Flask框架02（路由）

@app.route(‘/user/<username>‘)
def get_username(username):
    return ‘Username %s‘ % escape(username)

@app.route(‘/user/<int:user_id>‘)
def get_user_id(user_id):
    return ‘Userid %d‘ % user_id

@app.route(‘/path/<path:subpath>‘)
def show_subpath(subpath):
    return ‘Subpath %s‘ % escape(subpath)

@app.route(‘/projects/‘) 
def projects(): 
    return ‘The project page‘ 

@app.route(‘/about‘) 
def about(): 
    return ‘The about page‘

@app.route(‘/‘)
def index():
    return ‘Hello World‘

@app.route(‘/version‘)
def version():
    return  ‘Version: V0.1‘

@app.route(‘/user/<username>‘)
def get_username(username):
    return ‘Username %s‘ % escape(username)

with app.test_request_context(): 
　　print(url_for(‘index‘)) 
　　print(url_for(‘version‘)) 
　　print(url_for(‘get_username‘, username=‘John Doe‘))

@app.route(‘/key‘, methods=[‘GET‘, ‘POST‘])
def methods_test():
    if request.method == ‘POST‘:
        return ‘post key‘
    else:
        return ‘get key‘