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📄 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/071113/20090961.gif"=20
                                align=3Dtop></SPAN><SPAN =
id=3D_194_218_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">/**&nbsp;*/</SPAN><SPAN=20
                                id=3D_194_218_Open_Text><SPAN=20
                                style=3D"COLOR: #008000">/**</SPAN><SPAN =

                                style=3D"COLOR: #008000"><BR><IMG =
alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/20090962.gif"=20
                                align=3Dtop>&nbsp;*<BR><IMG alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/20090962.gif"=20
                                align=3Dtop>&nbsp;*&nbsp;</SPAN><SPAN=20
                                style=3D"COLOR: =
#808080">@author</SPAN><SPAN=20
                                style=3D"COLOR: =
#008000">&nbsp;Sun<BR><IMG alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/20090965.gif"=20
                                align=3Dtop>&nbsp;</SPAN><SPAN=20
                                style=3D"COLOR: =
#008000">*/</SPAN></SPAN><SPAN=20
                                style=3D"COLOR: #000000"><BR><IMG =
alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/2009093.gif"=20
                                align=3Dtop>@Stateless<BR><IMG=20
                                id=3D_288_915_Open_Image=20
                                onclick=3D"this.style.display=3D'none'; =
document.getElementById('_288_915_Open_Text').style.display=3D'none'; =
document.getElementById('_288_915_Closed_Image').style.display=3D'inline'=
; =
document.getElementById('_288_915_Closed_Text').style.display=3D'inline';=
"=20
                                alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/20090960.gif"=20
                                align=3Dtop><IMG =
id=3D_288_915_Closed_Image=20
                                style=3D"DISPLAY: none"=20
                                onclick=3D"this.style.display=3D'none'; =
document.getElementById('_288_915_Closed_Text').style.display=3D'none'; =
document.getElementById('_288_915_Open_Image').style.display=3D'inline'; =
document.getElementById('_288_915_Open_Text').style.display=3D'inline';" =

                                alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/20090961.gif"=20
                                align=3Dtop></SPAN><SPAN=20
                                style=3D"COLOR: =
#0000ff">public</SPAN><SPAN=20
                                style=3D"COLOR: =
#000000">&nbsp;</SPAN><SPAN=20
                                style=3D"COLOR: =
#0000ff">class</SPAN><SPAN=20
                                style=3D"COLOR: =
#000000">&nbsp;ProductFacade&nbsp;</SPAN><SPAN=20
                                style=3D"COLOR: =
#0000ff">implements</SPAN><SPAN=20
                                style=3D"COLOR: =
#000000">&nbsp;ProductFacadeLocal&nbsp;</SPAN><SPAN=20
                                id=3D_288_915_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_288_915_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><BR><IMG alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/20090962.gif"=20
                                =
align=3Dtop>&nbsp;&nbsp;&nbsp;&nbsp;@PersistenceContext<BR><IMG=20
                                alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/20090962.gif"=20
                                =
align=3Dtop>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN=20
                                style=3D"COLOR: =
#0000ff">private</SPAN><SPAN=20
                                style=3D"COLOR: =
#000000">&nbsp;EntityManager&nbsp;em;<BR><IMG=20
                                alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/20090962.gif"=20
                                =
align=3Dtop>&nbsp;&nbsp;&nbsp;&nbsp;<BR><IMG=20
                                id=3D_354_399_Open_Image=20
                                onclick=3D"this.style.display=3D'none'; =
document.getElementById('_354_399_Open_Text').style.display=3D'none'; =
document.getElementById('_354_399_Closed_Image').style.display=3D'inline'=
; =
document.getElementById('_354_399_Closed_Text').style.display=3D'inline';=
"=20
                                alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/200909103.gif"=20
                                align=3Dtop><IMG =
id=3D_354_399_Closed_Image=20
                                style=3D"DISPLAY: none"=20
                                onclick=3D"this.style.display=3D'none'; =
document.getElementById('_354_399_Closed_Text').style.display=3D'none'; =
document.getElementById('_354_399_Open_Image').style.display=3D'inline'; =
document.getElementById('_354_399_Open_Text').style.display=3D'inline';" =

                                alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/200909104.gif"=20
                                =
align=3Dtop>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN=20
                                id=3D_354_399_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">/**&nbsp;*/</SPAN><SPAN=20
                                id=3D_354_399_Open_Text><SPAN=20
                                style=3D"COLOR: #008000">/**</SPAN><SPAN =

                                style=3D"COLOR: =
#008000">&nbsp;Creates&nbsp;a&nbsp;new&nbsp;instance&nbsp;of&nbsp;Product=
Facade&nbsp;</SPAN><SPAN=20
                                style=3D"COLOR: =
#008000">*/</SPAN></SPAN><SPAN=20
                                style=3D"COLOR: #000000"><BR><IMG=20
                                id=3D_428_434_Open_Image=20
                                onclick=3D"this.style.display=3D'none'; =
document.getElementById('_428_434_Open_Text').style.display=3D'none'; =
document.getElementById('_428_434_Closed_Image').style.display=3D'inline'=
; =
document.getElementById('_428_434_Closed_Text').style.display=3D'inline';=
"=20
                                alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/200909103.gif"=20
                                align=3Dtop><IMG =
id=3D_428_434_Closed_Image=20
                                style=3D"DISPLAY: none"=20
                                onclick=3D"this.style.display=3D'none'; =
document.getElementById('_428_434_Closed_Text').style.display=3D'none'; =
document.getElementById('_428_434_Open_Image').style.display=3D'inline'; =
document.getElementById('_428_434_Open_Text').style.display=3D'inline';" =

                                alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/200909104.gif"=20
                                =
align=3Dtop>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN=20
                                style=3D"COLOR: =
#0000ff">public</SPAN><SPAN=20
                                style=3D"COLOR: =
#000000">&nbsp;ProductFacade()&nbsp;</SPAN><SPAN=20
                                id=3D_428_434_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_428_434_Open_Text><SPAN=20
                                style=3D"COLOR: #000000">{<BR><IMG =
alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/200909107.gif"=20
                                =
align=3Dtop>&nbsp;&nbsp;&nbsp;&nbsp;}</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_477_512_Open_Image=20
                                onclick=3D"this.style.display=3D'none'; =
document.getElementById('_477_512_Open_Text').style.display=3D'none'; =
document.getElementById('_477_512_Closed_Image').style.display=3D'inline'=
; =
document.getElementById('_477_512_Closed_Text').style.display=3D'inline';=
"=20
                                alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/200909103.gif"=20
                                align=3Dtop><IMG =
id=3D_477_512_Closed_Image=20
                                style=3D"DISPLAY: none"=20
                                onclick=3D"this.style.display=3D'none'; =
document.getElementById('_477_512_Closed_Text').style.display=3D'none'; =
document.getElementById('_477_512_Open_Image').style.display=3D'inline'; =
document.getElementById('_477_512_Open_Text').style.display=3D'inline';" =

                                alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/200909104.gif"=20
                                =
align=3Dtop>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN=20
                                style=3D"COLOR: =
#0000ff">public</SPAN><SPAN=20
                                style=3D"COLOR: =
#000000">&nbsp;</SPAN><SPAN=20
                                style=3D"COLOR: =
#0000ff">void</SPAN><SPAN=20
                                style=3D"COLOR: =
#000000">&nbsp;create(Product&nbsp;product)&nbsp;</SPAN><SPAN=20
                                id=3D_477_512_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_477_512_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>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;em.persist(pr=
oduct);<BR><IMG=20
                                alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/200909107.gif"=20
                                =
align=3Dtop>&nbsp;&nbsp;&nbsp;&nbsp;}</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_553_586_Open_Image=20
                                onclick=3D"this.style.display=3D'none'; =
document.getElementById('_553_586_Open_Text').style.display=3D'none'; =
document.getElementById('_553_586_Closed_Image').style.display=3D'inline'=
; =
document.getElementById('_553_586_Closed_Text').style.display=3D'inline';=
"=20
                                alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/200909103.gif"=20
                                align=3Dtop><IMG =
id=3D_553_586_Closed_Image=20
                                style=3D"DISPLAY: none"=20
                                onclick=3D"this.style.display=3D'none'; =
document.getElementById('_553_586_Closed_Text').style.display=3D'none'; =
document.getElementById('_553_586_Open_Image').style.display=3D'inline'; =
document.getElementById('_553_586_Open_Text').style.display=3D'inline';" =

                                alt=3D""=20
                                =
src=3D"http://www.javadby.com/upimg/allimg/071113/200909104.gif"=20
                                =
align=3Dtop>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN=20
                                style=3D"COLOR: =
#0000ff">public</SPAN><SPAN=20
                                style=3D"COLOR: =
#000000">&nbsp;</SPAN><SPAN=20
                                style=3D"COLOR: =
#0000ff">void</SPAN><SPAN=20
                                style=3D"COLOR: =
#000000">&nbsp;edit(Product&nbsp;product)&nbsp;</SPAN><SPAN=20
                                id=3D_553_586_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_553_586_Open_Text><SPAN=20
                                style=3D"COLOR: #000000">{<BR><IMG =
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