Python：没有名为selenium的模块

如前所述，您正在执行

using Python 3.6

• 打开

  Command Line Interface

  （

  CLI

  ）并发出命令

  python

  以检查Python是否已正确安装：

  C:Usersusername>python

  Python 3.6.1 (v3.6.1:69c0db5, Jan 16 2018, 17:54:52) [MSC v.1900 32 bit (Intel)]
  on win32
  Type “help”, “copyright”, “credits” or “license” for more information.
  

• 确保

  pip

  工作正常：

        C:Usersusername>pip    Usage:      pip <command> [options]    Commands:      install          Install packages.      download         Download packages.      uninstall        Uninstall packages.      freezeOutput installed packages in requirements format.      list  List installed packages.      show  Show information about installed packages.      check Verify installed packages have compatible dependencies.      searchSearch PyPI for packages.      wheel Build wheels from your requirements.      hash  Compute hashes of package archives.      completion       A helper command used for command completion.      help  Show help for commands.    General Options:      -h, --help       Show help.      --isolated       Run pip in an isolated mode, ignoring environment variables and user configuration.      -v, --verbose    Give more output. Option is additive, and can be used up to 3 times.      -V, --version    Show version and exit.      -q, --quiet      Give less output. Option is additive, and can be used up to 3 times (corresponding to WARNING, ERROR, and CRITICAL logging levels).      --log <path>     Path to a verbose appending log.      --proxy <proxy>  Specify a proxy in the form [user:passwd@]proxy.server:port.      --retries <retries>         Maximum number of retries each connection should attempt (default 5 times).      --timeout <sec>  Set the socket timeout (default 15 seconds).      --exists-action <action>    Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.      --trusted-host <hostname>   Mark this host as trusted, even though it does not have valid or any HTTPS.      --cert <path>    Path to alternate CA bundle.      --client-cert <path>        Path to SSL client certificate, a single file containing the private key and the certificate in PEM format.      --cache-dir <dir>Store the cache data in <dir>.      --no-cache-dir   Disable the cache.      --disable-pip-version-check Don't periodically check PyPI to determine whether a new version of pip is available for    download. Implied with --no-index.

• selenium

  通过

  pip

  以下方式安装最新版本：

        C:Usersusername>pip install -U selenium    Collecting selenium      Downloading selenium-3.8.1-py2.py3-none-any.whl (931kB)        100% |¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦| 942kB 322kB/s    Installing collected packages: selenium    Successfully installed selenium-3.8.1

• 确认

  Selenium

  已安装：

        C:Usersusername>pip freeze    selenium==3.8.1 

• 打开

  IDE

  （例如

  Eclipse

  ，

  PyCharm

  ）和如下编写一个简单的程序：

        from selenium import webdriver    driver = webdriver.Firefox(executable_path="C:\path\to\geckodriver.exe")    driver.get('https://stackoverflow.com')

• 执行

  Firefox Quantum

  将启动浏览器并对其

  url

  进行访问的程序。

Python下载位置（Windows）：

可以从以下位置下载Python（适用于Windows）：

https://www.python.org/downloads/