SpringBoot下的工作流Activiti开发

发布时间：2020-06-23 12:05:34 来源：网络阅读：980 作者：素颜猪栏目：编程语言

1.准备pom.xml

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

<groupId>activiti.demo</groupId>

<artifactId>activiti-demo</artifactId>

<version>1.0-SNAPSHOT</version>

<name>activiti-demo</name>

<description>spring-activiti-demo</description>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-parent</artifactId>

<version>2.0.2.RELEASE</version>

</parent>

<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>

<java.version>1.8</java.version>

</properties>

<groupId>org.projectlombok</groupId>

<artifactId>lombok</artifactId>

<scope>provided</scope>

</dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter</artifactId>

</dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-web</artifactId>

</dependency>

<groupId>org.activiti</groupId>

<artifactId>activiti-spring-boot-starter-basic</artifactId>

</dependency>

<groupId>mysql</groupId>

<artifactId>mysql-connector-java</artifactId>

</dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-test</artifactId>

</dependency>

</dependencies>

<build>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-maven-plugin</artifactId>

</plugin>

</plugins>

</build>

</project>

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2.准备流程文件one-task-process.bpmn20.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>

</sequenceFlow>

</sequenceFlow>

</sequenceFlow>

</sequenceFlow>

</sequenceFlow>

</sequenceFlow>

</process>

</definitions>

-----------------------------------------------------------------------------------------------------------------------

3.准备SpringBoot属性文件application.properties

spring.datasource.driver-class-name=com.mysql.jdbc.Driver

spring.datasource.url=jdbc:mysql://127.0.0.1:3306/xh_activiti?useSSL=false&serverTimezone=UTC&useLegacyDatetimeCode=false&autoReconnect=true&failOverReadOnly=false&useUnicode=true&characterEncoding=UTF-8

spring.datasource.username=root

spring.datasource.password=123456

spring.jpa.properties.hibernate.hbm2ddl.auto=update

spring.jpa.show-sql=true

server.port=8082

server.tomcat.uri-encoding=UTF-8

spring.activiti.history-level=full

spring.activiti.database-schema-update=true

spring.activiti.check-process-definitions=false

-----------------------------------------------------------------------------------------------------------------------

4.实体类

包名：com.springboot.demo.domain

类名：Leave

实现：

package com.springboot.demo.domain;

import lombok.Data;

import java.io.Serializable;

import java.util.Date;

/**

* @ClassName Leave

* @Description TODO

* @Author yunshuodeng

* @Date 2019-05-05 15:47

* @Version 1.0

**/

@Data

public class Leave implements Serializable {

private String userId;

private Boolean submit;

private String startDate;

private String endDate;

private float totalDay;

private String desc;

private String taskId;

private String taskName;

private String approver1;

private Boolean agree1;

private String approveDesc1;

private String approver2;

private Boolean agree2;

private String approveDesc2;

private String processId;

}

-----------------------------------------------------------------------------------------------------------------------

5.控制器

包名：com.springboot.demo.controller

类名：LeaveController

实现：

package com.springboot.demo.controller;

import com.springboot.demo.domain.Leave;

import org.activiti.engine.HistoryService;

import org.activiti.engine.ProcessEngine;

import org.activiti.engine.RuntimeService;

import org.activiti.engine.TaskService;

import org.activiti.engine.history.HistoricProcessInstance;

import org.activiti.engine.runtime.ProcessInstance;

import org.activiti.engine.task.Task;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.util.CollectionUtils;

import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

/**

* @ClassName LeaveController

* @Description TODO

* @Author yunshuodeng

* @Date 2019-05-05 15:41

* @Version 1.0

**/

@RestController

@RequestMapping("level/v1")

public class LeaveController {

public static final Logger log = LoggerFactory.getLogger(LeaveController.class);

// 注入流程实例进行管理与控制的服务

@Autowired

private RuntimeService runtimeService;

// 注入流程任务进行管理服务

@Autowired

private TaskService taskService;

// 注入流程引擎

@Autowired

private ProcessEngine processEngine;

/**

* 部门主管审批

* @param leave

* @return

@RequestMapping(value = "/approve2", method = RequestMethod.POST)

public Map<String, Object> approve2(@RequestBody Leave leave){

Task task = taskService.createTaskQuery().taskId(leave.getTaskId()).singleResult();

Map<String, Object> vars = new HashMap<>();

Leave origin = (Leave) taskService.getVariable(leave.getTaskId(), "leave");

origin.setApproveDesc2(leave.getApproveDesc2());

origin.setAgree2(leave.getAgree2());

vars.put("leave", origin);

taskService.complete(leave.getTaskId(),vars);

Map<String, Object> resultMap = new HashMap<>();

resultMap.put("taskId",task.getId());

return resultMap;

}

/**

* 直接主管审批

* @param leave

* @return

@RequestMapping(value = "/approve1", method = RequestMethod.POST)

public Map<String, Object> approve1(@RequestBody Leave leave){

Task task = taskService.createTaskQuery().taskId(leave.getTaskId()).singleResult();

Map<String, Object> vars = new HashMap<>();

Leave origin = (Leave) taskService.getVariable(leave.getTaskId(), "leave");

origin.setApproveDesc1(leave.getApproveDesc1());

origin.setAgree1(leave.getAgree1());

vars.put("leave", origin);

taskService.complete(leave.getTaskId(),vars);

Map<String, Object> resultMap = new HashMap<>();

resultMap.put("taskId",task.getId());

return resultMap;

}

/**

* 查询用户流程

* @param userId

* @return

@RequestMapping(value = "/find", method = RequestMethod.GET)

public Map<String, Object> find(@RequestParam("userId")String userId){

List<Task> taskList = taskService.createTaskQuery().taskAssignee(userId).list();

System.out.println(taskList.size());

List<Leave> resultList = new ArrayList<>();

if(!CollectionUtils.isEmpty(taskList)){

for(Task task : taskList){

Leave leave = (Leave) taskService.getVariable(task.getId(),"leave");

leave.setTaskId(task.getId());

leave.setTaskName(task.getName());

resultList.add(leave);

}

Map<String, Object> resultMap = new HashMap<>();

resultMap.put("datas", resultList);

return resultMap;

}

/**

* 填写请假单

* @param leave

* @return

@RequestMapping(value = "apply",method = RequestMethod.POST)

public Map<String,Object> apply(@RequestBody Leave leave){

Task task = taskService.createTaskQuery().processInstanceId(leave.getProcessId()).singleResult();

Map<String,Object> map = new HashMap<>();

Leave origin = (Leave) taskService.getVariable(task.getId(),"leave");

origin.setDesc(leave.getDesc());

origin.setStartDate(leave.getStartDate());

origin.setEndDate(leave.getEndDate());

origin.setTotalDay(leave.getTotalDay());

origin.setApprover1(leave.getApprover1());

origin.setApprover2(leave.getApprover2());

origin.setSubmit(leave.getSubmit());

map.put("leave",origin);

taskService.complete(task.getId(),map);

Map<String,Object> resultMap = new HashMap<>();

resultMap.put("taskId",task.getId());

return resultMap;

}

/**

* 启动流程

* @param userId

* @return

@RequestMapping(value = "/start",method = RequestMethod.GET)

public Map<String,Object> start(@RequestParam String userId){

Map<String,Object> map = new HashMap<>();

Leave leave = new Leave();

leave.setUserId(userId);

map.put("leave",leave);

ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("leave1",map);

Map<String,Object> resultMap = new HashMap<>();

resultMap.put("processId",processInstance.getId());

return resultMap;

}

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6.启动应用，并按如下顺序进行访问

1）启动流程

访问地址：http://localhost:8082/level/v1/start?userId=10

返回结果：{"processId":"10001"}

2）填写请假单申请

访问地址：http://localhost:8082/level/v1/apply

参数列表：

{

"desc":"测试",

"startDate":"2019-05-05",

"endDate":"2019-05-09",

"totalDay":4,

"approver1":11,

"approver2":12,

"submit":true,

"processId":"10001"

}

返回结果：

{

"taskId": "10010"

}

3）查看流程中待办任务列表

访问地址：http://localhost:8082/level/v1/find?userId=11

返回结果：{"datas":[{"userId":"10","submit":true,"startDate":"2019-05-05","endDate":"2019-05-09","totalDay":4.0,"desc":"测试","taskId":"10016","taskName":"approve1","approver1":"11","agree1":null,"approveDesc1":null,"approver2":"12","agree2":null,"approveDesc2":null,"processId":null}]}

4）直接领导审批

访问地址：http://localhost:8082/level/v1/approve1

请求参数：

{

"taskId":10016,

"approveDesc1":"同意",

"agree1":true

}

返回结果：{

"taskId": "10016"

}

5）部门领导审批

查看流程中待办任务列表

访问地址：http://localhost:8082/level/v1/find?userId=12

返回结果：

{"datas":[{"userId":"10","submit":true,"startDate":"2019-05-05","endDate":"2019-05-09","totalDay":4.0,"desc":"测试","taskId":"10022","taskName":"approve2","approver1":"11","agree1":true,"approveDesc1":"同意","approver2":"12","agree2":null,"approveDesc2":null,"processId":null}]}

执行审批操作

访问地址：http://localhost:8082/level/v1/approve2

请求参数：

{

"taskId":10022,

"approveDesc2":"同意",

"agree2":true

}

返回结果：

{

"taskId": "10022"

}

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SpringBoot下的工作流Activiti开发

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