flowable 怎么使用流程引擎关联的formService(Form engine )

图片说明图片说明希望各位大神给出建议: 就是flowable 完成任务接口,void completeTaskWithForm(String taskId, String formDefinitionId, String outcome, Map variables); 关联form时, 怎么导入 与流程引擎关联的formService呢 ?
org.flowable.engine.common.api.FlowableIllegalArgumentException: Form engine is not initialized

processEngine.getFormService() 断下是否有 然后进行跟踪吧

https://blog.csdn.net/teamlet/article/details/76445212