code: private static List<String> splitAddress(String addresses){
  		if(StrUtil.isBlank(addresses)) {
  			return null;
  		}
  		
  		List<String> result;
  		if(StrUtil.contains(addresses, ',')) {
  			result = StrUtil.splitTrim(addresses, ',');
  		}else if(StrUtil.contains(addresses, ';')) {
  			result = StrUtil.splitTrim(addresses, ';');
  		}else {
  			result = CollUtil.newArrayList(addresses);
  		}
  		return result;
  	}
docs: 将多个联系人转为列表，分隔符为逗号或者分号
  
  @param addresses 多个联系人，如果为空返回null
  @return 联系人列表