1)Flask
@app.route('/post', methods = ['GET','POST'])
def post():
method=request.method
key1=request.form["post-key1"]
key2=request.form["post-key2"]
return "%s<br>%s<br>%s<br>%s<br>%s"%(method, key1, key2,)
2)requests
import requests
payload = {'key1': 'value1', 'key2': 'value2'}
r = requests.post("https://httpbin.org/post", data=payload)
print(r.text)
3)前端
<form method="POST" action="/post">
<input type="text" name="post-key1" value="post-value1">
<input type="text" name="post-key2" value="post-value2">
<input type="submit" value="Submit">
</form>