Activiti---demo

【请假流程】

0、初始化表

1、画流程图

　　1.1、画流程图

　　1.2、设置办理人

　　1.3、设置流程id、name 

　　　　　　【空白区域】

2、部署流程定义

　　2.1、将流程图重命名为.xml文件，再保存png文件，再将.xml文件改回bpmn文件；

3、启动流程

4、查询任务

5、办理任务

<?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">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.an</groupId>
    <artifactId>activitidemo</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <spring.version>4.3.17.RELEASE</spring.version>
        <mysql.version>5.1.10</mysql.version>
        <activiti.version>5.22.0</activiti.version>
        <mybatis.version>3.4.6</mybatis.version>
        <log4j.version>1.2.17</log4j.version>
    </properties>


    <dependencies>

        <dependency>
            <groupId>org.activiti</groupId>
            <artifactId>activiti-engine</artifactId>
            <version>${activiti.version}</version>
        </dependency>

        <dependency>
            <groupId>org.activiti</groupId>
            <artifactId>activiti-spring</artifactId>
            <version>${activiti.version}</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.21</version>
        </dependency>


        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-expression</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${mybatis.version}</version>
        </dependency>

        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>${log4j.version}</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.25</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-simple</artifactId>
            <version>1.7.25</version>
        </dependency>


        <!-- https://mvnrepository.com/artifact/junit/junit -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.8</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.junit.jupiter</groupId>
            <artifactId>junit-jupiter-api</artifactId>
            <version>RELEASE</version>
            <scope>compile</scope>
        </dependency>


    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.7.0</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

　　

log4j.rootLogger=INFO,stdout

log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{hh:mm:ss,SSS} [%t] %-5p %c %x - %m%n

log4j.logger.com.codahale.metrics=DEBUG
log4j.logger.com.ryantenney=DEBUG
log4j.logger.com.zaxxer=DEBUG
log4j.logger.org.apache=DEBUG
log4j.logger.org.hibernate=DEBUG
log4j.logger.org.hibernate.engine.internal=DEBUG
log4j.logger.org.hibernate.engine.validator=DEBUG
log4j.logger.org.springframework=DEBUG
log4j.logger.org.springframework.web=DEBUG
log4j.logger.org.springframework.security=DEBUG

　　

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                           http://www.springframework.org/schema/beans/spring-beans.xsd
                           http://www.springframework.org/schema/context
                           http://www.springframework.org/schema/context/spring-context.xsd
                           http://www.springframework.org/schema/tx
                           http://www.springframework.org/schema/tx/spring-tx.xsd
                           http://www.springframework.org/schema/aop
                           http://www.springframework.org/schema/aop/spring-aop.xsd">

    <bean id="processEngineConfiguration" class="org.activiti.engine.impl.cfg.StandaloneProcessEngineConfiguration">
        <property name="jdbcDriver" value="com.mysql.jdbc.Driver"/>
        <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/activiti?useSSL=false&allowPublicKeyRetrieval=true"/>
        <property name="jdbcUsername" value="root"/>
        <property name="jdbcPassword" value="123456"/>
        <property name="databaseSchemaUpdate" value="true"/>
    </bean>

</beans>

　　

package com.an.init;

import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngineConfiguration;
import org.activiti.engine.ProcessEngines;
import org.junit.jupiter.api.Test;
import org.springframework.jdbc.datasource.DriverManagerDataSource;

public class InitTables {

    @Test
    public static void initOne(){
        DriverManagerDataSource dataSource=new DriverManagerDataSource();
        dataSource.setDriverClassName("com.mysql.jdbc.Driver");
        dataSource.setUrl("jdbc:mysql://127.0.0.1:3306/activiti?useSSL=false");
        dataSource.setUsername("root");
        dataSource.setPassword("123456");

        ProcessEngineConfiguration processEngineConfiguration=ProcessEngineConfiguration.createStandaloneProcessEngineConfiguration();
        //数据源
        processEngineConfiguration.setDataSource(dataSource);
        //配置表的初始化方式
        processEngineConfiguration.setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_TRUE);
        //获取流程引擎
        ProcessEngine processEngine = processEngineConfiguration.buildProcessEngine();
        System.out.println(processEngine);
    }

    @Test
    public static void initTwo(){
        ProcessEngineConfiguration processEngineConfiguration=ProcessEngineConfiguration.createProcessEngineConfigurationFromResource("/activiti.cfg.xml");
        processEngineConfiguration.buildProcessEngine();
    }

    @Test
    public static void initThree(){
        ProcessEngines.getDefaultProcessEngine();
    }
}

　　

package com.an.helloworld;

import org.activiti.engine.*;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.task.Task;
import org.junit.jupiter.api.Test;

import java.util.List;

public class HelloWorld {


    private ProcessEngine processEngine= ProcessEngines.getDefaultProcessEngine();

    /**
     * 流程部署
     */
    @Test
    public void deployProcess(){

        RepositoryService repositoryService = processEngine.getRepositoryService();
        Deployment deployment = repositoryService.createDeployment().name("请假流程")
                .addClasspathResource("helloworld.bpmn")
                .addClasspathResource("helloworld.png")
                .deploy();
        System.out.println("部署成功!流程部署id："+deployment.getId());

    }

    /**
     * 启动流程
     */
    @Test
    public void startProcess(){

        RuntimeService runtimeService = processEngine.getRuntimeService();
        runtimeService.startProcessInstanceById("helloworld:1:4");
        System.out.println("流程启动成功！");

    }

    /**
     * 查询任务
     */
    @Test
    public void findTasks(){

        TaskService taskService = processEngine.getTaskService();
        List<Task> taskList = taskService.createTaskQuery().taskAssignee("王五").list();
        for (Task t:taskList) {
            System.out.println("任务ID："+t.getId());
            System.out.println("流程实例ID："+t.getProcessInstanceId());
            System.out.println("执行实例ID："+t.getExecutionId());
            System.out.println("流程定义ID："+t.getProcessDefinitionId());
            System.out.println("任务名称："+t.getName());
            System.out.println("任务办理人："+t.getAssignee());
        }
    }

    /**
     * 办理任务
     */
    @Test
    public void doTask(){

        TaskService taskService = processEngine.getTaskService();
        taskService.complete("7502");
        System.out.println("王五办理任务");

    }
}