工作流 Camunda/Activiti/Flowable

• camunda-modeler: https://github.com/camunda/camunda-modeler

BPMN/CMMN/DMN

• BPMN (Business Process Modeling Notation) 业务流程建模符号
• CMMN (Case Management Model and Notation) 案例管理模型与符号
• DMN (Decision Model and Notation) 决策模型与表示法

Camunda

java 服务部署 https://start.camunda.com/

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <groupId>com.example.workflow</groupId>
    <artifactId>my-project</artifactId>
    <version>1.0.0-SNAPSHOT</version>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>15</maven.compiler.source>
        <maven.compiler.target>15</maven.compiler.target>
    </properties>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>2.7.3</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>

            <dependency>
                <groupId>org.camunda.bpm</groupId>
                <artifactId>camunda-bom</artifactId>
                <version>7.18.0</version>
                <scope>import</scope>
                <type>pom</type>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <dependencies>
        <dependency>
            <groupId>org.camunda.bpm.springboot</groupId>
            <artifactId>camunda-bpm-spring-boot-starter-rest</artifactId>
        </dependency>

        <dependency>
            <groupId>org.camunda.bpm.springboot</groupId>
            <artifactId>camunda-bpm-spring-boot-starter-webapp</artifactId>
        </dependency>

        <dependency>
            <groupId>org.camunda.bpm</groupId>
            <artifactId>camunda-engine-plugin-spin</artifactId>
        </dependency>

        <dependency>
            <groupId>org.camunda.spin</groupId>
            <artifactId>camunda-spin-dataformat-all</artifactId>
        </dependency>

        <!--    <dependency>-->
        <!--      <groupId>com.h2database</groupId>-->
        <!--      <artifactId>h2</artifactId>-->
        <!--    </dependency>-->

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <version>2.7.3</version>
            </plugin>
        </plugins>
    </build>

</project>

src/main/resources/application.yaml

spring:
  datasource:
    url: jdbc:mysql://localhost:3306/camunda
    username: root
    password: "*c_c>CLos7cf"
    driverClass: com.mysql.cj.jdbc.Driver

camunda.bpm.admin-user:
  id: demo
  password: demo

server:
  port: 9001

src/main/resources/process.bpmn

<?xml version="1.0" encoding="UTF-8"?>
<bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xmlns:camunda="http://camunda.org/schema/1.0/bpmn" id="Definitions_0fr9mxs" targetNamespace="http://bpmn.io/schema/bpmn">
  <bpmn:process id="my-project-process" isExecutable="true">
    <bpmn:startEvent id="StartEvent_1">
      <bpmn:outgoing>SequenceFlow_1fp17al</bpmn:outgoing>
    </bpmn:startEvent>
    <bpmn:sequenceFlow id="SequenceFlow_1fp17al" sourceRef="StartEvent_1" targetRef="say-hello" />
    <bpmn:endEvent id="EndEvent_0x6ir2l">
      <bpmn:incoming>SequenceFlow_16gzt2m</bpmn:incoming>
    </bpmn:endEvent>
    <bpmn:sequenceFlow id="SequenceFlow_16gzt2m" sourceRef="say-hello" targetRef="EndEvent_0x6ir2l" />
    <bpmn:userTask id="say-hello" name="Say hello to&#10;demo" camunda:candidateUsers="demo">
      <bpmn:incoming>SequenceFlow_1fp17al</bpmn:incoming>
      <bpmn:outgoing>SequenceFlow_16gzt2m</bpmn:outgoing>
    </bpmn:userTask>
  </bpmn:process>
  <bpmndi:BPMNDiagram id="BPMNDiagram_1">
    <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="my-project-process">
      <bpmndi:BPMNShape id="_BPMNShape_StartEvent_2" bpmnElement="StartEvent_1">
        <dc:Bounds x="179" y="99" width="36" height="36" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge id="SequenceFlow_1fp17al_di" bpmnElement="SequenceFlow_1fp17al">
        <di:waypoint x="215" y="117" />
        <di:waypoint x="270" y="117" />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNShape id="EndEvent_0x6ir2l_di" bpmnElement="EndEvent_0x6ir2l">
        <dc:Bounds x="432" y="99" width="36" height="36" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge id="SequenceFlow_16gzt2m_di" bpmnElement="SequenceFlow_16gzt2m">
        <di:waypoint x="370" y="117" />
        <di:waypoint x="432" y="117" />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNShape id="UserTask_08mft2c_di" bpmnElement="say-hello">
        <dc:Bounds x="270" y="77" width="100" height="80" />
      </bpmndi:BPMNShape>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</bpmn:definitions>

启动页面

Camunda Modeler

下载地址 https://camunda.com/download/modeler/

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