Activiti7整合Springboot使用记录

Activiti7整合Springboot使用记录,博智网带你了解详细信息。

目录
  • 0.Springboot项目创建
  • 1.引入Activiti相关依赖
  • 2.启动工程并创建activiti数据库
  • 3.流程部署
  • 4.流程实例启动
  • 5.任务查询
  • 6. 完成任务
  • 7.流程结束,或流程流转过程中的历史信息查询
  • 8.其他Api测试
    • 8.1 流程定义信息查询
    • 8.2 删除流程
  • 9.demo源码下载

    0.Springboot项目创建

    通过https://start.spring.io/生成纯净的一个springboot工程

    1.引入Activiti相关依赖

    <dependency>
        <groupId>org.activiti</groupId>
        <artifactId>activiti-spring-boot-starter</artifactId>
        <version>7.1.0.M6</version>
    </dependency>

    2.启动工程并创建activiti数据库

    ##activiti7中使用spring security,因此启动工程前,需要加入2个文件支持,2个文件的代码如下:

    package cn.gzsendi.activitidemotest.config;
    
    import java.util.Arrays;
    import java.util.List;
    import java.util.stream.Collectors;
    
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    import org.springframework.security.core.authority.SimpleGrantedAuthority;
    import org.springframework.security.core.userdetails.User;
    import org.springframework.security.core.userdetails.UserDetailsService;
    import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
    import org.springframework.security.crypto.password.PasswordEncoder;
    import org.springframework.security.provisioning.InMemoryUserDetailsManager;
    
    @Configuration
    public class ActivitiConfiguration {
    	
    	private Logger logger = LoggerFactory.getLogger(ActivitiConfiguration.class);
    	
    	@Bean(name = "userDetailsService")
        public UserDetailsService myUserDetailsService() {
    
            InMemoryUserDetailsManager inMemoryUserDetailsManager = new InMemoryUserDetailsManager();
    
            //用户
            String[][] usersGroupsAndRoles = {
                    {"hefy", "123456", "ROLE_ACTIVITI_USER"},
                    {"liujh", "123456", "ROLE_ACTIVITI_ADMIN"},
                    {"liuky", "123456", "ROLE_ACTIVITI_USER"},
                    {"admin", "123456", "ROLE_ACTIVITI_ADMIN"},
            };
    
            for (String[] user : usersGroupsAndRoles) {
                List<String> authoritiesStrings = Arrays.asList(Arrays.copyOfRange(user, 2, user.length));
                logger.info("> Registering new user: " + user[0] + " with the following Authorities[" + authoritiesStrings + "]");
                inMemoryUserDetailsManager.createUser(new User(user[0], passwordEncoder().encode(user[1]),
                        authoritiesStrings.stream().map(s -> new SimpleGrantedAuthority(s)).collect(Collectors.toList())));
            }
    
            return inMemoryUserDetailsManager;
    
        }
    	
    	@Bean
        public PasswordEncoder passwordEncoder() {
            return new BCryptPasswordEncoder();
        }
    
    }

    package cn.gzsendi.activitidemotest.utils;
    
    import java.util.Collection;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.beans.factory.annotation.Qualifier;
    import org.springframework.security.core.Authentication;
    import org.springframework.security.core.GrantedAuthority;
    import org.springframework.security.core.context.SecurityContextHolder;
    import org.springframework.security.core.context.SecurityContextImpl;
    import org.springframework.security.core.userdetails.UserDetails;
    import org.springframework.security.core.userdetails.UserDetailsService;
    import org.springframework.stereotype.Component;
    
    import javax.annotation.Resource;
    
    @Component
    public class SecurityUtil {
    	
    	@Autowired
        @Qualifier("userDetailsService")
        private UserDetailsService userDetailsService;
    	
    	public void logInAs(String username) {
    
            UserDetails user = userDetailsService.loadUserByUsername(username);
            
            if (user == null) {
                throw new IllegalStateException("User " + username + " doesn't exist, please provide a valid user");
            }
    
            SecurityContextHolder.setContext(new SecurityContextImpl(new Authentication() {
                @Override
                public Collection<? extends GrantedAuthority> getAuthorities() {
                    return user.getAuthorities();
                }
    
                @Override
                public Object getCredentials() {
                    return user.getPassword();
                }
    
                @Override
                public Object getDetails() {
                    return user;
                }
    
                @Override
                public Object getPrincipal() {
                    return user;
                }
    
                @Override
                public boolean isAuthenticated() {
                    return true;
                }
    
                @Override
                public void setAuthenticated(boolean isAuthenticated) throws IllegalArgumentException {
    
                }
    
                @Override
                public String getName() {
                    return user.getUsername();
                }
            }));
            
            org.activiti.engine.impl.identity.Authentication.setAuthenticatedUserId(username);
        }
    
    }

    ##加入activiti7的配置

    server.port=8080
    server.servlet.context-path=/activitidemotest
    
    spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
    spring.datasource.url=jdbc:mysql://localhost:3306/activitidemo?useSSL=false&useUnicode=true&characterEncoding=utf8&serverTimezone=GMT%2B8&allowMultiQueries=true
    spring.datasource.username=root
    spring.datasource.password=123456
    
    spring.activiti.database-schema-update=true
    spring.activiti.db-history-used=true
    spring.activiti.history-level=full
    spring.activiti.check-process-definitions=false
    spring.activiti.deployment-mode=never-fail
    spring.activiti.process-definition-location-prefix=classpath:/process/

    ##启动springboot工程,让系统启动时帮我们建好25张表 2.安装Activiti插件(设计器) ##Idea

    file->settings->plugins,然后找actiBPM进行安装。

    ##流程图中乱码问题先提前设置防止:

    修改idea64.exe.vmoptions文件,在文件中加上如下,然后重启Idea

    -Dfile.encoding=utf-8

    ##进行流程设计

    File->new->BpmnFile

    设计好后,修改Process1.bpmn成Process1.xml,然后右键export file导出成Process1.jpg,再将Process1.bpmn修改成Process1.bpmn20.xml,最后将2个文件放在process文件夹

    3.流程部署

    使用activiti提供的api把流程定义内容存储起来,Activiti执行把流程定义内容存储在数据库中。

    package cn.gzsendi.activitidemotest;
    
    /**
     * Created by jxlhl on 2021/8/18.
     */
    
    import org.activiti.engine.RepositoryService;
    import org.activiti.engine.repository.Deployment;
    import org.activiti.engine.repository.DeploymentBuilder;
    import org.junit.Test;
    import org.junit.runner.RunWith;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.boot.test.context.SpringBootTest;
    import org.springframework.test.context.junit4.SpringRunner;
    
    @RunWith(SpringRunner.class)
    @SpringBootTest
    public class SpringbootJunitTest {
    
        //得到RepositoryService实例
        @Autowired
        private RepositoryService repositoryService;
    
        //0.流程部署,单个文件部署方式
        @Test
        public void testDeployment(){
    
            //使用RepositoryService进行部署
            DeploymentBuilder builder = repositoryService.createDeployment();
            builder.addClasspathResource("process/Process1.bpmn20.xml");
            builder.addClasspathResource("process/Process1.jpg");
            builder.name("first_activiti_process");
            Deployment deployment = builder.deploy();
    
            //输出部署信息
            System.out.println("流程部署id:" + deployment.getId());
            System.out.println("流程部署名称:" + deployment.getName());
    
            //流程部署id:125098e1-ffd9-11eb-8847-02004c4f4f50
            //流程部署名称:first_activiti_process
    
        }
    
    }

    执行此操作后activiti会将上边代码中指定的bpmn20文件和图片文件保存在activiti数据库。

    流程定义部署后操作activiti的3张表

    4.流程实例启动

    启动一个流程实例表示开始一次业务流程的运行

      //1.流程实例启动
        @Test
        public void testStartProcess(){
            //根据流程定义Id启动流程
            ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("myProcess_1");
    
            //输出实例信息
            System.out.println("流程定义id:" + processInstance.getProcessDefinitionId());
            System.out.println("流程实例id:" + processInstance.getId());
            System.out.println("当前活动Id:" + processInstance.getActivityId());
    
            //流程定义id:myProcess_1:1:12702ed4-ffd9-11eb-8847-02004c4f4f50
            //流程实例id:a9b162aa-ffda-11eb-bad1-02004c4f4f50
            //当前活动Id:null
    
        }

    流程实例启动,将操作以下几个数据库表

    act_hi_actinst 流程实例执行历史
    act_hi_identitylink 流程的参与用户历史信息
    act_hi_procinst 流程实例历史信息
    act_hi_taskinst 流程任务历史信息
    act_ru_execution 流程执行信息
    act_ru_identitylink 流程的参与用户信息
    act_ru_task 任务信息

    5.任务查询

    流程启动后,任务的负责人就可以查询自己当前需要处理的任务,查询出来的任务都是该用户的待办任务。

     //2.任务查询
        //流程启动后,任务的负责人就可以查询自己当前需要处理的任务,查询出来的任务都是该用户的待办任务。
        @Test
        public void testFindPersonalTaskList() {
            //任务负责人
            String assignee = "liuky";
    
            //根据流程key 和 任务负责人 查询任务
            List<Task> list = taskService.createTaskQuery()
                    .processDefinitionKey("myProcess_1")
                    .taskAssignee(assignee)
                    .list();
    
            for (Task task : list) {
    
                System.out.println("流程实例id:" + task.getProcessInstanceId());
                System.out.println("任务id:" + task.getId());
                System.out.println("任务负责人:" + task.getAssignee());
                System.out.println("任务名称:" + task.getName());
    
            }
    
            //流程实例id:a9b162aa-ffda-11eb-bad1-02004c4f4f50
            //任务id:a9b5815e-ffda-11eb-bad1-02004c4f4f50
            //任务负责人:liuky
            //任务名称:提交申请
    
        }

    6. 完成任务

     @Test
        public void completTask(){
    
            //根据流程key和任务的负责人查询任务并选择其中的一个任务处理,这里用的
            //是singleResult返回一条,真实环境中是通过步骤5中查询出所有的任务,然后在页面上选择一个任务进行处理.
            Task task = taskService.createTaskQuery()
                    .processDefinitionKey("myProcess_1") //流程Key
                    .taskAssignee("liuky")  //要查询的负责人
                    .singleResult();
                    
            //完成任务,参数:任务id
            taskService.complete(task.getId());
    
        }

    7.流程结束,或流程流转过程中的历史信息查询

       //流程结束,或流程流转过程中的历史信息查询
        @Test
        public void findHistoryInfo(){
    
            //获取 actinst表的查询对象
            HistoricActivityInstanceQuery instanceQuery = historyService.createHistoricActivityInstanceQuery();
            //查询 actinst表,条件:根据 InstanceId 查询
            instanceQuery.processInstanceId("fb5b7674-ffde-11eb-91f8-02004c4f4f50");
            //增加排序操作,orderByHistoricActivityInstanceStartTime 根据开始时间排序 asc 升序
            instanceQuery.orderByHistoricActivityInstanceStartTime().asc();
            //查询所有内容
            List<HistoricActivityInstance> activityInstanceList = instanceQuery.list();
            //输出结果
            for (HistoricActivityInstance hi : activityInstanceList) {
    
                System.out.println("");
                System.out.println("===================-===============");
                System.out.println(hi.getStartTime());
                System.out.println(hi.getAssignee());
                System.out.println(hi.getActivityId());
                System.out.println(hi.getActivityName());
                System.out.println(hi.getProcessDefinitionId());
                System.out.println(hi.getProcessInstanceId());
                System.out.println("===================-===============");
                System.out.println("");
    
            }
        }

    8.其他Api测试

    8.1 流程定义信息查询

    查询流程相关信息,包含流程定义,流程部署,流程定义版本

    @Test
        public void queryProcessDefinition(){
    
            //得到ProcessDefinitionQuery对象
            ProcessDefinitionQuery processDefinitionQuery = repositoryService.createProcessDefinitionQuery();
    
            //查询出当前所有的流程定义
            List<ProcessDefinition> definitionList = processDefinitionQuery.processDefinitionKey("myProcess_1")
                    .orderByProcessDefinitionVersion()
                    .desc()
                    .list();
    
            //打印结果
            for (ProcessDefinition processDefinition : definitionList) {
                System.out.println("流程定义 id="+processDefinition.getId());
                System.out.println("流程定义 name="+processDefinition.getName());
                System.out.println("流程定义 key="+processDefinition.getKey());
                System.out.println("流程定义 Version="+processDefinition.getVersion());
                System.out.println("流程部署ID ="+processDefinition.getDeploymentId());
            }
    
        }

    8.2 删除流程

      //删除流程
        @Test
        public void deleteDeployment(){
    
            String deploymentId = "125098e1-ffd9-11eb-8847-02004c4f4f50";
    
            //删除流程定义,如果该流程定义已有流程实例启动则删除时出错
            repositoryService.deleteDeployment(deploymentId);
    
            //设置true 级联删除流程定义,即使该流程有流程实例启动也可以删除,设置为false非级别删除方式,如果流程
            //repositoryService.deleteDeployment(deploymentId, true);
    
        }

    9.demo源码下载

    github: https://github.com/jxlhljh/activitidemotest.git gitee: https://gitee.com/jxlhljh/activitidemotest.git

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