1.新建一個maven項目HibernateDemo
2.編寫pom.xml文件
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.meterbox</groupId>
<artifactId>HibernateDemo</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>HibernateDemo Maven Webapp</name>
<url>http://maven.apache.org</url>
<!-- 屬性配置 -->
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<log4j.version>1.2.17</log4j.version>
<mysql.version>5.1.30</mysql.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<!-- 添加Hibernate依賴 -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>3.6.10.Final</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.6.1</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-nop</artifactId>
<version>1.6.4</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.2</version>
</dependency>
<!-- 添加javassist -->
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.11.0.GA</version>
</dependency>
<!-- jsp頁面的jar -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.0.1</version>
</dependency>
<!-- 日誌 -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.2</version>
</dependency>
</dependencies>
<build>
<finalName>HibernateDemo</finalName>
</build>
</project>
3.編寫Person類
public class Person {
private String id;
private String name;
private int age;
private List<String> schools = new ArrayList<String>();
//getter setter方法。。。。
}
4.編寫Person.hbm.xml
<?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">
<hibernate-mapping package="cn.edu.hpu.collection.model">
<class name="Person" table="table_person">
<id name="id" type="java.lang.String">
<generator class="uuid" />
</id>
<property name="name" type="java.lang.String">
</property>
<property name="age" type="java.lang.Integer">
</property>
<list name="schools" table="table_schools">
<!-- 外鍵 -->
<key column="personid" not-null="true"></key>
<!-- 映射集合屬性數據表的集合索引列 -->
<list-index column="list_order" />
<element type="string" column="school_name"></element>
</list>
</class>
</hibernate-mapping>
5.編寫hibernate.cfg.xml文件
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="connection.driver_class">
com.mysql.jdbc.Driver
</property>
<property name="connection.url">jdbc:mysql://localhost:3306/zhjdata?useUnicode=true&characterEncoding=UTF-8</property>
<property name="connection.username">root</property>
<property name="connection.password">123456</property>
<!-- 顯示SQL語句 -->
<property name="show_sql">true</property>
<property name="format_sql">true</property>
<!-- 根據需要自動創建數據庫 -->
<property name="hbm2ddl.auto">update</property>
<!-- 定義方言 -->
<property name="dialect">
org.hibernate.dialect.MySQL5Dialect
</property>
<!-- 指定連接池裏最大連接數 -->
<property name="hibernate.c3p0.max_size">20</property>
<!-- 指定連接池裏最小連接數 -->
<property name="hibernate.c3p0.min_size">1</property>
<!-- 指定連接池裏連接的超時時長 -->
<property name="hibernate.c3p0.timeout">5000</property>
<!-- 指定連接池裏最大緩存多少個Statement對象 -->
<property name="hibernate.c3p0.max_statements">100</property>
<property name="hibernate.c3p0.idle_test_period">3000</property>
<property name="hibernate.c3p0.acquire_increment">2</property>
<property name="hibernate.c3p0.validate">true</property>
<mapping resource="cn/edu/hpu/collection/model/Person.hbm.xml"/>
</session-factory>
</hibernate-configuration>
6.編寫HibernateUtil類
package cn.edu.hpu.util;
import org.apache.log4j.Logger;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
public class HibernateUtil {
/** ThreadLocal Session Map */
public static final ThreadLocal<Session> SESSIONMAP = new ThreadLocal<Session>();
private static final SessionFactory sessionFactory;
private static final Logger LOGGER = Logger.getLogger("appender2");
static {
try {
LOGGER.debug("HibernateUti.static - loading cofig");
sessionFactory = new Configuration().configure("hibernate.cfg.xml")
.buildSessionFactory();
LOGGER.debug("HibernateUtil.static - end");
} catch (Throwable ex) {
ex.printStackTrace();
LOGGER.error("HibernateUti error : ExceptionInInitializerError");
throw new ExceptionInInitializerError(ex);
}
}
private HibernateUtil() {
}
public static Session getSession() throws HibernateException {
Session session = SESSIONMAP.get();
if (session == null) {
session = sessionFactory.openSession();
SESSIONMAP.set(session);
}
return session;
}
public static void closeSession() throws HibernateException {
Session session = SESSIONMAP.get();
SESSIONMAP.set(null);
if (session != null) {
session.close();
}
}
}
7.配置日誌文件log4j.properties
# 1.\u6587\u672C\u683C\u5F0F
# set level
log4j.rootLogger=debug,appender2
# output into file
log4j.appender.appender2=org.apache.log4j.FileAppender
# file direct
# text file
log4j.appender.appender2.File=D:/data/logs/Log4JDemo02.log
# output style
log4j.appender.appender2.layout=org.apache.log4j.TTCCLayout
8.編寫測試類PersonManger
package cn.edu.hpu.test;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.junit.Test;
import cn.edu.hpu.collection.model.Person;
import cn.edu.hpu.util.HibernateUtil;
public class PersonManger {
@Test
public void testSave() {
Session session = HibernateUtil.getSession();
Transaction trans = session.beginTransaction();
Person p = new Person();
p.setAge(29);
p.setName("zhangHJ");
List<String> schools = new ArrayList<String>();
schools.add("小學");
schools.add("中學");
schools.add("大學");
p.setSchools(schools);
session.save(p);
trans.commit();
HibernateUtil.closeSession();
}
}
10.結果顯示