基于flask的hello world代码
时间: 2023-07-25 20:05:07 浏览: 43
下面是一个基于 Flask 的 Hello World 代码:
```python
from flask import Flask
app = Flask(__name__)
@app.route('/')
def hello_world():
return 'Hello, World!'
if __name__ == '__main__':
app.run()
```
这个代码定义了一个名为 `app` 的 Flask 应用程序,并且创建了一个 `/` 路由,当访问根路由时返回 `Hello, World!`。 当你运行这个代码时,Flask 会在本地服务器上运行你的应用程序,你可以通过访问 http://localhost:5000/ 来查看结果。
相关问题
编写flask hello world示例
Sure thing! Here's a simple example of a Flask "Hello World" application:
```python
from flask import Flask
app = Flask(__name__)
@app.route("/")
def hello():
return "Hello World!"
if __name__ == "__main__":
app.run()
```
This code creates a new Flask application and defines a single route, the root route (`"/"`), which returns the string "Hello World!". To run the application, simply save the code to a file (e.g. `app.py`) and run it with the command `python app.py`. When you visit `http://localhost:5000/` in your web browser, you should see the message "Hello World!".
flask实现hello world
可以使用以下代码实现 Flask 的 Hello World:
```python
from flask import Flask
app = Flask(__name__)
@app.route('/')
def hello():
return 'Hello, World!'
if __name__ == '__main__':
app.run()
```