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      SpringBoot 集成 activiti的示例代碼

      時間:2020-10-08來源:www.1999hs.com作者:電腦系統城

      SpringBoot 集成 activiti

       基礎環境搭建

      添加依賴

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      <dependency>
       <groupId>org.activiti</groupId>
       <artifactId>activiti-spring-boot-starter-basic</artifactId>
       <version>6.0.0</version>
       </dependency>   

      添加配置文件

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      server:
       tomcat:
       uri-encoding: UTF-8
       threads:
        # 最大工作線程數,默認200
        max: 1000
        # 最小工作空閑線程數,默認10。(適當增大一些,以便應對突然增長的訪問量)
        min-spare: 30
       port: 8082
      spring:
       datasource:
       driver-class-name: com.mysql.cj.jdbc.Driver
       url: jdbc:mysql://127.0.0.1:3306/activiti6-demo?characterEncoding=utf8&useSSL=false
       username: root
       password: 123456
       activiti:
       # 建表規則
       # false 默認值。在啟動時會對比數據庫中保存的版本,如果沒有表或版本不匹配則拋出異常。生產環境常用
       # true 對activiti所有表進行更新操作,不存在則自動創建。開發常用
       # create_drop 在啟動時創建,在關閉時刪除(必須手動關閉引擎,才能刪除)。單元測試常用
       # drop_create 在啟動時刪除原來的舊表,然后在創建新表(不需要手動關閉引擎)
       database-schema-update: true
       # 啟動的時候是否自動部署流程
       check-process-definitions: false
       # 歷史數據
       # none 不保存任何的歷史數據,因此,在流程執行過程中,這是最高效的
       # activity 級別高于none,保存流程實例與流程行為,其他數據不保存
       # audit 除activity級別會保存的數據外,還會保存全部的流程任務及其屬性。audit為history的默認值
       # full 保存歷史數據的最高級別,除了會保存audit級別的數據外,還會保存其他全部流程相關的細節數據,包括一些流程參數等
       history-level: audit
       # 不生成歷史表 activiti6默認啟用,activiti7默認關閉
       db-history-used: true

      現在運行項目報錯

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      java.lang.IllegalArgumentException: Could not find class [org.springframework.boot.autoconfigure.security.SecurityAutoConfiguration]
          at org.springframework.util.ClassUtils.resolveClassName(ClassUtils.java:334) ~[spring-core-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.core.annotation.TypeMappedAnnotation.adapt(TypeMappedAnnotation.java:446) ~[spring-core-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.core.annotation.TypeMappedAnnotation.getValue(TypeMappedAnnotation.java:369) ~[spring-core-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.core.annotation.TypeMappedAnnotation.asMap(TypeMappedAnnotation.java:284) ~[spring-core-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.core.annotation.AbstractMergedAnnotation.asAnnotationAttributes(AbstractMergedAnnotation.java:193) ~[spring-core-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.core.type.AnnotatedTypeMetadata.getAnnotationAttributes(AnnotatedTypeMetadata.java:106) ~[spring-core-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.context.annotation.AnnotationConfigUtils.attributesFor(AnnotationConfigUtils.java:285) ~[spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.context.annotation.AnnotationBeanNameGenerator.determineBeanNameFromAnnotation(AnnotationBeanNameGenerator.java:102) ~[spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.context.annotation.AnnotationBeanNameGenerator.generateBeanName(AnnotationBeanNameGenerator.java:81) ~[spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.registerBeanDefinitionForImportedConfigurationClass(ConfigurationClassBeanDefinitionReader.java:160) ~[spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass(ConfigurationClassBeanDefinitionReader.java:141) ~[spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions(ConfigurationClassBeanDefinitionReader.java:120) ~[spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:331) ~[spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:236) ~[spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:280) ~[spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:96) ~[spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:707) ~[spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:533) ~[spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143) ~[spring-boot-2.3.4.RELEASE.jar:2.3.4.RELEASE]
          at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:758) [spring-boot-2.3.4.RELEASE.jar:2.3.4.RELEASE]
          at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:750) [spring-boot-2.3.4.RELEASE.jar:2.3.4.RELEASE]
          at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.3.4.RELEASE.jar:2.3.4.RELEASE]
          at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) [spring-boot-2.3.4.RELEASE.jar:2.3.4.RELEASE]
          at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237) [spring-boot-2.3.4.RELEASE.jar:2.3.4.RELEASE]
          at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.3.4.RELEASE.jar:2.3.4.RELEASE]
          at com.test.activitydemo.ActivityDemoApplication.main(ActivityDemoApplication.java:11) [classes/:na]
      Caused by: java.lang.ClassNotFoundException: org.springframework.boot.autoconfigure.security.SecurityAutoConfiguration
          at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[na:1.8.0_191]
          at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_191]
          at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) ~[na:1.8.0_191]
          at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_191]
          at java.lang.Class.forName0(Native Method) ~[na:1.8.0_191]
          at java.lang.Class.forName(Class.java:348) ~[na:1.8.0_191]
          at org.springframework.util.ClassUtils.forName(ClassUtils.java:284) ~[spring-core-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          at org.springframework.util.ClassUtils.resolveClassName(ClassUtils.java:324) ~[spring-core-5.2.9.RELEASE.jar:5.2.9.RELEASE]
          ... 25 common frames omitted

      在啟動類中排除安全配置就可以成功運行

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      @SpringBootApplication( exclude = SecurityAutoConfiguration.class)
      public class ActivityDemoApplication {
       
       public static void main(String[] args) {
        SpringApplication.run(ActivityDemoApplication.class, args);
       }
      }

      idea 流程圖插件

      鏈接: https://pan.baidu.com/s/10Lt3RP48D52nfG1ZszT2hw  提取碼: e7eu

      簡單的請假流程 畫流程圖

      在這里插入圖片描述

      在這里插入圖片描述

      請假

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      package com.test.activitydemo.a_first;
       
      import com.test.activitydemo.ActivityDemoApplicationTests;
      import org.activiti.engine.HistoryService;
      import org.activiti.engine.RepositoryService;
      import org.activiti.engine.RuntimeService;
      import org.activiti.engine.TaskService;
      import org.activiti.engine.history.HistoricProcessInstance;
      import org.activiti.engine.history.HistoricTaskInstance;
      import org.activiti.engine.repository.Deployment;
      import org.activiti.engine.runtime.ProcessInstance;
      import org.activiti.engine.task.Task;
      import org.junit.jupiter.api.Test;
      import org.springframework.util.CollectionUtils;
       
      import javax.annotation.Resource;
      import java.util.List;
       
      /**
       * <p>
       *
       * </p>
       *
       * @author jisen wang
       * @Date 2020/10/7
       */
      public class ActivitiQuick extends ActivityDemoApplicationTests {
       
       @Resource
       private RepositoryService repositoryService;
       @Resource
       private RuntimeService runtimeService;
       @Resource
       private TaskService taskService;
       @Resource
       private HistoryService historyService;
       private final String bpmnNameAndKey = "first";
       
       /*見表,默認啟動的時候就會建好表格*/
       @Test
       public void createTable() {
       
       }
       
       /*第一步:--永遠是畫制流程圖---部署流程圖*/
       @Test
       public void deploy() {
        Deployment deploy = repositoryService.createDeployment()
          .addClasspathResource("processes/first.bpmn")
      //    .addClasspathResource("processes/first.png")
          .key(bpmnNameAndKey)
          .name(bpmnNameAndKey + "name")
          .category("HR")
          .deploy();
        System.out.println("流程部署ID\t" + deploy.getId());
        System.out.println("流程keyID\t" + deploy.getKey());
        System.out.println("流程名稱ID\t" + deploy.getName());
        System.out.println("流程分類ID\t" + deploy.getCategory());
       }
        
       /*第二步:啟動一個流程實例,相當于----有人請假一次*/
       @Test
       public void start() {
        ProcessInstance processInstance = runtimeService.startProcessInstanceByKey(bpmnNameAndKey);
        System.out.println("流程實例ID\t" + processInstance.getId());
        System.out.println("流程定義ID\t" + processInstance.getProcessDefinitionId());
        System.out.println("流程定義key\t" + processInstance.getProcessDefinitionKey());
       }
       
       /*第三步:查找個人待辦任務列表*/
       @Test
       public void findMyTask() {
        String assignee = "李四";
        List<Task> list = taskService.createTaskQuery()
          .taskAssignee(assignee)
          .list();
        if (!CollectionUtils.isEmpty(list)) {
         for (Task task : list) {
          System.out.println("任務ID\t" + task.getId());
          System.out.println("任務名稱\t" + task.getName());
          System.out.println("任務執行人\t" + task.getAssignee());
         }
        }
       }
        
       /*第四步:執行任務*/
       @Test
       public void complte() {
        String taskId = "5002";
        taskService.complete(taskId);
        System.out.println("任務執行完成");
       }
       
       /*第五步:查看歷史流程實例*/
       @Test
       public void findhistProcessInstance() {
        List<HistoricProcessInstance> list = historyService.createHistoricProcessInstanceQuery()
          .processDefinitionKey(bpmnNameAndKey)
          .list();
        if (!CollectionUtils.isEmpty(list)) {
         for (HistoricProcessInstance historicProcessInstance : list) {
          System.out.println("業務系統key\t" + historicProcessInstance.getBusinessKey());
          System.out.println("部署對象ID\t" + historicProcessInstance.getDeploymentId());
          System.out.println("執行時長\t" + historicProcessInstance.getDurationInMillis());
          System.out.println("流程定義ID\t" + historicProcessInstance.getProcessDefinitionId());
          System.out.println("流程定義的key\t" + historicProcessInstance.getProcessDefinitionKey());
          System.out.println("流程定義名稱\t" + historicProcessInstance.getProcessDefinitionName());
         }
        }
       }
       
       /*第六步:查看歷史任務*/
       @Test
       public void findHisTask(){
        List<HistoricTaskInstance> list = historyService.createHistoricTaskInstanceQuery()
          .list();
        if (!CollectionUtils.isEmpty(list)) {
         for (HistoricTaskInstance historicTaskInstance : list) {
          System.out.println("任務執行人\t" + historicTaskInstance.getAssignee());
          System.out.println("任務名稱\t" + historicTaskInstance.getName());
          System.out.println("任務ID\t" + historicTaskInstance.getId());
          System.out.println("流程實例ID\t" + historicTaskInstance.getProcessInstanceId());
          System.out.println("*****************");
         }
        }
       }
      }

      到此這篇關于SpringBoot 集成 activiti的示例代碼的文章就介紹到這了,

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