jsp中cannot be resolved

2025-02-25 15:53:39
推荐回答(1个)
回答1:

改成


<%
//是否登陆
String usr=(String)session.getValue("user_name");
if(usr!=null && !usr.equals(""))
{
String name=(String)session.getAttribute("user_name");
String sql="select * from member where user_name='"+name+"'";
//ResultSet rs=null;
rs=stmt.executeQuery(sql);
if(rs.next()){
%>