一、xml

     
       
          
           
           
           
           
           
           
         
        
          
             
                
               
              
                
               
              
                
               
              
                
               
              
                
                 
               
              
                
                 
                 
                 
               
              
                
                 
                 
                 
               
            
         
      
     二、测试类

package com.albert.test03; import org.activiti.engine.ProcessEngine; import org.activiti.engine.ProcessEngines; import org.activiti.engine.TaskService; import org.activiti.engine.history.HistoricProcessInstance; import org.activiti.engine.history.HistoricProcessInstanceQuery; import org.activiti.engine.impl.RepositoryServiceImpl; import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity; import org.activiti.engine.impl.persistence.entity.TaskEntity; import org.activiti.engine.repository.Deployment; import org.activiti.engine.runtime.ProcessInstance; import org.activiti.engine.task.Task; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.test.context.junit4.SpringRunner; import java.util.ArrayList; import java.util.List; import java.util.UUID; @RunWith(SpringRunner.class) @SpringBootTest public class Test03ApplicationTests {
      ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();     @Test     public void contextLoads() {
          ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();         System.out.println("==============" + processEngine.getName());     }     @Test     public void deployProcessDefinition() {
          Deployment deployment = processEngine.getRepositoryService()//获取流程定义和部署相关的Service                 .createDeployment()//创建部署对象                 .addClasspathResource("bpmn/beck.bpmn20.xml")                 .deploy();//完成部署         System.out.println("部署ID：" + deployment.getId());//部署ID:1         System.out.println("部署时间：" + deployment.getDeploymentTime());//部署时间     }     /**      * 启动流程实例      */     @Test     public void startProcessInstance() {
          String processDefinitionKey = "beck";//流程定义的key,也就是bpmn中存在的ID         ProcessInstance pi = processEngine.getRuntimeService()//管理流程实例和执行对象，也就是表示正在执行的操作                 .startProcessInstanceByKey(processDefinitionKey);按照流程定义的key启动流程实例         System.out.println("流程实例ID：" + pi.getId());//流程实例ID：101         System.out.println("流程实例ID：" + pi.getProcessInstanceId());//流程实例ID：101         System.out.println("流程实例ID:" + pi.getProcessDefinitionId());//myMyHelloWorld:1:4     }     // 3.查看任务     @Test     public void quertTask() {
          try {
              ProcessEngine processEngine = ProcessEngines                     .getDefaultProcessEngine();             TaskService taskService = processEngine.getTaskService();              String userId = "beck_guo";             //String userId = "fucai";             //String userId = "zhangsan";             //String userId = "xiaoxiao";             List
    
      tasks = taskService.createTaskQuery()                     .taskAssignee(userId).list();             for (Task task : tasks) {
                  System.out.println("taskId:" + task.getId() + ",name:"                         + task.getName() + ",assignee:" + task.getAssignee()                         + ",ProcessInstanceId:" + task.getProcessInstanceId());             }             System.out.println("查讯任务结束");         } catch (Exception e) {
              e.printStackTrace();         }     }     /**      * 会签操作      *      *            会签人账号集合      * @throws Exception      */     @Test     public void jointProcess()             throws Exception {
          String taskId="17505";         List
     
       userCodes=new ArrayList<>();         userCodes.add("fucai");         userCodes.add("zhangsan");         for (String userCode : userCodes) {
              TaskEntity task = (TaskEntity) processEngine.getTaskService().newTask(UUID.randomUUID().toString());             task.setAssignee(userCode);             task.setName(findTaskById(taskId).getName() + "-会签");             task.setProcessDefinitionId(findProcessDefinitionEntityByTaskId(                     taskId).getId());             task.setProcessInstanceId(findProcessInstanceByTaskId(taskId)                     .getId());             task.setParentTaskId(taskId);             task.setDescription("jointProcess");             processEngine.getTaskService().saveTask(task);         }         System.out.println("taskId:" + taskId+" ==会签线束");     }     // 5.办理任务     @Test     public void completeTask() throws Exception {
          try {
              ProcessEngine processEngine = ProcessEngines                     .getDefaultProcessEngine();             TaskService taskService = processEngine.getTaskService();             String taskId = "7e55dc2a-a4fd-4db3-b6a2-607e5f124605";             taskService.complete(taskId);             System.out.println("办理任务结束 taskId=" + taskId);         } catch (Exception e) {
              e.printStackTrace();         }     }     // 历史流程实例查看（查找按照某个规则一共执行了多少次流程）     @Test     public void queryHistoricProcessInstance() throws Exception {
          // 获取历史流程实例的查询对象         HistoricProcessInstanceQuery historicProcessInstanceQuery = processEngine.getHistoryService().createHistoricProcessInstanceQuery();         // 设置查询参数         historicProcessInstanceQuery                 //过滤条件                 .processDefinitionKey("beck")                 // 分页条件 //     .listPage(firstResult, maxResults)                 // 排序条件                 .orderByProcessInstanceStartTime().desc();         // 执行查询         List
      
        hpis = historicProcessInstanceQuery.list();         // 遍历查看结果         System.out.print("===================");         for (HistoricProcessInstance hpi : hpis) {
              System.out.print("pid:" + hpi.getId() + ",");             System.out.print("pdid:" + hpi.getProcessDefinitionId() + ",");             System.out.print("startTime:" + hpi.getStartTime() + ",");             System.out.print("endTime:" + hpi.getEndTime() + ",");             System.out.print("duration:" + hpi.getDurationInMillis() + ",");             System.out.println("vars:" + hpi.getProcessVariables());         }     }     /**      * 根据任务ID获得任务实例      *      * @param taskId      *            任务ID      * @return      * @throws Exception      */     private TaskEntity findTaskById(String taskId) throws Exception {
          TaskEntity task = (TaskEntity) processEngine.getTaskService().createTaskQuery().taskId(                 taskId).singleResult();         if (task == null) {
              throw new Exception("任务实例未找到!");         }         return task;     }     /**      * 根据任务ID获取流程定义      *      * @param taskId 任务ID      * @return      * @throws Exception      */     private ProcessDefinitionEntity findProcessDefinitionEntityByTaskId(             String taskId) throws Exception {
          // 取得流程定义         ProcessDefinitionEntity processDefinition = (ProcessDefinitionEntity) ((RepositoryServiceImpl) processEngine.getRepositoryService())                 .getDeployedProcessDefinition(findTaskById(taskId)                         .getProcessDefinitionId());         if (processDefinition == null) {
              throw new Exception("流程定义未找到!");         }         return processDefinition;     }     /**      * 根据任务ID获取对应的流程实例      *      * @param taskId 任务ID      * @return      * @throws Exception      */     private ProcessInstance findProcessInstanceByTaskId(String taskId)             throws Exception {
          // 找到流程实例         ProcessInstance processInstance = processEngine.getRuntimeService()                 .createProcessInstanceQuery().processInstanceId(                         findTaskById(taskId).getProcessInstanceId())                 .singleResult();         if (processInstance == null) {
              throw new Exception("流程实例未找到!");         }         return processInstance;     } } 三、activiti.cfg.xml
      
     
    

         
              
               
               
               
               
               
               
               
               
               
           
      
     四 pom

     
         
     
      4.0.0
          
              
      
       org.springframework.boot
               
      
       spring-boot-starter-parent
               
      
       2.1.5.RELEASE
               
       
           
          
     
      com.albert.test03
          
     
      test03
          
     
      0.0.1-SNAPSHOT
          
     
      test03
          
     
      Demo project for Spring Boot
          
              
      
       1.8
               
      
       5.22.0
           
          
              
                   
       
        org.springframework.boot
                    
       
        spring-boot-starter-web
                
               
                   
       
        org.springframework.boot
                    
       
        spring-boot-starter-test
                    
       
        test
                
               
               
                   
       
        mysql
                    
       
        mysql-connector-java
                    
       
        5.1.6
                
               
               
                   
       
        org.activiti
                    
       
        activiti-engine
                    
       
        ${activiti.version}
                
               
                   
       
        org.activiti
                    
       
        activiti-spring
                    
       
        ${activiti.version}
                
               
                   
       
        org.activiti
                    
       
        activiti-modeler
                    
       
        ${activiti.version}
                
               
                   
       
        org.activiti
                    
       
        activiti-diagram-rest
                    
       
        ${activiti.version}
                
               
           
          
              
                   
                        
        
         org.springframework.boot
                         
        
         spring-boot-maven-plugin