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Activiti基础介绍/springboot整合

分类: 文章 • 2024-05-01 12:10:41

目录

activiti表介绍

大类

资源库流程规则表

运行时数据库表

历史数据库表

组织结构表

activiti相关api

ProcessEngineConfiguration

ProcessEngine

RepositoryService

RuntimeService

TaskService

规则管理相关

流程执行相关

不包含子流程

2.引入jar包

3.流程图

4.监听器

5.开启流程

6.审核任务

7.驳回

8.将一些信息脱离流程引擎

流程引擎关联业务表

流程引擎审批记录表

总结：

activiti表介绍

大类

ACT_RE_*: ‘RE’表示repository.这个前缀的表包含了流程定义和流程静态资源(图片，规则，等等)

ACT_RU_*:’RU’表示runtime。这些运行时的表，包含流程实例，任务变量，异步任务，等运行中数据。Activiti只在流程实例执行过程中保存这些数据，在流程结束时就会删除这些记录。这样运行时表可以一直很小速度很快。

ACT_ID_*:’ID’表示identity。这些表包含身份信息，比如用户，组等等。

ACT_HI_*:’HI’表示history。这些表包含历史数据，比如历史流程实例，变量，任务等等。

ACT_GE_*:’GE’表示general。通用数据，用于不同场景下，如存放资源文件

资源库流程规则表

  1. ACT_RE_DEPLOYMENT 部署信息表
  2. ACT_RE_MODEL 流程设计模型部署表
  3. ACT_RE_PROCDEF 流程定义数据表

运行时数据库表

  1. ACT_RU_EXECUTION 运行时流程执行实例表
  2. ACT_RU_IDENTITYLINK 运行时流程人员表，主要存储任务节点与参与者的相关信息
  3. ACT_RU_TASK  运行时任务节点表
  4. ACT_RU_VARIABLE 运行时流程变量数据表

历史数据库表

  1. ACT_HI_ACTINST 历史节点表
  2. ACT_HI_ATTACHMENT 历史附件表
  3. ACT_HI_COMMENT 历史意见表
  4. ACT_HI_IDENTITYLINK 历史流程人员表
  5. ACT_HI_DETAIL 历史详情表，提供历史变量的查询
  6. ACT_HI_PROCINST 历史流程实例表
  7. ACT_HI_TASKINST 历史任务实例表
  8. ACT_HI_VARINST 历史变量表

组织结构表

  1. ACT_ID_GROUP 用户组信息表
  2. ACT_ID_INFO 用户扩展信息表
  3. ACT_ID_MEMBERSHIP 用户与用户组对应信息表
  4. ACT_ID_USER 用户信息表

这四张表是activiti用来认证的，一般项目中不会用，都是自己有实现的

activiti相关api

ProcessEngineConfiguration

流程引擎配置对象(配置数据库连接4个大配置和建表策略)

ProcessEngine

流程引擎核心对象，代码中一般都是使用它的实例

RepositoryService

仓库服务；管理规则相关的信息

RuntimeService

运行时服务；负责流程的启动，查询，执行等操作

TaskService

任务服务；管理任务的查看，接手，办理等操作。

规则管理相关

  1. DeploymentBuilder(ACT_RE_DEPLOYMENT与ACT_RE_PROCDEF表通过ACT_RE_DEPLOYMENT的主键关联)发布配置对象(配置发布规则文件和规则图片)
  2. Deployment(ACT_RE_DEPLOYMENT) 发布对象(用于描述一次发布行为)
  3. ProcessDefinition(ACT_RE_PROCDEF) 流程定义对象
  4. ActivityImpl  流程对象

流程执行相关

  1. ProcessInstance (流程启动信息插入ACT_HI_PROCINST表中) 流程实例，描述一个规则下一次实际的执行
  2. Execution 执行对象，描述一个流程当前活动的节点信息
  3. Task(ACT_HI_TASKINST任务表中的PROC_INT_ID对应ACT_HI_PROCINST中的PROC_INT_ID字段) 任务对象，对执行对象的一种扩展描述，针对人工任务的详细信息展示

Task对象包含:ACT_HI_TASKINST和ACT_HI_VARINST的处理

不包含子流程

  1. 项目中配置
@Configuration
@ComponentScan(value = {"org.activiti.rest.service"}, excludeFilters = {@ComponentScan.Filter(type = FilterType.ASSIGNABLE_TYPE, classes = UserResource.class)})
public class ActivitiConfiguration {

    @Autowired
    DataSource dataSource;

    @Autowired
    PlatformTransactionManager transactionManager;

    @Autowired
    IdGenerator idGenerator;


    @Bean
    public SpringProcessEngineConfiguration processEngineConfiguration() {
        SpringProcessEngineConfiguration springProcessEngineConfiguration = new SpringProcessEngineConfiguration();
        springProcessEngineConfiguration.setAnnotationFontName("宋体");
        springProcessEngineConfiguration.setLabelFontName("宋体");
        springProcessEngineConfiguration.setActivityFontName("宋体");
        springProcessEngineConfiguration.setDataSource(dataSource);
        springProcessEngineConfiguration.setTransactionManager(transactionManager);
        springProcessEngineConfiguration.setDbIdentityUsed(false);
        springProcessEngineConfiguration.setIdGenerator(idGenerator);
        /*try {
            springProcessEngineConfiguration.setDeploymentResources(getResourceByClassPath("processes/"));
        } catch (IOException e) {
            throw new ActivitiException("can not load process file");
        }*/
        return springProcessEngineConfiguration;
    }

    public Resource[] getResourceByClassPath(String path) throws IOException {
        List<Resource> resourceList = new ArrayList<>();
        ClassPathResource classPathResource = new ClassPathResource(path);
        File file = classPathResource.getFile();
        if(file.isDirectory()){
            File[] files=  file.listFiles();
            resourceList.addAll(Arrays.stream(files).map(fileItem->new FileSystemResource(fileItem)).collect(Collectors.toList()));
        }else{
            resourceList.add(new FileSystemResource(file));
        }
        return resourceList.toArray(new Resource[resourceList.size()]);
    }


    @Bean
    public ProcessEngineFactoryBean processEngine() {
        ProcessEngineFactoryBean processEngineFactoryBean = new ProcessEngineFactoryBean();
        processEngineFactoryBean.setProcessEngineConfiguration(processEngineConfiguration());
        return processEngineFactoryBean;
    }

    @Bean
    public RestResponseFactory restResponseFactory() {
        return new RestResponseFactory();
    }

    @Bean
    public RuntimeService runtimeService() throws Exception {
        return processEngine().getObject().getRuntimeService();
    }

    @Bean
    public TaskService taskService() throws Exception {
        return processEngine().getObject().getTaskService();
    }

    @Bean
    public ManagementService managementService() throws Exception {
        return processEngine().getObject().getManagementService();
    }

    @Bean
    public IdentityService identityService() throws Exception {
        return processEngine().getObject().getIdentityService();
    }

    @Bean
    public HistoryService historyService() throws Exception {
        return processEngine().getObject().getHistoryService();
    }

    @Bean
    public FormService formService() throws Exception {
        return processEngine().getObject().getFormService();
    }

    @Bean
    public DynamicBpmnService dynamicBpmnService() throws Exception {
        return processEngine().getObject().getDynamicBpmnService();
    }

    @Bean
    public RepositoryService repositoryService() throws Exception {
        return processEngine().getObject().getRepositoryService();
    }

    @Bean
    public ContentTypeResolver contentTypeResolver() {
        return new DefaultContentTypeResolver();
    }
}

2.引入jar包

org.activiti:activiti-spring-boot-starter-basic:6.0.0

3.流程图

Activiti基础介绍/springboot整合

执行的操作是指定这个task的处理人是谁
        <activiti:taskListener event="create" delegateExpression="${initExpertCheckUsersListener}"></activiti:taskListener>
      </extensionElements>
    </userTask>
    <sequenceFlow id="flow3" sourceRef="declde_submit" targetRef="engineering_check">
      <conditionExpression xsi:type="tFormalExpression"><![CDATA[${result == "true"}]]></conditionExpression>
    </sequenceFlow>
    <exclusiveGateway id="declde_engineering" name="判断工程部是否通过"></exclusiveGateway>
    <sequenceFlow id="flow4" sourceRef="engineering_check" targetRef="declde_engineering"></sequenceFlow>
    <userTask id="group_check" name="集团审核">
        <extensionElements>
            <activiti:taskListener event="create" delegateExpression="${initExpertCheckUsersListener}"></activiti:taskListener>
        </extensionElements>
    </userTask>
    <sequenceFlow id="flow5" sourceRef="declde_engineering" targetRef="group_check">
      <conditionExpression xsi:type="tFormalExpression"><![CDATA[${result == "true"}]]></conditionExpression>
    </sequenceFlow>
    <endEvent id="cancel_end_event" name="取消提交"></endEvent>
    <sequenceFlow id="flow7" sourceRef="declde_submit" targetRef="cancel_end_event">
      <conditionExpression xsi:type="tFormalExpression"><![CDATA[${result == "false"}]]></conditionExpression>
    </sequenceFlow>
    <sequenceFlow id="flow10" sourceRef="declde_engineering" targetRef="init_expert_status_info">
      <conditionExpression xsi:type="tFormalExpression"><![CDATA[${result == "false"}]]></conditionExpression>
    </sequenceFlow>
    <exclusiveGateway id="declde_group" name="判断集团审核是否通过"></exclusiveGateway>
    <sequenceFlow id="flow11" sourceRef="group_check" targetRef="declde_group"></sequenceFlow>
    <sequenceFlow id="flow13" sourceRef="declde_group" targetRef="init_expert_status_info">
      <conditionExpression xsi:type="tFormalExpression"><![CDATA[${result == "false"}]]></conditionExpression>
    </sequenceFlow>
    <endEvent id="end_event" name="结束"></endEvent>
    <sequenceFlow id="flow14" sourceRef="declde_group" targetRef="end_event">
      <conditionExpression xsi:type="tFormalExpression"><![CDATA[${result == "true"}]]></conditionExpression>
    </sequenceFlow>
  </process>
  <bpmndi:BPMNDiagram id="BPMNDiagram_EXPERT_STATUS_UPDATE_CHECK">
    <bpmndi:BPMNPlane bpmnElement="EXPERT_STATUS_UPDATE_CHECK" id="BPMNPlane_EXPERT_STATUS_UPDATE_CHECK">
      <bpmndi:BPMNShape bpmnElement="start_event" id="BPMNShape_start_event">
        <omgdc:Bounds height="35.0" width="35.0" x="110.0" y="200.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="init_expert_status_info" id="BPMNShape_init_expert_status_info">
        <omgdc:Bounds height="55.0" width="105.0" x="190.0" y="190.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="declde_submit" id="BPMNShape_declde_submit">
        <omgdc:Bounds height="40.0" width="40.0" x="340.0" y="198.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="engineering_check" id="BPMNShape_engineering_check">
        <omgdc:Bounds height="110.0" width="156.0" x="430.0" y="163.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="declde_engineering" id="BPMNShape_declde_engineering">
        <omgdc:Bounds height="40.0" width="40.0" x="631.0" y="199.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="group_check" id="BPMNShape_group_check">
        <omgdc:Bounds height="79.0" width="151.0" x="717.0" y="181.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="cancel_end_event" id="BPMNShape_cancel_end_event">
        <omgdc:Bounds height="35.0" width="35.0" x="343.0" y="330.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="declde_group" id="BPMNShape_declde_group">
        <omgdc:Bounds height="40.0" width="40.0" x="913.0" y="201.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="end_event" id="BPMNShape_end_event">
        <omgdc:Bounds height="35.0" width="35.0" x="998.0" y="204.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">
        <omgdi:waypoint x="145.0" y="217.0"></omgdi:waypoint>
        <omgdi:waypoint x="190.0" y="217.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">
        <omgdi:waypoint x="295.0" y="217.0"></omgdi:waypoint>
        <omgdi:waypoint x="340.0" y="218.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3">
        <omgdi:waypoint x="380.0" y="218.0"></omgdi:waypoint>
        <omgdi:waypoint x="430.0" y="218.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow4" id="BPMNEdge_flow4">
        <omgdi:waypoint x="586.0" y="218.0"></omgdi:waypoint>
        <omgdi:waypoint x="631.0" y="219.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow5" id="BPMNEdge_flow5">
        <omgdi:waypoint x="671.0" y="219.0"></omgdi:waypoint>
        <omgdi:waypoint x="717.0" y="220.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow7" id="BPMNEdge_flow7">
        <omgdi:waypoint x="360.0" y="238.0"></omgdi:waypoint>
        <omgdi:waypoint x="360.0" y="330.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow10" id="BPMNEdge_flow10">
        <omgdi:waypoint x="651.0" y="199.0"></omgdi:waypoint>
        <omgdi:waypoint x="651.0" y="131.0"></omgdi:waypoint>
        <omgdi:waypoint x="242.0" y="131.0"></omgdi:waypoint>
        <omgdi:waypoint x="242.0" y="190.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow11" id="BPMNEdge_flow11">
        <omgdi:waypoint x="868.0" y="220.0"></omgdi:waypoint>
        <omgdi:waypoint x="913.0" y="221.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow13" id="BPMNEdge_flow13">
        <omgdi:waypoint x="933.0" y="241.0"></omgdi:waypoint>
        <omgdi:waypoint x="932.0" y="294.0"></omgdi:waypoint>
        <omgdi:waypoint x="242.0" y="294.0"></omgdi:waypoint>
        <omgdi:waypoint x="242.0" y="245.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow14" id="BPMNEdge_flow14">
        <omgdi:waypoint x="953.0" y="221.0"></omgdi:waypoint>
        <omgdi:waypoint x="998.0" y="221.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>

4.监听器

@Component("initExpertCheckUsersListener")
public class InitExpertCheckUsersListener implements TaskListener {
    @Autowired
    private HistoryService historyService;
    @Autowired
    private BpmTaskOptionRepository bpmTaskOptionRepository;

    @Override
    public void notify(DelegateTask delegateTask) {
        List<String> candoUser = Lists.newArrayList();
//        String variable = (String)delegateTask.getVariable(NormalConstants.PROGRESS.PARAMETER_KEY.RESULT);
//        String processInstanceId = delegateTask.getProcessInstanceId();
        String taskDefinitionKey = delegateTask.getTaskDefinitionKey();
        switch (taskDefinitionKey){
            case  NormalConstants.PROGRESS.TASK_KEY.ENGINNER:
                //todo 查找各个 流程节点 能审核的人
                break;
            case  NormalConstants.PROGRESS.TASK_KEY.GROUP:
                break;
        }
        //todo 暂时写能审核的人
        candoUser.add("314700026");
        candoUser.add("192900003");
        delegateTask.addCandidateUsers(candoUser);
    }
}

5.开启流程

//开启 哪个流程  哪个人的流程
ProcessInstance processInstance = runtimeService.startProcessInstanceByKey(NormalConstants.PROGRESS.EXPERT.SAVE_EXPERT, String.valueOf(expertId), variables);

6.审核任务

//查询哪个流程  哪个人（和业务挂钩）的任务
Task task = taskService.createTaskQuery().processDefinitionKey(NormalConstants.PROGRESS.EXPERT.SAVE_EXPERT).processInstanceBusinessKey(String.valueOf(expertId)).singleResult();
//设置处理结果
taskService.setVariable(task.getId(), NormalConstants.PROGRESS.PARAMETER_KEY.RESULT, NormalConstants.PROGRESS.RESULT.TRUE);
//提交任务
taskService.complete(task.getId());

7.驳回

如果是驳回的 可以在监听器里面处理 获取流程变量 如果为false那么就是驳回 可以指派任务谁可以做，我这里是如果驳回了就把之前谁做的重新指派给他 

Task task = taskService.createTaskQuery().processDefinitionKey(NormalConstants.PROGRESS.EXPERT.SAVE_EXPERT).processInstanceBusinessKey(String.valueOf(expertId)).singleResult();
String taskDefinitionKey = task.getTaskDefinitionKey();
//之前这一步的审批记录
Optional<BpmTaskOption> bpmTaskOption = bpmTaskOptionRepository.findTopByProcessIdAndTaskKeyOrderByCreateTimeDesc(processId, taskDefinitionKey);
//还是将这一步的审核人 指定之前的审核的人
taskService.addCandidateUser(task.getId(), bpmTaskOption.get().getApproverUserID().toString());

Task task = taskService.createTaskQuery().processDefinitionKey(NormalConstants.PROGRESS.EXPERT.SAVE_EXPERT).processInstanceBusinessKey(String.valueOf(expertId)).singleResult();
String taskDefinitionKey = task.getTaskDefinitionKey();
//之前这一步的审批记录
Optional<BpmTaskOption> bpmTaskOption = bpmTaskOptionRepository.findTopByProcessIdAndTaskKeyOrderByCreateTimeDesc(processId, taskDefinitionKey);
//还是将这一步的审核人 指定之前的审核的人
taskService.addCandidateUser(task.getId(), bpmTaskOption.get().getApproverUserID().toString());

8.将一些信息脱离流程引擎

流程引擎关联业务表

记录 哪种流程 发起的记录 以及一些相关信息

DROP TABLE [dbo].[BPM_BUS_LINK]

GO

CREATE TABLE [dbo].[BPM_BUS_LINK] (

[ID] varchar(64) NOT NULL ,

[PROCESS_ID] varchar(64) NOT NULL ,

[PROCESS_DEF_ID] varchar(64) NOT NULL ,

[BUS_ID] int NOT NULL ,

[START_USER_NAME] varchar(50) NULL ,

[START_USER_ID] int NULL ,

[BIZ_CODE] varchar(64) NULL ,

[STATUS] int NULL ,

[BPM_NAME] varchar(60) NULL ,

[CREATE_TIME] datetime NULL ,

[END_TIME] datetime NULL ,

[BUS_NAME] varchar(60) NULL

)

@ApiModel(value = "流程引擎关联业务")
@Table(name = "BPM_BUS_LINK")
public class BpmBusLink {

    @Id
    @Column(name = "ID", nullable = false)
    @GenericGenerator(name = "bus-uuid", strategy = "uuid")
    @GeneratedValue(generator = "bus-uuid")
    private String id;

    @Column(name = "PROCESS_ID")
    @ApiModelProperty(value = "流程实例id")
    private String processId;

    @Column(name = "PROCESS_DEF_ID")
    @ApiModelProperty(value = "流程定义id")
    private String processDefId;

    @Column(name = "BUS_ID")
    @ApiModelProperty(value = "业务主键")
    private Integer busId;

    @Column(name = "BUS_NAME")
    @ApiModelProperty(value = "业务人名称")
    private String busName;

    @Column(name = "START_USER_NAME")
    @ApiModelProperty(value = "发起人姓名")
    private String startUserName;

    @Column(name = "START_USER_ID")
    @ApiModelProperty(value = "发起人id")
    private Integer startUserId;

    @Column(name = "BIZ_CODE")
    @ApiModelProperty(value = "流程区分")
    private String bizCode;

    @Column(name = "STATUS")
    @ApiModelProperty(value = "当前状态")
    private Integer status;

    @Column(name = "BPM_NAME")
    @ApiModelProperty(value = "流程简介")
    private String bpmName;

    @Column(name = "CREATE_TIME")
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    @ApiModelProperty(value = "流程发起时间")
    private LocalDateTime createTime;

    @Column(name = "END_TIME")
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    @ApiModelProperty(value = "流程结束时间")
    private LocalDateTime endTime;

流程引擎审批记录表

记录 那种流程 每个task 处理信息

DROP TABLE [dbo].[BPM_TASK_OPINION]

GO

CREATE TABLE [dbo].[BPM_TASK_OPINION] (

[ID] varchar(64) NOT NULL ,

[PROCESS_ID] varchar(64) NOT NULL ,

[TASK_ID] varchar(64) NOT NULL ,

[TASK_KEY] varchar(64) NULL ,

[TASK_NAME] varchar(255) NULL ,

[TASK_TOKEN] varchar(255) NULL ,

[APPROVER_USER_NAME] varchar(50) NULL ,

[APPROVER_USER_ID] int NULL ,

[APPROVER_USER_OPTION] varchar(255) NULL ,

[APPROVER_STATUS] int NULL ,

[CREATE_TIME] datetime NULL ,

[APPROVER_TIME] datetime NULL ,

[BIZ_CODE] varchar(64) NULL ,

[BUS_ID] int NULL

)

@ApiModel(value = "流程任务审批记录")
@Table(name = "BPM_TASK_OPINION")
public class BpmTaskOption {

    @Id
    @Column(name = "ID", nullable = false)
    @GenericGenerator(name = "bus-uuid", strategy = "uuid")
    @GeneratedValue(generator = "bus-uuid")
    private String id;

    @Column(name = "PROCESS_ID")
    @ApiModelProperty(value = "流程实例id")
    private String processId;

    @Column(name = "TASK_ID")
    @ApiModelProperty(value = "任务id")
    private String taskId;

    @Column(name = "TASK_KEY")
    @ApiModelProperty(value = "任务定义key")
    private String taskKey;

    @Column(name = "TASK_NAME")
    @ApiModelProperty(value = "任务Name")
    private String taskName;

    @Column(name = "TASK_TOKEN")
    @ApiModelProperty(value = "任务令牌")
    private String taskToken;

    @Column(name = "APPROVER_USER_NAME")
    @ApiModelProperty(value = "审批人名称")
    private String approverUserName;

    @Column(name = "APPROVER_USER_ID")
    @ApiModelProperty(value = "审批人ID")
    private Integer approverUserID;

    @Column(name = "APPROVER_USER_OPTION")
    @ApiModelProperty(value = "审批人意见")
    private String approverUserOPTION;

    /**
     * 1 发起     3 同意   6驳回
     */
    @Column(name = "APPROVER_STATUS")
    @ApiModelProperty(value = "审批状态")
    private Integer approverStatus;

    @Column(name = "CREATE_TIME")
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    @ApiModelProperty(value = "创建时间")
    private LocalDateTime createTime;

    @Column(name = "APPROVER_TIME")
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    @ApiModelProperty(value = "审批时间")
    private LocalDateTime approverTime;

    @Column(name = "BIZ_CODE")
    @ApiModelProperty(value = "流程区分")
    private String bizCode;

    @Column(name = "BUS_ID")
    @ApiModelProperty(value = "业务主键")
    private Integer busId;

总结：

到目前为止只是简单的没有子流程的使用，一些流程变量，流程实例，流程定义概念还需要理解

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