python 可以导入包, 但是不能调用包中的模块 - V2EX
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hlyang1992
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python 可以导入包, 但是不能调用包中的模块

  •  
  •   hlyang1992 2016-05-11 15:57:43 +08:00 2658 次点击
    这是一个创建于 3489 天前的主题,其中的信息可能已经有所发展或是发生改变。

    目录结构如下:

    force/ __init__.py mass.py hello.py 

    force 中三个文件都是空的, 可以导入 impot force, 但是使用 force.mass 会提示 force 没有 mass 这个方法, mass 可以通过 from force import mass 导入, 怎样才能这样使用:

    import force force.mass 
    3 条回复    2016-05-11 19:37:55 +08:00
    peter999
        1
    peter999  
       2016-05-11 16:02:46 +08:00   1
    __init__.py 里写 import mass
    WangYanjie
        2
    WangYanjie  
       2016-05-11 19:21:18 +08:00
    @peter999 正解, import force 只会看 __init__.py , 不会自动递归导入
    hlyang1992
        3
    hlyang1992  
    OP
       2016-05-11 19:37:55 +08:00 via Android
    已经明白,感谢各位
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