Activiti环境配置
1.下载activiti
Activiti下载地址:/download.html ,或者使用Maven的依赖如下:
<dependencyManagement><dependencies><dependency><groupId>org.activiti</groupId><artifactId>activiti-dependencies</artifactId><version>7.0.0.Beta1</version><scope>import</scope><type>pom</type></dependency></dependencies></dependencyManagement>
2.流程设计器
根据idea版本自行百度activiti bpmn visualizer
,或者Camunda Modeler
,这里提供一个:/p/5942c4ee513c
3.数据库支持
activiti运行需要有数据库的支持,支持的数据库有:h2, mysql, oracle, postgres, mssql, db2。
Activiti 在运行时需要数据库的支持,使用25张表,把流程定义节点内容读取到数据库表中,以供后续使用。
3.1创建数据库
创建mysql数据库activiti,名字随意:
CREATE DATABASE activiti DEFAULT CHARACTER SET utf8;
4.生成数据表
4.1创建工程
创建一个maven工程,名字随意,maven依赖:
<properties><slf4j.version>1.6.6</slf4j.version><log4j.version>1.2.12</log4j.version><activiti.version>7.0.0.Beta1</activiti.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><!-- bpmn 模型处理 --><dependency><groupId>org.activiti</groupId><artifactId>activiti-bpmn-model</artifactId><version>${activiti.version}</version></dependency><!-- bpmn 转换 --><dependency><groupId>org.activiti</groupId><artifactId>activiti-bpmn-converter</artifactId><version>${activiti.version}</version></dependency><!-- bpmn json数据转换 --><dependency><groupId>org.activiti</groupId><artifactId>activiti-json-converter</artifactId><version>${activiti.version}</version></dependency><!-- bpmn 布局 --><dependency><groupId>org.activiti</groupId><artifactId>activiti-bpmn-layout</artifactId><version>${activiti.version}</version></dependency><!-- activiti 云支持 --><dependency><groupId>org.activiti.cloud</groupId><artifactId>activiti-cloud-services-api</artifactId><version>${activiti.version}</version></dependency><!-- mysql驱动 --><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.40</version></dependency><!-- mybatis --><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId><version>3.4.5</version></dependency><!-- 链接池 --><dependency><groupId>commons-dbcp</groupId><artifactId>commons-dbcp</artifactId><version>1.4</version></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.12</version></dependency><!-- log start --><dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>${log4j.version}</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-api</artifactId><version>${slf4j.version}</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-log4j12</artifactId><version>${slf4j.version}</version></dependency></dependencies>
4.2添加log4j日志配置
# Set root category priority to INFO and its only appender to CONSOLE.#log4j.rootCategory=INFO, CONSOLE debug info warn error fatallog4j.rootCategory=debug, CONSOLE, LOGFILE# Set the enterprise logger category to FATAL and its only appender to CONSOLE..apache.axis.enterprise=FATAL, CONSOLE# CONSOLE is set to be a ConsoleAppender using a PatternLayout.log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppenderlog4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayoutlog4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} %-6r[%15.15t] %-5p %30.30c %x - %m\n# LOGFILE is set to be a File appender using a PatternLayout.log4j.appender.LOGFILE=org.apache.log4j.FileAppenderlog4j.appender.LOGFILE.File=D:\logs\act\activiti.loglog4j.appender.LOGFILE.Append=truelog4j.appender.LOGFILE.layout=org.apache.log4j.PatternLayoutlog4j.appender.LOGFILE.layout.ConversionPattern=%d{ISO8601} %-6r[%15.15t] %-5p %30.30c %x - %m\n
4.3activiti配置文件
这里先用activiti提供的默认方式来创建数据库表
默认方式的要求是在 resources 下创建 activiti.cfg.xml 文件,路径及文件名不能修改,不然activiti读取不到
activiti.cfg.xml
配置processEngineConfiguration和数据库连接,配置方式有两种:
方式一:直接配置processEngineConfiguration
<?xml version="1.0" encoding="UTF-8"?><beans xmlns="/schema/beans"xmlns:xsi="/2001/XMLSchema-instance"xmlns:context="/schema/context"xmlns:tx="/schema/tx"xsi:schemaLocation="/schema/beans/schema/beans/spring-beans.xsd/schema/contex/schema/context/spring-context.xsd/schema/tx/schema/tx/spring-tx.xsd"><!-- 默认id对应的值 为processEngineConfiguration --><!-- processEngine Activiti的流程引擎 --><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"/><property name="jdbcUsername" value="root"/><property name="jdbcPassword" value="root"/><!-- activiti数据库表处理策略 --><property name="databaseSchemaUpdate" value="true"/></bean></beans>
方式二:单独配置数据源,然后在processEngineConfiguration 引用
<?xml version="1.0" encoding="UTF-8"?><beans xmlns="/schema/beans"xmlns:xsi="/2001/XMLSchema-instance"xmlns:context="/schema/context"xmlns:tx="/schema/tx"xsi:schemaLocation="/schema/beans/schema/beans/spring-beans.xsd/schema/contex/schema/context/spring-context.xsd/schema/tx/schema/tx/spring-tx.xsd"><!-- 这里可以使用 链接池 dbcp--><bean id="dataSource" class="mons.dbcp.BasicDataSource"><property name="driverClassName" value="com.mysql.jdbc.Driver" /><property name="url" value="jdbc:mysql://localhost:3306/activiti" /><property name="username" value="root" /><property name="password" value="root" /><property name="maxActive" value="3" /><property name="maxIdle" value="1" /></bean><bean id="processEngineConfiguration"class="org.activiti.engine.impl.cfg.StandaloneProcessEngineConfiguration"><!-- 引用数据源 上面已经设置好了--><property name="dataSource" ref="dataSource" /><!-- activiti数据库表处理策略 --><property name="databaseSchemaUpdate" value="true"/></bean></beans>
5.编写程序生成表
创建一个测试类,调用activiti的工具类,生成acitivti需要的数据库表。
直接使用activiti提供的工具类ProcessEngines,会默认读取classpath下的activiti.cfg.xml文件,读取其中的数据库配置,创建 ProcessEngine,在创建ProcessEngine 时会自动创建表。
代码如下:
@Testpublic void testCreateTable() {//使用classpath下的activiti.cfg.xml中的配置创建processEngine//默认方式,会自动去找resource下的activiti.cfg.xml文件ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();System.out.println(processEngine);}
说明:
运行上面的代码后就可创建activiti服务表。查看idea控制台,会看到创建表结构语句,以及初始化表数据语句。
完成后,会创建25张数据表