dbhelper.java

财务管理系统

package org.fms.util;

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

public class DBHelper {
	private static final String driver = "com.microsoft.sqlserver.jdbc.SQLServerDriver";
	private static final String url="jdbc:sqlserver://localhost:1433;databasename=FMS";
	private static final String name ="sa";
	private static final String pwd="sa";
	private static Connection conn=null;

	public static Connection getConnection(){
		
		try {
			Class.forName(driver);
			conn=DriverManager.getConnection(url, name, pwd);
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return conn;
	}
	
	public static void closeConnection(){
		if(conn!=null){
			try {
				conn.close();
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}
}