java - 找不到 JDBC 驱动程序

Question

try
        {
            String userName = "root";
            String password = "";
            //<facility> is my database
            String url = "jdbc:mysql://localhost/facility";
            Class.forName ("com.mysql.jdbc.Driver").newInstance ();
            conn = DriverManager.getConnection (url, userName, password);
            System.out.println ("Database connection established");
        }
        catch (Exception e)
        {
            System.out.println ("Cannot connect to database server " +e.getClass().getName());

        }

输出> 无法连接到数据库服务器 java.lang.ClassNotFoundException

Answer 1

看来您应该将 MySQL 驱动程序 jar 放入您的类路径中。