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>