jquery - 在 django 中通过 AJAX 从数据库中检索数据并以 HTML 形式显示
问题描述
最近我正在使用 django 框架开发博客应用程序。现在我不知道如何通过 ajax 以 HTML 形式从数据库中检索数据。例如,如果用户想要编辑他自己的帖子,该页面将与他的旧页面一起重定向到 blog_post 页面已发布的帖子。我想将该发布的数据设置为 blog_post 页面。因此,每当用户去编辑帖子时,已发布的帖子就会被提及,用户可以轻松地对其进行编辑。
这是我的代码,
blog_post.html
{% load static %}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="description" content="">
<meta name="author" content="">
<title>Clean Blog - Start Bootstrap Theme</title>
<!-- Bootstrap core CSS -->
<link href="{% static 'vendor/bootstrap/css/bootstrap.min.css' %}" rel="stylesheet">
<!-- Custom fonts for this template -->
<link href="{% static 'vendor/fontawesome-free/css/all.min.css' %}" rel="stylesheet" type="text/css">
<link href='https://fonts.googleapis.com/css?family=Lora:400,700,400italic,700italic' rel='stylesheet'
type='text/css'>
<link href='https://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800'
rel='stylesheet' type='text/css'>
<!-- Custom styles for this template -->
<link href="{% static 'css/clean-blog.min.css' %}" rel="stylesheet">
<script src="https://code.jquery.com/jquery-3.5.1.min.js" integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=" crossorigin="anonymous"></script>
</head>
<body>
<!--- --- Here is my ajax which I had tried ----- --- !>
{% for i in blogs %}
<script>
$(document).ready(function(){
setInterval(function () {
$.ajax({
type : "post",
url : "{% url 'edit_post' %}",
data: {
"blogger" : {{ i.blogger_name }},
"blog_title" : {{ i.blog_title }},
"blog_subtitle" : {{ i.blog_subtitle }},
"blog_content" : {{ i.blog_body }},
"blog_img" : {{ i.blog_baseimg }},
},
success : function(response){
console.log(response)
$("#name").html(response.blogger),
$("#email").html(response.blog_subtitle),
$("#message").html(response.blog_content),
$("#file").html(response.blog_img)
}
})
},1000)
})
</script>
{% endfor %}
<!-- Navigation -->
<nav class="navbar navbar-expand-lg navbar-light fixed-top" id="mainNav">
<div class="container">
<a class="navbar-brand" href="index">Start Bootstrap</a>
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse"
data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false"
aria-label="Toggle navigation">
Menu
<i class="fas fa-bars"></i>
</button>
<div class="collapse navbar-collapse" id="navbarResponsive">
<ul class="navbar-nav ml-auto">
<li class="nav-item">
<a class="nav-link" href="/">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="about">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="sample">Sample Post</a>
</li>
<li class="nav-item">
<a class="nav-link" href="{% if user.is_authenticated %}contact{% else %}login{% endif %}">Post Blog</a>
</li>
<li class="nav-item">
{% if user.is_authenticated %}
<a class="nav-link" href="{% url 'logout_user' %}">@{{ user.email }}</a>{% else %}
<a class="nav-link" href="{% url 'login' %}">Login / Register{% endif %}</a>
</li>
</ul>
</div>
</div>
</nav>
<!-- Page Header -->
<header class="masthead">
<div class="overlay"></div>
<div class="container">
<div class="row">
<div class="col-lg-8 col-md-10 mx-auto">
<div class="page-heading">
<h1>Post Blog</h1>
<span class="subheading">Start Interacting with World</span>
</div>
</div>
</div>
</div>
</header>
<!-- Main Content -->
<div class="container">
<div class="row">
<div class="col-lg-8 col-md-10 mx-auto">
<form name="sentMessage" id="contactForm" method="post" action="{% url 'post_blog' %}" novalidate>
{% csrf_token %}
<div class="control-group">
<div class="form-group floating-label-form-group controls">
<label>Title</label>
<input type="text" class="form-control" name = "blog_title" placeholder="Blog Title" id="name" required
data-validation-required-message="Please enter your name.">
<p class="help-block text-danger"></p>
</div>
</div>
<div class="control-group">
<div class="form-group floating-label-form-group controls">
<label>Sub Title</label>
<input type="text" class="form-control" name="blog_subtitle" placeholder="Blog Subtitle" id="email" required
data-validation-required-message="Please enter your email address.">
<p class="help-block text-danger"></p>
</div>
</div>
<div class="control-group">
<div class="form-group floating-label-form-group controls">
<label>Content</label>
<textarea rows="5" class="form-control" name="blog_content" placeholder="Blog Content" id="message" required
data-validation-required-message="Please enter a message."></textarea>
<p class="help-block text-danger"></p>
</div>
</div>
<div class = "control-group">
<div class = "form-group floating-label-form-group controls">
<label>Blog Image</label>
<input type="file" class = "form-control" name="blog_img" placeholder="Upload Image" required id="file"
data-validation-required-message = "Please Upload An Image">
</div>
</div>
<br>
<div id="success"></div>
<button type="submit" class="btn btn-primary" id="sendMessageButton">Send</button>
</form>
</div>
</div>
</div>
<hr>
<!-- Bootstrap core JavaScript -->
<script src="vendor/jquery/jquery.min.js"></script>
<script src="vendor/bootstrap/js/bootstrap.bundle.min.js"></script>
<!-- Contact Form JavaScript -->
<script src="js/jqBootstrapValidation.js"></script>
<script src="js/contact_me.js"></script>
<!-- Custom scripts for this template -->
<script src="js/clean-blog.min.js"></script>
</body>
</html>
view.py 函数
def blog_details(request,user_slug,blog_slug):
blog = get_object_or_404(BlogData,user_slug__user_slug = user_slug,blog_slug = blog_slug)
return render(request,"sample.html",{'blog':blog})
网址.py
from django.urls import path,include
from . import views
urlpatterns = [
path("",views.index, name = "index"),
path("login/",views.login, name = "login"),
path("about",views.about,name = "about"),
path("sample",views.sample, name = "sample"),
path("register",views.register,name = "register"),
path("contact",views.post,name = "post"),
path("post_blog",views.submit_post,name = "post_blog"),
path("<slug:user_slug>/",views.about,name = "about"),
path("<slug:user_slug>/<slug:slug>/edit",views.edit_post,name = "edit_post"),
path("<slug:slug>/delete",views.delete_post,name = "delete_post"),
path("<slug:user_slug>/<slug:blog_slug>/",views.blog_details,name = "blog_details"),
]
模型.py
from django.db import models
from django.conf import settings
from django.urls import reverse
from login.models import User
from django.utils.text import slugify
# Create your models here.
languages = ['eng','fra','spa','hin']
class BlogData(models.Model):
blogger_name = models.ForeignKey(User,on_delete=models.CASCADE,related_name='blogger_name',null=False)
publish_date = models.DateTimeField(auto_now=True)
blog_title = models.TextField()
blog_subtitle = models.TextField()
blog_body = models.TextField()
blog_baseimg = models.ImageField(upload_to='pics')
blog_slug = models.SlugField(max_length=200,db_index=True,unique=False)
user_slug = models.ForeignKey(User,on_delete=models.CASCADE,related_name='users_slug')
def get_absolute_url(self):
#print(self.user_slug)
#return f"/blogs/{ self.blogger_name }/{self.blog_slug}/"
return reverse('blog_details',args=[self.user_slug.user_slug,self.blog_slug])
def __str__(self):
return self.blog_title
解决方案
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