submit_mod.jsp

一个简单的网上商店系统

<%@ page contentType="text/html;charset=gb2312"%>
<jsp:useBean id="goods" class="JavaBean.Goods" scope="session"/>
<jsp:useBean id="db_goods" class="JavaBean.DB_goods" scope="session"/>

<%!
     public int str2int(String str)
     {
         int ispreferred;
         if(str!="Yes")
         {
             ispreferred=0;
         }
         else
         {
             ispreferred=1;
         }
         return ispreferred;
     }
%>
<%   //获得传递过来的参数
     String id=request.getParameter("id");
     String goods_name=request.getParameter("goods_name");
     String type_id=request.getParameter("typeid");
     String price=request.getParameter("goods_price");
     String discount=request.getParameter("goods_discount");
     String goods_desc=request.getParameter("goods_desc");
     String supplier=request.getParameter("supplier");
     String goods_qty=request.getParameter("qty");
     String preferred=request.getParameter("ispreferred");
     String goods_pic=request.getParameter("goods_pic");
     
     int goods_id=Integer.parseInt(id);
     int typeid=Integer.parseInt(type_id);
     float goods_price=Float.parseFloat(price);
     float goods_discount=Float.parseFloat(discount);
     int qty=Integer.parseInt(goods_qty); 
     int i;
     
     goods.setGoods_id(goods_id);
     goods.setGoods_name(goods_name);
     goods.setTypeid(typeid);
     goods.setGoods_price(goods_price);
     goods.setGoods_discount(goods_discount);
     goods.setGoods_desc(goods_desc);
     goods.setSupplier(supplier);
     goods.setQty(qty);
     goods.setIspreferred(str2int(preferred));
     goods.setGoods_pic(goods_pic);
   
     //调用goods_update函数更新数据表goods
     i=db_goods.goods_update(goods);
     if(i==-1||i==-2)
     {
        out.print("<br><hr width=85% color='#000032'><br>");
        out.print("<center>修改失败，请返回重新进行设置！</center>");
        out.print("<br><center><a href='modify_goods.jsp'>返回</a></center>");
     }
     else
     {
        out.print("<br><hr width=85% color='#000032'><br>");
        out.print("<center>你所需修改商品信息已经被成功存入数据库中！</center>");
        out.print("<br><center><a href='goods_list.jsp'>返回主页</a></center>");
     }
%>