每个hibernate只会启动的时候引入一个文件,那就是:hibernate.cfg.xmlmapping需要我们在hibernate中引入,
<mapping resource="com/hibernate/test/hibernate_IP.xml"/> <mapping class="com.hibernate.test.Student"/>代码片段:
<?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 package="com.hibernate.test"> <class name="IP_List" table="IP_LIST"> <id name="ip" column="Ip"> <generator class="native"></generator> </id> <property name="Status" column="Status"></property> </class> </hibernate-mapping> class标签 对应的name为Java实体类 table为表名; id为主键 主键自增策略:<generator class="native"></generator> native会根据不同数据库 采取不同的自增策略 <property>标签对应数据库中的字段 column package com.hibernate.test; import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.Table; @Entity @Table(name="Student") public class Student { private int id; private String name; /** * id * * @return the id * @since CodingExample Ver(编码范例查看) 1.0 */ @Id @GeneratedValue public int getId() { return id; } /** * * @param id * the id to set */ public void setId(int id) { this.id = id; } /** * name * * @return the name * @since CodingExample Ver(编码范例查看) 1.0 */ @Column(name="name") public String getName() { return name; } /** * * @param name * the name to set */ public void setName(String name) { this.name = name; } } 实体类添加注解:@Entity 对应的表为@Table 主键为@ID 自增策略配置:@GeneratedValue @Column 注解对应为数据库中的字段 相关资源:敏捷开发V1.0.pptx