Question

我理解本书中的例子＆＃34; Flask Web Development＆＃34;然而，我正在尝试做一些有点奇怪的事情。我希望能够点击＆＃39; part＆＃39;像这样的图像 - ＆gt; http://www.w3schools.com/tags/tag_area.asp

但是我希望它打开一个SSH窗口到我网络中的特定节点我通过一个单独的页面按照示例使用它。如果我打开localhost：5000 / leaf1这是完美的，但是我想从链接传递一个cgi-bin POST命令，以便用户仍然在同一页面上（它不会转到另一个页面......）。我有点卡住了。

这是开始烧瓶的python脚本：

import subprocess
import logging
from logging.handlers import RotatingFileHandler
from flask import Flask, render_template, request, url_for
from flask.ext.script import Manager
from flask.ext.bootstrap import Bootstrap
from flask.ext.moment import Moment
from flask.ext.wtf import Form
from wtforms import StringField, SubmitField, HiddenField
from wtforms.validators import Required

app = Flask(__name__)
app.config['SECRET_KEY'] = 'hard to guess string'

manager = Manager(app)
bootstrap = Bootstrap(app)
moment = Moment(app)


class SwitchForm(Form):
    name = HiddenField('Switch being accessed', validators=[Required()])

@app.route("/leaf1")
def leaf1():
    cmd = ['DISPLAY=:03.0 xterm -e "ssh leaf1"']
    p = subprocess.Popen(cmd, stdout = subprocess.PIPE,
                            stderr=subprocess.PIPE,
                            stdin=subprocess.PIPE, shell=True)
    out,err = p.communicate()
    return out

@app.route('/', methods=['GET', 'POST'])
def index():
    leaf=None
    if request.method == 'POST':
        switch=request.form['leaf']
        if switch == '1':
            return ''' hello guy '''

    return render_template('index.html')


if __name__ == '__main__':
    handler = RotatingFileHandler('log.log', maxBytes=10000, backupCount=1)
    handler.setLevel(logging.INFO)
    app.logger.addHandler(handler)
    manager.run()

这是index.html模板文件

{% extends "base.html" %}
{% import "bootstrap/wtf.html" as wtf %}

{% block title %}Cumulus Workbench{% endblock %}

{% block page_content %}

<img src="{{ url_for('static', filename='wbench.png') }}" usemap="#switchmap">
<map name="switchmap">
    <form method="post" action="index.html" id="form1">
    <input type="hidden" name="leaf" value="1" />
    <area shape="rect" coords="69,226,181,257" href="index.html" onclick="document.getElementById('form1').submit(); return false;">
    </form>
    <area shape="rect" coords="421,226,534,257" href="index.html">
</map>

{% endblock %}

使用POST方法与烧瓶相同的页面和使用POST的区域链接

0 个答案: