if __name__ == '__main__': app.run(host="0.0.0.0", port=5000)
时间: 2023-11-21 20:06:09 浏览: 157
python中 if __name__ == “__main__”的作用
这段代码是一个使用Flask框架创建的Web应用程序。当if __name__ == '__main__':条件满足时,即直接运行这个脚本时,会执行app.run()方法来启动应用程序。在这个具体的例子中,应用程序会监听host参数指定的IP地址(0.0.0.0代表接受来自任意IP地址的请求)和port参数指定的端口号(5000)。所以,if __name__ == '__main__': app.run(host="0.0.0.0", port=5000)的作用是在本地运行这个应用程序并监听5000端口,以便通过访问http://localhost:5000/来访问应用程序的首页。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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