有一些問題，我正在嘗試通過更改并單擊更新按鈕來更新客戶端上的產品-我的頁面正在重繪 而沒有更新資訊，因此產品具有與以前相同的資料。但是在日志中，GET 請求的狀態碼是 200，并且顯示了資料庫中更新的物件。當我嘗試通過管理 Django 儀表板進行更新時，一切正常，問題僅出在 Web 應用程式的客戶端。會出現什么問題？先感謝您！
模型.py
from django.db import models
from django.contrib.auth.models import User
# Create your models here.
CATEGORY = (
('Stationary', 'Stationary'),
('Electronics', 'Electronics'),
('Food', 'Food'),
)
class Product(models.Model):
name = models.CharField(max_length=100, null=True)
quantity = models.PositiveIntegerField(null=True)
category = models.CharField(max_length=50, choices=CATEGORY, null=True)
def __str__(self):
return f'{self.name}'
class Order(models.Model):
name = models.ForeignKey(Product, on_delete=models.CASCADE, null=True)
customer = models.ForeignKey(User, on_delete=models.CASCADE, null=True)
order_quantity = models.PositiveIntegerField(null=True)
def __str__(self):
return f'{self.customer}-{self.name}'
視圖.py
@login_required(login_url='user-login')
@allowed_users(allowed_roles=['Admin'])
def product_edit(request, pk):
item = Product.objects.get(id=pk)
if request.method == 'POST':
form = ProductForm(request.POST, instance=item)
if form.is_valid():
form.save()
return redirect('dashboard-products')
else:
form = ProductForm(instance=item)
context = {
'form': form,
}
return render(request, 'dashboard/products_edit.html', context)
表格.py
class ProductForm(forms.ModelForm):
class Meta:
model = Product
fields = '__all__'
html模板：
{% extends 'partials/base.html' %}
{% block title %}Products Edit Page{% endblock %}
{% load crispy_forms_tags %}
{% block content %}
<div class="row my-4">
<div class="col-md-6 offset-md-3 p-3 bg-white">
<h3>Edit Item</h3>
<hr>
<form>
{% csrf_token %}
{{ form|crispy }}
<input class="btn btn-info" type="submit" value="Confirm">
</form>
</div>
</div>
{% endblock %}
uj5u.com熱心網友回復：
您忘記傳遞POST您正在使用的方法GET。
{% extends 'partials/base.html' %}
{% block title %}Products Edit Page{% endblock %}
{% load crispy_forms_tags %}
{% block content %}
<div class="row my-4">
<div class="col-md-6 offset-md-3 p-3 bg-white">
<h3>Edit Item</h3>
<hr>
<form method="post">
{% csrf_token %}
{{ form|crispy }}
<input class="btn btn-info" type="submit" value="Confirm">
</form>
</div>
</div>
{% endblock %}
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