实体类：
package domain;public class Customer { ???????private Long cust_id; ???private String cust_name; ???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 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; ???} ???@Override ???public String toString() { ???????return "Customer [cust_id=" + cust_id + ", cust_name=" + cust_name + "]"; ???}}ORM元数据配置文件：
<?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"> ??<!-- 配置表与实体对象的关系 --> ??<!-- package属性:填写一个包名.在元素内部凡是需要书写完整类名的属性,可以直接写简答类名了. --><hibernate-mapping package="domain" > ???<!-- ???????? class元素: 配置实体与表的对应关系的 ????????????name: 完整类名 ????????????table:数据库表名 ????--> ???<class name="Customer" table="cst_customer" > ???????<!-- id元素:配置主键映射的属性 ???????????????name: 填写主键对应属性名 ???????????????column(可选): 填写表中的主键列名.默认值:列名会默认使用属性名 ???????????????type(可选):填写列(属性)的类型.hibernate会自动检测实体的属性类型. ???????????????????????每个类型有三种填法: java类型|hibernate类型|数据库类型 ???????????????not-null(可选):配置该属性(列)是否不能为空. 默认值:false ???????????????length(可选):配置数据库中列的长度. 默认值:使用数据库类型的最大长度 ????????--> ???????<id name="cust_id" ?> ???????????<!-- generator:主键生成策略（后边介绍） --> ???????????<generator class="native"></generator> ???????</id> ???????<!-- property元素:除id之外的普通属性映射 ???????????????name: 填写属性名 ???????????????column(可选): 填写列名 ???????????????type(可选):填写列(属性)的类型.hibernate会自动检测实体的属性类型. ???????????????????????每个类型有三种填法: java类型|hibernate类型|数据库类型 ???????????????not-null(可选):配置该属性(列)是否不能为空. 默认值:false ???????????????length(可选):配置数据库中列的长度. 默认值:使用数据库类型的最大长度 ????????--> ???????<property name="cust_name" column="cust_name" ></property> ???????<property name="cust_source" column="cust_source" ></property> ???????<property name="cust_industry" column="cust_industry" ></property> ???????<property name="cust_level" column="cust_level" ></property> ???????<property name="cust_linkman" column="cust_linkman" ></property> ???????<property name="cust_phone" column="cust_phone" ></property> ???????<property name="cust_mobile" column="cust_mobile" ></property> ???</class></hibernate-mapping>
核心配置文件：
hibernate.cfg.xml:
<?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> ????????<!-- 数据库驱动 --> ???????<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property> ????????<!-- 数据库url --> ???????<property name="hibernate.connection.url">jdbc:mysql:///hibernate</property> ????????<!-- 数据库连接用户名 --> ???????<property name="hibernate.connection.username">root</property> ????????<!-- 数据库连接密码 --> ???????<property name="hibernate.connection.password">xuyiqing</property> ???????<!-- 数据库方言 ???????????不同的数据库中,sql语法略有区别. 指定方言可以让hibernate框架在生成sql语句时.针对数据库的方言生成. ???????????sql99标准: DDL 定义语言 ?库表的增删改查 ?????????????????????DCL 控制语言 ?事务 权限 ?????????????????????DML 操纵语言 ?增删改查 ???????????注意: MYSQL在选择方言时,请选择最短的方言. ????????--> ???????<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property> ???????????????????????<!-- #hibernate.show_sql true ?????????????#hibernate.format_sql true ???????--> ???????<!-- 将hibernate生成的sql语句打印到控制台 --> ???????<property name="hibernate.show_sql">true</property> ???????<!-- 将hibernate生成的sql语句格式化(语法缩进) --> ???????<property name="hibernate.format_sql">true</property> ???????<!-- ????????## auto schema export ?自动导出表结构. 自动建表 ???????#hibernate.hbm2ddl.auto create ???????自动建表.每次框架运行都会创建新的表.以前表将会被覆盖,表数据会丢失.(开发环境中测试使用) ???????#hibernate.hbm2ddl.auto create-drop 自动建表.每次框架运行结束都会将所有表删除.(开发环境中测试使用) ???????#hibernate.hbm2ddl.auto update(推荐使用) 自动生成表.如果已经存在不会再生成.如果表有变动.自动更新表(不会删除任何数据). ???????#hibernate.hbm2ddl.auto validate ???校验.不自动生成表.每次启动会校验数据库中表是否正确.校验失败. ????????--> ???????<property name="hibernate.hbm2ddl.auto">update</property> ???????<!-- 引入orm元数据 ???????????路径书写: 填写src下的路径 ????????--> ???????<mapping resource="domain/Customer.hbm.xml" /> ???????????</session-factory></hibernate-configuration>
hibernate框架学习笔记2：配置文件详解
原文地址：https://www.cnblogs.com/xuyiqing/p/8445877.html