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          SpringBoot 集成 activiti的示例代碼

          時間:2020-10-08來源:www.snowmanhill.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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