在我的jsp文件里添加这两行都不行??告诉请看!
原来的是没有问题的:
<%@ page language="java" import="java.sql.*" %>
<%@ page contentType="text/html;charset=gb2312"%>
<html>
<body>
<jsp:useBean id = "testBean" class ="mypackage.firm" scope = "page"/>
<%
String sql1="select * from user_inf";
ResultSet rs=testBean.executequery(sql1);
%>
<%while(rs.next()){%>
<%out.print(rs.getString(1));
out.print(rs.getString(2));
out.print(rs.getString(3));
out.println("<br>");
%>
<%}
rs.first();
rs.last();
testBean.close();%>
</body>
</html>
****但是我想查一下记录的总数!添加了****
rs.last();
int totaluser=rs.getRow();
out.print("总共有"+totaluser+"个用户");
高手请帮忙!谢谢!