dbutil.java

动态的树型目录

package com.xial.sqlserver.util;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class DBUtil {

	static String driver;

	static String url;

	static String user;

	static String pwd;

	static {
		driver = "sun.jdbc.odbc.JdbcOdbcDriver";
		url = "jdbc:odbc:sqlserver_pubs";
		user = "sa";
		pwd = "";
	}

	public static Connection getConnection() throws InstantiationException, IllegalAccessException,
			ClassNotFoundException, SQLException {
		Class.forName(driver).newInstance();
		Connection conn = DriverManager.getConnection(url, user, pwd);
		return conn;
	}

	public static void close(ResultSet rs, Statement stmt, Connection conn) {
		try {
			if (rs != null) {
				rs.close();
			}
		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			try {
				if (stmt != null) {
					stmt.close();
				}
			} catch (SQLException e) {
				e.printStackTrace();
			} finally {
				try {
					if (conn != null) {
						conn.close();
					}
				} catch (SQLException e) {
					e.printStackTrace();
				}
			}

		}

	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {

	}

}