Activiti6.0数据库表分析

最新推荐文章于 2025-07-12 15:52:51 发布

jiaodacailei

最新推荐文章于 2025-07-12 15:52:51 发布

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分类专栏： Activiti 文章标签： Activiti 数据库表

本文链接：https://blog.youkuaiyun.com/jiaodacailei/article/details/79173352

本文通过分析一个简单的请假流程，详细阐述了Activiti6.0在流程不同阶段与数据库表之间的交互，涉及流程定义、发布、请假申请、审批等过程，揭示了Activiti在流程实例化、审批状态变更时数据库表数据的变化情况。

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本文以一个简单的请假流程为例，分析在流程在流转的过程中，Activiti相关表数据的变化，从而深入学习Activiti。

1.流程定义

流程图如下：

具体配置如下，领导审批任务中提交的result值，会在网关进行判断，如果为false，则打回到开始的StartEvent。

<?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://activiti.org/bpmn20" id="review-definitions">
  <process id="sysTakeLeave" name="Review And Approve Activiti Process" isExecutable="true">
    <startEvent id="startevent1" name="Start">
      <extensionElements>
        <activiti:formProperty id="staffId" name="员工" type="string"></activiti:formProperty>
      </extensionElements>
    </startEvent>
    <userTask id="applyLeaveTask" name="请假申请" activiti:candidateUsers="${staffId}">
      <extensionElements>
        <activiti:formProperty id="reason" name="原因" type="string" required="true"></activiti:formProperty>
      </extensionElements>
    </userTask>
    <sequenceFlow id="flow1" sourceRef="startevent1" targetRef="applyLeaveTask"></sequenceFlow>
    <exclusiveGateway id="exclusivegateway1" name="审批是否通过" default="approved"></exclusiveGateway>
    <sequenceFlow id="flow2" sourceRef="reviewLeaveTask" targetRef="exclusivegateway1"></sequenceFlow>
    <endEvent id="endevent1" name="End"></endEvent>
    <sequenceFlow id="approved" name="审批通过" sourceRef="exclusivegateway1" targetRef="endevent1"></sequenceFlow>
    <sequenceFlow id="refused" name="拒绝" sourceRef="exclusivegateway1" targetRef="startevent1">
      <conditionExpression xsi:type="tFormalExpression"><![CDATA[${!result}]]></conditionExpression>
    </sequenceFlow>
    <userTask id="reviewLeaveTask" name="领导审批" activiti:candidateUsers="${leaveService.getManagerIds(staffId)}">
      <extensionElements>
        <activiti:formProperty id="managerId" name="经理" type="string" required="true"></activiti:formProperty>
        <activiti:formProperty id="result" name="结果" type="boolean">
          <activiti:value id="true" name="同意"></activiti:value>
          <activiti:value id="false" name="不同意"></activiti:value>
        </activiti:formProperty>
      </extensionElements>
    </userTask>
    <sequenceFlow id="flow5" sourceRef="applyLeaveTask" targetRef="reviewLeaveTask"></sequenceFlow>
  </process>
  <bpmndi:BPMNDiagram id="BPMNDiagram_sysTakeLeave">
    <bpmndi:BPMNPlane bpmnElement="sysTakeLeave" id="BPMNPlane_sysTakeLeave">
      <bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="90.0" y="151.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="applyLeaveTask" id="BPMNShape_applyLeaveTask">
        <omgdc:Bounds height="55.0" width="105.0" x="210.0" y="141.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="exclusivegateway1" id="BPMNShape_exclusivegateway1">
        <omgdc:Bounds height="40.0" width="40.0" x="520.0" y="148.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1">
        <omgdc:Bounds height="35.0" width="35.0" x="605.0" y="151.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="reviewLeaveTask" id="BPMNShape_reviewLeaveTask">
        <omgdc:Bounds height="55.0" width="105.0" x="370.0" y="141.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">
        <omgdi:waypoint x="125.0" y="168.0"></omgdi:waypoint>
        <omgdi:waypoint x="210.0" y="168.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">
        <omgdi:waypoint x="475.0" y="168.0"></omgdi:waypoint>
        <omgdi:waypoint x="52