**urls.py文件**
from django.urls import path
from main import views
app_name = 'main'
urlpatterns = [
path('', views.home, name='home'),
path('submit/', views.submit, name='submit'),
path('error-log/', views.error_log, name='error_log'),
]
**views.py文件**
from django.shortcuts import render, get_object_or_404, redirect
import socket
from main.models import Paragraphs, Store_user_para
from main.forms import Store_user_para_forms
import random
global paragraph
def home(request):
''' to get the ip of user'''
hostname = socket.gethostname()
ip_address = socket.gethostbyname(hostname)
'''code to pass the pre defined paragraphs to the user '''
paragraphs = Paragraphs.objects.filter(active=True)
''' code to generate random paragraph '''
len_paragraphs = len(paragraphs)
number = random.randint(1, len_paragraphs-1)
paragraph = get_object_or_404(Paragraphs, id=number)
form = Store_user_para_forms()
return render(request, 'main/home.html', {'ip_address':ip_address, 'paragraph':paragraph, 'form':form})
def submit(request):
if request.method == "POST":
try:
global paragraph
form = Store_user_para_forms(request.POST)
data = form.save(commit=False)
data.paragraph_Id = request.POST.get('hidden_value', '')
data.user = request.user
data.save()
return redirect('main:submit')
except (ValueError):
form = Store_user_para_forms(request.POST)
print(form)
return render(request, 'main/submit.html', {'error':'Bad data passed in. Try again.'})
else:
data = Store_user_para.objects.filter()
return render(request, 'main/submit.html', {'data':data})
def error_log(request ):
return render(request, 'main/error_log.html')
**model.py文件**
from django.db import models
from django.contrib.auth.models import User
# Create your models here.
class Paragraphs(models.Model):
''' this class will store the pre defined paragraphs in backend '''
objects = models.Manager()
paragraph = models.TextField(blank=False, null=False)
created = models.DateTimeField(auto_now_add=True)
active = models.BooleanField(default=True)
class Meta:
verbose_name = 'Paragraph'
verbose_name_plural = 'Paragraphs'
def __str__(self):
return self.paragraph.split()[0]+ ' ' + self.paragraph.split()[1] + '...'
class Store_user_para(models.Model):
''' this class will store the users entered paragraph '''
objects = models.Manager()
paragraph_Id = models.ForeignKey('Paragraphs', on_delete=models.SET_NULL, null=True)
user_paragraph = models.TextField(null=False, blank=False)
user = models.ForeignKey(User, on_delete=models.CASCADE)
submitted = models.DateTimeField(auto_now_add=True)
Errors = models.IntegerField(null=True)
def __str__(self):
return self.user.username
**form.py文件**
from django import forms
from main.models import Store_user_para
class Store_user_para_forms(forms.ModelForm):
class Meta:
model = Store_user_para
''' field to display on form '''
fields = [ 'user_paragraph']
**Home.html文件，当我点击提交按钮时，我不仅想将用户编写的pargraph，还想将存储的段落id传递给store_user_para模型**
{% extends 'main/base.html' %}
{% load static %}
{% block title %} | Home | {% endblock %}
{% block content %}
<form action="{% url 'main:submit' %}" method="POST">
{% csrf_token %}
<div class="unselectable" style="margin: 50px; margin-bottom: 20px;">
<div style="border: .1em solid green;">
<div style="font-size:20px; padding: 20px;">
<!-- this will bring the paragraphs from backend -->
{{ paragraph.paragraph }}
<input type="hidden" name='hidden_value' value="{{ paragraph.paragraph }}" >
</div>
</div>
</div>
<div style="margin: 50px; margin-top:15px ;">
<label for="id_user_paragraph"> </label>
<textarea name="user_paragraph" cols="40" rows="12" required="" id="id_user_paragraph"
placeholder="Start writing here" style="width: 100%; height:300px; font-size: 20px; padding: 5px; border: solid green 1px; "></textarea>
<button id="submit" type="submit" style="display: none;">Complete</button>
</div>
</form>
<div class="text-center">
<p class="btn btn-info disabled">Your IP: {{ ip_address }}</p>
</div>
<div class="row">
<div class="col-12 col-md-6 col-lg-6 col-sm-6 ">
<form action="">
<div class="text-right">
<button type="button" style="-ms-text-underline-position: none;" class="btn btn-outline-success" onclick="$('#submit').click()">
submit and check
</button>
</div>
</form>
</div>
<div class="col-12 col-md-6 col-lg-6 col-sm-6 ">
<div class="text-left">
<a href="{% url 'main:error_log' %}" style="-ms-text-underline-position: none;" class="btn btn-outline-danger mr-3">
view error log
</a>
</div>
</div>
</div>
<div style="margin-left: 10px; margin-top: 10px;">
<h4>work and payment details </h4>
</div>
<div style="margin-top: 10px; margin-left: 10px; margin-bottom: 50px;">
<h6>Target : n Paragraphs</h6>
<h6>Time : 00:00 - 00:00 </h6>
</div>
{% endblock %}
**这是后端的输出**管理站点的图像**如何在此处提交预定义的pargraph**
您需要将id添加到forms.py 中的字段列表中
fields = ('id', 'user_paragraph')
然后你可以以与段落相同的方式返回