package com.bjsxt.hibernate; public enum Gender { MALE, FEMALE }

package com.bjsxt.hibernate; import java.util.Date; import javax.persistence.Entity; import javax.persistence.EnumType; import javax.persistence.Enumerated; import javax.persistence.Id; import javax.persistence.Table; import javax.persistence.Temporal; import javax.persistence.TemporalType; import javax.persistence.Transient; @Entity @Table(name="_teacher") public class Teacher { private int id; private String name; private String title; private String yourWifeName; private Date birthDate; private boolean good; private Gender gender; @Enumerated(EnumType.STRING)//枚举类型映射 public Gender getGender() { return gender; } public void setGender(Gender gender) { this.gender = gender; } public boolean isGood() { return good; } public void setGood(boolean good) { this.good = good; } @Transient//非持久化属性 public String getYourWifeName() { return yourWifeName; } public void setYourWifeName(String yourWifeName) { this.yourWifeName = yourWifeName; } @Id 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 String getTitle() { return title; } public void setTitle(String title) { this.title = title; } @Temporal(TemporalType.TIME)//日期类型映射 public Date getBirthDate() { return birthDate; } public void setBirthDate(Date birthDate) { this.birthDate = birthDate; } }

package com.bjsxt.hibernate; public class Student { private int id; private String name; private int age; private String sex; private boolean good; public boolean isGood() { return good; } public void setGood(boolean good) { this.good = good; } 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; } public String getSex() { return sex; } public void setSex(String sex) { this.sex = sex; } }

<?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping> <class name="com.bjsxt.hibernate.Student" table="_student"> <id name="id" /> <property name="name" /> <property name="age" /> <property name="sex" /> <property name="good" type="yes_no"></property> </class> </hibernate-mapping>