Flask：Cookie

项目结构：

文件：app.py

# coding: utf8

from flask import Flask, render_template, request, make_response

app = Flask(__name__)


@app.route('/')
def hello_world():
    # return 'Hello World!'
    return render_template('index.html')

@app.route('/cookie-set',methods=['POST','GET'])
def setcookie():
    if request.method == 'POST':
        data_message = request.form['str_message']
        # return data_message # 没有问题，可以拿到前面表单提交的值

        response = make_response(render_template('response.html'))
        response.set_cookie('Message', data_message)

        return response

@app.route('/cookie-get',methods=['POST','GET'])
def getcookie():
    if request.method == 'POST':
        str_cookie_name = request.form['cookie_name']
        cookie_value = request.cookies.get(str_cookie_name)
        return render_template('cookie_result.html', name=str_cookie_name,value=cookie_value)

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

# coding: utf8

from flask import Flask, render_template, request, make_response

app = Flask(__name__)

@app.route('/')

def hello_world():

# return 'Hello World!'

return render_template('index.html')

@app.route('/cookie-set',methods=['POST','GET'])

def setcookie():

if request.method == 'POST':

data_message = request.form['str_message']

# return data_message # 没有问题，可以拿到前面表单提交的值

response = make_response(render_template('response.html'))

response.set_cookie('Message', data_message)

return response

@app.route('/cookie-get',methods=['POST','GET'])

def getcookie():

if request.method == 'POST':

str_cookie_name = request.form['cookie_name']

cookie_value = request.cookies.get(str_cookie_name)

return render_template('cookie_result.html', name=str_cookie_name,value=cookie_value)

if __name__ == '__main__':

app.run()

文件：index.html

< !DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8"/>
    <title>Hello world</title>
</head>
<body>
    <h2>Hello world.</h2>
    <form action="/cookie-set" method="post">
        <p>信息：<input type="text" name="str_message" /></p>
        <p><input type="submit" value="submit" /></p>
    </form>
</body>
</html>

< !DOCTYPE html>

<head>

<title>Hello world</title>

</head>

<body>

<h2>Hello world.</h2>

</form>

</body>

</html>

文件：response.html

< !DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8"/>
    <title>Response Page</title>
</head>
<body>
<table border="1">
{% for key,value in request.cookies.items() %}
    <tr>
        <th>{{ key }}</th>
        <td>{{ value }}</td>
    </tr>
{% endfor %}
</table>
<form action="/cookie-get" method="post">
    <input type="text" name="cookie_name" />
    <input type="submit" value="Get Target Cookie" />
</form>
</body>
</html>

< !DOCTYPE html>

<head>

<title>Response Page</title>

</head>

<body>

{% for key,value in request.cookies.items() %}

<tr>

<td>{{ value }}</td>

</tr>

{% endfor %}

</table>

</form>

</body>

</html>

文件：cookie_result.html

< !doctype html>
<table border="1">
    <tr>
        <th>Cookie名称</th>
        <td>Cookie数值</td>
    </tr>
    <tr>
        <th>{{ name }}</th>
        <td>{{ value }}</td>
    </tr>
</table>