在处理商品分类时，对标签就行分割处理，打算制作文件树。把标签名字做为文件树的名称，但是出现["茶具/茶杯"]。这种情况，是呀OS库的od.mkdir方法。文件会生成两层，把被需要创建的也理解成要创建的标签。
解决办法;
def dirNameCheck(dirName:str):
chars = ["#","\\","/",":","*","?","\"","<",">","|"] # 非法字符：\ / : * ? " < > |
for char in chars:
dirName=dirName.replace(char,"_")
return dirName
