Activiti介紹(一):Maven部署

1、Activiti說明

因工做須要,正好有機會學習工做流,目前擬採用的工做流引擎爲Activiti。關於Activiti工做流的做用,不做詳細的解釋,能夠想象爲OA系統的任務流動,例如在項目審批任務,任務在各個不一樣的角色之間的流動就是工做流的一種表現形式。使用Activiti能夠很方便的繪製用戶流程圖並生成相應的流程圖png圖片與bpmn說明文件。經過解析配置文件生成工做引擎,而後操做工做引擎完成各項具體的任務。下圖就是由activiti生成的工做流圖片例子。java

2、Activiti在eclipse下的安裝

在eclipse下安裝activiti比較簡單,通常來講有兩種方法,和其餘插件同樣,第一種方式是在鏈接外網的狀況下,使用eclipse下自帶的擴展工具進行下載,將插件自動集成到eclipse之中,重啓後生效;另一種就麻煩一點,若是沒有連外網,只能下載擴展文件,將文件放置於eclipse軟件目錄下,也能夠有一樣的效果。如下是安裝的截圖。mysql

一、help ==》Install New SoftWareweb

二、按照如下步驟填寫插件Url地址:http://activiti.org/designer/update/spring

三、出現插件信息後勾選全部,點擊Next,一路安裝。完畢後eclipse會提醒重啓軟件,重啓便可。sql

四、重啓後就能夠新建Activiti項目了apache

3、新建Activiti項目並集成Maven

一、新建一個activiti program,直接選擇簡單項目便可。api

二、新建完成後,就會提示是否在activiti視圖中打開項目,能夠選擇是。這時你會發現該項目目錄下除了src和target目錄外,有一個pom.xml。這個就是爲了和Maven集成用的配置文件。可是此時是不能進行maven install的,必須將項目修改成maven項目方可。右鍵項目,使用configure-->Convert To maven project便可。mybatis

三、配置pom.xmlmvc

<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/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>org.activiti.examples</groupId>
	<artifactId>activiti-examples</artifactId>
	<version>1.0-SNAPSHOT</version>
	<packaging>jar</packaging>
	<name>BPMN 2.0 with Activiti - Examples</name>
	<properties>
		<activiti-version>5.18.0</activiti-version>
		<spring.version>4.1.6.RELEASE</spring.version>
		<!-- mybatis版本號 -->
		<mybatis.version>3.2.6</mybatis.version>
		<!-- log4j日誌文件管理包版本 -->
		<slf4j.version>1.7.7</slf4j.version>
		<log4j.version>1.2.17</log4j.version>
	</properties>
	<dependencies>
		<dependency>
			<groupId>org.activiti</groupId>
			<artifactId>activiti-engine</artifactId>
			<version>${activiti-version}</version>
		</dependency>
		<dependency>
			<groupId>org.apache.commons</groupId>
			<artifactId>commons-io</artifactId>
			<version>1.3.2</version>
		</dependency>
		<dependency>
			<groupId>org.activiti</groupId>
			<artifactId>activiti-spring</artifactId>
			<version>${activiti-version}</version>
		</dependency>
		<dependency>
			<groupId>org.codehaus.groovy</groupId>
			<artifactId>groovy-all</artifactId>
			<version>2.4.3</version>
		</dependency>
		<dependency>
			<groupId>com.h2database</groupId>
			<artifactId>h2</artifactId>
			<version>1.3.168</version>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-api</artifactId>
			<version>1.7.6</version>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-jdk14</artifactId>
			<version>1.7.6</version>
		</dependency>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>4.11</version>
		</dependency>
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.18</version>
		</dependency>
		<!-- spring 核心包 -->
		<!-- springframe start -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</artifactId>
			<version>${spring.version}</version>
		</dependency>

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

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

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-tx</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-webmvc</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-test</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<!-- springframe end -->

	</dependencies>
	<build>
		<plugins>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<configuration>
					<source>1.7</source>
					<target>1.7</target>
					<encoding>UTF-8</encoding>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-eclipse-plugin</artifactId>
				<inherited>true</inherited>
				<configuration>
					<classpathContainers>
						<classpathContainer>org.eclipse.jdt.USER_LIBRARY/Activiti Designer
							Extensions</classpathContainer>
					</classpathContainers>
				</configuration>
			</plugin>
		</plugins>
	</build>
</project>

固然這個pom.xml包含的不單單是activiti包,還有後面要用到的Spring包等;若是隻是完成簡單的activiti實例,只須要一個包便可。eclipse

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

至此,就利用Maven部署好了Activiti。

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