pip command ModuleName
- command：用于指定要执行的命令(
install：安装，uninstall：卸载) - ModuleName：需要安装的模块名称
示例：
安装第三方模块numpy模块（用于科学计算）：
C:\Users> pip install numpy
Collecting numpy
Downloading https://files.pythonhosted.org/packages/96/d6/53a59338c613e0c3ec7e3052bbf068a5457a005a5f7ad4ae005167c3597e/numpy-1.15.2-cp37-none-win_amd64.whl (13.5MB)
100% |████████████████████████████████| 13.5MB 1.3MB/s
Installing collected packages: numpy
Successfully installed numpy-1.15.2
卸载numpy模块：
C:\Users> pip uninstall numpy
Uninstalling numpy-1.15.2:
Would remove:
d:\python\lib\site-packages\numpy-1.15.2.dist-info\*
d:\python\lib\site-packages\numpy\*
d:\python\scripts\f2py.py
Proceed (y/n)? y
Successfully uninstalled numpy-1.15.2
多学两招
- 如果想要查看本机Python中都有哪些模块（包括标准模块和第三方模块），可以在IDE中输入以下命令
print(help('modules'))
执行结果：
Please wait a moment while I gather a list of all available modules...
Demo _thread getpass secrets
Demo2 _threading_local gettext select
Demo3 _tkinter glob selectors
Demo4 _tracemalloc gzip setuptools
__future__ _warnings hashlib shelve
_abc _weakref heapq shlex
_ast _weakrefset hmac shutil
_asyncio _winapi html signal
_bisect abc http site
_blake2 aifc idlelib sitecustomize
_bootlocale antigravity imaplib smtpd
_bz2 argparse imghdr smtplib
_codecs array imp sndhdr
_codecs_cn ast importlib socket
_codecs_hk asynchat inspect socketserver
_codecs_iso2022 asyncio io sqlite3
_codecs_jp asyncore ipaddress sre_compile
_codecs_kr atexit itertools sre_constants
_codecs_tw audioop json sre_parse
_collections backend_interagg keyword ssl
_collections_abc base64 lib2to3 stat
_compat_pickle bdb linecache statistics
_compression binascii locale string
_contextvars binhex logging stringprep
_csv bisect lzma struct
_ctypes builtins macpath subprocess
_ctypes_test bz2 mailbox sunau
_datetime cProfile mailcap symbol
_decimal calendar marshal symtable
_distutils_findvs cgi math sys
_dummy_thread cgitb mimetypes sysconfig
_elementtree chunk mmap tabnanny
_functools cmath modulefinder tarfile
_hashlib cmd msilib telnetlib
_heapq code msvcrt tempfile
_imp codecs multiprocessing test
_io codeop netrc textwrap
_json collections nntplib this
_locale colorsys nt threading
_lsprof compileall ntpath time
_lzma concurrent nturl2path timeit
_markupbase configparser numbers tkinter
_md5 contextlib opcode token
_msi contextvars operator tokenize
_multibytecodec copy optparse trace
_multiprocessing copyreg os traceback
_opcode crypt parser tracemalloc
_operator csv pathlib tty
_osx_support ctypes pdb turtle
_overlapped curses pickle turtledemo
_pickle dataclasses pickletools types
_py_abc datetime pip typing
_pydecimal dbm pipes unicodedata
_pyio decimal pkg_resources unittest
_queue difflib pkgutil urllib
_random dis platform uu
_sha1 distutils plistlib uuid
_sha256 doctest poplib venv
_sha3 dummy_threading posixpath warnings
_sha512 easy_install pprint wave
_signal email profile weakref
_sitebuiltins encodings pstats webbrowser
_socket ensurepip pty winreg
_sqlite3 enum py_compile winsound
_sre errno pyclbr wsgiref
_ssl faulthandler pydoc xdrlib
_stat filecmp pydoc_data xml
_string fileinput pyexpat xmlrpc
_strptime fnmatch queue xxsubtype
_struct formatter quopri zipapp
_symtable fractions random zipfile
_testbuffer ftplib re zipimport
_testcapi functools reprlib zlib
_testconsole gc rlcompleter
_testimportmultiple genericpath runpy
_testmultiphase getopt sched
Enter any module name to get more help. Or, type "modules spam" to search
for modules whose name or summary contain the string "spam".
None
随着时间的过度，结果可能不一样(官方可能进行，增、删、改)
- 查看本机已安装的第三方模块，可以在命令窗口（cmd）中输入
pip list命令将会展示已安装的所有模块：
C:\Users> pip list
Package Version
---------- -------
pip 18.0
setuptools 39.0.1