整合Spring框架和Hibernate框架

public class User {

private Integer uid;

private String username;

private String address;

public Integer getUid() {

return uid;

}

public
void setUid(Integer uid) {

this.uid = uid;

}

public String getUsername() {

return username;

}

public
void setUsername(String username) {

this.username = username;

}

public String getAddress() {

return address;

}

public
void setAddress(String address) {

this.address = address;

}

@Override

public String toString() {

return
"User [uid=" + uid + ", username=" + username +

", address=" + address + "]";

}

}

<!DOCTYPE hibernate-mapping PUBLIC

"-//Hibernate/Hibernate Mapping DTD 3.0//EN"

"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping>

<class
name="com.siwuxie095.entity.User"
table="t_user">

<id
name="uid"
column="uid">

<generator
class="native"></generator>

</id>

<property
name="username"
column="username"></property>

<property
name="address"
column="address"></property>

</class>

</hibernate-mapping>

<!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>

<property
name="hibernate.show_sql">true</property>

<property
name="hibernate.format_sql">true</property>

<!-- 注意：只有配置 hibernate.hbm2ddl.auto 为 update，才能自动创建表 -->

<property
name="hibernate.hbm2ddl.auto">update</property>

<property
name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>

<!--

原来的配置：

<property name="hibernate.current_session_context_class">thread</property>

在 SSH 框架整合中会报错，要么将这个配置删了，要么改成如下配置

参考链接：http://blog.csdn.net/maoyuanming0806/article/details/61417995

-->

<property
name="hibernate.current_session_context_class">

org.springframework.orm.hibernate5.SpringSessionContext

</property>

<mapping
resource="com/siwuxie095/entity/User.hbm.xml"/>

</session-factory>

</hibernate-configuration>

<beans
xmlns="http://www.springframework.org/schema/beans"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xmlns:aop="http://www.springframework.org/schema/aop"

xmlns:context="http://www.springframework.org/schema/context"

xmlns:tx="http://www.springframework.org/schema/tx"

xsi:schemaLocation="

http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans.xsd

http://www.springframework.org/schema/aop

http://www.springframework.org/schema/aop/spring-aop.xsd

http://www.springframework.org/schema/context

http://www.springframework.org/schema/context/spring-context.xsd

http://www.springframework.org/schema/tx

http://www.springframework.org/schema/tx/spring-tx.xsd">

<!-- 配置 C3P0 连接池 -->

<bean
id="dataSource"
class="com.mchange.v2.c3p0.ComboPooledDataSource">

<property
name="driverClass"
value="com.mysql.jdbc.Driver"/>

<!--

jdbc:mysql:///test_db 是 jdbc:mysql://localhost:3306/test_db 的简写

-->

<property
name="jdbcUrl"
value="jdbc:mysql:///test_db"/>

<property
name="user"
value="root"/>

<property
name="password"
value="8888"/>

</bean>

<!-- SessionFactory 对象的创建交给 Spring 进行管理 -->

<bean
id="sessionFactory"

class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">

<!--

因为在 Hibernate 核心配置文件中，没有数据库配置，

而是在 Spring 的核心配置文件中进行配置，所以需要

注入 dataSource

LocalSessionFactoryBean 中有相关属性，所以可以

注入

-->

<property
name="dataSource"
ref="dataSource"></property>

<!-- 指定 Hibernate 核心配置文件的位置 -->

<property
name="configLocations"
value="classpath:hibernate.cfg.xml"></property>

</bean>

</beans>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">

<welcome-file-list>

<welcome-file>index.jsp</welcome-file>

</welcome-file-list>

<!-- 配置 Spring 的监听器 ContextLoaderListener -->

<listener>

<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

</listener>

<!-- 配置 Spring 核心配置文件的位置（路径） -->

<context-param>

<param-name>contextConfigLocation</param-name>

<param-value>classpath:applicationContext.xml</param-value>

</context-param>

</web-app>