工作流框架Activiti7的学习的代码

package com.example; import org.activiti.engine.*; import org.activiti.engine.repository.Deployment; import org.activiti.engine.repository.Model; import org.activiti.engine.repository.ProcessDefinition; import org.activiti.engine.runtime.ProcessInstance; import org.activiti.engine.task.Task; import org.junit.jupiter.api.Test; import java.util.List; /** * 1.流程部署 * 2.流程发起 * 3.流程审核完成 * 4.前3个当中的查询 */ class ActivitiTest01 { /** * 获取ProcessEngine对象的第一种方式 */ @Test public void test1(){ //通过 getDefaultProcessEngine()方法获取流程引擎对象 会加载resources下的activiti.cfg.xml ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine(); System.out.println(processEngine); } /** * 基于Java代码获取ProcessEngine对象 */ @Test public void test2(){ ProcessEngine engine = ProcessEngineConfiguration .createStandaloneInMemProcessEngineConfiguration() .setJdbcUrl("jdbc:mysql://localhost:3306/activiti7") .setJdbcDriver("com.mysql.cj.jdbc.Driver") .setJdbcPassword("root") .setJdbcUsername("root") .setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_TRUE) .buildProcessEngine(); System.out.println(engine); } /** * 流程部署操作 */ @Test public void test3(){ // 1.获取ProcessEngine对象 ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine(); // 2.完成流程的部署操作 需要通过RepositoryService来完成 RepositoryService repositoryService = processEngine.getRepositoryService(); // 3.完成部署操作 Deployment deploy = repositoryService.createDeployment() .addClasspathResource("flow/test1.bpmn20.xml") .name("第一个流程") //流程部署的名称 .key("first") //流程部署的key .category("动漫类") //流程部署的类别 .deploy();//是一个流程部署的行为 可以部署多个流程定义（act_re_procdef表） System.out.println(deploy.getId()); System.out.println(deploy.getName()); System.out.println(deploy.getKey()); System.out.println(deploy.getCategory()); System.out.println(deploy.getDeploymentTime()); } /** * 查询当前部署的流程有哪些 */ @Test public void test4(){ ProcessEngine defaultProcessEngine = ProcessEngines.getDefaultProcessEngine(); RepositoryService repositoryService = defaultProcessEngine.getRepositoryService(); // 查询有哪些部署的流程-->查询相关的流程定义信息 // repositoryService.createDeploymentQuery() 查询流程部署的相关信息 // repositoryService.createProcessDefinitionQuery() 查询部署的流程的相关的定义 //查询的是act_re_deployment（流程部署表）这张表的数据 List<Deployment> list = repositoryService.createDeploymentQuery().list(); for (Deployment deployment : list) { System.out.println(deployment.getId()); System.out.println(deployment.getName()); } //查询的是act_re_procdef（流程定义表）这张表的数据 List<ProcessDefinition> processDefinitions = repositoryService.createProcessDefinitionQuery().list(); for (ProcessDefinition processDefinition : processDefinitions) { System.out.println(processDefinition.getId()); System.out.println(processDefinition.getName()); System.out.println(processDefinition.getDescription()); } //查询的是act_re_model这张表的数据 List<Model> models = repositoryService.createModelQuery().list(); for (Model model : models) { System.out.println(model.getId()); } } @Test public void testQueryDeployment(){ ProcessEngine defaultProcessEngine = ProcessEngines.getDefaultProcessEngine(); RepositoryService repositoryService = defaultProcessEngine.getRepositoryService(); Deployment deployment = repositoryService.createDeploymentQuery().deploymentKey("first").latest().singleResult(); System.out.println(deployment.getId()); } /** * 发起一个流程 */ @Test public void test5(){ ProcessEngine engine = ProcessEngines.getDefaultProcessEngine(); // 发起流程 需要通过 runtimeService 来实现 RuntimeService runtimeService = engine.getRuntimeService(); // 通过流程定义来启动流程 返回的是流程实例对象 //这里流程实例和流程定义 有点像实例和类的关系 ProcessInstance processInstance = runtimeService.startProcessInstanceById("test:1:3");//值是流程定义表act_re_procdef的ID_字段值 System.out.println(processInstance.getId()); System.out.println(processInstance.getDeploymentId()); System.out.println(processInstance.getDescription()); } /** * 待办查询 */ @Test public void test6(){ ProcessEngine engine = ProcessEngines.getDefaultProcessEngine(); // 待办查询 执行中的任务处理通过 TaskService来实现 TaskService taskService = engine.getTaskService(); // Task 对象对应的其实就是 act_ru_task 这张表的记录 List<Task> list = taskService.createTaskQuery().taskAssignee("lisi").list(); if(list != null && list.size() > 0){ for (Task task : list) { System.out.println(task.getId());//对应act_ru_task表的ID_字段 System.out.println(task.getName());//对应act_ru_task表的NAME_字段 System.out.println(task.getAssignee());//对应act_ru_task表的ASSIGNEE_字段 } }else{ System.out.println("当前没有待办任务"); } } /** * 任务审批-张三 */ @Test public void test7(){ ProcessEngine engine = ProcessEngines.getDefaultProcessEngine(); // 做任务申请 也需要通过 TaskService 来实现 TaskService taskService = engine.getTaskService(); // 完成任务 taskService.complete("10005");//该值拿的是act_ru_task表的ID_字段值 } /** * 任务审批-李四 */ @Test public void test7lisi(){ ProcessEngine engine = ProcessEngines.getDefaultProcessEngine(); // 做任务申请 也需要通过 TaskService 来实现 TaskService taskService = engine.getTaskService(); // 完成任务 taskService.complete("17502");//该值拿的是act_ru_task表的ID_字段值 } }