工作流引擎基础类（基于flowable）

 package com.ruoyi.flowable.utils;

    
 import cn.hutool.core.util.StrUtil;
    
 import org.flowable.bpmn.converter.BpmnXMLConverter;
    
 import org.flowable.common.engine.impl.util.io.StringStreamSource;
    
  
    
 public class ModelUtils {
    
      private static final BpmnXMLConverter bpmnXMLConverter = new BpmnXMLConverter();
    
  
    
     /** * xml转bpmnModel对象
    
      * * @param xml xml
    
      * @return bpmnModel对象
    
      */
    
     public static BpmnModel getBpmnModel(String xml) {
    
     return bpmnXMLConverter.convertT