所以我使用 Django 框架将控制台输出显示到 HTML。要执行命令，我使用 check_output的 subprocess Python 中的模块。它接收来自 HTML 输入表单的输入。问题是我在 HTML 页面上只看到“None”，这是 output 的默认值在 views文件。
下面是 View 文件和 HTML 文件的代码。我是这方面的新手，所以我很感激你的帮助。
View .py
from django.shortcuts import render
from django.shortcuts import redirect
from .forms import command_form
import subprocess as sp
# Create your views here.
def welcome_page(request):
output=""
if request.method == "POST":
myform = command_form(request.POST)
if (myform.is_valid()):
execute_command = myform.cleaned_data['cmd_string']
output = sp.check_output(execute_command, shell=True)
else:
myform = command_form()
return render(request, 'ovs/welcome.html', {'output': output})
else:
return render(request, 'ovs/welcome.html', {})
欢迎.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>welcome to ovs GUI</title>
</head>
<body>
<h3>Choose the option:</h3>
<form method="POST">{% csrf_token %}
Enter the command: <input type="text" name="cmd_string" id="cmd_string"/>
<input type="submit" value="Run"/>
</form>
<h3>{{ output }}</h3>
</body>
</html>
表格
from django import forms
class command_form(forms.Form):
command = forms.CharField(max_length=200)
最佳答案
您没有将表单域正确地呈现为 HTML。您创建了 command_form形式，你永远不会利用它。但是，您应该为 python class 使用驼峰式名称。 es，像这样 CommandForm .
在您的 HTML 中，编写以下代码:
<form method="POST">{% csrf_token %}
Enter the command: {{ myform }}
<input type="submit" name="submit_cmd" value="Run" />
</form>
{% if output %}<h3>{{ output }}</h3>{% endif %}
{% if exit_code %}<h3>Your command returned an error: {{ error_msg }}</h3>{% endif %}
{{ my_form }}将自动扩展为 <input type="text" ...>现在，写下你的
welcome_page像这样查看:def welcome_page(request):
output = ""
# Initialize the form. At this point you have an unbound/invalid form
myform = command_form() # better write it as CommandForm
if request.method == "POST":
myform = command_form(request.POST)
if myform.is_valid():
# execute_command variable, should now contain the command typed by the user in the text box
execute_command = myform.cleaned_data['command']
try:
# If the return code is non-zero, CalledProcessError will be raised
output = sp.check_output(execute_command, shell=True)
except sp.CalledProcessError:
exit_code, error_msg = output.returncode, output.output
else:
# Do something when the form is not valid. Maybe add a message or something, or not implement else clause at all.
return render(request, 'ovs/welcome.html', locals())
警告!根据 docs说:
Using
shell=Truecan be a security hazard.
关于python - 如何在 Django 中将控制台输出显示为 HTML？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/42992963/