python web application example

1. Flask 示例

from flask import Flask, request, jsonify

app = Flask(name)

@app.route('/greet', methods=['GET'])
def greet():
name = request.args.get('name', 'World')
return jsonify({'message': f'Hello, {name}!'})

if name == 'main':
app.run(debug=True)

2. Django 示例

from django.http import HttpResponse
from django.views.decorators.http import require_http_methods

@require_http_methods(["GET"])
def greet(request):
name = request.GET.get('name', 'World')
return HttpResponse(f'Hello, {name}!')

3. FastAPI 示例

from fastapi import FastAPI, Query

app = FastAPI()

@app.get("/greet")
def greet(name: str = Query(..., default="World")):
return {"message": f"Hello, {name}!"}