CREATE TABLE `cst_customer` (
  `cust_id` bigint(32) NOT NULL AUTO_INCREMENT COMMENT ‘客户编号(主键)‘,
  `cust_name` varchar(32) NOT NULL COMMENT ‘客户名称(公司名称)‘,
  `cust_source` varchar(32) DEFAULT NULL COMMENT ‘客户信息来源‘,
  `cust_industry` varchar(32) DEFAULT NULL COMMENT ‘客户所属行业‘,
  `cust_level` varchar(32) DEFAULT NULL COMMENT ‘客户级别‘,
  `cust_phone` varchar(64) DEFAULT NULL COMMENT ‘固定电话‘,
  `cust_mobile` varchar(16) DEFAULT NULL COMMENT ‘移动电话‘,
  PRIMARY KEY (`cust_id`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;

package com.turtle.dao;

import java.io.Serializable;

public class Customer implements Serializable {

    // 客户编号(主键)
    private Long cust_id;
    // 客户名称(公司名称)
    private String cust_name;
    // 客户信息来源
    private String cust_source;
    // 客户所属行业
    private String cust_industry;
    // 客户级别
    private String cust_level;
    // 固定电话
    private String cust_phone;
    // 移动电话
    private String cust_mobile;

    public Long getCust_id() {
        return cust_id;
    }

    public void setCust_id(Long cust_id) {
        this.cust_id = cust_id;
    }

    public String getCust_name() {
        return cust_name;
    }

    public void setCust_name(String cust_name) {
        this.cust_name = cust_name;
    }

    public String getCust_source() {
        return cust_source;
    }

    public void setCust_source(String cust_source) {
        this.cust_source = cust_source;
    }

    public String getCust_industry() {
        return cust_industry;
    }

    public void setCust_industry(String cust_industry) {
        this.cust_industry = cust_industry;
    }

    public String getCust_level() {
        return cust_level;
    }

    public void setCust_level(String cust_level) {
        this.cust_level = cust_level;
    }

    public String getCust_phone() {
        return cust_phone;
    }

    public void setCust_phone(String cust_phone) {
        this.cust_phone = cust_phone;
    }

    public String getCust_mobile() {
        return cust_mobile;
    }

    public void setCust_mobile(String cust_mobile) {
        this.cust_mobile = cust_mobile;
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
    <!-- 建立类与表的映射 -->
    <class name="com.turtle.dao.Customer" table="cst_customer">
        <!-- 建立类中的属性与表中的主键对应 -->
        <id name="cust_id" column="cust_id" >
            <generator class="native"/>
        </id>

        <!-- 建立类中的普通的属性和表的字段的对应 -->
        <property name="cust_name" column="cust_name" length="32" />
        <property name="cust_source" column="cust_source" length="32"/>
        <property name="cust_industry" column="cust_industry"/>
        <property name="cust_level" column="cust_level"/>
        <property name="cust_phone" column="cust_phone"/>
        <property name="cust_mobile" column="cust_mobile"/>
    </class>
</hibernate-mapping>

<?xml version="1.0" encoding="UTF-8"?>
<!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>
        <!-- 连接数据库的基本参数 -->
        <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="hibernate.connection.url">jdbc:mysql:///hibernate_demo</property>
        <property name="hibernate.connection.username">root</property>
        <property name="hibernate.connection.password">root</property>
        <!-- 配置Hibernate的方言 -->
        <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>

        <!-- 可选配置================ -->
        <!-- 打印SQL -->
        <property name="hibernate.show_sql">true</property>
        <!-- 格式化SQL -->
        <property name="hibernate.format_sql">true</property>
        <!-- 自动创建表 -->
        <property name="hibernate.hbm2ddl.auto">update</property>

        <!-- 配置C3P0连接池 -->
        <property name="hibernate.connection.provider_class">org.hibernate.c3p0.internal.C3P0ConnectionProvider</property>
        <!--在连接池中可用的数据库连接的最少数目 -->
        <property name="c3p0.min_size">5</property>
        <!--在连接池中所有数据库连接的最大数目  -->
        <property name="c3p0.max_size">20</property>
        <!--设定数据库连接的过期时间,以秒为单位,
        如果连接池中的某个数据库连接处于空闲状态的时间超过了timeout时间,就会从连接池中清除 -->
        <property name="c3p0.timeout">120</property>
        <!--每3000秒检查所有连接池中的空闲连接 以秒为单位-->
        <property name="c3p0.idle_test_period">3000</property>

        <mapping resource="com/turtle/dao/Customer.hbm.xml"/>
    </session-factory>
</hibernate-configuration>

package com.turtle.test;

import com.turtle.dao.Customer;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;


public class TestCustomer {
    public static  void main(String [] args){
        // 1、加载配置文件
        Configuration configuration = new Configuration().configure();
        // 2、创建一个SessionFactory对象
        SessionFactory sessionFactory = configuration.buildSessionFactory();
        // 3、创建Session对象
        Session session = sessionFactory.openSession();
        // 4、开启事务
        Transaction transaction = session.beginTransaction();
        try{
            Customer customer = new Customer();
            customer.setCust_name("测试用户1");
            // 调用Hibernate自带的API来进行保存操作
            session.save(customer);
            // 提交事务
            transaction.commit();
        }catch (Exception e){
            e.printStackTrace();
            // 回滚事务
            transaction.rollback();
        }finally {
            // 关闭连接
            session.close();
        }
    }
}