devbox
盐析白兔
这个屌丝很懒，什么也没留下！
关注作者
热门标签
热门文章
当前位置:   article > 正文

SpringBoot 集成 Flowable + Flowable Modeler 流程配置可视化（图解）_flowable-spring-boot-starter

作者：盐析白兔 | 2024-06-06 13:35:10

赞

踩

flowable-spring-boot-starter

文章目录

最终效果展示

SpringBoot 集成 Flowable Modeler 实现流程操作可视化工程

工程搭建步骤

下载 Flowable 源码

这里选择的版本为 6.4.1，这个版本使用比较多，没有什么问题，但是千万不要选择 6.4.2 版本，这个版本有发版问题。

下载地址：https://github.com/flowable/flowable-engine/releases/tag/flowable-6.4.1/

这里也附上中文版用户手册学习地址：Flowable BPMN 用户手册

Flowable 引擎基础配置

由于是 spring-boot 集成，因此直接选择 flowable-spring-boot-starter，里面提供了齐全的 REST API

新建springboot项目：

在这里插入图片描述

添加依赖

spring-boot 集成了 flowable包包，提供了 flowable-spring-boot-starter，里面提供了齐全的 REST API，所以我们直接选择

<!-- Flowable spring-boot 版套餐 -->
<dependency>
    <groupId>org.flowable</groupId>
    <artifactId>flowable-spring-boot-starter</artifactId>
    <version>6.4.1</version>
</dependency>

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6

添加yml配置：

# flowable 配置
flowable:
  # 关闭异步，不关闭历史数据的插入就是异步的，会在同一个事物里面，无法回滚
  # 开发可开启会提高些效率，上线需要关闭
  async-executor-activate: false

  • 1
  • 2
  • 3
  • 4
  • 5

注意：Flowable 使用 SLF4J 作为内部日志框架。所以我们使用 log4j 作为 SLF4J 的实现

添加log4j 依赖

<!-- Flowable 内部日志采用 SLF4J -->
<dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-api</artifactId>
    <version>1.7.21</version>
</dependency>
<dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-log4j12</artifactId>
    <version>1.7.21</version>
</dependency>

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11

resource 目录下新建文件 log4j.properties

log4j.rootLogger=DEBUG, CA
log4j.appender.CA=org.apache.log4j.ConsoleAppender
log4j.appender.CA.layout=org.apache.log4j.PatternLayout
log4j.appender.CA.layout.ConversionPattern= %d{hh:mm:ss,SSS} [%t] %-5p %c %x - %m%n

  • 1
  • 2
  • 3
  • 4

新建flowable的配置文件 flowable.cfg.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans   http://www.springframework.org/schema/beans/spring-beans.xsd">

    <bean id="processEngineConfiguration" class="org.flowable.engine.impl.cfg.StandaloneProcessEngineConfiguration">
        <property name="jdbcUrl" value="jdbc:mysql://127.0.0.1:3306/flowable"/>
        <property name="jdbcDriver" value="com.mysql.jdbc.Driver"/>
        <property name="jdbcUsername" value="root"/>
        <property name="jdbcPassword" value="root"/>
        <property name="databaseSchemaUpdate" value="true"/>
    </bean>
</beans>

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13

添加加载配置文件的依赖：

<!-- 配置文件处理器 -->
<dependency>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-configuration-processor</artifactId>
 </dependency>

  • 1
  • 2
  • 3
  • 4
  • 5

编写流程引擎配置文件，初始化流程引擎
在这里插入图片描述

代码如下：

package com.flowable.modeler.config;

import org.flowable.engine.ProcessEngine;
import org.flowable.engine.ProcessEngineConfiguration;
import org.flowable.engine.impl.cfg.StandaloneInMemProcessEngineConfiguration;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;

import java.util.logging.Logger;

@Configuration
public class ProcessEngineConfig {
    private Logger logger = (Logger) LoggerFactory.getLogger(ProcessEngineConfig.class);

    @Value("${spring.datasource.url}")
    private String url;

    @Value("${spring.datasource.driver-class-name}")
    private String driverClassName;

    @Value("${spring.datasource.username}")
    private String username;

    @Value("${spring.datasource.password}")
    private String password;

    /**
     * 初始化引擎流程
     * @return
     */
    public ProcessEngine initProcessEngine() {
        logger.info("=============================ProcessEngineBegin=============================");

        // 流程引擎配置
        ProcessEngineConfiguration cfg = null;

        try {
            cfg = new StandaloneInMemProcessEngineConfiguration()
                    .setJdbcUrl(url)
                    .setJdbcUsername(username)
                    .setJdbcPassword(password)
                    .setJdbcDriver(driverClassName)
                    // 初始化基础表，不需要的可以改为 DB_SCHEMA_UPDATE_FALSE
                    .setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_TRUE)
                    // 默认邮箱配置
                    // 发邮件的主机地址，先用 QQ 邮箱
                    .setMailServerHost("smtp.qq.com")
                    // POP3/SMTP服务的授权码
                    .setMailServerPassword("xxxxxxx")
                    // 默认发件人
                    .setMailServerDefaultFrom("1795018360@qq.com")
                    // 设置发件人用户名
                    .setMailServerUsername("管理员")
                    // 解决流程图乱码
                    .setActivityFontName("宋体")
                    .setLabelFontName("宋体")
                    .setAnnotationFontName("宋体");
            ;

        } catch (Exception e) {
            e.printStackTrace();
        }

        // 初始化流程引擎对象
        ProcessEngine processEngine =cfg.buildProcessEngine();
        logger.info("=============================ProcessEngineEnd=============================");
        return processEngine;
    }
}


  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71

PS：这里不用再单独对流程引擎中的 8 个核心服务做初始化，因为我们使用 flowable-spring-boot-starter 依赖，会自动帮忙注册好，不需要自己再注册，直接使用即可

集成 Modeler 前端

打开下载的flowable源码文件夹 flowable-ui-modeler
在这里插入图片描述

路径：flowable-engine-flowable-6.4.1\modules\flowable-ui-modeler

  • flowable-ui-modeler-app：主要为前端界面，文件在 resource/static 下
  • flowable-ui-modeler-conf：主要为一些配置文件 Configuration
  • flowable-ui-modeler-logic：主要为一些业务逻辑还有 SQL
  • flowable-ui-modeler-rest：主要为 rest 接口

添加依赖：

<!-- flowable 集成依赖 rest，logic，conf -->
<dependency>
    <groupId>org.flowable</groupId>
    <artifactId>flowable-ui-modeler-rest</artifactId>
    <version>6.4.1</version>
</dependency>
<dependency>
    <groupId>org.flowable</groupId>
    <artifactId>flowable-ui-modeler-logic</artifactId>
    <version>6.4.1</version>
</dependency>
<dependency>
    <groupId>org.flowable</groupId>
    <artifactId>flowable-ui-modeler-conf</artifactId>
    <version>6.4.1</version>
</dependency>


  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17

在项目中的 resource 文件夹下新建一个 static 文件夹

SpringBoot 能自动读取 static 目录下的静态文件，因此文件夹名称不可随意更改

复制 flowable-ui-modeler-app 包中 resources\static 下所有前端代码文件，复制到我们自己的项目static 文件夹下
在这里插入图片描述

自定义配置类

然后我们想要把他连接到Flowable包的代码逻辑和存储数据库就要编写与应用我们的项目自己配置类
其中主要改用Flowable包下的几个配置类
在这里插入图片描述

ApplicationConfiguration.java

路径：flowable-engine-flowable-6.4.1\modules\flowable-ui-modeler\flowable-ui-modeler-conf\src\main\java\org\flowable\ui\modeler\conf
原因：这个文件是启动中必要的配置文件，需要做修改，详细的可以看下 app 中启动类，文件路径随意

代码如下：

与源码中的区别是注释了一些IDM相关的配置

/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.flowable.modeler.config.flowable;

import org.flowable.ui.common.service.idm.RemoteIdmService;
import org.flowable.ui.modeler.properties.FlowableModelerAppProperties;
import org.flowable.ui.modeler.servlet.ApiDispatcherServletConfiguration;
import org.springframework.boot.autoconfigure.webservices.WebServicesProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.FilterType;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.servlet.DispatcherServlet;


@Configuration
@EnableConfigurationProperties(FlowableModelerAppProperties.class)
@ComponentScan(basePackages = {
//        "org.flowable.ui.modeler.conf",
        "org.flowable.ui.modeler.repository",
        "org.flowable.ui.modeler.service",
//        "org.flowable.ui.modeler.security", //授权方面的都不需要
//        "org.flowable.ui.common.conf", // flowable 开发环境内置的数据库连接
//        "org.flowable.ui.common.filter", // IDM 方面的过滤器
        "org.flowable.ui.common.service",
        "org.flowable.ui.common.repository",
        //
//        "org.flowable.ui.common.security",//授权方面的都不需要
        "org.flowable.ui.common.tenant" },excludeFilters = {
        // 移除 RemoteIdmService
        @ComponentScan.Filter(type = FilterType.ASSIGNABLE_TYPE, value = RemoteIdmService.class),
}
)
public class ApplicationConfiguration {

    @Bean
    public ServletRegistrationBean modelerApiServlet(ApplicationContext applicationContext) {
        AnnotationConfigWebApplicationContext dispatcherServletConfiguration = new AnnotationConfigWebApplicationContext();
        dispatcherServletConfiguration.setParent(applicationContext);
        dispatcherServletConfiguration.register(ApiDispatcherServletConfiguration.class);
        DispatcherServlet servlet = new DispatcherServlet(dispatcherServletConfiguration);
        ServletRegistrationBean registrationBean = new ServletRegistrationBean(servlet, "/api/*");
        registrationBean.setName("Flowable Modeler App API Servlet");
        registrationBean.setLoadOnStartup(1);
        registrationBean.setAsyncSupported(true);
        return registrationBean;
    }
}


  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63

AppDispatcherServletConfiguration.java

路径：flowable-engine-flowable-6.4.1\modules\flowable-ui-modeler\flowable-ui-modeler-conf\src\main\java\org\flowable\ui\modeler\servlet

原因：这个文件是启动中必要的配置文件，需要做修改，详细的可以看下 app 中启动类，文件路径随意，这里面有请求处理逻辑，我们需要重新设置一下用户认证（IDM）的部分
在这里插入图片描述

代码如下：

/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.flowable.modeler.config.flowable;

import org.flowable.ui.modeler.rest.app.EditorGroupsResource;
import org.flowable.ui.modeler.rest.app.EditorUsersResource;
import org.flowable.ui.modeler.rest.app.StencilSetResource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.web.servlet.WebMvcRegistrations;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.FilterType;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
import org.springframework.web.servlet.i18n.SessionLocaleResolver;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;

@Configuration
@ComponentScan(value = { "org.flowable.ui.modeler.rest.app",
        // 不加载 rest，因为 getAccount 接口需要我们自己实现
//        "org.flowable.ui.common.rest"
    },excludeFilters = {
        // 移除 EditorUsersResource 与 EditorGroupsResource，因为不使用 IDM 部分
        @ComponentScan.Filter(type = FilterType.ASSIGNABLE_TYPE, value = EditorUsersResource.class),
        @ComponentScan.Filter(type = FilterType.ASSIGNABLE_TYPE, value = EditorGroupsResource.class),
        // 配置文件用自己的
        @ComponentScan.Filter(type = FilterType.ASSIGNABLE_TYPE, value = StencilSetResource.class),
    }
)
@EnableAsync
public class AppDispatcherServletConfiguration implements WebMvcRegistrations {

    private static final Logger LOGGER = LoggerFactory.getLogger(AppDispatcherServletConfiguration.class);

    @Bean
    public SessionLocaleResolver localeResolver() {
        return new SessionLocaleResolver();
    }

    @Bean
    public LocaleChangeInterceptor localeChangeInterceptor() {
        LOGGER.debug("Configuring localeChangeInterceptor");
        LocaleChangeInterceptor localeChangeInterceptor = new LocaleChangeInterceptor();
        localeChangeInterceptor.setParamName("language");
        return localeChangeInterceptor;
    }

    @Override
    public RequestMappingHandlerMapping getRequestMappingHandlerMapping() {
        LOGGER.debug("Creating requestMappingHandlerMapping");
        RequestMappingHandlerMapping requestMappingHandlerMapping = new RequestMappingHandlerMapping();
        requestMappingHandlerMapping.setUseSuffixPatternMatch(false);
        requestMappingHandlerMapping.setRemoveSemicolonContent(false);
        Object[] interceptors = { localeChangeInterceptor() };
        requestMappingHandlerMapping.setInterceptors(interceptors);
        return requestMappingHandlerMapping;
    }
}


  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71

DatabaseAutoConfiguration.java

Flowable 是基于 liquibase 进行数据库自动管理与追踪的
在这里插入图片描述

所以我们还需要加一个 liquibase 的配置类，在config/flowable中添加一个DatabaseConfiguration类（可以把org.flowable.ui.modeler.conf.DatabaseConfiguration下的复制下来改一改）
在这里插入图片描述
代码如下：

package com.flowable.modeler.config.flowable;

import liquibase.Liquibase;
import liquibase.database.Database;
import liquibase.database.DatabaseConnection;
import liquibase.database.DatabaseFactory;
import liquibase.database.jvm.JdbcConnection;
import liquibase.exception.DatabaseException;
import liquibase.resource.ClassLoaderResourceAccessor;
import org.flowable.ui.common.service.exception.InternalServerErrorException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.sql.DataSource;

@Configuration
public class DatabaseAutoConfiguration {

    private static final Logger LOGGER = LoggerFactory.getLogger(DatabaseAutoConfiguration.class);

    protected static final String LIQUIBASE_CHANGELOG_PREFIX = "ACT_DE_";

    @Bean
    public Liquibase liquibase(DataSource dataSource) {
        LOGGER.info("Configuring Liquibase");

        Liquibase liquibase = null;
        try {
            DatabaseConnection connection = new JdbcConnection(dataSource.getConnection());
            Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);
            database.setDatabaseChangeLogTableName(LIQUIBASE_CHANGELOG_PREFIX + database.getDatabaseChangeLogTableName());
            database.setDatabaseChangeLogLockTableName(LIQUIBASE_CHANGELOG_PREFIX + database.getDatabaseChangeLogLockTableName());

            liquibase = new Liquibase("META-INF/liquibase/flowable-modeler-app-db-changelog.xml", new ClassLoaderResourceAccessor(), database);
            liquibase.update("flowable");
            return liquibase;
        } catch (Exception e) {
            throw new InternalServerErrorException("Error creating liquibase database", e);
        } finally {
            closeDatabase(liquibase);
        }
    }

    private void closeDatabase(Liquibase liquibase) {
        if (liquibase != null) {
            Database database = liquibase.getDatabase();
            if (database != null) {
                try {
                    database.close();
                } catch (DatabaseException e) {
                    LOGGER.warn("Error closing database", e);
                }
            }
        }
    }
}


  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59

之后还需要添加mybatis扫描XML的配置

classpath:/META-INF/modeler-mybatis-mappings/*.xml

  • 1

如下面mybatis的全部配置，添加到mapper-locations后即可

mybatis:
  # 新增 modeler-mybatis-mappings xml 扫描
  mapper-locations: mapper/*/*.xml, classpath*:mapper/*.xml, classpath:/META-INF/modeler-mybatis-mappings/*.xml
  configuration:
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
  # 参数配置
  configuration-properties:
    # 配置流程引擎参数，详情可见 DatabaseConfiguration
    blobType: BLOB
    boolValue: TRUE
    # 不要设置库名，否则会出现双库名 bug
    prefix: ''

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12

汉化操作配置

StencilSetResource.java

路径：flowable-engine-flowable-6.4.1\modules\flowable-ui-modeler\flowable-ui-modeler-rest\src\main\java\org\flowable\ui\modeler\rest\app

同时在 resource 下新建一个 stencilset 文件夹用来放汉化文件
在这里插入图片描述
原因：国际化配置加载，为了使用我们自己的汉化文件因此把文件拿出来并修改，文件路径随意

PS：复制出来后要对这个文件进行重命名，否则会与 Jar 包里的文件产生 Bean 存在的冲突

代码如下（重命名后叫 FlowableStencilSetResource.java）：

/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.flowable.modeler.config.flowable;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.flowable.ui.common.service.exception.InternalServerErrorException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/app")
public class FlowableStencilSetResource {

    private static final Logger LOGGER = LoggerFactory.getLogger(FlowableStencilSetResource.class);

    @Autowired
    protected ObjectMapper objectMapper;

    @RequestMapping(value = "/rest/stencil-sets/editor", method = RequestMethod.GET, produces = "application/json")
    public JsonNode getStencilSetForEditor() {
        try {
            JsonNode stencilNode = objectMapper.readTree(this.getClass().getClassLoader().getResourceAsStream("stencilset/stencilset_bpmn.json"));
            return stencilNode;
        } catch (Exception e) {
            LOGGER.error("Error reading bpmn stencil set json", e);
            throw new InternalServerErrorException("Error reading bpmn stencil set json");
        }
    }
    
    @RequestMapping(value = "/rest/stencil-sets/cmmneditor", method = RequestMethod.GET, produces = "application/json")
    public JsonNode getCmmnStencilSetForEditor() {
        try {
            JsonNode stencilNode = objectMapper.readTree(this.getClass().getClassLoader().getResourceAsStream("stencilset/stencilset_cmmn.json"));
            return stencilNode;
        } catch (Exception e) {
            LOGGER.error("Error reading bpmn stencil set json", e);
            throw new InternalServerErrorException("Error reading bpmn stencil set json");
        }
    }
}


  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56

SecurityUtils

路径：flowable-engine-flowable-6.4.1\modules\flowable-ui-common\src\main\java\org\flowable\ui\common\security

原因：流程模型加载需要调用的工具类，文件路径需要与原路径保持一致，也就是包路径必须是 org.flowable.ui.common.security 这样在 Jar 中的方法在调用时会覆盖原 Jar 里的工具类

整体结构如下图：
在这里插入图片描述
代码如下：

/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.flowable.ui.common.security;

import org.flowable.idm.api.User;
import org.flowable.ui.common.model.RemoteUser;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolder;

import java.util.ArrayList;
import java.util.List;

/**
 * Utility class for Spring Security.
 */
public class SecurityUtils {

    private static User assumeUser;

    private SecurityUtils() {
    }

    /**
     * Get the login of the current user.
     */
    public static String getCurrentUserId() {
        User user = getCurrentUserObject();
        if (user != null) {
            return user.getId();
        }

        return null;
    }

    /**
     * @return the {@link User} object associated with the current logged in user.
     */
    public static User getCurrentUserObject() {
        if (assumeUser != null) {
            return assumeUser;
        }

        RemoteUser user = new RemoteUser();
        user.setId("admin");
        user.setDisplayName("Administrator");
        user.setFirstName("Administrator");
        user.setLastName("Administrator");
        user.setEmail("admin@flowable.com");
        user.setPassword("123456");
        List<String> pris = new ArrayList<>();
        pris.add(DefaultPrivileges.ACCESS_MODELER);
        pris.add(DefaultPrivileges.ACCESS_IDM);
        pris.add(DefaultPrivileges.ACCESS_ADMIN);
        pris.add(DefaultPrivileges.ACCESS_TASK);
        pris.add(DefaultPrivileges.ACCESS_REST_API);
        user.setPrivileges(pris);
        return user;
    }

    public static FlowableAppUser getCurrentFlowableAppUser() {
        FlowableAppUser user = null;
        SecurityContext securityContext = SecurityContextHolder.getContext();
        if (securityContext != null && securityContext.getAuthentication() != null) {
            Object principal = securityContext.getAuthentication().getPrincipal();
            if (principal instanceof FlowableAppUser) {
                user = (FlowableAppUser) principal;
            }
        }
        return user;
    }

    public static boolean currentUserHasCapability(String capability) {
        FlowableAppUser user = getCurrentFlowableAppUser();
        for (GrantedAuthority grantedAuthority : user.getAuthorities()) {
            if (capability.equals(grantedAuthority.getAuthority())) {
                return true;
            }
        }
        return false;
    }

    public static void assumeUser(User user) {
        assumeUser = user;
    }

    public static void clearAssumeUser() {
        assumeUser = null;
    }

}


  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102

认证请求配置

前端 url-config.js 修改

路径：resource\static\scripts\configuration\url-conf.js

将 getAccountUrl 的路径改为上面自己的 getAccount 接口的路径，我们让他使用我们自己的认证

在这里插入图片描述

后端添加Controller

添加一个登录认证的FlowableController
在这里插入图片描述
代码如下：

package com.flowable.modeler.controller;

import org.flowable.ui.common.model.UserRepresentation;
import org.flowable.ui.common.security.DefaultPrivileges;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import java.util.ArrayList;
import java.util.List;

/**
 * @author yangjian
 * @date 2023/9/7 13:42:11
 */
@RestController
@RequestMapping("/login")
public class FlowableController {

    /**
     * 获取默认的管理员信息
     * @return
     */
    @RequestMapping(value = "/rest/account", method = RequestMethod.GET, produces = "application/json")
    public UserRepresentation getAccount() {
        UserRepresentation userRepresentation = new UserRepresentation();
        userRepresentation.setId("admin");
        userRepresentation.setEmail("admin@flowable.org");
        userRepresentation.setFullName("Administrator");
        // userRepresentation.setLastName("Administrator");
        userRepresentation.setFirstName("Administrator");
        List<String> privileges = new ArrayList<>();
        privileges.add(DefaultPrivileges.ACCESS_MODELER);
        privileges.add(DefaultPrivileges.ACCESS_IDM);
        privileges.add(DefaultPrivileges.ACCESS_ADMIN);
        privileges.add(DefaultPrivileges.ACCESS_TASK);
        privileges.add(DefaultPrivileges.ACCESS_REST_API);
        userRepresentation.setPrivileges(privileges);
        return userRepresentation;
    }
}


  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42

修改Application启动类配置

启用我们新修改的配置类 ApplicationConfiguration.class, AppDispatcherServletConfiguration.class, DatabaseAutoConfiguration.class

package com.flowable.modeler;

import com.flowable.modeler.config.flowable.ApplicationConfiguration;
import com.flowable.modeler.config.flowable.AppDispatcherServletConfiguration;
import com.flowable.modeler.config.flowable.DatabaseAutoConfiguration;

import org.flowable.ui.modeler.conf.DatabaseConfiguration;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Import;

//启用全局异常拦截器
@Import(value={
		// 引入修改的配置
		ApplicationConfiguration.class,
		AppDispatcherServletConfiguration.class,
		// 引入 DatabaseConfiguration 表更新转换,
		DatabaseAutoConfiguration.class
})
// Spring Cloud 为 Finchley 版本
@ComponentScan(basePackages = {"com.flowable.modeler.*"})
@SpringBootApplication(exclude={SecurityAutoConfiguration.class})
// @SpringBootApplication
public class FlowableModelerDemoApplication {

	public static void main(String[] args) {
		SpringApplication.run(FlowableModelerDemoApplication.class, args);
	}
}


  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33

启动项目

启动项目，访问 http://localhost:8087/

在这里插入图片描述

声明：本文内容由网友自发贡献，不代表【wpsshop博客】立场，版权归原作者所有，本站不承担相应法律责任。如您发现有侵权的内容，请联系我们。转载请注明出处：https://www.wpsshop.cn/w/盐析白兔/article/detail/681152
推荐阅读
相关标签

Copyright © 2003-2013 www.wpsshop.cn 版权所有，并保留所有权利。

  

闽ICP备14008679号