我需要一次我执行的SQL语句如何在执行sql命令后触发警报?
后successfuly添加产品得到警告我试试这个,但没有任何警告信息将产品成功地
<%@include file="connection.jsp" %>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body>
<%
String dbpname = request.getParameter("pname");
String dbpid = request.getParameter("pid");
String dbptype = request.getParameter("ptype");
String dbaddress = request.getParameter("address");
String dbaddress1 = request.getParameter("address1");
String dbpquat = request.getParameter("pquat");
String dbpcost = request.getParameter("pcost");
PreparedStatement ps=conn.prepareStatement("insert into PRODUCT values(?,?,?,?,?,?,?,0,0)");
ps.setString(1,dbpname);
ps.setString(2,dbpid);
ps.setString(3,dbptype);
ps.setString(4,dbaddress);
ps.setString(5,dbaddress1);
ps.setString(6,dbpquat);
ps.setString(7,dbpcost);
int i=ps.executeUpdate();
if(i!=0)
{
{ %>
<script> alert("added sucessfully");</script>; <%
response.sendRedirect("AddProducts.jsp");}
%>
</body>
</html>
你的提醒信息将会消失入佳境,因为您重定向立刻算账,所以从来没有时间去证明这一点。您可以在AddProducts中显示警报。 – maraca