public class DbUtil {
    public static final String URL = "jdbc:mysql://localhost:3306/imooc";
    public static final String USER = "liulx";
    public static final String PASSWORD = "123456";
    private static Connection conn = null;
    static{
        try {
            //1.加载驱动程序
            Class.forName("com.mysql.jdbc.Driver");
            //2. 获得数据库连接
            conn = DriverManager.getConnection(URL, USER, PASSWORD);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

    public static Connection getConnection(){
        return conn;
    }
}

//模型
package liulx.model;

import java.util.Date;

public class Goddess {

    private Integer id;
    private String user_name;
    private Integer sex;
    private Integer age;
    private Date birthday; //注意用的是java.util.Date
    private String email;
    private String mobile;
    private String create_user;
    private String update_user;
    private Date create_date;
    private Date update_date;
    private Integer isDel;
    //getter setter方法。。。
}

//---------dao层--------------
package liulx.dao;