activiti实例
Java代码
package com; import org.activiti.bpmn.converter.BpmnXMLConverter; import org.activiti.bpmn.model.BpmnModel; import org.activiti.editor.constants.ModelDataJsonConstants; import org.activiti.editor.language.json.converter.BpmnJsonConverter; import org.activiti.engine.*; import org.activiti.engine.form.StartFormData; import org.activiti.engine.form.TaskFormData; import org.activiti.engine.history.HistoricProcessInstance; import org.activiti.engine.repository.Deployment; import org.activiti.engine.repository.Model; import org.activiti.engine.repository.ProcessDefinition; import org.activiti.engine.runtime.ProcessInstance; import org.activiti.engine.task.Task; import org.codehaus.jackson.map.ObjectMapper; import org.codehaus.jackson.node.ObjectNode; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.servlet.ModelAndView; import javax.annotation.Resource; import java.io.FileOutputStream; import java.io.IOException; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; /** * Created with IntelliJ IDEA. * User: pandy * Date: 13-9-16 * Time: 上午9:36 * To change this template use File | Settings | File Templates. */ @Controller @RequestMapping("/a") public class TestController { @Resource(name = "taskService") private TaskService taskService; @Resource(name = "runtimeService") private RuntimeService runtimeService; @Resource(name = "repositoryService") private RepositoryService repositoryService; @Resource(name = "formService") private FormService formService; @Resource(name = "historyService") private HistoryService historyService; /** * 获得一些查询列表 * * @return */ @RequestMapping("/list") public ModelAndView list() { ModelAndView view = new ModelAndView("list"); List<Task> tasks = taskService.createTaskQuery().list(); view.addObject("tasks", tasks); view.addObject("message", "This is a message."); List<Model> modelList = repositoryService.createModelQuery().list(); view.addObject("modelList", modelList); List<Deployment> deploymentList = repositoryService.createDeploymentQuery().list(); view.addObject("deploymentList", deploymentList); List<ProcessDefinition> processDefinitionList = repositoryService.createProcessDefinitionQuery().list(); view.addObject("processDefinitionList", processDefinitionList); return view; } /** * 创建一个modeler * * @return */ @RequestMapping("/create") public ModelAndView create() { Date d = new Date(); String str = "Pandy_" + d.getTime() + ""; try { ObjectMapper objectMapper = new ObjectMapper(); 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); Model modelData = repositoryService.newModel(); ObjectNode modelObjectNode = objectMapper.createObjectNode(); modelObjectNode.put(ModelDataJsonConstants.MODEL_NAME, str); modelObjectNode.put(ModelDataJsonConstants.MODEL_REVISION, 1); modelObjectNode.put(ModelDataJsonConstants.MODEL_DESCRIPTION, str); modelData.setMetaInfo(modelObjectNode.toString()); modelData.setName(str); modelData.setKey(str); repositoryService.saveModel(modelData); repositoryService.addModelEditorSource(modelData.getId(), editorNode.toString().getBytes("utf-8")); } catch (Exception e) { e.printStackTrace(); } String url = "redirect:/a/list.do"; return new ModelAndView(url); } /** * 删除一个已经部署的实例 * * @param id * @return */ @RequestMapping("/deleteModeler") public ModelAndView deleteModeler(@RequestParam("id") String id) { System.out.println("id=" + id); try { repositoryService.deleteModel(id); } catch (Exception e) { e.printStackTrace(); } String url = "redirect:/a/list.do"; return new ModelAndView(url); } /** * 部署一个Modeler * * @param id * @return */ @RequestMapping("/deployModel") public ModelAndView deployModel(@RequestParam("id") String id) { System.out.println("id=" + id); Deployment deployment = null; try { Model modelData = repositoryService.getModel(id); ObjectNode modelNode = (ObjectNode) new ObjectMapper().readTree( repositoryService.getModelEditorSource(modelData.getId()) ); byte[] bpmnBytes = null; BpmnModel model = new BpmnJsonConverter().convertToBpmnModel(modelNode); bpmnBytes = new BpmnXMLConverter().convertToXML(model); String processName = modelData.getName() + ".bpmn20.xml"; deployment = repositoryService.createDeployment() .name(modelData.getName()) .addString(processName, new String(bpmnBytes)) .deploy(); } catch (Exception e) { e.printStackTrace(); } String url = "redirect:/a/list.do"; return new ModelAndView(url); } /** * 删除一个已经部署的实例 * * @param id * @return */ @RequestMapping("/deleteDeploy") public ModelAndView deleteDeploy(@RequestParam("id") String id) { System.out.println("id=" + id); try { repositoryService.deleteDeployment(id,false); } catch (Exception e) { e.printStackTrace(); } String url = "redirect:/a/list.do"; return new ModelAndView(url); } /** * 启动已经部署工作流 * * @return */ @RequestMapping("/start") public ModelAndView start(@RequestParam("id") String defId) { Map<String, Object> variables = new HashMap<String, Object>(); /* variables.put("employeeName", "Kermit"); variables.put("numberOfDays", new Integer(4)); variables.put("vacationMotivation", "I'm really tired!");*/ //启动 System.out.println("启动"); //ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("myProcess", variables); ProcessInstance processInstance = runtimeService.startProcessInstanceById(defId, variables); //StartFormData formData = formService.getStartFormData(processInstance.getProcessDefinitionId()); String url = "redirect:/a/list.do"; return new ModelAndView(url); } /** * 完成一个节点 * * @param id * @return */ @RequestMapping("/complete") public ModelAndView complete(@RequestParam("id") String id) { //List<Task> list = taskService.createTaskQuery().taskDefinitionKey(id).list(); List<Task> list = taskService.createTaskQuery().taskId(id).list(); if (list != null && !list.isEmpty()) { for (Task task : list) { TaskFormData formData = formService.getTaskFormData(task.getId()); taskService.complete(task.getId()); } } String url = "redirect:/a/list.do"; return new ModelAndView(url); } /** * 导出流程 * * @param fileName * @param bpmnBytes */ public void exportFile(String fileName, byte[] bpmnBytes) { fileName = "/mnt/D/work_documents/workspace/ActivitiTemp/src/main/resources/diagrams/" + fileName; System.out.println(fileName); FileOutputStream fos = null; try { fos = new FileOutputStream(fileName, true); fos.write(bpmnBytes); fos.flush(); } catch (Exception e) { e.printStackTrace(); } finally { try { fos.close(); } catch (IOException iex) { } } } /** * 启动已经部署工作流 * * @return */ @RequestMapping("/start1") public ModelAndView start1() { Map<String, Object> variables = new HashMap<String, Object>(); /* variables.put("employeeName", "Kermit"); variables.put("numberOfDays", new Integer(4)); variables.put("vacationMotivation", "I'm really tired!");*/ //启动 System.out.println("启动"); ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("myProcess", variables); StartFormData formData = formService.getStartFormData(processInstance.getProcessDefinitionId()); String url = "redirect:/a/list.do"; return new ModelAndView(url); } /** * 启动已经部署工作流 * * @return */ @RequestMapping("/start2") public ModelAndView start2() { Map<String, Object> variables = new HashMap<String, Object>(); /* variables.put("employeeName", "Kermit"); variables.put("numberOfDays", new Integer(4)); variables.put("vacationMotivation", "I'm really tired!");*/ //启动 System.out.println("启动"); ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("myProcess", variables); String url = "redirect:/a/list.do"; return new ModelAndView(url); } /** * 启动已经部署Form工作流 * * @return */ @RequestMapping("/start3") public ModelAndView start3() { Map<String, Object> variables = new HashMap<String, Object>(); /* variables.put("employeeName", "Kermit"); variables.put("numberOfDays", new Integer(4)); variables.put("vacationMotivation", "I'm really tired!");*/ //启动 System.out.println("启动"); Map<String, String> properties = new HashMap<String, String>(); ProcessInstance processInstance = formService.submitStartFormData("xxxxx", properties); String url = "redirect:/a/list.do"; return new ModelAndView(url); } /** * 这只是一个测试的方法 * * @return */ @RequestMapping("/mytest") public ModelAndView mytest() { System.out.println("开始执行工作流的方法"); //发布 System.out.println("发布"); repositoryService.createDeployment() .addClasspathResource("bpmn/MyProcess.bpmn") .deploy(); Map<String, Object> variables = new HashMap<String, Object>(); /* variables.put("employeeName", "Kermit"); variables.put("numberOfDays", new Integer(4)); variables.put("vacationMotivation", "I'm really tired!");*/ //启动 System.out.println("启动"); ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("myProcess", variables); //遍历任务 System.out.println("遍历所有"); //List<Task> tasks = taskService.createTaskQuery().taskCandidateGroup("management").list(); //List<Task> tasks = taskService.createTaskQuery().taskCandidateUser("test").list(); List<Task> tasks = taskService.createTaskQuery().taskAssignee("test").list(); for (Task task : tasks) { System.out.println("#Task available: " + task.getId() + ":" + task.getName()); Map<String, Object> taskVariables = new HashMap<String, Object>(); //taskService.complete(task.getId(), taskVariables); System.out.println("complete#Task: " + task.getId() + ":" + task.getName()); } //查看任务 System.out.println("遍历所有"); tasks = taskService.createTaskQuery().list(); for (Task task : tasks) { System.out.println("@Task available: " + task.getId() + ":" + task.getName()); } String url = "redirect:/a/list.do"; return new ModelAndView(url); } }
Html代码
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %> <%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%> <% String path=request.getContextPath(); %> <html> <head> <title></title> <style> table,tr,th,td{ border: 1px solid #000000; } </style> </head> <body> <br>模型列表: 创建模型: <a href="<%=path%>/a/create.do">Create</a> <table border="0"> <tr> <th>ID</th> <th>Key</th> <th>Name</th> <th>编辑</th> <th>部署</th> <th>删除</th> </tr> <c:forEach items="${modelList}" var="t"> <tr> <td>${t.id}</td> <td>${t.key}</td> <td>${t.name}</td> <td><a target="_blank" href="<%=path%>/modeler/service/editor?id=${t.id}">编辑</a></td> <td><a target="_self" href="<%=path%>/a/deployModel.do?id=${t.id}">部署</a></td> <td><a target="_self" href="<%=path%>/a/deleteModeler.do?id=${t.id}">删除</a></td> </tr> </c:forEach> </table> <br>已经部署列表： 启动任务: <a href="<%=path%>/a/start1.do">Start1</a> <a href="<%=path%>/a/start2.do">Start2</a> <table border="0"> <tr> <th>定义ID</th> <th>部署ID</th> <th>Key</th> <th>Name</th> <th>启动</th> <th>删除</th> </tr> <c:forEach items="${processDefinitionList}" var="d"> <tr> <td>${d.id}</td> <td>${d.deploymentId}</td> <td>${d.key}</td> <td>${d.name}</td> <td><a href="<%=path%>/a/start.do?id=${d.id}">启动</a></td> <td><a href="<%=path%>/a/deleteDeploy.do?id=${d.deploymentId}">删除</a></td> </tr> </c:forEach> </table> <br>任务列表： <table border="0"> <tr> <th>ID</th> <th>Name</th> <th>完成</th> </tr> <c:forEach items="${tasks}" var="t"> <tr> <td>${t.id}</td> <td>${t.name}</td> <td><a href="<%=path%>/a/complete.do?id=${t.id}">批准</a></td> </tr> </c:forEach> </table> </body> </html>
xml
<?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:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jpa="http://www.springframework.org/schema/data/jpa" xmlns:util="http://www.springframework.org/schema/util" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.1.xsd http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.0.xsd"> <context:component-scan base-package="com"> <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/> </context:component-scan> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver"/> <property name="url" value="jdbc:mysql://192.168.0.196:3306/activiti_demo"/> <property name="username" value="root"/> <property name="password" value=""/> </bean> <!--<bean id="dataSource" class="com.jolbox.bonecp.BoneCPDataSource"> <property name="driverClass" value="com.mysql.jdbc.Driver" /> <property name="jdbcUrl" value="jdbc:mysql://192.168.0.196:3306/activiti_demo" /> <property name="username" value="root" /> <property name="password" value="" /> </bean>--> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/> </bean> <bean id="processEngineConfiguration" class="org.activiti.spring.SpringProcessEngineConfiguration"> <property name="dataSource" ref="dataSource"/> <property name="deploymentResources" value="classpath*:/bpmn/*.bpmn"/> <property name="transactionManager" ref="transactionManager"/> <property name="databaseSchemaUpdate" value="true"/> <property name="jobExecutorActivate" value="false"/> <property name="processDefinitionCacheLimit" value="10"/> <property name="activityFontName" value="${diagram.activityFontName}"/> <property name="labelFontName" value="${diagram.labelFontName}"/> </bean> <bean id="processEngine" class="org.activiti.spring.ProcessEngineFactoryBean"> <property name="processEngineConfiguration" ref="processEngineConfiguration"/> </bean> <bean id="repositoryService" factory-bean="processEngine" factory-method="getRepositoryService"/> <bean id="runtimeService" factory-bean="processEngine" factory-method="getRuntimeService"/> <bean id="formService" factory-bean="processEngine" factory-method="getFormService"/> <bean id="identityService" factory-bean="processEngine" factory-method="getIdentityService"/> <bean id="taskService" factory-bean="processEngine" factory-method="getTaskService"/> <bean id="historyService" factory-bean="processEngine" factory-method="getHistoryService"/> <bean id="managementService" factory-bean="processEngine" factory-method="getManagementService"/> <!-- Activiti end --> </beans>
