7 张表，一个依赖，
跑通整条审批流

1 <dependency>
   <groupId>org.dromara.warm</groupId>
   <artifactId>warm-flow-mybatis-plus-sb3-starter</artifactId>
 </dependency>
2 -- 执行建表 SQL（flow_definition / flow_node / flow_task …共 7 张）
3 @Autowired private FlowExecutionService executionService;

   // 办理人走 ${handler} 表达式，流程变量随需传递
   Map<String,Object> variable = Map.of("handler", "1001");
   ExecutionInstance instance = executionService.start("leave", 1001L, variable);