LiteFlow中执行器FlowExecutor支持两种方式来执行一个流程,

1. execute方法,返回Slot实现类对象，直接抛出异常信息，业务系统自行处理异常；

public <T extends Slot> T execute(String chainId, Object param, Class<T> slotClazz,
                                     Integer slotIndex, boolean isInnerChain) throws Exception

2. execute2Resp方法，返回LiteflowResponse类对象，异常信息包装在LiteflowResponse类中。

 public <T extends Slot> LiteflowResponse<T> execute2Resp(String chainId, Object param, Class<T> slotClazz, Integer slotIndex,
                                        boolean isInnerChain)