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python - AJAX GET 请求成功; Django View 已更新但 HTML 未更新

转载 作者:行者123 更新时间:2023-11-28 02:32:46 25 4
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这完全难住了我,我已经盯着屏幕看了很长时间。
这是关于我正在尝试开发的邮件应用程序。我有一个分为三个部分的 HTML 页面。左侧可以选中/取消选中从中查看电子邮件的文件夹。中间页面“应该”显示所有邮件(取决于在左栏中选择的内容)。最右边的列是中间单个邮件的展开 View 。我添加了 AJAX GET 请求功能以传递以查看已选择或未选择哪些文件夹。该 View 可以正常获取 AJAX 请求(在下面的代码中,我打印出 args,这正是我想要的)。然而,HTML 页面/模板从不响应不断变化的参数!!我不知道为什么?请帮助我找出程序中的错误。

网址.py

from django.conf.urls import url
from . import views


app_name="Home"
urlpatterns = [
url(r'^$', views.Home_View.as_view(),name="Home"),
url(r'^RightBody/$', views.RightBody, name="RightBody"),
url(r'^RulePopUp/$', views.RulePopUp_View.as_view(), name="RulePopUp"),
]

View .py

class Home_View(View):

def get(self, request):
ExcludedFolder = request.GET.getlist('UncheckedFolder[]')
LeftSide_FolderHandle = FolderTree("/SomePath/")
LeftSide_Folder = LeftSide_FolderHandle.CreateFolderNames()
LeftSide_Folder = LeftSide_FolderHandle.MakeAJSONtree()
CompleteMailBox_Handle = MailLogger("/SomePath/",FoldersToExclude=ExcludedFolder)
CompleteMailBox = CompleteMailBox_Handle.RecreateMailBox()
# RightMail = FullMailInTheRight()
args = {"CompleteMailBox":CompleteMailBox,
"LeftSide_FolderStructure":LeftSide_Folder}
print(args) ##This works
return render(request,'Home_Query.html',args)

Home_Query.html

<!DOCTYPE html>
{% load static %}
<html>
<head>
<meta charset="utf-8">
<title>Main Page</title>
<script type="text/javascript" src="{% static 'js/jquery-3.2.1.js' %}"></script>
<link rel="stylesheet" href="{% static 'css/HomePageMain.css' %}" type="text/css">
</head>
<body>
<h1 class="Headline"> Mail checking app </h1>
<br>
<br>
<div class="left-column">
Select folders to display messages
<br>
<br>
{% include "Home_Query_LeftSide.html" with LeftSide_FolderStructure=LeftSide_FolderStructure %}
</div>
<div class="middle-column">
Select Message to show complete mail on the right
<br>
<br>
{% for eachMail in CompleteMailBox %}
<div class="SingleMail">
<span class="EachMailSender"> Sender: </span> <span class="MailSender">{{eachMail.0.Sender}}</span>, <span class="EachMailTime">Time: </span> <span class="MailTime">{{eachMail.0.Time}}</span> <br>
<span class="EachMailSubject">Subject: </span> <span class="Subject">{{eachMail.0.Subject}}</span><br>
<span class="EachMailBody"> Mail: </span>{{eachMail.1}}
<div class="Rules">
<p id="Rules">Click here for rules</p>
</div>
</div>
{% endfor %}
</div>
<div class="right-column">
This column shows the complete email when selected in the middle column
<br>
<br>
<div class="FullMail">
</div>
<br>
<br>
</div>
</body>
<script type="text/javascript" src="{% static 'js/main.js' %}"></script>
</html>

主要.js

var Unchecked = [];

$(function () {
$("input:checkbox").click(function(){
$(this).parent().find("input[type='checkbox']").prop('checked',$(this).is(':checked'));
if ($(".left-column").find("input:checkbox:not(:checked)").length != 0){
var UncheckedFolder = "";
$(this).parent().find("input:checkbox:not(:checked)").each(function(){
UncheckedFolder += "/"+String($(this).prop("id"));
});
if ($.inArray(UncheckedFolder, Unchecked) === -1) {Unchecked.push(UncheckedFolder)}
var CheckedFolder = "";
$(this).parent().find("input:checkbox:checked").each(function(){
CheckedFolder += "/"+String($(this).prop("id"));
});
if ($.inArray(CheckedFolder, Unchecked) != -1) {Unchecked.splice($.inArray(CheckedFolder,Unchecked),1);}
UncheckedFolder = "";
}
else {
Unchecked = [];
}
console.log(Unchecked);
$.ajax({
type: 'get',
url: "/Home/",
datatype: "json",
data: {
'UncheckedFolder':Unchecked,
},
success: PrintMessage,
});
});
});

function PrintMessage(data,textStatus,jqXHR){
console.log("Success To Exclude");
}

非常感谢!

最佳答案

你很接近。返回一个 JsonResponse 而不是 render:

from django.http import JsonResponse

class Home_View(View):

def get(self, request):
...
print(args) ##This works
return JsonResponse(args)

javascript 调用需要 json 格式的响应。使用 render,您将返回一个 HTML 模板。

关于python - AJAX GET 请求成功; Django View 已更新但 HTML 未更新,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/49578833/

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