activiti6+springboot2 的第一個簡單demo

//流程圖的畫法：鼠標放圖形中間，出現大黑點時候，拖到下一個圖形處，即可連線。部門審批，總經理審批，雙擊中間輸入文字即可。

這個流程中的用戶是寫死的。后面會設置動態用戶。

 

 

 

 

import org.activiti.engine.RepositoryService;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.TaskService;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.repository.ProcessDefinition;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

@RestController
@RequestMapping("/activiti")
public class ActivitiController {
@Autowired
private RepositoryService repositoryService;
@Autowired
private RuntimeService runtimeService;
@Autowired
private TaskService taskService;
@RequestMapping("hello_world")
    public void helloWorld() { 
        //根據bpmn文件部署流程 
        Deployment deploy = repositoryService.createDeployment()
        .addClasspathResource("processes/leave.bpmn")
        .deploy(); 
        //獲取流程定義 processes/leave.bpmn
        ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().deploymentId(deploy.getId()).singleResult();
        //啟動流程定義，返回流程實例 
        ProcessInstance pi = runtimeService.startProcessInstanceById(processDefinition.getId());
        String processId = pi.getId(); 
        System.out.println("流程創建成功，當前流程實例ID："+processId); 
        Task task=taskService.createTaskQuery().processInstanceId(processId).singleResult();
        System.out.println("執行前，任務名稱："+task.getName()); 
        taskService.complete(task.getId()); 
        task = taskService.createTaskQuery().processInstanceId(processId).singleResult(); 
        System.out.println("task為null，任務執行完畢："+task); 
    }

}

啟動項目 訪問：http://loaclhost:8080/acticiti/hello_world

 

注意：bpmn文件的路徑不要錯了。