python - 从 Django 中的基于类的视图中传递参数
问题描述
我有一个基于类的更新视图“ManifestUpdate”，它是一个模式弹出窗口，并从另一个基于函数的视图“Manifest”中启动。我需要能够从我的 ManifestUpdate 视图中获取 field = 'reference' 并将其作为 'Reference_Nos' 提供给“Manifest”视图。如您所见，ManifestUpdate 应该将用户定向到 Manifest，但它没有，只是没有任何反应（如果我将其更改为定向到任何其他视图，它会起作用）。我相信这是因为我没有传递那个参数。谁能告诉我如何在 ManifestUpdate 中捕获该“引用”参数并将其从基于类的视图传递给 Manifest？
视图.py
class ManifestUpdate(BSModalUpdateView):
model = Manifests
template_name = 'manifest_update.html'
form_class = UpdateManifestForm
success_message = 'Success: Manifest was updated.'
success_url = reverse_lazy('manifest')
def manifest(request):
form = CreateManifestForm(request.POST)
if request.method == "POST":
if form.is_valid():
form.save()
reference_id = form.cleaned_data.get('reference')
data = Manifests.objects.all().filter(reference__reference=reference_id)
form = CreateManifestForm(initial={
'reference': Orders.objects.get(reference=reference_id),
})
total_cases = Manifests.objects.filter(reference__reference=reference_id).aggregate(Sum('cases'))
context = {
'reference_id': reference_id,
'form': form,
'data': data,
'total_cases': total_cases['cases__sum'],
}
return render(request, 'manifest_readonly.html', context)
else:
reference_id = request.POST.get('Reference_Nos')
data = Manifests.objects.all().filter(reference__reference=reference_id)
form = CreateManifestForm(initial={
'reference': Orders.objects.get(reference=reference_id),
})
total_cases = Manifests.objects.filter(reference__reference=reference_id).aggregate(Sum('cases'))
context = {
'reference_id': reference_id,
'form': form,
'data': data,
'total_cases': total_cases['cases__sum'],
}
return render(request, 'manifest_readonly.html', context)
表格.py
class UpdateManifestForm(BSModalForm):
class Meta:
model = Manifests
fields = ('reference', 'cases', 'product_name', 'count', 'CNF', 'FOB')
update_manifest.html
#showing the modal window body
<form method="post" action="">
{% csrf_token %}
<div class="modal-header">
<h3 class="modal-title">Update Manifest</h3>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
<div class="{% if form.non_field_errors %}invalid{% endif %} mb-2">
{% for error in form.non_field_errors %}
{{ error }}
{% endfor %}
</div>
<div class="container">
<form id="create_mani_form" method="POST">
<br>
{% csrf_token %}
<div class="column">
<label for="form.reference" class="formlabels">Reference ID: </label><br>
<!-- <input type="text" value="{{ reference_id }}">-->
{{ form.reference }}
<br>
<br>
<label for="form.count" class="formlabels">CNF: </label>
<br>
{{ form.CNF }}
<br>
</div>
<div class="description">
<div class="column">
<label for="form.product_name" class="formlabels">Description: </label>
<br>
{{ form.product_name}}
<br><br>
<label for="form.count" class="formlabels">FOB: </label>
<br>
{{ form.FOB }}
<br>
</div>
</div>
<div class="column">
<label for="form.cases" class="formlabels">Cases: </label>
<br>
{{ form.cases }}
<br>
</div>
<div class="column">
<label for="form.count" class="formlabels">Count: </label>
<br>
{{ form.count }}
<br>
</div>
</div>
<div class="modal-footer">
<button type="button" class="submit-btn btn btn-primary">Update</button>
</div>
</form>
manifest_readonly.html
#showing the html rendered by the manifest view
{% extends 'base.html' %}
{% load humanize %}
{% block body %}
{% load staticfiles %}
<div class="container">
<div class="col-xs-12">
{% if messages %}
{% for message in messages %}
<div class="alert alert-success" role="alert">
<center>{{ message }}</center>
</div>
{% endfor %}
{% endif %}
</div>
</div>
<div class="container">
<form id="create_mani_form" method="POST">
<br>
<br>
<br>
{% csrf_token %}
<div class="column">
<label for="form.reference" class="formlabels">Reference ID: </label><br>
<!-- <input type="text" value="{{ reference_id }}">-->
{{ form.reference }}
<br>
<br>
<label for="form.count" class="formlabels">CNF: </label>
<br>
{{ form.CNF }}
<br>
</div>
<div class="description">
<div class="column">
<label for="form.description" class="formlabels">Description: </label>
<br>
{{ form.product_name}}
<br><br>
<label for="form.count" class="formlabels">FOB: </label>
<br>
{{ form.FOB }}
<br>
</div>
</div>
<div class="column">
<label for="form.cases" class="formlabels">Cases: </label>
<br>
{{ form.cases }}
<br>
</div>
<div class="column">
<label for="form.count" class="formlabels">Count: </label>
<br>
{{ form.count }}
<br>
<label for="form.reference" class="formlabels">Case Total: </label><br>
<input type="text" value="{{ total_cases|intcomma }}" readonly>
<br>
<label for="form.reference" class="formlabels">Total CNF: </label><br>
<input type="text" value="{{ totalCNF|intcomma }}" readonly>
<br>
<label for="form.reference" class="formlabels">Total FOB: </label><br>
<input type="text" value="{{ totalFOB|intcomma }}" readonly>
</div>
<br>
<br>
<button type="submit" name="add_mani" style="border-color: #7395AE;">Add Line</button>
</form>
<br>
<h4>Manifest</h4>
<div class="table-responsive">
<!--<table id="manifest_table" class="table table-striped table-bordered table-sm " cellspacing="0"-->
<table class="table table-striped table-bordered manifest_table" cellspacing="0" style="width="100%">
<thead>
<tr>
<th style="width:2%;"</th>
<th style="width:10%;">Cases</th>
<th style="width:60%;">Description</th>
<th style="width:10%;">Count</th>
<th style="width:10%">FOB</th>
<th style="width:10%">CNF</th>
</tr>
</thead>
<tbody>
{% for manifests in data %}
<tr>
<td>
<!-- Update book buttons -->
<button type="button" class="update-manifest btn btn-sm btn-primary" style="color: #FFCF8B; border-color: #FFCF8B; background-color: #FFF;" data-id="{% url 'manifest_update' manifests.pk %}">
<span class="fa fa-pencil"></span>
</button>
</td>
<td>{{ manifests.cases }}</td>
<td>{{ manifests.product_name}}</td>
<td>{{ manifests.count}}</td>
<td>{{ manifests.FOB}}</td>
<td>{{ manifests.CNF}}</td>
</tr>
{% endfor %}
</tbody>
</table>
</div>
<div class="text-center">
<a href="{% url 'display_orders' %}" type="submit" class="btn btn-primary" name="button" align="right" style="color: #7395AE; border-color: #7395AE; background-color: #FFF;">Subit Manifest</a>
</div>
<div class="modal fade" tabindex="-1" role="dialog" id="modal">
<div class="modal-dialog modal-lg" role="document">
<div class="modal-content"></div>
</div>
</div>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
<script src="https://cdn.datatables.net/1.10.19/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/1.10.19/js/dataTables.bootstrap4.min.js"></script>
<script src="jquery.min.js"></script>
<script src="jquery.fulltable.js"></script>
<script src="script.js"></script>
<script src="{% static 'js/jquery.bootstrap.modal.forms.js' %}"></script>
<script>
$(function () {
$(".update-manifest").each(function () {
$(this).modalForm({formURL: $(this).data('id')});
});
});
</script>
{% endblock %}
jquery.bootstrap.modal.forms.js
(function ($) {
// Place the form at formURL to modalContent element of modal with id=modalID
var newForm = function (modalID, modalContent, modalForm, formURL, successURL, errorClass) {
$(modalContent).load(formURL, function () {
$(modalID).modal('toggle');
ajaxSubmit(modalID, modalContent, modalForm, successURL, errorClass);
});
};
// Add AJAX validation to the modalForm
var ajaxSubmit = function (modalID, modalContent, modalForm, successURL, errorClass) {
$(modalForm).submit(function (event) {
// Prevent submit and POST form to url using AJAX
event.preventDefault();
$.ajax({
type: $(this).attr("method"),
url: $(this).attr("action"),
// Serialize form data
data: $(this).serialize(),
success: function (response) {
// Update form with errors after unsuccessful POST request
// Django form.is_valid() = False
if ($(response).find(errorClass).length > 0) {
$(modalID).find(modalContent).html(response);
ajaxSubmit(modalID, modalContent, modalForm, successURL, errorClass);
}
// Hide modal after successful POST request when & redirect to successURL
else {
$(modalID).modal("hide");
window.location.href = successURL;
}
}
});
});
};
$.fn.modalForm = function (options) {
// Default settings
var defaults = {
modalID: "#modal",
modalContent: ".modal-content",
modalForm: ".modal-content form",
formURL: null,
successURL: "/",
errorClass: ".invalid"
};
// Extend default settings with provided options
var settings = $.extend(defaults, options);
return this.each(function () {
$(this).click(function (event) {
newForm(settings.modalID,
settings.modalContent,
settings.modalForm,
settings.formURL,
settings.successURL,
settings.errorClass);
event.preventDefault();
});
});
};
}(jQuery));
解决方案
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