本篇内容主要讲解“SpringBoot怎么整合Activiti7”,感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习“SpringBoot怎么整合Activiti7”吧!
1.使用idea创建springboot项目
在工程的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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelversion>4.0.0</modelversion>
<parent>
<groupid>org.springframework.boot</groupid>
<artifactid>spring-boot-starter-parent</artifactid>
<version>2.2.1.release</version>
<relativepath/> <!-- lookup parent from repository -->
</parent>
<groupid>com.example</groupid>
<artifactid>activiti</artifactid>
<version>0.0.1-snapshot</version>
<name>activiti</name>
<description>demo project for spring boot</description>
<properties>
<project.build.sourceencoding>utf-8</project.build.sourceencoding>
<project.reporting.outputencoding>utf-8</project.reporting.outputencoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupid>org.springframework.boot</groupid>
<artifactid>spring-boot-starter-jdbc</artifactid>
</dependency>
<dependency>
<groupid>org.springframework.boot</groupid>
<artifactid>spring-boot-starter-web</artifactid>
</dependency>
<dependency>
<groupid>org.springframework.boot</groupid>
<artifactid>spring-boot-starter-test</artifactid>
<scope>test</scope>
</dependency>
<dependency>
<groupid>org.activiti</groupid>
<artifactid>activiti-spring-boot-starter</artifactid>
<version>7.0.0.beta2</version>
</dependency>
<dependency>
<groupid>org.mybatis</groupid>
<artifactid>mybatis</artifactid>
<version>3.4.5</version>
</dependency>
<dependency>
<groupid>mysql</groupid>
<artifactid>mysql-connector-java</artifactid>
<version>5.1.27</version>
</dependency>
<dependency>
<groupid>org.projectlombok</groupid>
<artifactid>lombok</artifactid>
<optional>true</optional>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupid>org.springframework.boot</groupid>
<artifactid>spring-boot-maven-plugin</artifactid>
</plugin>
</plugins>
</build>
</project>
2.application.yml文件配置
为了能够实现activiti7生成的表放到mysql数据库中,需要在配置文件application.yml中添加相关的配置
server:
port: 8085
spring:
application:
name: spring-activiti
datasource:
url: jdbc:mysql://localhost:3306/activiti?useunicode=true&characterencoding=utf8&servertimezone=gmt&nullcatalogmeanscurrent=true
username: root
password: 123456
driver-class-name: com.mysql.jdbc.driver
activiti:
#1.flase: 默认值。activiti在启动时,会对比数据库表中保存的版本,如果没有表或者版本不匹配,将抛出异常
#2.true: activiti会对数据库中所有表进行更新操作。如果表不存在,则自动创建
#3.create_drop: 在activiti启动时创建表,在关闭时删除表(必须手动关闭引擎,才能删除表)
#4.drop-create: 在activiti启动时删除原来的旧表,然后在创建新表(不需要手动关闭引擎)
database-schema-update: true
#检测历史表是否存在
db-history-used: true
#记录历史等级 可配置的历史级别有none, activity, audit, full
history-level: full
#校验流程文件,默认校验resources下的processes文件夹里的流程文件
check-process-definitions: false
3.添加springsecurity安全框架整合配置
activiti7与springboot整合后,默认情况下,集成了springsecurity安全框架,这样我们就要去准备springsecurity整合进来的相关用户权限配置信息
1)添加securityutil类
为了能够快速实现springsecurity安全框架的配置,所添加的一个组件。
@component
public class securityutil {
private logger logger = loggerfactory.getlogger(securityutil.class);
@autowired
@qualifier("myuserdetailsservice")
private userdetailsservice userdetailsservice;
public void loginas(string username) {
userdetails user = userdetailsservice.loaduserbyusername(username);
if (user == null) {
throw new illegalstateexception("user " + username + " doesn't exist, please provide a valid user");
}
logger.info("> logged in as: " + username);
securitycontextholder.setcontext(new securitycontextimpl(new authentication() {
@override
public collection<? extends grantedauthority> getauthorities() {
return user.getauthorities();
}
@override
public object getcredentials() {
return user.getpassword();
}
@override
public object getdetails() {
return user;
}
@override
public object getprincipal() {
return user;
}
@override
public boolean isauthenticated() {
return true;
}
@override
public void setauthenticated(boolean isauthenticated) throws illegalargumentexception {
}
@override
public string getname() {
return user.getusername();
}
}));
org.activiti.engine.impl.identity.authentication.setauthenticateduserid(username);
}
}
这个类可以从activiti7官方提供的example中找到。
2)添加demoapplicationconfig类
它的作用是为了实现springsecurity框架的用户权限的配置,这样我们就可以在系统中使用用户权限信息
@configuration
public class demoapplicationconfiguration {
private logger logger = loggerfactory.getlogger(demoapplicationconfiguration.class);
@bean
public userdetailsservice myuserdetailsservice() {
inmemoryuserdetailsmanager inmemoryuserdetailsmanager = new inmemoryuserdetailsmanager();
string[][] usersgroupsandroles = {
{"salaboy", "password", "role_activiti_user", "group_activititeam"},
{"ryandawsonuk", "password", "role_activiti_user", "group_activititeam"},
{"erdemedeiros", "password", "role_activiti_user", "group_activititeam"},
{"other", "password", "role_activiti_user", "group_otherteam"},
{"system", "password", "role_activiti_user"},
{"admin", "password", "role_activiti_admin"},
};
for (string[] user : usersgroupsandroles) {
list<string> authoritiesstrings = arrays.aslist(arrays.copyofrange(user, 2, user.length));
logger.info("> registering new user: " + user[0] + " with the following authorities[" + authoritiesstrings + "]");
inmemoryuserdetailsmanager.createuser(new user(user[0], passwordencoder().encode(user[1]),
authoritiesstrings.stream().map(s -> new simplegrantedauthority(s)).collect(collectors.tolist())));
}
return inmemoryuserdetailsmanager;
}
@bean
public passwordencoder passwordencoder() {
return new bcryptpasswordencoder();
}
}
4)创建测试类
@springboottest
@slf4j
class activitiapplicationtests {
@autowired
private processengine processengine;
/**
* 流程定义的部署
*/
@test
public void createdeploy() {
repositoryservice repositoryservice = processengine.getrepositoryservice();
deployment deployment = repositoryservice.createdeployment()
.addclasspathresource("diagram/holiday.bpmn")//添加bpmn资源
.addclasspathresource("diagram/holiday.png")
.name("请假申请单流程")
.deploy();
log.info("流程部署id:" + deployment.getname());
log.info("流程部署名称:" + deployment.getid());
}
}
运行结果:
遇到的问题:
1)历史表默认不会生成,需在application.yml中配置
spring:
activiti:
#检测历史表是否存在
db-history-used: true
#记录历史等级 可配置的历史级别有none, activity, audit, full
history-level: full
到此,相信大家对“SpringBoot怎么整合Activiti7”有了更深的了解,不妨来实际操作一番吧!这里是亿速云网站,更多相关内容可以进入相关频道进行查询,关注我们,继续学习!
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