1. 连接数据库

package com.reviewjdbc;


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

public class demo02 {
    //数据库地址
    private static String dbUrl = "jdbc:mysql://localhost:3306/db_book";
    //用户名
    private static String dbUserName = "root";
    //密码
    private static String dbPassword = "123456";
    //驱动名称
    private static String jdbcName = "com.mysql.jdbc.Driver";

    public static void main(String[] args) {
        /** 1.
         *  加载数据驱动
         */
        try {
            Class.forName(jdbcName);
            System.out.println("驱动加载成功.");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
            System.out.println("驱动加载失败.");
        }

        /** 2.
         *  获取数据库连接
         */
        Connection con = null;
        try {
            con = DriverManager.getConnection(dbUrl,dbUserName,dbPassword);
            System.out.println("获取数据库连接成功！");
            System.out.println("进行数据库操作.");
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            try {
                con.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }


    }
}