Hibernate的入门:

 1 Create database hibernate_day01; 2 Use hibernate_day01; 3 CREATE TABLE `cst_customer` ( 4 ??`cust_id` bigint(32) NOT NULL AUTO_INCREMENT COMMENT ‘客户编号(主键)‘, 5 ??`cust_name` varchar(32) NOT NULL COMMENT ‘客户名称(公司名称)‘, 6 ??`cust_user_id` bigint(32) DEFAULT NULL COMMENT ‘负责人id‘, 7 ??`cust_create_id` bigint(32) DEFAULT NULL COMMENT ‘创建人id‘, 8 ??`cust_source` varchar(32) DEFAULT NULL COMMENT ‘客户信息来源‘, 9 ??`cust_industry` varchar(32) DEFAULT NULL COMMENT ‘客户所属行业‘,10 ??`cust_level` varchar(32) DEFAULT NULL COMMENT ‘客户级别‘,11 ??`cust_linkman` varchar(64) DEFAULT NULL COMMENT ‘联系人‘,12 ??`cust_phone` varchar(64) DEFAULT NULL COMMENT ‘固定电话‘,13 ??`cust_mobile` varchar(16) DEFAULT NULL COMMENT ‘移动电话‘,14 ??PRIMARY KEY (`cust_id`)15 ) ENGINE=InnoDB AUTO_INCREMENT=94 DEFAULT CHARSET=utf8;

package com.itheima.domain;/* * 客户的javaBean * @author chenyanlong */public class Customer { ???private Long cust_id; ???private String cust_name; ???private Long cust_user_id; ???private Long cust_create_id; ???private String cust_source; ???private String cust_industry; ???private String cust_level; ???private String cust_linkman; ???private String cust_phone; ???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 Long getCust_user_id() { ???????return cust_user_id; ???} ???public void setCust_user_id(Long cust_user_id) { ???????this.cust_user_id = cust_user_id; ???} ???public Long getCust_create_id() { ???????return cust_create_id; ???} ???public void setCust_create_id(Long cust_create_id) { ???????this.cust_create_id = cust_create_id; ???} ???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_linkman() { ???????return cust_linkman; ???} ???public void setCust_linkman(String cust_linkman) { ???????this.cust_linkman = cust_linkman; ???} ???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; ???} ???}

 1 <?xml version="1.0" encoding="UTF-8"?> 2 <!DOCTYPE hibernate-mapping PUBLIC ?3 ????"-//Hibernate/Hibernate Mapping DTD 3.0//EN" 4 ????"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd"> 5 <hibernate-mapping> 6 ???<!-- 配置类和表结构的映射 --> 7 ???<class name="com.itheima.domain.Customer" table="cst_customer"> 8 ???????????<!-- 配置id 9 ???????????????name属性，JavaBean的属性10 ???????????????column属性，是表结构的字段11 ????????????-->12 ???????????<id name="cust_id" column="cust_id">13 ???????????????<!-- 只要是主键 需要有一个主键的生成策略： -->14 ????????????<generator class="native"/>15 ???????????????16 ???????????</id>17 ???????????18 ?????????<!-- 非主键的属性都使用property标签配置映射 ?name是类中的属性名 ?column表中字段名 -->19 ????????<property name="cust_name" column="cust_name"></property>20 ????????<property name="cust_user_id" column="cust_user_id"></property>21 ????????<property name="cust_create_id" column="cust_create_id"></property>22 ????????<property name="cust_source" column="cust_source"></property>23 ????????<property name="cust_industry" column="cust_industry"></property>24 ????????<property name="cust_level" column="cust_level"></property>25 ????????<property name="cust_linkman" column="cust_linkman"></property>26 ????????<property name="cust_phone" column="cust_phone"></property>27 ????????<property name="cust_mobile" column="cust_mobile"></property>28 29 ???</class>30 </hibernate-mapping>

 1 <?xml version="1.0" encoding="UTF-8"?> 2 <!DOCTYPE hibernate-configuration PUBLIC 3 ????"-//Hibernate/Hibernate Configuration DTD 3.0//EN" 4 ????"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd"> 5 ?6 <hibernate-configuration> 7 ????<!-- 记住:先配置sessionFactoryy --> 8 ?????9 ????<session-factory>10 ????????<!-- 必须的配置 -->11 ????????<!-- 配置连接数据库的基本的信息: -->12 ????????<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>13 ????????<property name="hibernate.connection.url">jdbc:mysql:///hibernate_day01</property>14 ????????<property name="hibernate.connection.username">root</property>15 ????????<property name="hibernate.connection.password">123456</property>16 ????????17 ????????<!-- 数据库的方言: -->18 ????????<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>19 ?????????20 ????????<!-- Hibernate的可选项 -->21 ????????22 ????????<!-- 加载映射 -->23 ????????<mapping resource="com/itheima/domain/Customer.hbm.xml"/>24 25 ????</session-factory>26 </hibernate-configuration>

 1 package com.itheima.test; 2 import org.hibernate.Session; 3 import org.hibernate.SessionFactory; 4 import org.hibernate.Transaction; 5 import org.hibernate.cfg.Configuration; 6 import org.junit.Test; 7 ?8 import com.itheima.domain.Customer; 9 10 /*11 ?* 测试Hibernate框架12 ?* @author chenyanlong13 ?*/14 public class Demo1 {15 16 ????@Test17 ????public void testSave(){18 ????????/*19 ?????????* 1.先加载配置文件20 ?????????* 2.创建SessionFactory对象，生成Session对象21 ?????????* 3.创建Sesison对象22 ?????????* 4.开启事务23 ?????????* 5.编写保存代码24 ?????????* 6.提交事务25 ?????????* 7.释放资源26 ?????????*/27 ????????28 ????????//1.加载配置文件29 ????????Configuration config=new Configuration();30 ????????//默认加载src目录下hibernate.cfg.xml的配置文件31 ????????config.configure();32 ????????//2.创建SessionFactory对象33 ????????SessionFactory factory=config.buildSessionFactory();34 ????????//3.创建session对象35 ????????Session session=factory.openSession();36 ????????//4.开启事务37 ????????Transaction tr= ?session.beginTransaction();38 ????????39 ????????//5.编写保存代码40 ????????Customer customer = new Customer();41 ????????customer.setCust_name("小王");42 ????????customer.setCust_source("小广告");43 44 ????????45 ????????session.save(customer);46 ????????//6.提交事务47 ????????tr.commit();48 ????????49 ????????//7.释放资源50 ????????session.close();51 ????????factory.close();52 ????}53 }