d07ef1ff7bd2001d1e59f1bdb653bf4a

来自「JSP+SERVLE源码 JSP+SERVLE源码」· 代码 · 共 26 行

package com.dao;

import com.Conn;
import java.sql.*;

public class Dao {
	Conn conn=new Conn();
	Statement stmt = null;

	stmt=con.createStatement();
	public ResultSet select(String sql){
		Connection con = conn.getCon();
		ResultSet rs = null;
		rs = stmt.executeQuery(sql);
		rs.close();
		stmt.close();
		con.close();
		
		return rs;
	}	
	public void add(String sql){
		
	}
}