pip install 出现Exception

Exception:
Traceback (most recent call last):
  File "D:\software\python35_64\lib\site-packages\pip-9.0.1-py3.5.egg\pip\basecommand.py", line 215, in main
    status = self.run(options, args)
  File "D:\software\python35_64\lib\site-packages\pip-9.0.1-py3.5.egg\pip\commands\install.py", line 342, in run
    prefix=options.prefix_path,
  File "D:\software\python35_64\lib\site-packages\pip-9.0.1-py3.5.egg\pip\req\req_set.py", line 784, in install
    **kwargs
  File "D:\software\python35_64\lib\site-packages\pip-9.0.1-py3.5.egg\pip\req\req_install.py", line 851, in install
    self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
  File "D:\software\python35_64\lib\site-packages\pip-9.0.1-py3.5.egg\pip\req\req_install.py", line 1064, in move_wheel_files
    isolated=self.isolated,
  File "D:\software\python35_64\lib\site-packages\pip-9.0.1-py3.5.egg\pip\wheel.py", line 345, in move_wheel_files
    clobber(source, lib_dir, True)
  File "D:\software\python35_64\lib\site-packages\pip-9.0.1-py3.5.egg\pip\wheel.py", line 323, in clobber
    shutil.copyfile(srcfile, destfile)
  File "D:\software\python35_64\lib\shutil.py", line 115, in copyfile
    with open(dst, 'wb') as fdst:

PermissionError: [Errno 13] Permission denied: 'D:\\software\\python35_64\\Lib\\site-packages\\pandas\\util\\_move.cp35-win_amd64.pyd'

解决方案：

首先确保python.exe的名字没有被修改（之所以可能被修改是因为有些朋友希望实现cmd中python版本的切换，从而修改了python.exe的名字）

然后，相关编辑器，比如我用的是pycharm ，关掉pycharm，原因是编译环境里面也有包管理器，

用编译环境pycharm安装python的包时失败，导致pip被占用，没有释放。

所以关掉pycharm，然后再次在cmd中输入pip install xxxx即可