1.实现了工作流引擎 中 请假流程demo（定义在 resources/leave.bpmn)

2.增加一个一级菜单 OA 办公 下面两个菜单： 请假申请，待办任务
3.暂时不知如何找部门领导， 暂时写死为 admin
4.activity 用户组使用 用户岗位来代替。
5.新增一个用户 hradmin， 密码 123456  岗位是 人力资源
6.演示流程。
  a. admin 登陆 申请请假
  b. admin 待办任务（审批）
  c. hradmin 登陆 待办任务（审批）
  d. admin 登陆 待办任务 （确认)

yudao-framework/yudao-spring-boot-starter-activiti/pom.xml

@@ -19,20 +19,29 @@
     <properties>
         <activiti.version>7.1.0.M6</activiti.version>
     </properties>
-
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.activiti.dependencies</groupId>
+                <artifactId>activiti-dependencies</artifactId>
+                <version>${activiti.version}</version>
+                <scope>import</scope>
+                <type>pom</type>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
     <dependencies>
         <dependency>
             <groupId>cn.iocoder.boot</groupId>
             <artifactId>yudao-common</artifactId>
         </dependency>
 
-
         <dependency>
-            <groupId>org.activiti.dependencies</groupId>
-            <artifactId>activiti-dependencies</artifactId>
-            <version>${activiti.version}</version>
-            <type>pom</type>
+            <groupId>org.mybatis</groupId>
+            <artifactId>mybatis</artifactId>
+            <optional>true</optional>
         </dependency>
+
         <!--使用mybatis plus需排除掉mybatis-->
         <dependency>
             <groupId>org.activiti</groupId>
@@ -51,6 +60,10 @@
                     <groupId>org.mybatis</groupId>
                     <artifactId>mybatis</artifactId>
                 </exclusion>
+                <exclusion>
+                    <artifactId>el-api</artifactId>
+                    <groupId>javax.el</groupId>
+                </exclusion>
             </exclusions>
         </dependency>
     </dependencies>

yudao-framework/yudao-spring-boot-starter-activiti/src/main/java/cn/iocoder/yudao/framework/activiti/config/YudaoActivitiConfiguration.java

@@ -0,0 +1,32 @@
+package cn.iocoder.yudao.framework.activiti.config;
+
+import org.activiti.api.runtime.shared.identity.UserGroupManager;
+import org.activiti.spring.SpringProcessEngineConfiguration;
+import org.activiti.spring.boot.ProcessEngineConfigurationConfigurer;
+import org.apache.ibatis.session.SqlSessionFactory;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.stereotype.Component;
+
+@Configuration
+public class YudaoActivitiConfiguration {
+
+
+
+
+    @Component
+    public static class SqlSessionFactoryProcessEngineConfigurationConfigurer
+            implements ProcessEngineConfigurationConfigurer {
+
+        private final SqlSessionFactory sqlSessionFactory;
+        public SqlSessionFactoryProcessEngineConfigurationConfigurer(SqlSessionFactory sessionFactory) {
+            this.sqlSessionFactory = sessionFactory;
+        }
+
+        @Override
+        public void configure(SpringProcessEngineConfiguration springProcessEngineConfiguration) {
+            springProcessEngineConfiguration.setSqlSessionFactory(sqlSessionFactory);
+        }
+    }
+
+
+}