RuoYi 集成flowable 6.7.0+flowable-modeler

fanhengkui

已于 2023-10-18 18:36:04 修改

阅读量5.6k

点赞数 7

文章标签： mybatis java spring boot

于 2023-03-09 15:07:07 首次发布

本文链接：https://blog.youkuaiyun.com/fanhengkui/article/details/129099431

版权

集成flowable

1.1导入maven依赖

<flowable.version>6.7.0</flowable.version>
<!--flowable 主依赖-->
<dependency>
    <groupId>org.flowable</groupId>
    <artifactId>flowable-spring-boot-starter</artifactId>
    <version>${flowable.version}</version>
</dependency>

集成flowable-modeler

2.1 maven依赖

<!-- flowable 集成依赖conf ,包内包含 rest，logic -->
<dependency>
    <groupId>org.flowable</groupId>
    <artifactId>flowable-ui-modeler-conf</artifactId>
    <version>${flowable.version}</version>
    <exclusions>
        <exclusion>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
        </exclusion>
        <exclusion>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
        </exclusion>
    </exclusions>
</dependency>

前端下载

地址：GitHub - flowable/flowable-engine: A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

直接将github上flowable-engine项目（GitHub - flowable/flowable-engine: A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.）version 6.7.0 （分支 origin/flowable-release-6.7.0）的前端代码拷贝到自己项目中，路径保持相同：flowable-engine-6.7.0\modules\flowable-ui-modeler\flowable-ui-modeler-app\src\main\resources

2.2 flowable的yml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
  database-schema-update: true
  process-definition-location-prefix: classpath*:/processes/
  process-definition-location-suffixes: "**.bpmn20.xml, **.bpmn"
  common:
    app:
      idm-url: http://localhost:${server.port}/flowable-idm1
      idm-admin:
        user: admin
        password: test
  #解决乱码问题
  activity-font-name: 宋体
  label-font-name: 宋体
  annotation-font-name: 宋体
  #关闭定时任务JOB
  async-executor-activate: false

2.3路径重定向配置

（用于路径跳转直接可免去index.html）


    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
        registry.addViewController("/").setViewName("forward:" + indexUrl);
        registry.addViewController("/modeler").setViewName("forward:/modeler/index.html");
    }

2.4免登录配置

类名随意定，如FlowableSecurityConfiguration.class，包路径与flowable相同：org.flowable.ui.modeler.conf


import org.flowable.ui.common.security.SecurityConstants;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;

@Configuration(proxyBeanMethods = false)
@EnableWebSecurity
public class FlowableSecurityConfiguration {

    @Configuration
    @Order(SecurityConstants.TASK_API_SECURITY_ORDER)
    public static class ModelerApiWebSecurityConfigurationAdapter extends WebSecurityConfigurerAdapter {

        @Override
        protected void configure(HttpSecurity http) throws Exception {
            http
                    //必须要将csrf设置为disable，不然后面发送POST请求时会报403错误
                    .csrf().disable()
                    //为了简单起见，简单粗暴方式直接放行modeler下面所有请求
                    .authorizeRequests().antMatchers("/modeler/**").permitAll();
            //解决iframe无法访问问题
            http.csrf().disable().headers().frameOptions().sameOrigin();
        }
    }
}

2.5 数据库链接配置

类名随意定，如DatabaseConfiguration.class


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.apache.ibatis.session.SqlSessionFactory;
import org.flowable.common.engine.api.FlowableException;
import org.flowable.ui.common.service.exception.InternalServerErrorException;
import org.flowable.ui.common.util.LiquibaseUtil;
import org.flowable.ui.modeler.properties.FlowableModelerAppProperties;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.boot.autoconfigure.MybatisProperties;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.core.io.support.ResourcePatternResolver;
import org.springframework.core.io.support.ResourcePatternUtils;

import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Properties;

@Configuration
public class DatabaseConfiguration {

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

    protected static final String LIQUIBASE_CHANGELOG_PREFIX = "ACT_DE_";

    @Autowired
    protected FlowableModelerAppProperties modelerAppProperties;
    @Autowired
    protected MybatisProperties mybatisProperties;

    @Autowired
    protected ResourceLoader resourceLoader;

    protected static Properties databaseTypeMappings = getDefaultDatabaseTypeMappings();

    public static final String DATABASE_TYPE_H2 = "h2";
    public static final String DATABASE_TYPE_HSQL = "hsql";
    public static final String DATABASE_TYPE_MYSQL = "mysql";
    public static final String DATABASE_TYPE_ORACLE = "oracle";
    public static final String DATABASE_TYPE_POSTGRES = "postgres";
    public static final String DATABASE_TYPE_MSSQL = "mssql";
    public static final String DATABASE_TYPE_DB2 = "db2";

    public static Properties getDefaultDatabaseTypeMappings() {
        Properties databaseTypeMappings = new Properties();
        databaseTypeMappings.setProperty("H2", DATABASE_TYPE_H2);
        databaseTypeMappings.setProperty("HSQL Database Engine", DATABASE_TYPE_HSQL);
        databaseTypeMappings.setProperty("MySQL", DATABASE_TYPE_MYSQL);
        databaseTypeMappings.setProperty("MariaDB", DATABASE_TYPE_MYSQL);
        databaseTypeMappings.setProperty("Oracle", DATABASE_TYPE_ORACLE);
        databaseTypeMappings.setProperty("PostgreSQL", DATABASE_TYPE_POSTGRES);
        databaseTypeMappings.setProperty("Microsoft SQL Server", DATABASE_TYPE_MSSQL);
        databaseTypeMappings.setProperty(DATABASE_TYPE_DB2, DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/NT", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/NT64", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2 UDP", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/LINUX", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/LINUX390", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/LINUXX8664", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/LINUXZ64", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/LINUXPPC64", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/LINUXPPC64LE", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/400 SQL", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/6000", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2 UDB iSeries", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/AIX64", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/HPUX", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/HP64", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/SUN", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/SUN64", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/PTX", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/2", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2 UDB AS400", DATABASE_TYPE_DB2);
        return databaseTypeMappings;
    }

    @Bean
    @Qualifier("flowableModeler")
    @Primary
    public SqlSessionFactory modelerSqlSessionFactory(DataSource dataSource) {
        SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
        sqlSessionFactoryBean.setDataSource(dataSource);
        String databaseType = initDatabaseType(dataSource);
        if (databaseType == null) {
            throw new FlowableException("couldn't deduct database type");
        }

        try {
            Properties properties = new Properties();
            properties.put("prefix", modelerAppProperties.getDataSourcePrefix());
            properties.put("blobType", "BLOB");
            properties.put("boolValue", "TRUE");

            properties.load(this.getClass().getClassLoader().getResourceAsStream("org/flowable/db/properties/" + databaseType + ".properties"));

            sqlSessionFactoryBean.setConfigurationProperties(properties);
            //这个是原始代码，只添加flowable的扫描路径
//            sqlSessionFactoryBean
//                    .setMapperLocations(ResourcePatternUtils.getResourcePatternResolver(resourceLoader).getResources("classpath:/META-INF/modeler-mybatis-mappings/*.xml"));
            //由于后面要设置该SqlSessionFactory为主要的SqlSessionFactory，
            // 然后Ruoyi中使用时Mybatis自动注入，所以在这个地方就需要添加Ruoyi配置扫描
            ResourcePatternResolver resourcePatternResolver = ResourcePatternUtils.getResourcePatternResolver(resourceLoader);

            List<Resource> allResourceList = new ArrayList<>();
            List<String> mapperLocations = new ArrayList<>();
            //先添加
            mapperLocations.add("classpath:/META-INF/modeler-mybatis-mappings/*.xml");
            mapperLocations.add("classpath*:/mapper/**/*Mapper.xml");
            mapperLocations.add("mapper/*/*.xml");
            mapperLocations.add("classpath*:mapper/*.xml");
            for (String mapperLocation : mapperLocations) {
                try {
                    Resource[] resources = resourcePatternResolver.getResources(mapperLocation);
                    allResourceList.addAll(Arrays.asList(resources));
                } catch (Exception ex) {
                    throw new FlowableException("Could not create sqlSessionFactory", ex);
                }
            }
            Resource[] allResourceArr = allResourceList.toArray(new Resource[allResourceList.size()]);
            //因为若依中使用了类别名基础包，所以需要在这个地方进行添加
            sqlSessionFactoryBean.setTypeAliasesPackage(mybatisProperties.getTypeAliasesPackage());
            sqlSessionFactoryBean.setMapperLocations(allResourceArr);
            sqlSessionFactoryBean.afterPropertiesSet();
            return sqlSessionFactoryBean.getObject();
        } catch (Exception e) {
            throw new FlowableException("Could not create sqlSessionFactory", e);
        }

    }

    @Bean(destroyMethod = "clearCache")
    // destroyMethod: see https://github.com/mybatis/old-google-code-issues/issues/778
    @Qualifier("flowableModeler")
    @Primary
    public SqlSessionTemplate modelerSqlSessionTemplate(@Qualifier("flowableModeler") SqlSessionFactory sqlSessionFactory) {
        return new SqlSessionTemplate(sqlSessionFactory);
    }

    @Bean
    @Qualifier("flowableModeler")
    public Liquibase modelerLiquibase(DataSource dataSource) {
        LOGGER.info("Configuring Liquibase");

        try {
            return LiquibaseUtil.runInFlowableScope(() -> createAndUpdateLiquibase(dataSource));
        } catch (Exception e) {
            throw new InternalServerErrorException("Error creating liquibase database", e);
        }
    }

    protected Liquibase createAndUpdateLiquibase(DataSource dataSource) {
        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);
        }
    }

    protected String initDatabaseType(DataSource dataSource) {
        String databaseType = null;
        Connection connection = null;
        try {
            connection = dataSource.getConnection();
            DatabaseMetaData databaseMetaData = connection.getMetaData();
            String databaseProductName = databaseMetaData.getDatabaseProductName();
            LOGGER.info("database product name: '{}'", databaseProductName);
            databaseType = databaseTypeMappings.getProperty(databaseProductName);
            if (databaseType == null) {
                throw new FlowableException("couldn't deduct database type from database product name '" + databaseProductName + "'");
            }
            LOGGER.info("using database type: {}", databaseType);

        } catch (SQLException e) {
            LOGGER.error("Exception while initializing Database connection", e);
        } finally {
            try {
                if (connection != null) {
                    connection.close();
                }
            } catch (SQLException e) {
                LOGGER.error("Exception while closing the Database connection", e);
            }
        }

        return databaseType;
    }

    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);
                }
            }
        }
    }
}

2.6修改框架原有mybatis配置

2.6.1重写自动化读取

类名随意定，


import org.apache.ibatis.mapping.DatabaseIdProvider;
import org.apache.ibatis.plugin.Interceptor;
import org.apache.ibatis.session.Configuration;
import org.apache.ibatis.session.ExecutorType;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.boot.autoconfigure.MybatisProperties;
import org.mybatis.spring.boot.autoconfigure.SpringBootVFS;
import org.springframework.context.ApplicationContext;
import org.springframework.core.io.ResourceLoader;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;

import javax.sql.DataSource;

public class AbsMybatisAutoConfiguration {

    protected SqlSessionFactory getSqlSessionFactory(
            DataSource dataSource,
            MybatisProperties properties,
            ResourceLoader resourceLoader,
            Interceptor[] interceptors,
            DatabaseIdProvider databaseIdProvider,
            ApplicationContext applicationContext
    ) throws Exception {
        SqlSessionFactoryBean factory = new SqlSessionFactoryBean();
        factory.setDataSource(dataSource);
        factory.setVfs(SpringBootVFS.class);
        if (StringUtils.hasText(properties.getConfigLocation())) {
            factory.setConfigLocation(resourceLoader.getResource(properties.getConfigLocation()));
        }
        Configuration configuration = properties.getConfiguration();
        if (configuration == null && !StringUtils.hasText(properties.getConfigLocation())) {
            configuration = new Configuration();
        }

        factory.setConfiguration(configuration);
        if (properties.getConfigurationProperties() != null) {
            factory.setConfigurationProperties(properties.getConfigurationProperties());
        }
        if (!ObjectUtils.isEmpty(interceptors)) {
            factory.setPlugins(interceptors);
        }
        if (databaseIdProvider != null) {
            factory.setDatabaseIdProvider(databaseIdProvider);
        }
        if (StringUtils.hasLength(properties.getTypeAliasesPackage())) {
            factory.setTypeAliasesPackage(properties.getTypeAliasesPackage());
        }
        if (StringUtils.hasLength(properties.getTypeHandlersPackage())) {
            factory.setTypeHandlersPackage(properties.getTypeHandlersPackage());
        }
        if (!ObjectUtils.isEmpty(properties.resolveMapperLocations())) {
            factory.setMapperLocations(properties.resolveMapperLocations());
        }

        return factory.getObject();
    }

    private void applyConfiguration(SqlSessionFactoryBean factory, MybatisProperties properties) {
        Configuration configuration = properties.getConfiguration();
        if (configuration == null && !StringUtils.hasText(properties.getConfigLocation())) {
            configuration = new Configuration();
        }

        factory.setConfiguration(configuration);
    }

    public SqlSessionTemplate getSqlSessionTemplate(SqlSessionFactory sqlSessionFactory, MybatisProperties properties) {
        ExecutorType executorType = properties.getExecutorType();
        if (executorType != null) {
            return new SqlSessionTemplate(sqlSessionFactory, executorType);
        } else {
            return new SqlSessionTemplate(sqlSessionFactory);
        }
    }
}

2.6.2MyBatisConfig.class修改

屏蔽内部所有方法，继承上边的自动化配置类，增加注解和注入bean


import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.annotation.MapperScan;
import org.mybatis.spring.boot.autoconfigure.MybatisProperties;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.core.io.ResourceLoader;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.sql.DataSource;

/**
 * Mybatis支持*匹配扫描包
 * 
 * @author ruoyi
 */
@EnableTransactionManagement(proxyTargetClass = true)
@Configuration
@MapperScan(sqlSessionFactoryRef = "sqlSessionFactory", sqlSessionTemplateRef = "sqlSessionTemplate")
public class MyBatisConfig extends AbsMybatisAutoConfiguration{
    @Bean(name = "mySqlSessionFactory")
    public SqlSessionFactory sqlSessionFactoryBean(DataSource dataSource,
                                                   MybatisProperties properties,
                                                   ResourceLoader resourceLoader,
                                                   ApplicationContext applicationContext) throws Exception {
        return getSqlSessionFactory(dataSource,
                properties,
                resourceLoader,
                null,
                null,
                applicationContext);
    }

    @Bean(name = "mySqlSessionTemplate")
    public SqlSessionTemplate sqlSessionTemplate(MybatisProperties properties,
                                                 @Qualifier("mySqlSessionFactory") SqlSessionFactory sqlSessionFactory) {
        return getSqlSessionTemplate(sqlSessionFactory, properties);
    }
}

2.6.3yml修改mybatis配置

让其支持BLOB

# MyBatis
mybatis:
  # 搜索指定包别名
  typeAliasesPackage: org.morfly.kdla.pdmp.**.domain
  # 配置mapper的扫描，找到所有的mapper.xml映射文件
  mapperLocations: mapper/*/*.xml,classpath*:mapper/*.xml,classpath:/META-INF/modeler-mybatis-mappings/*.xml
  # 加载全局的配置文件
  configLocation: classpath:mybatis/mybatis-config.xml
  # 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: ''

外记：

1.项目集成mybatis-plus

如果项目中的mybatis升级成mybatis-plus，需要对三个配置类修改：MybatisConfiguration.class和MyBatisConfig.class，DatabaseConfiguration.class,内容如下：

AbstractMybatisPlusConfiguration.class


import com.baomidou.mybatisplus.autoconfigure.MybatisPlusProperties;
import com.baomidou.mybatisplus.autoconfigure.SpringBootVFS;
import com.baomidou.mybatisplus.core.MybatisConfiguration;
import com.baomidou.mybatisplus.core.config.GlobalConfig;
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.baomidou.mybatisplus.core.incrementer.IKeyGenerator;
import com.baomidou.mybatisplus.core.injector.ISqlInjector;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean;
import org.apache.ibatis.mapping.DatabaseIdProvider;
import org.apache.ibatis.plugin.Interceptor;
import org.apache.ibatis.session.ExecutorType;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.context.ApplicationContext;
import org.springframework.core.io.ResourceLoader;
import org.springframework.util.StringUtils;

import javax.sql.DataSource;
import java.util.List;
public class AbstractMybatisPlusConfiguration {

    protected SqlSessionFactory getSqlSessionFactory(
            DataSource dataSource,
            MybatisPlusProperties properties,
            ResourceLoader resourceLoader,
            Interceptor[] interceptors,
            DatabaseIdProvider databaseIdProvider,
            ApplicationContext applicationContext
    ) throws Exception {
        MybatisSqlSessionFactoryBean factory = new MybatisSqlSessionFactoryBean();
        factory.setDataSource(dataSource);
        factory.setVfs(SpringBootVFS.class);
        if (StringUtils.hasText(properties.getConfigLocation())) {
            factory.setConfigLocation(resourceLoader.getResource(properties.getConfigLocation()));
        }
        applyConfiguration(factory, properties);
        if (properties.getConfigurationProperties() != null) {
            factory.setConfigurationProperties(properties.getConfigurationProperties());
        }
        if (!ObjectUtils.isEmpty(interceptors)) {
            factory.setPlugins(interceptors);
        }
        if (databaseIdProvider != null) {
            factory.setDatabaseIdProvider(databaseIdProvider);
        }
        if (StringUtils.hasLength(properties.getTypeAliasesPackage())) {
            factory.setTypeAliasesPackage(properties.getTypeAliasesPackage());
        }
        // TODO 自定义枚举包
        if (StringUtils.hasLength(properties.getTypeEnumsPackage())) {
            factory.setTypeEnumsPackage(properties.getTypeEnumsPackage());
        }
        if (properties.getTypeAliasesSuperType() != null) {
            factory.setTypeAliasesSuperType(properties.getTypeAliasesSuperType());
        }
        if (StringUtils.hasLength(properties.getTypeHandlersPackage())) {
            factory.setTypeHandlersPackage(properties.getTypeHandlersPackage());
        }
        if (!ObjectUtils.isEmpty(properties.resolveMapperLocations())) {
            factory.setMapperLocations(properties.resolveMapperLocations());
        }
        // TODO 此处必为非 NULL
        GlobalConfig globalConfig = properties.getGlobalConfig();
        //注入填充器
        if (applicationContext.getBeanNamesForType(MetaObjectHandler.class,
                false, false).length > 0) {
            MetaObjectHandler metaObjectHandler = applicationContext.getBean(MetaObjectHandler.class);
            globalConfig.setMetaObjectHandler(metaObjectHandler);
        }
        //注入主键生成器
        if (applicationContext.getBeanNamesForType(IKeyGenerator.class, false,
                false).length > 0) {
            IKeyGenerator keyGenerator = applicationContext.getBean(IKeyGenerator.class);
            globalConfig.getDbConfig().setKeyGenerators((List<IKeyGenerator>) keyGenerator);
        }
        //注入sql注入器
        if (applicationContext.getBeanNamesForType(ISqlInjector.class, false,
                false).length > 0) {
            ISqlInjector iSqlInjector = applicationContext.getBean(ISqlInjector.class);
            globalConfig.setSqlInjector(iSqlInjector);
        }
        factory.setGlobalConfig(globalConfig);
        return factory.getObject();
    }

    private void applyConfiguration(MybatisSqlSessionFactoryBean factory, MybatisPlusProperties properties) {
        MybatisConfiguration configuration = properties.getConfiguration();
        if (configuration == null && !StringUtils.hasText(properties.getConfigLocation())) {
            configuration = new MybatisConfiguration();
        }
//        if (configuration != null && !CollectionUtils.isEmpty(this.configurationCustomizers)) {
//            for (ConfigurationCustomizer customizer : this.configurationCustomizers) {
//                customizer.customize(configuration);
//            }
//        }
        factory.setConfiguration(configuration);
    }

    public SqlSessionTemplate getSqlSessionTemplate(SqlSessionFactory sqlSessionFactory, MybatisPlusProperties properties) {
        ExecutorType executorType = properties.getExecutorType();
        if (executorType != null) {
            return new SqlSessionTemplate(sqlSessionFactory, executorType);
        } else {
            return new SqlSessionTemplate(sqlSessionFactory);
        }
    }
}

DatabaseConfiguration.class


import com.baomidou.mybatisplus.autoconfigure.MybatisPlusProperties;
import com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean;
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 lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.session.SqlSessionFactory;
import org.flowable.common.engine.api.FlowableException;
import org.flowable.ui.common.service.exception.InternalServerErrorException;
import org.flowable.ui.modeler.properties.FlowableModelerAppProperties;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.core.io.support.ResourcePatternResolver;
import org.springframework.core.io.support.ResourcePatternUtils;

import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Properties;

@Configuration
@Slf4j
public class DatabaseConfiguration {
    protected static final String LIQUIBASE_CHANGELOG_PREFIX = "ACT_DE_";

    @Autowired
    protected FlowableModelerAppProperties modelerAppProperties;

    @Autowired
    protected ResourceLoader resourceLoader;
    @Autowired
    protected MybatisPlusProperties mybatisPlusProperties;

    protected static Properties databaseTypeMappings = getDefaultDatabaseTypeMappings();

    public static final String DATABASE_TYPE_H2 = "h2";
    public static final String DATABASE_TYPE_HSQL = "hsql";
    public static final String DATABASE_TYPE_MYSQL = "mysql";
    public static final String DATABASE_TYPE_ORACLE = "oracle";
    public static final String DATABASE_TYPE_POSTGRES = "postgres";
    public static final String DATABASE_TYPE_MSSQL = "mssql";
    public static final String DATABASE_TYPE_DB2 = "db2";

    public static Properties getDefaultDatabaseTypeMappings() {
        Properties databaseTypeMappings = new Properties();
        databaseTypeMappings.setProperty("H2", DATABASE_TYPE_H2);
        databaseTypeMappings.setProperty("HSQL Database Engine", DATABASE_TYPE_HSQL);
        databaseTypeMappings.setProperty("MySQL", DATABASE_TYPE_MYSQL);
        databaseTypeMappings.setProperty("Oracle", DATABASE_TYPE_ORACLE);
        databaseTypeMappings.setProperty("PostgreSQL", DATABASE_TYPE_POSTGRES);
        databaseTypeMappings.setProperty("Microsoft SQL Server", DATABASE_TYPE_MSSQL);
        databaseTypeMappings.setProperty(DATABASE_TYPE_DB2, DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/NT", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/NT64", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2 UDP", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/LINUX", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/LINUX390", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/LINUXX8664", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/LINUXZ64", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/LINUXPPC64", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/400 SQL", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/6000", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2 UDB iSeries", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/AIX64", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/HPUX", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/HP64", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/SUN", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/SUN64", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/PTX", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2/2", DATABASE_TYPE_DB2);
        databaseTypeMappings.setProperty("DB2 UDB AS400", DATABASE_TYPE_DB2);
        return databaseTypeMappings;
    }

    @Bean
    @Qualifier("flowableModeler")
    @Primary
    public SqlSessionFactory sqlSessionFactory(DataSource dataSource) {
        MybatisSqlSessionFactoryBean sqlSessionFactoryBean = new MybatisSqlSessionFactoryBean();
        sqlSessionFactoryBean.setDataSource(dataSource);
        String databaseType = initDatabaseType(dataSource);
        if (databaseType == null) {
            throw new FlowableException("couldn't deduct database type");
        }

        try {
            Properties properties = new Properties();
            properties.put("prefix", modelerAppProperties.getDataSourcePrefix());
            properties.put("blobType", "BLOB");
            properties.put("boolValue", "TRUE");
            log.info("this.getClass().getClassLoader():{}",databaseType);
            properties.load(this.getClass().getClassLoader().getResourceAsStream("org/flowable/db/properties/" + databaseType + ".properties"));

            sqlSessionFactoryBean.setConfigurationProperties(properties);
            //这个是原始代码，只添加flowable的扫描路径
//            sqlSessionFactoryBean
//                    .setMapperLocations(ResourcePatternUtils.getResourcePatternResolver(resourceLoader).getResources("classpath:/META-INF/modeler-mybatis-mappings/*.xml"));
            //由于后面要设置该SqlSessionFactory为主要的SqlSessionFactory，
            // 然后Ruoyi中使用时Mybatis自动注入，所以在这个地方就需要添加Ruoyi配置扫描
            ResourcePatternResolver resourcePatternResolver = ResourcePatternUtils.getResourcePatternResolver(resourceLoader);

            List<Resource> allResourceList = new ArrayList<>();
            List<String> mapperLocations = new ArrayList<>();
            //先添加
            mapperLocations.add("classpath:/META-INF/modeler-mybatis-mappings/*.xml");
            mapperLocations.add("classpath*:/mapper/**/*Mapper.xml");
            mapperLocations.add("mapper/*/*.xml");
            mapperLocations.add("classpath*:mapper/*.xml");
            for (String mapperLocation : mapperLocations) {
                try {
                    Resource[] resources = resourcePatternResolver.getResources(mapperLocation);
                    allResourceList.addAll(Arrays.asList(resources));
                } catch (Exception ex) {
                    throw new FlowableException("Could not create sqlSessionFactory", ex);
                }
            }
            Resource[] allResourceArr = allResourceList.toArray(new Resource[allResourceList.size()]);
            //因为若依中使用了类别名基础包，所以需要在这个地方进行添加
            sqlSessionFactoryBean.setTypeAliasesPackage(mybatisPlusProperties.getTypeAliasesPackage());
            sqlSessionFactoryBean.setMapperLocations(allResourceArr);
            sqlSessionFactoryBean.afterPropertiesSet();
            return sqlSessionFactoryBean.getObject();
        } catch (Exception e) {
            throw new FlowableException("Could not create sqlSessionFactory", e);
        }

    }

    @Primary
    @Bean(destroyMethod = "clearCache") // destroyMethod: see https://github.com/mybatis/old-google-code-issues/issues/778
    public SqlSessionTemplate SqlSessionTemplate(SqlSessionFactory sqlSessionFactory) {
        return new SqlSessionTemplate(sqlSessionFactory);
    }

    @Bean
    public Liquibase liquibase(DataSource dataSource) {
        log.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);
        }
    }

    protected String initDatabaseType(DataSource dataSource) {
        String databaseType = null;
        Connection connection = null;
        try {
            connection = dataSource.getConnection();
            DatabaseMetaData databaseMetaData = connection.getMetaData();
            String databaseProductName = databaseMetaData.getDatabaseProductName();
            log.info("database product name: '{}'", databaseProductName);
            databaseType = databaseTypeMappings.getProperty(databaseProductName);
            if (databaseType == null) {
                throw new FlowableException("couldn't deduct database type from database product name '" + databaseProductName + "'");
            }
            log.info("using database type: {}", databaseType);

        } catch (SQLException e) {
            log.error("Exception while initializing Database connection", e);
        } finally {
            try {
                if (connection != null) {
                    connection.close();
                }
            } catch (SQLException e) {
                log.error("Exception while closing the Database connection", e);
            }
        }

        return databaseType;
    }

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

}

MybatisConfig.class改名 MybatisPlusConfig.class


import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.autoconfigure.MybatisPlusProperties;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.BlockAttackInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ResourceLoader;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.sql.DataSource;

/**
 * Mybatis Plus 配置
 *
 * @author ruoyi
 */
@EnableTransactionManagement(proxyTargetClass = true)
@Configuration
@MapperScan(sqlSessionFactoryRef = "sqlSessionFactory", sqlSessionTemplateRef = "sqlSessionTemplate")
public class MybatisPlusConfig extends AbstractMybatisPlusConfiguration
{

    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor()
    {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        // 分页插件
        interceptor.addInnerInterceptor(paginationInnerInterceptor());
        // 乐观锁插件
        interceptor.addInnerInterceptor(optimisticLockerInnerInterceptor());
        // 阻断插件
        interceptor.addInnerInterceptor(blockAttackInnerInterceptor());
        return interceptor;
    }

    /**
     * 分页插件，自动识别数据库类型 https://baomidou.com/guide/interceptor-pagination.html
     */
    public PaginationInnerInterceptor paginationInnerInterceptor()
    {
        PaginationInnerInterceptor paginationInnerInterceptor = new PaginationInnerInterceptor();
        // 设置数据库类型为mysql
        paginationInnerInterceptor.setDbType(DbType.MYSQL);
        // 设置最大单页限制数量，默认 500 条，-1 不受限制
        paginationInnerInterceptor.setMaxLimit(-1L);
        return paginationInnerInterceptor;
    }

    /**
     * 乐观锁插件 https://baomidou.com/guide/interceptor-optimistic-locker.html
     */
    public OptimisticLockerInnerInterceptor optimisticLockerInnerInterceptor()
    {
        return new OptimisticLockerInnerInterceptor();
    }

    /**
     * 如果是对全表的删除或更新操作，就会终止该操作 https://baomidou.com/guide/interceptor-block-attack.html
     */
    public BlockAttackInnerInterceptor blockAttackInnerInterceptor()
    {
        return new BlockAttackInnerInterceptor();
    }

    @Bean(name = "mySqlSessionFactory")
    public SqlSessionFactory sqlSessionFactoryBean(DataSource dataSource,
                                                   MybatisPlusProperties properties,
                                                   ResourceLoader resourceLoader,
                                                   ApplicationContext applicationContext) throws Exception {
        return getSqlSessionFactory(dataSource,
                properties,
                resourceLoader,
                null,
                null,
                applicationContext);
    }

    @Bean(name = "mySqlSessionTemplate")
    public SqlSessionTemplate sqlSessionTemplate(MybatisPlusProperties properties,
                                                 @Qualifier("mySqlSessionFactory") SqlSessionFactory sqlSessionFactory) {
        return getSqlSessionTemplate(sqlSessionFactory, properties);
    }
}

主要修改的是配置获取方法。有时mybatis-plus版本不同也会出现一些问题，比如重写的自动化配置在注入主键生成器：