(jsp简易水果店.docVIP

Shop.jsp %@ page contentType=text/html;charset=GB2312% HTMLBODY H1水果店/H1 A href=apple.jsp苹果 BRA href=banana.jsp香蕉 BRA href=orange.jsp橘子 FORM action=sum.jsp method=post name=form Input type=submit value=去结算 name=submit /FORM /BODY/HTML Apple.jsp %@ page contentType=text/html;charset=GB2312% HTMLBODY H2苹果/H2 P单价：1元/个 P数量： FORM action= method=post name=form Input type=text name=Applenum BRInput type=submit value=加入购物车 name=submit a href=sum.jsp去结算/a/BR /FORM % String Applenum=request.getParameter(Applenum); if(Applenum==null){ Applenum=; } else{ session.setAttribute(Anum,Applenum); } % /BODY/HTML Banana.jsp %@ page contentType=text/html;charset=GB2312% HTMLBODY H2香蕉/H2 P单价：2元/个 P数量： FORM action= method=post name=form Input type=text name=Banananum BRInput type=submit value=加入购物车 name=submit a href=sum.jsp去结算/a/BR /FORM % String Banananum=request.getParameter(Banananum); if(Banananum==null){ Banananum=; } else{ session.setAttribute(Bnum,Banananum); } % /BODY/HTML Orange.jsp %@ page contentType=text/html;charset=GB2312% HTMLBODY H2橘子/H2 P单价：3元/个 P数量： FORM action= method=post name=form Input type=text name=Orangenum BRInput type=submit value=加入购物车 name=submit a href=sum.jsp去结算/a/BR /FORM % String Orangenum=request.getParameter(Orangenum); if(Orangenum==null){ Orangenum=; } else{ session.setAttribute(Onum,Orangenum); } % /BODY/HTML sum.jsp %@ page contentType=text/html;charset=GB2312% %@ page import=java.util.* % HTMLBODY H2您购买了以下产品：/H2 % String Anum=(String)session.getAttribute(Anum); String Bnum=(String)session.getAttribute(Bnum); String Onum=(String)session.getAttribute(Onum); int a,b,o; if(Anum==null) {a=0;} else {a=Integer.parseInt(Anum);} if(Bnum==null) {b=0;} else {b=Integer.parseInt(Bnu