1.导入JBPM4开发所需的jar包，注意不要和原有的SSH2jar包冲突，启动tomcat，如果正常，则进行下一步的操作

2.将下面的JBPM4的映射文件代码，写入到hibernate.cfg.xml配置文件中：

 <!-- 导jpbm入映射文件 -->
		<mapping resource="jbpm.repository.hbm.xml" />
		<mapping resource="jbpm.execution.hbm.xml" />
		<mapping resource="jbpm.history.hbm.xml" />
		<mapping resource="jbpm.task.hbm.xml" />
		<mapping resource="jbpm.identity.hbm.xml" />

使得hibernate.cfg.xml的内容大致如下：

<pre name="code" class="java"><?xml version="1.0"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
 "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>

	<!-- 数据库信息（连接信息写到spring的配置文件中） -->
	<property name="dialect">
		org.hibernate.dialect.MySQL5Dialect
	</property>
	<!-- 
		<property name="connection.url">jdbc:mysql:///itcastoa_20120216</property>
		<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
		<property name="connection.username">root</property>
		<property name="connection.password">root</property>
	-->

	<!-- 其他配置 -->
	<property name="show_sql">true</property>
	<property name="hbm2ddl.auto">update</property>

	<!-- 导入映射配置 -->
	<mapping resource="cn/itcast/oa/domain/User.hbm.xml" />
	<mapping resource="cn/itcast/oa/domain/Department.hbm.xml" />
	<mapping resource="cn/itcast/oa/domain/Role.hbm.xml" />
	<mapping resource="cn/itcast/oa/domain/Privilege.hbm.xml" />
	<mapping resource="cn/itcast/oa/domain/Forum.hbm.xml" />
	<mapping resource="cn/itcast/oa/domain/Topic.hbm.xml" />
	<mapping resource="cn/itcast/oa/domain/Reply.hbm.xml" />

    <!-- 导jpbm入映射文件 -->
		<mapping resource="jbpm.repository.hbm.xml" />
		<mapping resource="jbpm.execution.hbm.xml" />
		<mapping resource="jbpm.history.hbm.xml" />
		<mapping resource="jbpm.task.hbm.xml" />
		<mapping resource="jbpm.identity.hbm.xml" />
</session-factory>
</hibernate-configuration>

3.将JBPM4中jbpm.cfg.xml的 <import resource="jbpm.tx.hibernate.cfg.xml" />，改成 <import resource="jbpm.tx.spring.cfg.xml" />

  <pre name="code" class="java">jbpm.cfg.xml内容如下：

<pre name="code" class="java"><?xml version="1.0" encoding="UTF-8"?>

<jbpm-configuration>

  <import resource="jbpm.default.cfg.xml" />
  <import resource="jbpm.businesscalendar.cfg.xml" />
 <!--  <import resource="jbpm.tx.hibernate.cfg.xml" /> -->
  <!-- 与Spring整合需要导入jbpm.tx.spring.cfg.xml文件 -->
  <import resource="jbpm.tx.spring.cfg.xml" />
  <import resource="jbpm.jpdl.cfg.xml" />
  <import resource="jbpm.bpmn.cfg.xml" />
  <import resource="jbpm.identity.cfg.xml" />

  <!-- Job executor is excluded for running the example test cases. -->
  <!-- To enable timers and messages in production use, this should be included. -->
  <!--
  <import resource="jbpm.jobexecutor.cfg.xml" />
  -->

</jbpm-configuration>

将该文件放在src目录下

4.在applicationContext.xml中添加下面代码：

<pre name="code" class="html">  <!-- 配置ProcessEngine -->
	<bean id="springHelper" class="org.jbpm.pvm.internal.processengine.SpringHelper">
		<property name="jbpmCfg" value=http://www.mamicode.com/"jbpm.cfg.xml">>
5.测试
 <pre name="code" class="java">// 测试SessionFactory
	@Test
	public void testSessionFactory() throws Exception {
		SessionFactory sessionFactory = (SessionFactory) ac.getBean("sessionFactory");
		System.out.println(sessionFactory);
	}

<strong><span style="font-size:24px;">在SSH2项目中添加JBPM4的开发环境完成</span></strong>
在SSH2项目中添加JBPM4的开发环境