这是对我正在尝试做的事情的一个简短描述。我想做一个用户界面(web/HTML),通过它我可以向路由器发送命令,并在网页/HTML上显示结果。
下面是我使用的代码:
Views.py
from django.shortcuts import render
from first_app.forms import CmdForm
from django.http import HttpResponse
def index(request):
my_dict = {'insert_me': ""}
return render(request,'first_app/index.html',context=my_dict)
def form_name_view(request):
if request.method == "POST":
form = CmdForm(request.POST)
if form.is_valid():
from netmiko import ConnectHandler
devices = {
'device_type':'cisco_ios',
'ip':'192.168.50.145',
'username':'me',
'password':'12345',
'secret':'12345',
'port':'22'
}
cmd = request.POST.get('command', '')
netconnect = ConnectHandler(**devices)
#print("connection established with", devices['ip'])
output = netconnect.send_command(cmd)
return render(request,'first_app/forms.html', {'form': form,
'output':output})
else:
form = CmdForm()
return render(request,'first_app/forms.html', {'form': form})
forms.py
from django import forms
class CmdForm(forms.Form):
command = forms.CharField(label='Command to execute')
urls.py
from django.contrib import admin
from django.urls import path
from django.conf.urls import include
from first_app import views
urlpatterns = [
path('Automation_page/', views.form_name_view,name='IP form'),
path('admin/', admin.site.urls),
path('', views.index,name='first'),
path('first_app/',include('first_app.urls')),
]
forms.html
<!DOCTYPE html>
{% load staticfiles %}
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title>FORMS</title>
</head>
<body>
<h1> IP address form </h1>
<p>Run command:</p>
<form method="POST"> {% csrf_token %}
{{ form }}
<input type="submit" value="Run command!" />
</form><br>
{% if request.POST %}
<p>Command output:</p>
<pre>{{ output }}</pre>
{% endif %}
</body>
</html>
访问Automation_page/时出现错误
/Automation_page/视图first_app.views.form_name_view中的
ValueError未返回HttpResponse对象。相反,它返回None。请求方法: GET请求URL:http://127.0.0.1:8000/Automation_page/ Django版本: 2.2.3异常类型: ValueError异常值:
视图first_app.views.form_name_view未返回HttpResponse对象。相反,它返回None。异常位置:_get_response中的K:\Work\DevNet\ENV1\lib\site-packages\django\core\handlers\base.py,第126行Python可执行文件: K:\Work\DevNet\ENV1\Scripts\python.exe Python版本:3.7.3Python路径:
'K:\Work\DevNet\first_project','K:\Work\DevNet\ENV1\Scripts\python37.zip',‘K:\Work\DevNet\ENV1\DLL’,'K:\Work\DevNet\ENV1\lib','K:\Work\DevNet\ENV1\Scripts','c:\users\karti\appdata\local\programs\python\python37-32\Lib','c:\users\karti\appdata\local\programs\python\python37-32\DLLs','K:\Work\DevNet\ENV1','K:\Work\DevNet\ENV1\lib\site-packages‘
在这方面需要帮助。感谢愿意提供帮助的人
https://stackoverflow.com/questions/56958357
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