Flask是python中轻量级web框架，Django是重量级的web框架。
安装flask
```dos
pip install flask
```
## 举个例子
```python
from flask import Flask
# 开发api
app = Flask(__name__)
# post请求
@app.route('/post', methods=['POST'])
def fun_post():
return 'post'
# get请求
@app.route('/get', methods=['GET'])
def fun_get():
return 'get'
if __name__ == '__main__':
app.run(host='0.0.0.0', port=5000, debug=True)
```
