def pid (showtype,*args):
    # showtype  显示 "add"  隐藏 "era"
    # *args 一个数字表示显示/隐藏单个pid 
    #  列如 pid("era",2005)
    # *args 两个数字表示显示/隐藏pid 范围
    #  pid("era",2001,6010)
    # *args 大于两个数字表示显示/隐藏无规律pid list
    #  列如pid("era",2001,6010，4001，9001)
    import hw
    import hw.hv as hv
    ses = hw.Session()
    win = ses.get(hw.Window)
    model = ses.get(hv.Model)
    # 新建 collection
    collection = hv.Collection(hv.Part,populate=False)
    # 通过pid 添加 part到collection中
    if len(args) == 1:
        collection.addByID(hv.Part,idstr=args[0],visible=False)
    if len(args) == 2:                           
        collection.addByID(hv.Part,f"{args[0]}-{args[1]}",visible=False)
    if len(args) > 2:
        args_str = ",".join(str(arg) for arg in args)
        collection.addByID(hv.Part,args_str,visible=False)
    # 遍历collection中元素，执行显示或隐藏
    for part in collection.getEntities():
        if showtype =="add":
            part.visibility = True
        if showtype =="era":
            part.visibility = False
    win.draw()

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