如何在Flask中为多个功能使用相同的路由

Question

我目前正在使用python3和Flask; 我使用相同的路由定义了两个函数。-如何index2打印。

from flask import Flask, request, make_response

app = Flask(__name__)

@app.route('/')
def index():
    if request.authorization and request.authorization.username == 'user1' and request.authorization.password == 'pass1':
        return '<h1>You are logged in</h1>'
    return make_response('Could not verify!', 401, {'WWW-Authenticate' : 'Basic realm="Login Required"'})

@app.route('/')
def index2():
    print('In Index 2')

if __name__ == '__main__':
    app.run(debug=True)

Answer 1

您有多种选择；其中之一是index2从函数内部调用index函数：

from flask import Flask, request, make_response

app = Flask(__name__)

@app.route('/')
def index():
    if request.authorization.username == 'user1' and request.authorization.password == 'pass1':
        index2() # you can return index2() if that's the logged in page.
        return '<h1>You are logged in</h1>'

    return make_response('Could not verify!', 401, {'WWW-Authenticate' : 'Basic realm="Login Required"'})


def index2():
    print('In Index2')

if __name__ == '__main__':
    app.run(debug=True)

第二个选项是根据被调用的 http 方法来区分这两个函数：

from flask import Flask, request, make_response

app = Flask(__name__)

@app.route('/')
def index():
    if request.authorization.username == 'user1' and request.authorization.password == 'pass1':
        return '<h1>You are logged in</h1>'

    return make_response('Could not verify!', 401, {'WWW-Authenticate' : 'Basic realm="Login Required"'})

@app.route('/', methods=['POST'])
def save():
    print('Save operations here')

if __name__ == '__main__':
    app.run(debug=True)

第三个选项是使用不同的参数：

from flask import Flask, request, make_response

app = Flask(__name__)

@app.route('/')
def index():
    if request.authorization.username == 'user1' and request.authorization.password == 'pass1':
        return '<h1>You are logged in</h1>'

    return make_response('Could not verify!', 401, {'WWW-Authenticate' : 'Basic realm="Login Required"'})

@app.route('/<string:page_name>')
def index2(page_name):
    print(f"{page_name}")

if __name__ == '__main__':
    app.run(debug=True)