为什么我的添加功能不起作用?
from flask import Flask
from flask import request
app = Flask(__name__)
@app.route('/')
@app.route('/<name>')
def index(name="Mona"):
#name= request.args.get('name', name)
return "Hello from {}".format(name)
@app.route('/add/num1/num2')
def add(num1, num2):
return '{} + {} = {}'.format(num1, num2, num1 + num2)
app.run(debug=True, port=8002, host='0.0.0.0')
浏览到
0.0.0.0:8002/add/1/4
时收到此错误Not Found
The requested URL was not found on the server. If you entered the URL manually please check your spelling and try again.
最佳答案
将add方法更改为以下方法,现在可以使用:
@app.route('/add/<int:num1>/<int:num2>')
def add(num1, num2):
return '{} + {} = {}'.format(num1, num2, num1 + num2)
更新:进一步说明,如果您不想在输入浮点数时收到404错误,则代码如下:
@app.route('/add/<int:num1>/<int:num2>')
@app.route('/add/<int:num1>/<float:num2>')
@app.route('/add/<float:num1>/<int:num2>')
@app.route('/add/<float:num1>/<float:num2>')
def add(num1, num2):
return '{} + {} = {}'.format(num1, num2, num1 + num2)
关于python - Flask应用程序:在服务器上找不到请求的URL,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/37719685/