activiti6环节流程图_activiti流程图

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发布于 2022-06-13 08:36:51

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发布于 2022-06-13 08:36:51

大家好，我是架构君，一个会写代码吟诗的架构师。今天说一说activiti6环节流程图_activiti流程图,希望能够帮助大家进步!!!

文章目录

    - [1 摘要](https://javajgs.com/#1__5)
    - [2 流程绘制](https://javajgs.com/#2__11)
        - [2.1 流程绘制](https://javajgs.com/#21__13)
        - [2.2 指定代理人](https://javajgs.com/#22__24)
        - [2.3 保存与导出](https://javajgs.com/#23__45)
        - [2.4 流程图配置文件](https://javajgs.com/#24__56)
    - [3 推荐参考资料](https://javajgs.com/#3__154)
    - [4 Github 源码](https://javajgs.com/#4_Github__164)

1 摘要

BPMN 的全称是: Business Process Model and Nation，直译为：业务流程建模与标注，俗称流程图。本文将介绍使用 Activiti 官方的 web 工具绘制简易流程图。

2 流程绘制

2.1 流程绘制

一个流程，必须包含一个开始事件，一个结束事件，中间由具体的流程事件组成

流程示例:

学生请假流程:

2.2 指定代理人

每一个流程节点需要指定一个代理人，即流程执行到某个任务，需要有指定的用户来进行审批

指定代理人的方式有3种:

第一种: 固定代理人，如上图

第二种: 使用 UEL 表达式动态设置代理人

第三种，使用监听器实现动态设置代理人

2.3 保存与导出

流程图绘制完成之后即可保存模板

此时流程配置是保存在数据库中，查看流程列表，选中刚配置好的流程图，查看详情并导出

导出的文件为 xml 格式，将其改为 bpmn 格式，然后复制到 Activiti 项目中

2.4 流程图配置文件

上边介绍了3中设置代理人的方式，每一种生成的 bpmn 文件如下:

第一种，固定代理人:

./activiti-workflow/src/main/resources/processes/student_leave.bpmn

<?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="student_leave" name="student_leave" isExecutable="true">
    <startEvent id="startEvent1" name="开始"></startEvent>
    <userTask id="sid-8D6861B2-9FE9-4909-B091-73F2B6400764" name="学生" activiti:assignee="张三">
      <extensionElements>
        <modeler:initiator-can-complete xmlns:modeler="http://activiti.com/modeler"><![CDATA[false]]></modeler:initiator-can-complete>
      </extensionElements>
    </userTask>
    <userTask id="sid-436168A2-4968-4D3F-9A33-51776F9733FE" name="班主任" activiti:assignee="李四">
      <extensionElements>
        <modeler:initiator-can-complete xmlns:modeler="http://activiti.com/modeler"><![CDATA[false]]></modeler:initiator-can-complete>
      </extensionElements>
    </userTask>
    <endEvent id="sid-EA98BD32-1A93-4AF2-A374-7DF39A33ABAA" name="结束"></endEvent>
    <sequenceFlow id="sid-385279BD-97C2-44BC-9A9E-84179F795459" sourceRef="startEvent1" targetRef="sid-8D6861B2-9FE9-4909-B091-73F2B6400764"></sequenceFlow>
    <sequenceFlow id="sid-6B7E69AB-52AA-4CD8-BF45-CD76E6CC7CEC" name="提交申请" sourceRef="sid-8D6861B2-9FE9-4909-B091-73F2B6400764" targetRef="sid-436168A2-4968-4D3F-9A33-51776F9733FE"></sequenceFlow>
    <sequenceFlow id="sid-2A3D7AD7-E0F8-42ED-A521-A22E42F5B8CA" name="同意" sourceRef="sid-436168A2-4968-4D3F-9A33-51776F9733FE" targetRef="sid-EA98BD32-1A93-4AF2-A374-7DF39A33ABAA"></sequenceFlow>
  </process>
  
</definitions>

第二种，使用 UEL 表达式设置代理人

./activiti-workflow/src/main/resources/processes/student_leave_2.bpmn

<?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="student_leave_2" name="student_leave_2" isExecutable="true">
    <startEvent id="startEvent1" name="开始"></startEvent>
    <userTask id="sid-486A7692-35E4-476A-94EF-3566C01B8F39" name="学生申请" activiti:assignee="${student}">
      <extensionElements>
        <modeler:initiator-can-complete xmlns:modeler="http://activiti.com/modeler"><![CDATA[false]]></modeler:initiator-can-complete>
      </extensionElements>
    </userTask>
    <userTask id="sid-23DCF2CD-D1E0-4B66-9853-352B2E505782" name="班主任审批" activiti:assignee="${teacher}">
      <extensionElements>
        <modeler:initiator-can-complete xmlns:modeler="http://activiti.com/modeler"><![CDATA[false]]></modeler:initiator-can-complete>
      </extensionElements>
    </userTask>
    <endEvent id="sid-52FDCD77-D54C-4340-B624-93B92D941E77" name="结束"></endEvent>
    <sequenceFlow id="sid-96C3385F-899C-4149-B695-CEF25F5213CB" sourceRef="startEvent1" targetRef="sid-486A7692-35E4-476A-94EF-3566C01B8F39"></sequenceFlow>
    <sequenceFlow id="sid-5602EE93-61DC-4326-80A6-C76661889900" name="提交申请" sourceRef="sid-486A7692-35E4-476A-94EF-3566C01B8F39" targetRef="sid-23DCF2CD-D1E0-4B66-9853-352B2E505782"></sequenceFlow>
    <sequenceFlow id="sid-EABF7DE5-1A32-4EFF-9627-9B5AB70D5E8A" name="同意" sourceRef="sid-23DCF2CD-D1E0-4B66-9853-352B2E505782" targetRef="sid-52FDCD77-D54C-4340-B624-93B92D941E77"></sequenceFlow>
  </process>

</definitions>

第三种，使用监听器动态设置代理人

./activiti-workflow/src/main/resources/processes/student_leave_3.bpmn

<?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="student_leave_3" name="student_leave_3" isExecutable="true">
    <startEvent id="startEvent1" name="开始"></startEvent>
    <userTask id="sid-569880EE-EF90-4CA2-BF03-8CE45BADD383" name="学生申请">
      <extensionElements>
        <activiti:taskListener event="create" class="com.ljq.demo.springboot.activiti.listener.TaskListenerImpl"></activiti:taskListener>
      </extensionElements>
    </userTask>
    <userTask id="sid-38242A27-92B1-4225-BE1E-1BEF001C6323" name="班主任审批">
      <extensionElements>
        <activiti:taskListener event="create" class="com.ljq.demo.springboot.activiti.listener.TaskListenerImpl"></activiti:taskListener>
      </extensionElements>
    </userTask>
    <endEvent id="sid-D4A37973-6FD9-4797-8F76-4741F1CED489" name="结束"></endEvent>
    <sequenceFlow id="sid-66EACD0C-9A58-4D52-8CB8-B910D78A248B" sourceRef="startEvent1" targetRef="sid-569880EE-EF90-4CA2-BF03-8CE45BADD383"></sequenceFlow>
    <sequenceFlow id="sid-C45AB0DF-5784-4DED-B73C-DDBD104962D2" name="批准" sourceRef="sid-38242A27-92B1-4225-BE1E-1BEF001C6323" targetRef="sid-D4A37973-6FD9-4797-8F76-4741F1CED489"></sequenceFlow>
    <sequenceFlow id="sid-B9CE8749-BE0E-4669-A079-E97444983341" name="提交申请" sourceRef="sid-569880EE-EF90-4CA2-BF03-8CE45BADD383" targetRef="sid-38242A27-92B1-4225-BE1E-1BEF001C6323"></sequenceFlow>
  </process>
 
</definitions>

一个简单的流程图至此已经绘制完成，如何启动流程，将在后边的博客讲解