activiti自定义流程之Spring整合activiti-modeler5.16实例(一):环境搭建

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简介: <p><span style="color:#ffcc66"><strong>项目中需要整合activiti-modeler自定义流程,找了很多资料后,终于成功的跳转到activiti-modeler流程设计界面,以下是记录:</strong></span></p> <p><strong>一、整合基础</strong>:eclipse4.4.1、tomcat7、jdk1.7、mysql5

项目中需要整合activiti-modeler自定义流程,找了很多资料后,终于成功的跳转到activiti-modeler流程设计界面,以下是记录:

一、整合基础:eclipse4.4.1、tomcat7、jdk1.7、mysql5.6.25、maven3.2.5、activiti5.16.3、spring4.0.9
二、步骤
   1、下载activiti-5.16.3.zip: http://www.activiti.org/download.html
   2、解压zip文件,解压后的目录打开如下:
    
   

  3、打开上图中wars,可看到如下:
 
   

   4、把上图中的api、editor、explorer、libs复制到项目的webapp下,如图:
 

   5、进入第三步所示的WEB-INF的classes目录,可看到如图:
 

   6、把上图中的editor.html、stencilset.json、plugins.xml复制到项目的src/main/sources中,(spring.xml是自己建立的)如图:
 
  

 7、配置web.xml文件,整个文件内容如下:

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	id="WebApp_ID" version="2.5">    
	<filter>
		<description>字符集过滤器</description>
		<filter-name>encodingFilter</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
		<init-param>
			<description>字符集编码</description>
			<param-name>encoding</param-name>
			<param-value>UTF-8</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>encodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>


	<servlet>
    <servlet-name>RestletServlet</servlet-name>
    <servlet-class>org.restlet.ext.servlet.ServerServlet</servlet-class>
    <init-param>
      <param-name>org.restlet.application</param-name>
      <param-value>org.activiti.rest.editor.application.ModelerRestApplication</param-value>
    </init-param>
  </servlet>
  <servlet-mapping>
    <servlet-name>RestletServlet</servlet-name>
    <url-pattern>/service/*</url-pattern>
  </servlet-mapping>
	
	
    <servlet>  
        <servlet-name>springMVC</servlet-name>  
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>  
        <init-param>  
            <param-name>contextConfigLocation</param-name>  
            <param-value>classpath:spring.xml</param-value>  
        </init-param>    
    </servlet>  
    <servlet-mapping>  
        <servlet-name>springMVC</servlet-name>  
        <url-pattern>*.do</url-pattern>  
    </servlet-mapping>
    <welcome-file-list>
    	<welcome-file>activiti.html</welcome-file>
    	<welcome-file>activiti.htm</welcome-file>
    	<welcome-file>activiti.jsp</welcome-file>
    	<welcome-file>default.html</welcome-file>
    	<welcome-file>default.htm</welcome-file>
    	<welcome-file>default.jsp</welcome-file>
    </welcome-file-list>  
</web-app>  


8、使用maven导入需要的pring、activiti以及mysql的jar包。Pom.xml内容如下:
<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>activitiTest1</groupId>
  <artifactId>activitiTest1</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>activitiTest1 Maven Webapp</name>
  <url>http://maven.apache.org</url>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
    <dependency>
    	<groupId>org.springframework</groupId>
    	<artifactId>spring-beans</artifactId>
    	<version>4.0.9.RELEASE</version>
    </dependency>
    <dependency>
    	<groupId>org.springframework</groupId>
    	<artifactId>spring-core</artifactId>
    	<version>4.0.9.RELEASE</version>
    </dependency>
    <dependency>
    	<groupId>org.springframework</groupId>
    	<artifactId>spring-aop</artifactId>
    	<version>4.0.9.RELEASE</version>
    </dependency>
    <dependency>
    	<groupId>org.springframework</groupId>
    	<artifactId>spring-context</artifactId>
    	<version>4.0.9.RELEASE</version>
    </dependency>
    <dependency>
    	<groupId>org.springframework</groupId>
    	<artifactId>spring-webmvc</artifactId>
    	<version>4.0.9.RELEASE</version>
    </dependency>
    <dependency>
    	<groupId>org.springframework</groupId>
    	<artifactId>spring-web</artifactId>
    	<version>4.0.9.RELEASE</version>
    </dependency>
    <dependency>
    	<groupId>org.springframework</groupId>
    	<artifactId>spring-aspects</artifactId>
    	<version>4.0.9.RELEASE</version>
    </dependency>
    <dependency>
    	<groupId>org.springframework</groupId>
    	<artifactId>spring-expression</artifactId>
    	<version>4.0.9.RELEASE</version>
    </dependency>
    <dependency>
    	<groupId>org.springframework</groupId>
    	<artifactId>spring-tx</artifactId>
    	<version>4.0.9.RELEASE</version>
    </dependency>
    <dependency>
    	<groupId>javax.servlet</groupId>
    	<artifactId>javax.servlet-api</artifactId>
    	<version>3.1.0</version>
    </dependency>
    <dependency>
    	<groupId>com.fasterxml.jackson.core</groupId>
    	<artifactId>jackson-annotations</artifactId>
    	<version>2.2.3</version>
    </dependency>
    <dependency>
    	<groupId>com.fasterxml.jackson.core</groupId>
    	<artifactId>jackson-core</artifactId>
    	<version>2.2.3</version>
    </dependency>
    <dependency>
    	<groupId>com.fasterxml.jackson.core</groupId>
    	<artifactId>jackson-databind</artifactId>
    	<version>2.2.3</version>
    </dependency>
    <dependency>
    	<groupId>org.activiti</groupId>
    	<artifactId>activiti-modeler</artifactId>
    	<version>5.16</version>
    </dependency>
    <dependency>
    	<groupId>org.activiti</groupId>
    	<artifactId>activiti-engine</artifactId>
    	<version>5.16</version>
    </dependency>
    <dependency>
    	<groupId>org.activiti</groupId>
    	<artifactId>activiti-explorer</artifactId>
    	<version>5.16</version>
    </dependency>
    <dependency>
    	<groupId>org.activiti</groupId>
    	<artifactId>activiti-rest</artifactId>
    	<version>5.16</version>
    </dependency>
    <dependency>
    	<groupId>org.springframework</groupId>
    	<artifactId>spring-context-support</artifactId>
    	<version>4.0.9.RELEASE</version>
    </dependency>
    <dependency>
    	<groupId>mysql</groupId>
    	<artifactId>mysql-connector-java</artifactId>
    	<version>5.1.34</version>
    </dependency>


    <dependency>
    	<groupId>org.activiti</groupId>
    	<artifactId>activiti-spring</artifactId>
    	<version>5.16</version>
    </dependency>
    <dependency>
    	<groupId>org.springframework</groupId>
    	<artifactId>spring-jdbc</artifactId>
    	<version>4.0.9.RELEASE</version>
    </dependency>
  </dependencies>
  <build>
    <finalName>activitiTest1</finalName>
  </build>
</project>


9、建立spring的配置文件spring.xml,如下:
<?xml version="1.0" encoding="UTF-8"?>  
<beans xmlns="http://www.springframework.org/schema/beans"  
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"  
    xmlns:context="http://www.springframework.org/schema/context"  
    xmlns:mvc="http://www.springframework.org/schema/mvc"    
    xsi:schemaLocation="  
        http://www.springframework.org/schema/beans   
        http://www.springframework.org/schema/beans/spring-beans-3.0.xsd  
        http://www.springframework.org/schema/context   
        http://www.springframework.org/schema/context/spring-context-3.0.xsd
        http://www.springframework.org/schema/mvc 
        http://www.springframework.org/schema/mvc/spring-mvc.xsd">  


    <context:annotation-config />  
    <mvc:annotation-driven />
    <context:component-scan base-package="controllers" />  
	<bean id="dataSource" class="org.springframework.jdbc.datasource.SimpleDriverDataSource">
	   
	   <property name="driverClass" value="com.mysql.jdbc.Driver"></property>
	   <property name="url" value="jdbc:mysql://192.168.0.201:3306/testtu?useUnicode=true&characterEncoding=utf8" ></property>
	   <property name="username" value="root" ></property> 
	   <property name="password" value="123456" ></property> 
	</bean>
	
	<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
	   <property name="dataSource" ref="dataSource"></property>
	</bean>
	
	<bean id="processEngineConfiguration" class="org.activiti.spring.SpringProcessEngineConfiguration">
        <property name="dataSource" ref="dataSource" />
		<property name="databaseSchemaUpdate" value="true" />
	    <property name="jobExecutorActivate" value="false"/>
	    <property name="history" value="full"/>
	    <property name="transactionManager" ref="transactionManager" />
		<!-- 配置事务管理器,统一事务 -->
		
		<!-- 设置建表策略,如果没有表,自动创建表 -->
	</bean>
	<!-- 创建流程引擎对象 -->
	<bean id="processEngine" class="org.activiti.spring.ProcessEngineFactoryBean">
		<property name="processEngineConfiguration" ref="processEngineConfiguration" />
	</bean>


	<!-- 由流程引擎对象,提供的方法,创建项目中使用的Activiti工作流的Service -->
	<bean id="repositoryService" factory-bean="processEngine" factory-method="getRepositoryService" />
	<bean id="runtimeService" factory-bean="processEngine" factory-method="getRuntimeService" />
	<bean id="taskService" factory-bean="processEngine" factory-method="getTaskService" />
	<bean id="historyService" factory-bean="processEngine" factory-method="getHistoryService" />
	<bean id="formService" factory-bean="processEngine" factory-method="getFormService" />
     
    <!-- 避免IE执行AJAX时,返回JSON出现下载文件 -->
	<bean id="mappingJacksonHttpMessageConverter"
		class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
		<property name="supportedMediaTypes">
			<list>
				<value>text/html;charset=UTF-8</value>
			</list>
		</property>
	</bean>


	<!-- 启动Spring MVC的注解功能,完成请求和注解POJO的映射 -->
	<bean
		class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
		<property name="messageConverters">
			<list>
				<ref bean="mappingJacksonHttpMessageConverter" /><!-- json转换器 -->
			</list>
		</property>
	</bean>
    
</beans>  


10、建立controller类,用来控制页面跳转到activiti-modeler流程设计页面:
package controllers;


import java.util.HashMap;
import java.util.Map;


import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


import org.activiti.editor.constants.ModelDataJsonConstants;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.repository.Model;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;


import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;


@Controller
public class ActivitiController {
	@Autowired
	private RepositoryService repositoryService;


	/**
	 * 查询生日列表
	 * 
	 * @param req
	 * @return
	 */
	@RequestMapping(value = "/activiti.do", method = RequestMethod.GET, produces = "application/json;charset=utf-8")
	@ResponseBody
	public Object brithdayList(HttpServletRequest req) {
		Map<String, Object> map = new HashMap<String, Object>();
		map.put("name", "activiti");
		return map;
	}


	@RequestMapping(value = "/create.do", method = RequestMethod.GET, produces = "application/json;charset=utf-8")
	public void create(
			@RequestParam("name") String name,
			@RequestParam("key") String key,
			@RequestParam(value = "description", required = false) String description,
			HttpServletRequest request, HttpServletResponse response) {
		try {
			ObjectMapper objectMapper = new ObjectMapper();
			ObjectNode modelObjectNode = objectMapper.createObjectNode();
			modelObjectNode.put(ModelDataJsonConstants.MODEL_NAME, name);
			modelObjectNode.put(ModelDataJsonConstants.MODEL_REVISION, 1);
			modelObjectNode.put(ModelDataJsonConstants.MODEL_DESCRIPTION,
					org.apache.commons.lang3.StringUtils
							.defaultString(description));
			Model newModel = repositoryService.newModel();
			newModel.setMetaInfo(modelObjectNode.toString());
			newModel.setName(name);
			newModel.setKey(key);
			repositoryService.saveModel(newModel);
			ObjectNode editorNode = objectMapper.createObjectNode();
			editorNode.put("id", "canvas");
			editorNode.put("resourceId", "canvas");
			ObjectNode stencilSetNode = objectMapper.createObjectNode();
			stencilSetNode.put("namespace",
					"http://b3mn.org/stencilset/bpmn2.0#");
			editorNode.put("stencilset", stencilSetNode);
			repositoryService.addModelEditorSource(newModel.getId(), editorNode
					.toString().getBytes("utf-8"));
			response.sendRedirect(request.getContextPath()
					+ "/service/editor?id=" + newModel.getId());
		} catch (Exception e) {
			e.getStackTrace();
		}
	}
}


11、修改index.jsp为activiti.html:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<h2>Hello World!</h2>
<a href="./activiti.do">activiti</a>
  <form action="./create.do" method="get">
    <input type="text" id="name" name="name"></input>
    <input type="text" id="key" name="key"></input>
    <input type="text" id="description" name="description"></input>
    <input type="submit" value="提交">
  </form>
</body>
</html>



12、启动项目,使用http://localhost:8080/activitiTest1访问项目,看到如下页面:


 
13、点击提交后,跳转到流程图设计界面:



参考文档:http://weir2009.iteye.com/blog/2119072

                    http://lpyyn.iteye.com/blog/2149219

                   http://www.mossle.com/docs/activiti/index.html

                   http://blog.csdn.net/lfsf802/article/details/46237003

                   http://www.kafeitu.me/activiti/2013/03/10/integrate-activiti-modeler.html

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