📄 用java实现基于xml的购物车2.mht
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Date: Sun, 7 Oct 2007 00:40:24 +0800
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IV>
<DIV id=3Dconauthor><SPAN>2004-08-12 18:30 =
</SPAN><SPAN>=D7=F7=D5=DF=A3=BA k98188=20
</SPAN><SPAN>=B3=F6=B4=A6=A3=BA csdn =
</SPAN><SPAN>=D4=F0=C8=CE=B1=E0=BC=AD=A3=BA<A =
title=3D=CF=F2=B1=BE=B1=E0=BC=AD=CC=E1=CE=CA=20
href=3D"http://comments.yesky.com/t/%B7%BD%D6%DB/6,324/1841503.shtml"=20
target=3D_blank>=B7=BD=D6=DB</A> </SPAN></DIV>
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<DIV id=3Dconneirong><SPAN id=3Dad3></SPAN>
<DIV class=3Dguanggao><SPAN =
id=3DcontentAdv></SPAN></DIV>=A1=A1=A1=A1<STRONG>5=A3=AE=20
=BC=C6=CB=E3=D7=DC=BD=F0=B6=EE</STRONG><BR><BR>=A1=A1=A1=A1=BC=B4=BC=C6=CB=
=E3total=B5=C4=D6=B5=A3=AC=C6=E4=D6=D0total=3D=A1=C6(price*quantity): =
<BR><BR>
<TABLE borderColor=3D#ffcc66 width=3D"90%" align=3Dcenter =
bgColor=3D#e6e4dd border=3D1>
<TBODY>
<TR>
<TD>public void computeTotal(){<BR>=A1=A1NodeList=20
=
quantityList=3DmyCart.getElementsByTagName(=A1=B0quantity=A1=B1);<BR>=A1=A1=
NodeList=20
=
priceList=3DmyCart.getElementsByTagName(=A1=B0price=A1=B1);<BR>=A1=A1floa=
t=20
=
total=3D0;<BR>=A1=A1//=C0=DB=BC=D3=D7=DC=BD=F0=B6=EE<BR>=A1=A1for(int =
x=3D0;x=A3=BC=20
priceList.getLength();x++){<BR>=A1=A1=A1=A1float=20
=
quantity=3DFloat.parseFloat(quantityList.item(x).getFirstChild().getNodeV=
alue());<BR>=A1=A1=A1=A1float=20
=
price=3DFloat.parseFloat(priceList.item(x).getFirstChild().getNodeValue()=
);<BR>=A1=A1=A1=A1total=3Dtotal+quantity*price;<BR>=A1=A1}<BR>=A1=A1//=BD=
=ABtotal=B8=BD=B8=F8myCart=B5=C4total<BR>=A1=A1String=20
=
totalString=3DString.valueOf(total);<BR>=A1=A1myCart.getElementsByTagName=
(=A1=B0total=A1=B1).<BR>=A1=A1item(0).getFirstChild().setNodeValue(totalS=
tring);<BR>}</TD></TR></TBODY></TABLE><BR>=A1=A1=A1=A1<STRONG>6=A3=AE=20
=C5=D0=B6=CF=B9=BA=CE=EF=B3=B5=CA=C7=B7=F1=CE=AA=BF=D5</STRONG><BR><BR>=A1=
=A1=A1=A1=CD=A8=B3=A3=D4=DA=CC=ED=BC=D3=D0=C2=C9=CC=C6=B7=CA=B1=A3=AC=BB=B9=
=D0=E8=D2=AA=D6=AA=B5=C0=B9=BA=CE=EF=B3=B5=CA=C7=B7=F1=CE=AA=BF=D5=A3=AC=C8=
=E7=B9=FB=CE=AA=BF=D5=B5=C4=BB=B0=A3=AC=D4=F2=D2=AA=C9=FA=B3=C9=D2=BB=B8=F6=
=D0=C2=B5=C4=B9=BA=CE=EF=B3=B5=A1=A3<BR><BR>
<TABLE borderColor=3D#ffcc66 width=3D"90%" align=3Dcenter =
bgColor=3D#e6e4dd border=3D1>
<TBODY>
<TR>
<TD>public boolean=20
=
isCartEmpty(){<BR>=A1=A1//item=B5=C4=BD=DA=B5=E3=BC=AF=A3=AC=C8=E7=B9=FB=B8=
=C3=BD=DA=B5=E3=BC=AF=B0=FC=BA=AC=B5=C4=BD=DA=B5=E3=CA=FD=CE=AA0=A3=AC=D4=
=F2=B9=BA=CE=EF=B3=B5=C4=DA=C3=BB=D3=D0=C9=CC=C6=B7=A3=AC=B7=B5=BB=D8true=
<BR>=A1=A1NodeList=20
=
itemList=3DmyCart.getElementsByTagName(=A1=B0item=A1=B1);<BR>=A1=A1if(ite=
mList.getLength()=3D=3D0)=20
return true;<BR>=A1=A1else return=20
false;<BR>}</TD></TR></TBODY></TABLE><BR>=A1=A1=A1=A1<STRONG>7=A3=AE=20
=C5=D0=B6=CF=CB=F9=D1=A1=C9=CC=C6=B7=CA=C7=B7=F1=D2=D1=D4=DA=B9=BA=CE=EF=B3=
=B5=C4=DA</STRONG><BR><BR>=A1=A1=A1=A1=BC=B4=C5=D0=B6=CF=D0=C2=B4=AB=C0=B4=
=C9=CC=C6=B7=B5=C4item=CA=C7=B7=F1=D2=D1=D4=DAmyCart=D6=D0=B4=E6=D4=DA=A3=
=AC=C8=E7=B9=FB=B4=E6=D4=DA=A3=AC=B7=B5=BB=D8true=A1=A3<BR><BR>
<TABLE borderColor=3D#ffcc66 width=3D"90%" align=3Dcenter =
bgColor=3D#e6e4dd border=3D1>
<TBODY>
<TR>
<TD>public boolean isItemExist(Node item, XMLDocument =
cart){<BR>=A1=A1NodeList=20
=
itemList=3Dcart.getElementsByTagName(=A1=B0item=A1=B1);<BR>=A1=A1Node=20
id=3Ditem.getFirstChild();<BR>=A1=A1String=20
=
idValue=3Did.getFirstChild().getNodeValue();<BR>=A1=A1if(itemList.getLeng=
th()!=3D0){<BR>=A1=A1=A1=A1for(int=20
x=3D0;x=A3=BC itemList.getLength();x++){<BR>=A1=A1=A1=A1=A1=A1Node =
itemTemp =3D=20
itemList.item(x);<BR>=A1=A1=A1=A1=A1=A17Node=20
idTemp=3DitemTemp.getFirstChild();<BR>=A1=A1=A1=A1=A1=A1String=20
=
idTempValue=3DidTemp.getFirstChild().getNodeValue();<BR>=A1=A1=A1=A1=A1=A1=
if(idValue.equals(idTempValue))=20
return true;<BR>=A1=A1=A1=A1}<BR>=A1=A1=A1=A1return =
false;<BR>=A1=A1}<BR>=A1=A1return=20
=
false;<BR>}</TD></TR></TBODY></TABLE><BR>=A1=A1=A1=A1=B3=FD=C9=CF=CA=F6=B7=
=BD=B7=A8=CD=E2=A3=ACXMLCart=BB=B9=B0=FC=C0=A8=BD=ABXML=D7=D6=B7=FB=B4=AE=
=D3=C9=CA=E4=C8=EB=CA=B1=B5=C4String=D7=AA=BB=BB=B3=C9XMLDocument=B5=C4=B7=
=BD=B7=A8parseString=A3=AC=D2=D4=BC=B0=D3=C3=D3=DA=CA=E4=B3=F6=CA=B1=BD=AB=
XSL=B8=B3=B8=F8myCart=B2=A2=B7=B5=BB=D8String=D0=CDXML=D7=D6=B4=AE=B5=C4 =
cartTurnToStringWithXSL=B7=BD=B7=A8=C0=B4=B8=A8=D6=FA=B9=BA=CE=EF=B3=B5=D6=
=F7=D2=AA=B2=D9=D7=F7=B5=C4=CA=B5=CF=D6 <BR>
<DIV class=3Dright>=B9=B23=D2=B3=A1=A3 <A class=3Dpage =
href=3D"http://www.yesky.com/3/1841503.shtml"=20
target=3D_self><FONT face=3DWebdings>9</FONT></A> <A class=3Dpage=20
href=3D"http://www.yesky.com/3/1841503_1.shtml" target=3D_self><FONT=20
face=3DWebdings>7</FONT></A> <A class=3Dpage=20
href=3D"http://www.yesky.com/3/1841503.shtml" =
target=3D_self><B>1</B></A> <A=20
class=3Dpage href=3D"http://www.yesky.com/3/1841503_1.shtml"=20
target=3D_self><B>2</B></A> <A class=3Dpage=20
href=3D"http://www.yesky.com/3/1841503_2.shtml" target=3D_self><FONT=20
color=3D#666666><B>3</B></FONT></A></DIV></DIV><!--=B9=E3=B8=E6=B4=FA=C2=EB=
=BF=AA=CA=BC-->
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document.write("<script =
src=3D\"http://vd.yesky.com/html/"+ad_cid+"/"+ad_cid+"_c-scolumn.js\"><\/=
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document.getElementById("ad1").innerHTML=3Ddocument.getElementById("span_=
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