1、目前我所了解到的activiti工作流想要在项目中使用分为两种:
一、一种较为简单,只需要使用idea的插件来画流程图。(我所使用的的插件是Activiti BPMN visualizer)
二、另一种就是可以使用(在线流程设计器)或者(页面设计器部署到自己项目中)来画流程图。
2、先来看看两种方式的效果吧,是否满足您所需要的结果。
3、那么现在开始实现上面两种流图以及部署启动流程
一、先来第一种方式(比较简单)好入手,对于第一次接触的可以很好的去了解到这个Activiti流程引擎的过程。
首先你需要了解activiti的 25张表(这里就不多说了,网上很好找到)
<dependencies>
<dependency>
<groupId>org.activiti</groupId>
<artifactId>activiti-spring-boot-starter-basic</artifactId>
<version>5.22.0</version>
</dependency>
<dependency>
<groupId>org.activiti</groupId>
<artifactId>activiti-rest</artifactId>
<version>5.22.0</version>
</dependency>
<dependency>
<groupId>org.activiti</groupId>
<artifactId>activiti-diagram-rest</artifactId>
<version>5.22.0</version>
</dependency>
<dependency>
<groupId>org.activiti</groupId>
<artifactId>activiti-spring</artifactId>
<version>5.22.0</version>
</dependency>
<dependency>
<groupId>org.activiti</groupId>
<artifactId>activiti-json-converter</artifactId>
<version>5.22.0</version>
</dependency>
</dependencies>
<?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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/contex
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- 这里可以使用 链接池 dbcp-->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="com.mysql.cj.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/activiti?serverTimezone=Asia/Shanghai"/>
<property name="username" value="*****" />
<property name="password" value="*****" />
<property name="maxActive" value="3" />
<property name="maxIdle" value="1" />
</bean>
<bean id="processEngineConfiguration"
class="org.activiti.engine.impl.cfg.StandaloneProcessEngineConfiguration">
<property name="dataSource" ref="dataSource" />
<property name="databaseSchemaUpdate" value="true"/>
</bean>
</beans>
package com.atxinxin;
import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngineConfiguration;
import org.junit.jupiter.api.Test;
/**
* @author weixinxin 2023-06-28
**/
public class TestCreateTable {
@Test
public void testCreat(){
ProcessEngineConfiguration processEngineConfiguration =
ProcessEngineConfiguration.createProcessEngineConfigurationFromResource("activiti.xml","processEngineConfiguration");
ProcessEngine processEngine = processEngineConfiguration.buildProcessEngine();
System.out.println("processEngine = " + processEngine);
}
}
5)、生成的数据表
6)、接下来需要画流程图,插件开头已经提过,这里不说了,在resources包下创建一个bpmn包用来放流程图的xml文件和bpmn文件,右键新建一个文件例如(activiti.bpmn20.xml)
10)、到这里会玩的大概也差不多了,怎么画就不详细说了,我这里把我的 evection.bpmn20.xml 放出来。对于png文件把后缀名改成png就可以
<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:omgdi="http://www.omg.org/spec/DD/20100524/DI" typeLanguage="http://www.w3.org/2001/XMLSchema" expressionLanguage="http://www.w3.org/1999/XPath" targetNamespace="http://www.activiti.org/processdef">
<process id="evection" name="出差申请" isExecutable="true">
<startEvent id="sid-918d4c76-a682-4a1d-8160-c853a2293fc0" name="myEvection"/>
<userTask id="sid-efbbfc5f-d4af-4e5b-9f2c-6ac2be4fb0de" name="创建出差申请" activiti:assignee="zhangsan"/>
<sequenceFlow id="sid-01be7034-9f59-4812-9d89-42603748a9f7" sourceRef="sid-918d4c76-a682-4a1d-8160-c853a2293fc0" targetRef="sid-efbbfc5f-d4af-4e5b-9f2c-6ac2be4fb0de"/>
<endEvent id="sid-728c4461-5967-42d9-99dd-973e989dc6b9" name="endEvection"/>
<sequenceFlow id="sid-6381cc34-a651-4d8e-aa9e-1639bd0c765a" sourceRef="sid-efbbfc5f-d4af-4e5b-9f2c-6ac2be4fb0de" targetRef="sid-34a543c6-7f56-4717-81e3-ac3e9f781f68"/>
<userTask id="sid-34a543c6-7f56-4717-81e3-ac3e9f781f68" name="经理审批" activiti:assignee="lisi"/>
<userTask id="sid-7bc0b739-807a-449f-9280-efad4650434d" name="总经理审批" activiti:assignee="wangwu"/>
<userTask id="sid-8ac9a522-b178-4536-bf6c-3354a303301b" name="财务审批" activiti:assignee="zhaoliu"/>
<sequenceFlow id="sid-6c096aae-97dd-4a4b-bac9-d14f540a960f" sourceRef="sid-34a543c6-7f56-4717-81e3-ac3e9f781f68" targetRef="sid-7bc0b739-807a-449f-9280-efad4650434d"/>
<sequenceFlow id="sid-e7022864-0523-4dd4-a652-04a80dd83730" sourceRef="sid-7bc0b739-807a-449f-9280-efad4650434d" targetRef="sid-8ac9a522-b178-4536-bf6c-3354a303301b"/>
<sequenceFlow id="sid-2e3106c8-c44e-436d-8873-20c1351f8041" sourceRef="sid-8ac9a522-b178-4536-bf6c-3354a303301b" targetRef="sid-728c4461-5967-42d9-99dd-973e989dc6b9"/>
</process>
<bpmndi:BPMNDiagram id="BPMNDiagram_evection">
<bpmndi:BPMNPlane bpmnElement="evection" id="BPMNPlane_evection">
<bpmndi:BPMNShape id="shape-0398c401-36bb-469a-8d7d-2f7cc9c4155e" bpmnElement="sid-918d4c76-a682-4a1d-8160-c853a2293fc0">
<omgdc:Bounds x="-65.0" y="-55.0" width="30.0" height="30.0"/>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="shape-759f1834-be0a-4ca0-bca5-8c4ca232b22a" bpmnElement="sid-efbbfc5f-d4af-4e5b-9f2c-6ac2be4fb0de">
<omgdc:Bounds x="0.0" y="-80.0" width="100.0" height="80.0"/>
</bpmndi:BPMNShape>
<bpmndi:BPMNEdge id="edge-e9e3e744-8b73-4c26-8266-1534dd6f6e0e" bpmnElement="sid-01be7034-9f59-4812-9d89-42603748a9f7">
<omgdi:waypoint x="-35.0" y="-40.0"/>
<omgdi:waypoint x="0.0" y="-40.0"/>
</bpmndi:BPMNEdge>
<bpmndi:BPMNShape id="shape-81cdb314-1800-4251-bf37-c5905fa74294" bpmnElement="sid-728c4461-5967-42d9-99dd-973e989dc6b9">
<omgdc:Bounds x="-75.0" y="45.0" width="30.0" height="30.0"/>
</bpmndi:BPMNShape>
<bpmndi:BPMNEdge id="edge-b3dae946-cff0-4424-85da-d5a1663bab38" bpmnElement="sid-6381cc34-a651-4d8e-aa9e-1639bd0c765a">
<omgdi:waypoint x="100.0" y="-40.0"/>
<omgdi:waypoint x="170.0" y="-40.0"/>
</bpmndi:BPMNEdge>
<bpmndi:BPMNShape id="shape-e5dcff26-8968-49b2-9ffb-e8af02dde13d" bpmnElement="sid-34a543c6-7f56-4717-81e3-ac3e9f781f68">
<omgdc:Bounds x="170.0" y="-80.0" width="100.0" height="80.0"/>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="shape-dc398d5e-7227-4a25-8787-51e4544d9c31" bpmnElement="sid-7bc0b739-807a-449f-9280-efad4650434d">
<omgdc:Bounds x="170.0" y="20.0" width="100.0" height="80.0"/>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="shape-54b39e0b-98ac-4d20-88dc-df942e84e52d" bpmnElement="sid-8ac9a522-b178-4536-bf6c-3354a303301b">
<omgdc:Bounds x="0.0" y="20.0" width="100.0" height="80.0"/>
</bpmndi:BPMNShape>
<bpmndi:BPMNEdge id="edge-33a2f259-0113-4f01-adf2-bcc42e680591" bpmnElement="sid-6c096aae-97dd-4a4b-bac9-d14f540a960f">
<omgdi:waypoint x="220.0" y="0.0"/>
<omgdi:waypoint x="220.0" y="20.0"/>
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="edge-14615a3e-cad3-4f3d-a378-e8fff55ddc33" bpmnElement="sid-e7022864-0523-4dd4-a652-04a80dd83730">
<omgdi:waypoint x="170.0" y="60.0"/>
<omgdi:waypoint x="100.0" y="60.0"/>
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="edge-a275de64-4c05-4b3b-a719-70fa26145a5a" bpmnElement="sid-2e3106c8-c44e-436d-8873-20c1351f8041">
<omgdi:waypoint x="0.0" y="60.0"/>
<omgdi:waypoint x="-45.0" y="60.0"/>
</bpmndi:BPMNEdge>
</bpmndi:BPMNPlane>
</bpmndi:BPMNDiagram>
</definitions>
@Test
public void testDeployment(){
// 1.创建processEngine
ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
// 2.获取RepositoryService
RepositoryService repositoryService = processEngine.getRepositoryService();
// 3.使用service进行流程部署 ,定义流程名,把 bpmn 和 png 部署到数据库
Deployment deployment = repositoryService.createDeployment()
.name("出差申请流程")
.addClasspathResource("bpmn/evection.bpmn20.xml")
.addClasspathResource("bpmn/evection.png")
.deploy();
System.out.println("流程部署id = " + deployment.getId());
System.out.println("流程部署name = " + deployment.getName());
}
/**
*@Description 启动流程实例
*@author weixinxin
*@Date 17:17 2023/6/28
**/
@Test
public void testStartProcess(){
// 1. 创建ProcessEngine
ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
// 2. 获取RuntimeService
RuntimeService runtimeService = processEngine.getRuntimeService();
// 3. 根据流程定义的id启动流程
ProcessInstance myEvection = runtimeService.startProcessInstanceByKey("evection");
System.out.println("流程定义id = " + myEvection.getProcessDefinitionId());
System.out.println("流程实例id = " + myEvection.getId());
System.out.println("当前活动id = " + myEvection.getActivityId());
}
/**
*@Description 查询个人待执行的任务
*@author weixinxin
*@Date 17:33 2023/6/28
**/
@Test
public void testFindPersonalTaskList(){
// 1.获取流程引擎
ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
// 2.获取taskService
TaskService taskService = processEngine.getTaskService();
// 3.根据流程key 和 任务负责人 查询任务
List<Task> list = taskService.createTaskQuery()
.processDefinitionKey("evection")
.taskAssignee("zhangsan")
.list();
for (Task task : list) {
System.out.println("流程实例id = " + task.getProcessInstanceId());
System.out.println("任务id = " + task.getId());
System.out.println("任务负责人id = " + task.getAssignee());
System.out.println("任务名称 = " + task.getName());
}
}
/**
*@Description 完成个人任务
*@author weixinxin
*@Date 17:45 2023/6/28
**/
@Test
public void completTesk(){
// 1.获取流程引擎
ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
// 2.获取taskService
TaskService taskService = processEngine.getTaskService();
/*Task task = taskService.createTaskQuery() //完成zhangsan任务
.processDefinitionKey("evection")
.taskAssignee("zhangsan")
.singleResult();*/
/*Task task = taskService.createTaskQuery() //完成lisi任务
.processDefinitionKey("evection")
.taskAssignee("lisi")
.singleResult();*/
/*Task task = taskService.createTaskQuery() //完成wangwu任务
.processDefinitionKey("evection")
.taskAssignee("wangwu")
.singleResult();*/
Task task = taskService.createTaskQuery() //完成zhaoliu任务
.processDefinitionKey("evection")
.taskAssignee("zhaoliu")
.singleResult();
System.out.println("流程实例id = " + task.getProcessInstanceId());
System.out.println("任务id = " + task.getId());
System.out.println("任务负责人id = " + task.getAssignee());
System.out.println("任务名称 = " + task.getName());
taskService.complete(task.getId());
}
以上是idea的插件简单的activiti工作引擎的使用过程
(页面设计器部署到自己项目中)来画流程图。下篇文章http://t.csdnimg.cn/6WvS4
原文地址:https://blog.csdn.net/qq_44033725/article/details/131531916
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