Springboot 2.0.3.RELEASE 与 activiti 5.22.0 整合

2024-08-29 06:48
文章标签 java springboot spring 整合 release 2.0 activiti 5.22

本文主要是介绍Springboot 2.0.3.RELEASE 与 activiti 5.22.0 整合，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

activiti Spring boot 整合源码

项目采用Springboot 2.0.3.RELEASE版本以及activiti 5.22.0版本

在acitiviti官网下载完整包https://github.com/Activiti/Activiti/releases/tag/activiti-5.22.0

下载完成后

1、将Activiti-activiti-5.22.0\modules\activiti-webapp-explorer2\src\main\webapp下的diagram-viewer、editor-app以及modeler.html文件放置在项目resources\static文件夹下。

2、将Activiti-activiti-5.22.0\modules\activiti-webapp-explorer2\src\resources下的stencilset.json放置在项目resources\static文件夹下。

3、将Activiti-activiti-5.22.0\modules\activiti-modeler\src\main\java\org\activiti\rest\editor下的main以及model中的java文件放置到项目mian\java目录下

复制完成后，首先将ModelEditoeJsonRestResource.java、ModelSaveRestResource.java、StencilsetRestResource.java上添加 @RequestMapping(value = “/service”)

然后修改resources\static\editor-app\app-cfg.js，如下图
在这里插入图片描述

修改ModelSaveRestResource.java，如下（参考https://blog.csdn.net/qq_21770005/article/details/78713912）

@RestController
@RequestMapping(value = "/service")
public class ModelSaveRestResource implements ModelDataJsonConstants {private static final Logger LOGGER = LogManager.getLogger(ModelSaveRestResource.class);@Autowiredprivate RepositoryService repositoryService;@Autowiredprivate ObjectMapper objectMapper;@RequestMapping(value="/model/{modelId}/save", method = RequestMethod.PUT)@ResponseStatus(value = HttpStatus.OK)public void saveModel(@PathVariable String modelId, @RequestParam("name") String name,@RequestParam("json_xml") String json_xml, @RequestParam("svg_xml") String svg_xml,@RequestParam("description") String description) {try {Model model = repositoryService.getModel(modelId);ObjectNode modelJson = (ObjectNode) objectMapper.readTree(model.getMetaInfo());modelJson.put(MODEL_NAME, name);modelJson.put(MODEL_DESCRIPTION, description);model.setMetaInfo(modelJson.toString());model.setName(name);repositoryService.saveModel(model);repositoryService.addModelEditorSource(model.getId(), json_xml.getBytes("utf-8"));InputStream svgStream = new ByteArrayInputStream(svg_xml.getBytes("utf-8"));TranscoderInput input = new TranscoderInput(svgStream);PNGTranscoder transcoder = new PNGTranscoder();// Setup outputByteArrayOutputStream outStream = new ByteArrayOutputStream();TranscoderOutput output = new TranscoderOutput(outStream);// Do the transformationtranscoder.transcode(input, output);final byte[] result = outStream.toByteArray();repositoryService.addModelEditorSourceExtra(model.getId(), result);outStream.close();} catch (Exception e) {LOGGER.error("Error saving model", e);throw new ActivitiException("Error saving model", e);}}
}

在pom.xml添加activiti依赖

        <!--activiti--><dependency><groupId>org.activiti</groupId><artifactId>activiti-spring-boot-starter-basic</artifactId><version>${activiti.version}</version></dependency><dependency><groupId>org.activiti</groupId><artifactId>activiti-spring-boot-starter-actuator</artifactId><version>${activiti.version}</version></dependency><dependency><groupId>org.activiti</groupId><artifactId>activiti-rest</artifactId><version>${activiti.version}</version></dependency><dependency><groupId>org.apache.xmlgraphics</groupId><artifactId>batik-codec</artifactId><version>1.7</version></dependency><dependency><groupId>org.apache.xmlgraphics</groupId><artifactId>batik-css</artifactId><version>1.7</version></dependency><dependency><groupId>org.apache.xmlgraphics</groupId><artifactId>batik-svg-dom</artifactId><version>1.7</version></dependency><dependency><groupId>org.apache.xmlgraphics</groupId><artifactId>batik-svggen</artifactId><version>1.7</version></dependency><dependency><groupId>org.activiti</groupId><artifactId>activiti-explorer</artifactId><version>${activiti.version}</version></dependency><dependency><groupId>org.activiti</groupId><artifactId>activiti-diagram-rest</artifactId><version>${activiti.version}</version></dependency><dependency><groupId>org.activiti</groupId><artifactId>activiti-simple-workflow</artifactId><version>${activiti.version}</version></dependency><dependency><groupId>org.activiti</groupId><artifactId>activiti-spring</artifactId><version>${activiti.version}</version></dependency><!-- END activiti -->

在application.yml中添加activiti的数据源，如下

spring:datasource:activiti:url:jdbc:mysql://127.0.0.1:3306/clouddo?nullCatalogMeansCurrent=true&useUnicode=true&characterEncoding=utf8&serverTimezone=GMT%2B8&useSSL=falseusername: rootpassword: 123asddriverClassName: com.mysql.jdbc.Drivertype: com.alibaba.druid.pool.DruidDataSource

添加activiti数据源配置类

@Configuration
public class ActitytiDataSourceConfig extends AbstractProcessEngineAutoConfiguration {private static final Logger log = LogManager.getLogger(ActitytiDataSourceConfig.class);@Bean(name = "activitiDataSource")@ConfigurationProperties(prefix = "spring.datasource.activiti")public DataSource activitiDataSource(){log.info("activitiDataSource 初始化...");return new DruidDataSource();}@Beanpublic PlatformTransactionManager transactionManager() {return new DataSourceTransactionManager(activitiDataSource());}@Beanpublic SpringProcessEngineConfiguration springProcessEngineConfiguration() {SpringProcessEngineConfiguration configuration = new SpringProcessEngineConfiguration();configuration.setDataSource(activitiDataSource());configuration.setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_TRUE);configuration.setJobExecutorActivate(true);configuration.setTransactionManager(transactionManager());return configuration;}}

以上，基本配置已完成。在启动项目后，将自动创建activiti所需要的25张表。

如报错无法启动，在application.yml中添加

spring: activiti:check-process-definitions: false

成功启动项目后，发现访问项目任何路径都需要输入用户名和密码。这是因为acitivi-rest中集成了spring-security，需要在启动类上添加

@EnableAutoConfiguration(exclude={org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration.class, org.activiti.spring.boot.SecurityAutoConfiguration.class})

访问http://localhost:8080/modeler.html，发现页面未显示内容，这是因为目前还未创建任何model

此时创建ActivitiModelController.java，如下

@Controller
public class ActivitiModelController {private static final Logger log = LogManager.getLogger(ActivitiModelController.class);@AutowiredProcessEngine processEngine;@AutowiredObjectMapper objectMapper;/*** 新建一个空模型*/@RequestMapping("/create")public void newModel(HttpServletResponse response) throws IOException {RepositoryService repositoryService = processEngine.getRepositoryService();//初始化一个空模型Model model = repositoryService.newModel();//设置一些默认信息String name = "new-process";String description = "";int revision = 1;String key = "process";ObjectNode modelNode = objectMapper.createObjectNode();modelNode.put(ModelDataJsonConstants.MODEL_NAME, name);modelNode.put(ModelDataJsonConstants.MODEL_DESCRIPTION, description);modelNode.put(ModelDataJsonConstants.MODEL_REVISION, revision);model.setName(name);model.setKey(key);model.setMetaInfo(modelNode.toString());repositoryService.saveModel(model);String id = model.getId();//完善ModelEditorSourceObjectNode editorNode = objectMapper.createObjectNode();editorNode.put("id", "canvas");editorNode.put("resourceId", "canvas");ObjectNode stencilSetNode = objectMapper.createObjectNode();stencilSetNode.put("namespace","http://b3mn.org/stencilset/bpmn2.0#");editorNode.put("stencilset", stencilSetNode);repositoryService.addModelEditorSource(id,editorNode.toString().getBytes("utf-8"));response.sendRedirect("/modeler.html?modelId="+id);}/*** 获取所有模型*/@RequestMapping("/modelList")@ResponseBodypublic Object modelList(){RepositoryService repositoryService = processEngine.getRepositoryService();return repositoryService.createModelQuery().list();}/*** 发布模型为流程定义*/@RequestMapping("/deploy")@ResponseBodypublic Object deploy(String modelId) throws Exception {//获取模型RepositoryService repositoryService = processEngine.getRepositoryService();Model modelData = repositoryService.getModel(modelId);byte[] bytes = repositoryService.getModelEditorSource(modelData.getId());if (bytes == null) {return "模型数据为空，请先设计流程并成功保存，再进行发布。";}JsonNode modelNode = new ObjectMapper().readTree(bytes);BpmnModel model = new BpmnJsonConverter().convertToBpmnModel(modelNode);if(model.getProcesses().size()==0){return "数据模型不符要求，请至少设计一条主线流程。";}byte[] bpmnBytes = new BpmnXMLConverter().convertToXML(model);//发布流程String processName = modelData.getName() + ".bpmn20.xml";Deployment deployment = repositoryService.createDeployment().name(modelData.getName()).addString(processName, new String(bpmnBytes, "UTF-8")).deploy();modelData.setDeploymentId(deployment.getId());repositoryService.saveModel(modelData);return "SUCCESS";}/***  启动流程*/@RequestMapping("/start")@ResponseBodypublic Object startProcess(String keyName) {ProcessInstance process = processEngine.getRuntimeService().startProcessInstanceByKey(keyName);return process.getId() + " : " + process.getProcessDefinitionId();}/***  提交任务*/@RequestMapping("/run")@ResponseBodypublic Object run(String processInstanceId) {Task task = processEngine.getTaskService().createTaskQuery().processInstanceId(processInstanceId).singleResult();log.info("task {} find ", task.getId());processEngine.getTaskService().complete(task.getId());return "SUCCESS";}}

通过访问http://localhost:8080/create创建一个空白的model并跳转到编辑页面

在绘制流程完成后，访问http://localhost:8080/deploy?modelId=1 对该流程进行部署

http://localhost:8080/start?keyName=hello 启动流程

http://localhost:8080/run?processInstanceId=1 提交

至此，springboot集成activiti modeler完成

需要源码，请及时联系我。
https://download.csdn.net/download/u013116345/10774314

这篇关于Springboot 2.0.3.RELEASE 与 activiti 5.22.0 整合的文章就介绍到这儿，希望我们推荐的文章对编程师们有所帮助！


http://www.chinasem.cn/article/1117146。

相关文章

Spring Cloud Hystrix原理与注意事项小结

Spring Cloud Hystrix原理与注意事项小结

《SpringCloudHystrix原理与注意事项小结》本文介绍了Hystrix的基本概念、工作原理以及其在实际开发中的应用方式,通过对Hystrix的深入学习,开发者可以在分布式系统中实现精细... 目录一、Spring Cloud Hystrix概述和设计目标（一）Spring Cloud Hystr
阅读更多...
Spring Boot整合消息队列RabbitMQ的实现示例

Spring Boot整合消息队列RabbitMQ的实现示例

《SpringBoot整合消息队列RabbitMQ的实现示例》本文主要介绍了SpringBoot整合消息队列RabbitMQ的实现示例,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的... 目录RabbitMQ 简介与安装1. RabbitMQ 简介2. RabbitMQ 安装Spring
阅读更多...
springMVC返回Http响应的实现

springMVC返回Http响应的实现

《springMVC返回Http响应的实现》本文主要介绍了在SpringBoot中使用@Controller、@ResponseBody和@RestController注解进行HTTP响应返回的方法,... 目录一、返回页面二、@Controller和@ResponseBody与RestController
阅读更多...
JAVA集成本地部署的DeepSeek的图文教程

JAVA集成本地部署的DeepSeek的图文教程

《JAVA集成本地部署的DeepSeek的图文教程》本文主要介绍了JAVA集成本地部署的DeepSeek的图文教程,包含配置环境变量及下载DeepSeek-R1模型并启动,具有一定的参考价值,感兴趣的... 目录一、下载部署DeepSeek1.下载ollama2.下载DeepSeek-R1模型并启动 二、J
阅读更多...
springboot rocketmq配置生产者和消息者的步骤

springboot rocketmq配置生产者和消息者的步骤

《springbootrocketmq配置生产者和消息者的步骤》本文介绍了如何在SpringBoot中集成RocketMQ,包括添加依赖、配置application.yml、创建生产者和消费者,并展... 目录1. 添加依赖2. 配置application.yml3. 创建生产者4. 创建消费者5. 使用在
阅读更多...
Spring Retry 实现乐观锁重试实践记录

Spring Retry 实现乐观锁重试实践记录

《SpringRetry实现乐观锁重试实践记录》本文介绍了在秒杀商品SKU表中使用乐观锁和MybatisPlus配置乐观锁的方法,并分析了测试环境和生产环境的隔离级别对乐观锁的影响,通过简单验证,... 目录一、场景分析 二、简单验证 2.1、可重复读 2.2、读已提交 三、最佳实践 3.1、配置重试模板
阅读更多...
Spring中@Lazy注解的使用技巧与实例解析

Spring中@Lazy注解的使用技巧与实例解析

《Spring中@Lazy注解的使用技巧与实例解析》@Lazy注解在Spring框架中用于延迟Bean的初始化,优化应用启动性能,它不仅适用于@Bean和@Component,还可以用于注入点,通过将... 目录一、@Lazy注解的作用（一）延迟Bean的初始化（二）与@Autowired结合使用二、实例解
阅读更多...
SpringBoot使用Jasypt对YML文件配置内容加密的方法(数据库密码加密)

SpringBoot使用Jasypt对YML文件配置内容加密的方法(数据库密码加密)

《SpringBoot使用Jasypt对YML文件配置内容加密的方法(数据库密码加密)》本文介绍了如何在SpringBoot项目中使用Jasypt对application.yml文件中的敏感信息（如数... 目录SpringBoot使用Jasypt对YML文件配置内容进行加密（例：数据库密码加密）前言一、J
阅读更多...
Java中有什么工具可以进行代码反编译详解

Java中有什么工具可以进行代码反编译详解

《Java中有什么工具可以进行代码反编译详解》：本文主要介绍Java中有什么工具可以进行代码反编译的相关资,料,包括JD-GUI、CFR、Procyon、Fernflower、Javap、Byte... 目录1.JD-GUI2.CFR3.Procyon Decompiler4.Fernflower5.Jav
阅读更多...
Spring Boot 中正确地在异步线程中使用 HttpServletRequest的方法

Spring Boot 中正确地在异步线程中使用 HttpServletRequest的方法

《SpringBoot中正确地在异步线程中使用HttpServletRequest的方法》文章讨论了在SpringBoot中如何在异步线程中正确使用HttpServletRequest的问题,... 目录前言一、问题的来源：为什么异步线程中无法访问 HttpServletRequest？1. 请求上下文与线
阅读更多...

Copyright China编程 23002807@qq.com

沪ICP备2023033072号-2