Java 数据库问题
在下面给出的代码中,我没有得到任何输出。如果我给出连接成功声明,我会得到,但不会得到计数。请帮帮我Java 数据库问题,java,jsp,jdbc,Java,Jsp,Jdbc,在下面给出的代码中,我没有得到任何输出。如果我给出连接成功声明,我会得到,但不会得到计数。请帮帮我 <%@ page import="java.sql.*"%> <%@ page import="java.io.*"%> <% try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); Connection con = DriverManager.getConnection("jdbc:odbc:ge","ge",
<%@ page import="java.sql.*"%>
<%@ page import="java.io.*"%>
<%
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con = DriverManager.getConnection("jdbc:odbc:ge","ge","ge");
Statement st=con.createStatement();
//String sql=("select count(*) from employees where status='Present'");
//out.println("Number of present days"+sql);
ResultSet rs = null;
rs = st.executeQuery("select count(*) from employees where status='Present'");
//out.println("connection success");
st.executeQuery("select count(*) from employees where status='Present'");
con.close();
}
catch(Exception e)
{
out.println(""+e);
}
%>
您需要打印它
int rowcount = resultSet.getInt(1);
out.println(i);
你需要把它打印出来
int rowcount = resultSet.getInt(1);
out.println(i);
你可以随时向上投票,并通过单击我答案附近的右符号选择答案,如果是这样:)@BalusC Ya,那么她至少可以接受它作为答案:pYou可以随时向上投票,并通过单击我答案附近的右符号选择它作为答案,如果是这样:)@BalusC Ya,那么她至少可以接受它作为答案:p