ud.jsp

这是用JSP+ACESS构建的网上购物系统,适合JSP初学者.

<%@page contentType="text/html;charset=GBK" %>
<% request.setCharacterEncoding("GBK"); %>
<%!
	String id="";
	String sql="";
	String qunty_tmp="";
%>
<% 
	if(request.getParameter("quantity")!=null){
	String quantity=request.getParameter("quantity");
	session.setAttribute("quantity"+id,quantity);
%><jsp:forward page="cart.jsp"/>
<%
	}else{
			if(request.getParameter("id")==null){
				out.println("参数获取失败！");
			}else{
				id=request.getParameter("id");
				qunty_tmp=String.valueOf(session.getAttribute("quantity"+id));
			}
%><style type="text/css">
<!--
body {
	background-color: #FFFFCC;
}
-->
</style>
<CENTER>
<BR><BR><BR>
<FORM METHOD=POST ACTION="ud.jsp">
<TABLE>
<TR bgcolor=#FFCCFF>
	<TD>商品名称：</TD>
	<TD><%=session.getAttribute("shop"+id)%></TD>
</TR>
<TR bgcolor=#33CCFF>
	<TD>单价：</TD>
	<TD><%=session.getAttribute("price"+id)%></TD>
</TR>
<TR>
	<TD>您所需数量(输入数量须小于库存)：</TD>
	<TD><input type="text" name="quantity" value=<%=session.getAttribute("quantity"+id)%>></TD>
</TR>
</TABLE>
<input type="submit" value="确 定">
</FORM>
</CENTER>
<%}%>