当用户访问我在烧瓶应用程序上运行的URL时,我希望Web服务能够处理问号后指定的参数:
http://10.1.1.1:5000/login?username=alex&password=pw1
#I just want to be able to manipulate the parameters
@app.route('/login', methods=['GET', 'POST'])
def login():
username = request.form['username']
print(username)
password = request.form['password']
print(password)
使用request.args
获取查询字符串的已解析内容:
from flask import request
@app.route(...)
def login():
username = request.args.get('username')
password = request.args.get('password')
URL参数在request.args
中可用,MultiDict是一个get
,具有default
方法,默认值(type
)和类型(from flask import request
@app.route('/my-route')
def my_route():
page = request.args.get('page', default = 1, type = int)
filter = request.args.get('filter', default = '*', type = str)
)的可选参数 - 可调用,将输入值转换为所需格式。
/my-route?page=34 -> page: 34 filter: '*'
/my-route -> page: 1 filter: '*'
/my-route?page=10&filter=test -> page: 10 filter: 'test'
/my-route?page=10&filter=10 -> page: 10 filter: '10'
/my-route?page=*&filter=* -> page: 1 filter: '*'
上面代码的示例:
@app.route('/<name>')
def my_view_func(name):
return name
您还可以在视图定义的URL上使用括号<>,此输入将进入您的视图函数参数
from flask import request
#url
http://10.1.1.1:5000/login/alex
from flask import request
@app.route('/login/<username>', methods=['GET'])
def login(username):
print(username)
如果您在URL中传递了一个参数,则可以按如下方式执行此操作
#url
http://10.1.1.1:5000/login?username=alex&password=pw1
from flask import request
@app.route('/login', methods=['GET'])
def login():
username = request.args.get('username')
print(username)
password= request.args.get('password')
print(password)
如果您有多个参数:
#url
http://10.1.1.1:5000/login
您尝试执行的操作适用于POST请求,其中参数作为表单参数传递但不显示在URL中。如果您实际上正在开发登录API,建议您使用POST请求而不是GET并将数据公开给用户。
如果是邮寄请求,它将按如下方式工作:
<form action="http://10.1.1.1:5000/login">
Username : <input type="text" name="username"><br>
Password : <input type="password" name="password"><br>
<input type="submit" value="submit">
</form>
HTML片段:
from flask import request
@app.route('/login', methods=['POST'])
def login():
username = request.form.get('username')
print(username)
password= request.form.get('password')
print(password)
路线:
http://0.0.0.0:5000/user/name/
网址:
@app.route('/user/< string:name >/', methods=['GET', 'POST'])
def user_view(name):
print(name)
码:
<form method="POST">
<input type="text" name="user_name"></input>
<input type="text" name="password"></input>
</form>
这很简单。让我把这个过程分成两个简单的步骤。
from flask import request
@app.route('/my-route', methods=['POST']) #you should always parse username and
# password in a POST method not GET
def my_route():
username = request.form.get("user_name")
print(username)
password = request.form.get("password")
print(password)
#now manipulate the username and password variables as you wish
#Tip: define another method instead of methods=['GET','POST'], if you want to
# render the same template with a GET request too