC=FE=D6=D0=A1=A3</P>
<H2 class=3Dcjk><A =
name=3DWeb=B2=E3></A><FONT=20
face=3D"Thorndale, serif"><SPAN =
lang=3Den-US><FONT=20
face=3D"Thorndale, =
serif">Web</FONT></SPAN></FONT>=B2=E3</H2>
<P style=3D"MARGIN-BOTTOM: 0.5cm"><FONT=20
face=3D=D0=C2=CB=CE=CC=E5><SPAN=20
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lang=3Den-US><CODE>Web</CODE></SPAN><CODE>=B2=E3=CA=B5=CF=D6=B7=BD=CA=BD=BA=
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=CA=BD=A1=A3=D2=BB=D6=D6=CA=C7=BC=F2=B5=A5=B5=C4<SPAN=20
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lang=3Den-US>Servlet,</SPAN><CODE>=C0=B4=CF=D4=CA=BE<SPAN=20
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lang=3Den-US>Product</SPAN><CODE>=D0=C5=CF=A2<SPAN=20
lang=3Den-US>, =
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<H2 class=3Dcjk><A =
name=3D=B4=B4=BD=A8Servlet></A>=B4=B4=BD=A8<FONT=20
face=3D"Thorndale, serif"><SPAN =
lang=3Den-US><FONT=20
face=3D"Thorndale, =
serif">Servlet</FONT></SPAN></FONT></H2>
<P style=3D"MARGIN-BOTTOM: =
0.5cm"><BR><BR></P>
<OL>
<LI>
<P style=3D"MARGIN-BOTTOM: =
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<SPAN lang=3Den-US>BookshopApp-war=20
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