(1)hibenrate入门例子
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(1)hibenrate入门例子
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1 結構圖
2 代碼
User.java
package com.learning;import java.util.Date;public class User {private int id;private String name;private Date birthday;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 Date getBirthday() {return birthday;}public void setBirthday(Date birthday) {this.birthday = birthday;}}
hibernate.cfg.xml <!DOCTYPE hibernate-configuration PUBLIC"-//Hibernate/Hibernate Configuration DTD 3.0//EN""http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"><!--聲明Hibernate配置文件的開始--> <hibernate-configuration><session-factory><!-- Database connection settings --><property name="connection.driver_class">com.mysql.jdbc.Driver</property><property name="connection.url">jdbc:mysql://localhost/hibernate</property><property name="connection.username">root</property><property name="connection.password">root</property><!-- JDBC connection pool (use the built-in) --><!-- <property name="connection.pool_size">1</property> --><!-- SQL dialect --><property name="dialect">org.hibernate.dialect.MySQLDialect</property><!-- Echo all executed SQL to stdout --><property name="show_sql">true</property><!-- Drop and re-create the database schema on startup --><property name="hbm2ddl.auto">update</property><mapping resource="com/learning/User.hbm.xml"/> </session-factory> </hibernate-configuration>
UserTest.java package com.learning;import java.util.Date;import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.cfg.Configuration;public class UserTest {public static void main(String[] args) {User user = new User();user.setName("user name");user.setBirthday(new Date());Configuration cfg = new Configuration();SessionFactory sf = cfg.configure().buildSessionFactory();Session session = sf.openSession();session.beginTransaction();session.save(user);session.getTransaction().commit();session.close();sf.close(); }}
3 運行UserTest數據庫會插入一條數據
總結
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