我尝试使用pandas python进行excel操作。在

每当我尝试使用pandas库时，它都会给我错误的提示：numpy没有安装。在

现在，当我尝试安装pip install numpy和pip安装pandas时，它说需求已经满足了。在

但是当我尝试做一个简单的numpy教程时，它在numpy的import语句中出错。在> import numpy as np

>Traceback (most recent call last):

> File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\numpy\core\__init__.py", line 16, in

> from . import multiarray

>ImportError: DLL load failed: The specified procedure could not be found.

>

>During handling of the above exception, another exception occurred:

>

>Traceback (most recent call last):

> File "", line 1, in

> File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\numpy\__init__.py", line 142, in

> from . import add_newdocs

> File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\numpy\add_newdocs.py", line 13, in

> from numpy.lib import add_newdoc

> File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\numpy\lib\__init__.py", line 8, in

> from .type_check import *

> File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\numpy\lib\type_check.py", line 11, in

> import numpy.core.numeric as _nx

> File "C:\Users\user\AppData\Local\Programs\Python\Python36\lib\site-packages\numpy\core\__init__.py", line 26, in

> raise ImportError(msg)

>ImportError:

>Importing the multiarray numpy extension module failed. Most

>likely you are trying to import a failed build of numpy.

>If you're working with a numpy git repo, try `git clean -xdf` (removes all

>files not under version control). Otherwise reinstall numpy.

>

>Original error was: ***DLL load failed: The specified procedure could not be found.***