Activiti教程(十一)activiti流程和业务关联

一.业务数据和流程数据关联

1.如果业务数据要和流程数据关联 需要流程实例 ProcessInstanceId 也就是说 请假表中的每条数据都要有ProcessInstanceId 字段

=================请假实例======================

2.请假表实体和请假表对应 这是独立的表不属于工作流的表

3流程图

 4.服务类

package com.jnms.activiti;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.zip.ZipInputStream;

import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.history.HistoricActivityInstance;
import org.activiti.engine.impl.identity.Authentication;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Comment;
import org.activiti.engine.task.Task;
import org.apache.log4j.Logger;
import org.codehaus.jackson.map.ObjectMapper;
import org.junit.Test;

public class LeaveService {
	public static Logger logger = Logger.getLogger(LeaveService.class);
	ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
	private static ObjectMapper mapper = new ObjectMapper();
	 
	@Test
	public void createLeaveProcess() throws Exception{
/**
 * 流程部署
 */
System.out.println("##################[流程部署]######################################");		
		InputStream in = this.getClass().getClassLoader().getResourceAsStream("diagrams/leaveprocess.zip");
		ZipInputStream zipInputStream = new ZipInputStream(in);
		Deployment deployment = processEngine.getRepositoryService()
						.createDeployment()
						.name("请假申请")
						.addZipInputStream(zipInputStream)
						.deploy();
		String jdeployment = mapper.writeValueAsString(deployment);
		System.out.println("=====流程部署信息:"+jdeployment);
	    logger.info("=====流程部署信息:"+jdeployment);

/**
 * 流程赋值和启动		
 */
		//获取前台页面请假单数据
		Leave l = new Leave();
			l.setLeaveId("leaveId-2019");
			l.setDays("3");
			l.setUserId("张三");
			l.setLeaveStatus("审批中");


			
		String processDefinitionKey = "leaveprocess";
        Map<String,Object> leavemap = new HashMap<String,Object>();
        	leavemap.put("LeaveId", l.getLeaveId());
        	leavemap.put("Days", l.getDays());
        	leavemap.put("UserId", l.getUserId());
        	leavemap.put("LeaveStatus", l.getLeaveStatus());
        	leavemap.put("ProcessInstanceId", l.getProcessInstanceId());
		String jleavemap = mapper.writeValueAsString(leavemap);
		System.out.println("=====流程启动参数:"+jleavemap);
		logger.info("=====流程启动参数:"+jleavemap);

/**
 * 启动请假流程		
 */
System.out.println("##################[流程启动]######################################");				
		ProcessInstance pins = processEngine.getRuntimeService().startProcessInstanceByKey(processDefinitionKey,leavemap);
		
		l.setProcessInstanceId(pins.getProcessInstanceId());
		String jleave = mapper.writeValueAsString(l);
		System.out.println("=====请假信息:"+jleave);
		logger.info("=====请假信息:"+jleave);
		logger.info("==============保存请假单完成=================");
		
		System.out.println("流程实例ID:"+pins.getProcessInstanceId()+"&流程定义ID:"+pins.getProcessDefinitionId());
		logger.info("流程实例ID:"+pins.getProcessInstanceId()+"&流程定义ID:"+pins.getProcessDefinitionId());
		
		//1.根据张三的userid查询请假单表查询出分页列状态为已发起  
System.out.println("##################[张三任务]-发起申请######################################");				
		//张三查询个人列表
		List<Task> zhagnsanTask = processEngine.getTaskService()
									   .createTaskQuery()
									   .taskAssignee(l.getUserId())	   
									   .processInstanceId(l.getProcessInstanceId())
									   .list();
		for (Task task : zhagnsanTask) {
			System.out.println("任务ID:"+task.getId());
			System.out.println("任务名称:"+task.getName());
			System.out.println("任务的创建时间:"+task.getCreateTime());
			System.out.println("任务的办理人:"+task.getAssignee());
			System.out.println("流程实例ID："+task.getProcessInstanceId());
			System.out.println("执行对象ID:"+task.getExecutionId());
			System.out.println("流程定义ID:"+task.getProcessDefinitionId());
			processEngine.getTaskService().complete(task.getId());
		}
		
System.out.println("##################[李四任务]-任务待办######################################");		
		//李四查询代办任务
		List<Task> lisiTask = processEngine.getTaskService()
				   .createTaskQuery()
				   .taskAssignee("李四")	   
				   .processInstanceId(l.getProcessInstanceId())
				   .list();
		for (Task task : lisiTask) {
			System.out.println("任务ID:"+task.getId());
			System.out.println("任务名称:"+task.getName());
			System.out.println("任务的创建时间:"+task.getCreateTime());
			System.out.println("任务的办理人:"+task.getAssignee());
			System.out.println("流程实例ID："+task.getProcessInstanceId());
			System.out.println("执行对象ID:"+task.getExecutionId());
			System.out.println("流程定义ID:"+task.getProcessDefinitionId());
		}
System.out.println("##################[李四任务]-同意申请######################################");	
		
Authentication.setAuthenticatedUserId("李四");
System.out.println("审批意见:"+"同意请假-设置请假单状态为-已完成");
processEngine.getTaskService().addComment(lisiTask.get(0).getId(), lisiTask.get(0).getProcessInstanceId(), "同意我的员工请假");
processEngine.getTaskService().complete(lisiTask.get(0).getId());
System.out.println("##################[审批意见-同意]-同意申请######################################");	

		
		}
	
	
}

5.运行结果

工程:lpms-activiti.zip

源码地址:https://pan.baidu.com/s/1rex3hdi7DGy5DIBJEc33sA