database.java

来自「JAVA图书管理软件源码,是我师兄亲自参与编的毕业设计」· Java 代码 · 共 43 行

package com.ivan.db;


import java.sql.*;

public class Database 
{
	
	private static String url;	
	private static String driver;	
	private static String username;	
	private static String password;

	
	public synchronized static java.sql.Connection getConnection()
	{
		Connection con = null;
		
		driver="com.mysql.jdbc.Driver";
		url="jdbc:mysql://localhost/program";
		username="program";
		password="program";
		
		try {
			 Class.forName(driver);
			 con = DriverManager.getConnection(url, username, password);
			
			 return con;
		   }
		catch (ClassNotFoundException e)
		{
			e.printStackTrace();
		}
		catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	
	    return null;
	}
}