CREATE DATABASE test;
USE test;
CREATE TABLE t_user(
ID INT AUTO_INCREMENT PRIMARY KEY,
NAME VARCHAR(20),
AGE int);
insert into testHibernate(NAME,AGE) VALUES
('張三',20),
('李四',21),
('王五',22)

package entity;

public class User {
    private int id;
    private String name;
    private int age;

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }
}

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
	"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
	"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
    <class name="entity.User" table="t_user"><!-- name選擇剛才的實(shí)體類，table寫上實(shí)體類對應(yīng)表格的名字 -->
        <id name="id" column="id"><!-- id是實(shí)體類屬性的名字，column是表格中與實(shí)體類對應(yīng)的列名（如果id和column一樣可以省略column） -->
            <generator class="native"/>
        </id>
        <property name="name" column="name"/>
        <property name="age" column="age"/>
    </class>
</hibernate-mapping>

<!DOCTYPE hibernate-configuration PUBLIC
	"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
	"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
	<session-factory>
		<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property><!-- 方言模式，不同的數(shù)據(jù)庫用不同的方言，里面的值要寫全，下面會給出一個(gè)表 -->
		<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property><!-- mysql驅(qū)動 -->
		<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/test?serverTimezone=Asia/Shanghai</property><!-- 數(shù)據(jù)庫連接，填上面IDEA連數(shù)據(jù)庫的那個(gè)界面里的URL -->
		<property name="hibernate.connection.username">root</property><!-- MySQL用戶名 -->
		<property name="hibernate.connection.password">123456</property><!-- MySLQ密碼 -->
		<property name="show_sql">true</property>
		<mapping resource="entity/user.hbm.xml"/><!-- 選擇User的配置文件 -->
	</session-factory>
</hibernate-configuration>

package dao;

import entity.User;
import org.hibernate.*;
import org.hibernate.cfg.Configuration;

public class manageUser {
    public static void main(String[] args){
        Configuration cfg = null;
        SessionFactory sf = null;
        Session session = null;
        Transaction ts = null;
        User u = new User();
        u.setName("趙六");
        u.setAge(66);
        try {
            cfg = new Configuration().configure();
            sf = cfg.buildSessionFactory();
            session = sf.openSession();
            ts = session.beginTransaction();
            session.save(u);
            ts.commit();
        }catch (HibernateException e){
            e.printStackTrace();
            if(ts != null){
                ts.rollback();
            }
        }finally {
            session.close();
            sf.close();
        }
    }
}