摘要： 1、比较常用try{ Class.forName("com.mysql.jdbc.Driver");//加载数据库驱动 String url="jdbc:mysql://localhost:3306/databasename";//数据库连接子协议 Connection conn=DriverManager.getConnection(url,"username","password"); Statement stmt=conn.createStatement(); ResultSet rs=stmt.execut 阅读全文