No route matches [GET] "/hello_world"

本文提供了一步式指南,教你如何在route.rb文件中取消注释,实现控制器的路由匹配功能。通过调整匹配规则,你可以轻松定制和优化你的应用路由结构。

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进入route.rb中把这行注释去掉就可以了。
# match ':controller(/:action(/:id(.:format)))'
(venv) PS D:\PycharmProjects\JobProject> pip install flask ERROR: Exception: Traceback (most recent call last): File "D:\PycharmProjects\JobProject\venv\Lib\site-packages\pip\_internal\cli\base_command.py", line 160, in exc_logging_wrapper status = run_func(*args) ^^^^^^^^^^^^^^^ File "D:\PycharmProjects\JobProject\venv\Lib\site-packages\pip\_internal\cli\req_command.py", line 247, in wrapper return func(self, options, args) ^^^^^^^^^^^^^^^^^^^^^^^^^ File "D:\PycharmProjects\JobProject\venv\Lib\site-packages\pip\_internal\commands\install.py", line 326, in run session = self.get_default_session(options) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "D:\PycharmProjects\JobProject\venv\Lib\site-packages\pip\_internal\cli\req_command.py", line 98, in get_default_session self._session = self.enter_context(self._build_session(options)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "D:\PycharmProjects\JobProject\venv\Lib\site-packages\pip\_internal\cli\req_command.py", line 125, in _build_session session = PipSession( ^^^^^^^^^^^ File "D:\PycharmProjects\JobProject\venv\Lib\site-packages\pip\_internal\network\session.py", line 343, in __init__ self.headers["User-Agent"] = user_agent() ^^^^^^^^^^^^ File "D:\PycharmProjects\JobProject\venv\Lib\site-packages\pip\_internal\network\session.py", line 175, in user_agent setuptools_dist = get_default_environment().get_distribution("setuptools") ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "D:\PycharmProjects\JobProject\venv\Lib\site-packages\pip\_internal\metadata\importlib\_envs.py", line 188, in get_distribution return next(matches, None) ^^^^^^^^^^^^^^^^^^^ File "D:\PycharmProjects\JobProject\venv\Lib\site-packages\pip\_internal\metadata\importlib\_envs.py", line 185, in <genexpr> for distribution in self.iter_all_distrib
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