spring boot与activiti集成实战 转

为什么80%的码农都做不了架构师？>>>

这是原作者的博客地址

http://wiselyman.iteye.com/blog/2285223 

代码格式混乱,我修正了一下.项目源码在:

http://git.oschina.net/fengyexjtu/spring-boot-activiti

流程设计

<?xml version='1.0' encoding='UTF-8'?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL"
             xmlns:activiti="http://activiti.org/bpmn"
             typeLanguage="http://www.w3.org/2001/XMLSchema" expressionLanguage="http://www.w3.org/1999/XPath"
             targetNamespace="http://www.activiti.org/test">
	<process id="joinProcess" name="Join process" isExecutable="true">
		<startEvent id="startevent1" name="Start">
			<extensionElements>
				<activiti:formProperty id="personId" name="person id" type="long"
				                       required="true"></activiti:formProperty>
				<activiti:formProperty id="compId" name="company Id" type="long"
				                       required="true"></activiti:formProperty>
			</extensionElements>
		</startEvent>
		<endEvent id="endevent1" name="End"></endEvent>
		<userTask id="ApprovalTask" name="Approval Task"
		          activiti:candidateUsers="${joinService.findUsers(execution)}" isForCompensation="true">
			<extensionElements>
				<activiti:formProperty id="joinApproved" name="Join Approved" type="enum">
					<activiti:value id="true" name="Approve"></activiti:value>
					<activiti:value id="false" name="Reject"></activiti:value>
				</activiti:formProperty>
			</extensionElements>
		</userTask>
		<sequenceFlow id="flow1" sourceRef="startevent1" targetRef="ApprovalTask"></sequenceFlow>
		<serviceTask id="AutoTask" name="Auto Task"
		             activiti:expression="${joinService.joinGroup(execution)}"></serviceTask>
		<sequenceFlow id="flow2" sourceRef="ApprovalTask" targetRef="AutoTask"></sequenceFlow>
		<sequenceFlow id="flow3" sourceRef="AutoTask" targetRef="endevent1"></sequenceFlow>
	</process>
</definitions>

 

流程解释：

流程最左边是开始，最右边结束，左二小人图标为用户任务(User Task)需要人参与操作，我们选择有权限的操作的人来源于Spring的bean方法activiti:candidateUsers=”${joinService.findUsers(execution)}”，左三齿轮图标为服务任务(Service Task),是自动执行的任务，自动调用Spring的bean方法。

 项目搭建

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">
	<modelVersion>4.0.0</modelVersion>
	<groupId>com.fengye.example</groupId>
	<artifactId>spring-boot-activiti</artifactId>
	<version>1.0-SNAPSHOT</version>
	<packaging>jar</packaging>
	<name>spring-boot-activiti</name>
	<description>Demo project for Spring Boot</description>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.3.0.RELEASE</version>
	</parent>
	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<java.version>1.8</java.version>
		<activiti.version>5.21.0</activiti.version>
	</properties>
	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-rest</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-jpa</artifactId>
		</dependency>
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
		</dependency>
		<dependency>
			<groupId>org.activiti</groupId>
			<artifactId>activiti-spring-boot-starter-basic</artifactId>
			<version>${activiti.version}</version>
		</dependency>
		<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>
		</plugins>
	</build>
</project>

 

application.properties配置

spring.jpa.hibernate.ddl-auto=update
spring.jpa.database=MYSQL
spring.datasource.url=jdbc:mysql://127.0.0.1:3307/spring-boot-activiti?characterEncoding=UTF-8
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.driver-class-name=com.mysql.jdbc.Driver

 

 核心代码

实体类

Person.java

package com.fengye.example.model;
import javax.persistence.Entity;

import javax.persistence.GeneratedValue;

import javax.persistence.Id;

import javax.persistence.ManyToOne;
/**


Created by jery on 2016/11/23.

*/

@Entity

public class Person {
@Id

@GeneratedValue

private Long personId;
private String personName;
@ManyToOne(targetEntity = Comp.class)

private Comp comp;
public Person() {
}
public Person(String personName) {

this.personName = personName;

}
public Long getPersonId() {

return personId;

}
public void setPersonId(Long personId) {

this.personId = personId;

}
public String getPersonName() {

return personName;

}
public void setPersonName(String personName) {

this.personName = personName;

}
public Comp getComp() {

return comp;

}
public void setComp(Comp comp) {

this.comp = comp;

}

}