bookclassupdate.jsp

简单实现的商品购物系统

<%@ page contentType="text/html; charset=GBK" %>
<jsp:useBean id="my" scope="page" class="bookshop.BookClassBean"/>

<%

   String action =request.getParameter("action");
   String str="";
   int dd=0;
   if(action.equals("add"))
   {
       String classname =request.getParameter("classname");
     str=" insert into  bookclass values('"+classname+"')";
   }
   else
   {
     String id =request.getParameter("id");
     str=" delete bookclass where bookclassno="+id;
   }
   dd= my.exeBook(str);
%>
<script type="">
alert("类别更新成功!"+<%=dd%>);
location.href="admin_main.jsp";
</script>