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
4.0.0 org.springframework.boot spring-boot-starter-parent 2.2.1.release com.example activiti 0.0.1-snapshot activiti demo project for spring boot utf-8 utf-8 1.8 org.springframework.boot spring-boot-starter-jdbc org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-test test org.activiti activiti-spring-boot-starter 7.0.0.beta2 org.mybatis mybatis 3.4.5 mysql mysql-connector-java 5.1.27 org.projectlombok lombok true org.springframework.boot spring-boot-maven-plugin
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 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 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
