queryreader.java

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package com.ivan.menu;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Vector;

import com.ivan.db.Database;

public class QueryReader
{

	public static Vector<String> getReaderInfo(String id)
	{
		Vector<String> v = new Vector<String>();
		String sql="select * from reader where readerId='"+id+"'";
		Connection connection;
		ResultSet rs=null;
		connection = Database.getConnection();            //建立数据库连接
		Statement stmt=null;
		
		try 
		{
			stmt= connection.createStatement();
			rs=stmt.executeQuery(sql);
			while(rs.next())
			{
				for(int i=1;i<=5;i++)						
					v.addElement(rs.getString(i));
			}
			return v;
		} 
		catch (SQLException e) 
		{
			
			e.printStackTrace();
		}

		finally
		{
			try 
			{
				connection.close();
			} 
			catch (SQLException e)
			{
				
				e.printStackTrace();
			}
        }

	return null;
		
	}
		
	
}