activiti 7 + springboot2（六） SpringBoot2 整合 Activiti7

（一）首先 pom.xml 文件中引入相关的依赖，具体依赖如下所示：

<?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">
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.3.RELEASE</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.activiti.examples</groupId>
    <artifactId>activiti-3</artifactId>
    <version>1.0</version>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>8</java.version>
        <maven.compiler.source>${java.version}</maven.compiler.source>
        <maven.compiler.target>${java.version}</maven.compiler.target>
        <activiti-dependencies.version>7.1.24</activiti-dependencies.version>
    </properties>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.activiti.dependencies</groupId>
                <artifactId>activiti-dependencies</artifactId>
                <version>${activiti-dependencies.version}</version>
                <scope>import</scope>
                <type>pom</type>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.activiti</groupId>
            <artifactId>activiti-spring-boot-starter</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>
        <!-- mysql数据库 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
        <!-- 测试 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>${maven-compiler-plugin.version}</version>
                <configuration>
                    <release>${java.version}</release>
                    <showDeprecation>true</showDeprecation>
                    <showWarnings>true</showWarnings>
                    <optimize>true</optimize>
                </configuration>
            </plugin>
        </plugins>
    </build>

    <!-- 添加私服仓库地址，否则找不到包 -->
    <repositories>
        <repository>
            <id>alfresco</id>
            <name>Activiti Releases</name>
            <url>https://artifacts.alfresco.com/nexus/content/repositories/activiti-releases/</url>
            <releases>
                <enabled>true</enabled>
            </releases>
        </repository>
    </repositories>

</project>

（二）springboot 的配置文件 application.yml中添加相关的配置：

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/platform_activiti?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true&useSSL=false
    username: root
    password: pass
    hikari:
      minimum-idle: 5
      maximum-pool-size: 20
      connection-test-query: SELECT 1
  activiti:
    # 开启历史库
    db-history-used: true
    history-level: audit

（三）流程资源

资源文件放在 resources/processes 目录下，activiti程序启动会自动发布流程

（四）编写Applocation主程序

package com.activiti.example;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class ActivitiApplication {

    public static void main(String[] args) {
        SpringApplication.run(ActivitiApplication.class, args);
    }

}

运行程序，从控制台输出中可以看到，自动创建了数据库，并且发布了"请假申请"的流程

（五）编写基于SpringBootTest的测试程序

package com.activiti.example;

import org.activiti.api.process.runtime.ProcessRuntime;
import org.activiti.api.task.runtime.TaskRuntime;
import org.activiti.engine.*;
import org.activiti.engine.history.HistoricTaskInstance;
import org.activiti.engine.task.Task;
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;

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

@RunWith(SpringRunner.class)
@SpringBootTest
public class ActivitiTest {
    @Autowired
    private RepositoryService repositoryService;
    @Autowired
    private TaskService taskService;
    @Autowired
    private RuntimeService runtimeService;
    @Autowired
    private HistoryService historyService;
/**
     * 启动一个实例
     */
    @Test
    public void startProcessInstance() {
        System.out.println("Number of process definitions : "+ repositoryService.createProcessDefinitionQuery().count());
        System.out.println("Number of tasks : " + taskService.createTaskQuery().count());
        runtimeService.startProcessInstanceByKey("myProcess_1");
    }

    /**
     * 查询用户的任务列表
     */
    @Test
    public void taskQuery() {
        //根据流程定义的key,负责人assignee来实现当前用户的任务列表查询
        List<Task> list = taskService.createTaskQuery()
                .processDefinitionKey("myProcess_1")
                .taskAssignee("john")
                .list();

        if(list!=null && list.size()>0){
            for(Task task:list){
                System.out.println("任务ID:"+task.getId());
                System.out.println("任务名称:"+task.getName());
                System.out.println("任务的创建时间:"+task.getCreateTime());
                System.out.println("任务的办理人:"+task.getAssignee());
                System.out.println("流程实例ID："+task.getProcessInstanceId());
                System.out.println("执行对象ID:"+task.getExecutionId());
                System.out.println("流程定义ID:"+task.getProcessDefinitionId());
                System.out.println("getOwner:"+task.getOwner());
                System.out.println("getCategory:"+task.getCategory());
                System.out.println("getDescription:"+task.getDescription());
                System.out.println("getFormKey:"+task.getFormKey());
                Map<String, Object> map = task.getProcessVariables();
                for (Map.Entry<String, Object> m : map.entrySet()) {
                    System.out.println("key:" + m.getKey() + " value:" + m.getValue());
                }
                for (Map.Entry<String, Object> m : task.getTaskLocalVariables().entrySet()) {
                    System.out.println("key:" + m.getKey() + " value:" + m.getValue());
                }

            }
        }
    }

    /**
     * 完成任务
     */
    @Test
    public void completeTask(){
        //任务ID
        String taskId = "967465fe-3367-11ea-a057-30b49ec7161f";
        taskService.complete(taskId);
        System.out.println("完成任务：任务ID："+taskId);
    }

    /**
     * 历史活动实例查询
     */
    @Test
    public void queryHistoryTask() {
        List<HistoricTaskInstance> list = historyService.createHistoricTaskInstanceQuery() // 创建历史活动实例查询
                .processInstanceId("9671cdea-3367-11ea-a057-30b49ec7161f") // 执行流程实例id
                .orderByTaskCreateTime()
                .asc()
                .list();
        for (HistoricTaskInstance hai : list) {
            System.out.println("活动ID:" + hai.getId());
            System.out.println("流程实例ID:" + hai.getProcessInstanceId());
            System.out.println("活动名称：" + hai.getName());
            System.out.println("办理人：" + hai.getAssignee());
            System.out.println("开始时间：" + hai.getStartTime());
            System.out.println("结束时间：" + hai.getEndTime());
        }
    }
}

源码下载 https://download.csdn.net/download/zsg88/12094838

activiti 7 + springboot2（六） SpringBoot2 整合 Activiti7

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