• <blockquote id="eytxh"><kbd id="eytxh"><object id="eytxh"></object></kbd></blockquote>
  • <blockquote id="eytxh"><table id="eytxh"></table></blockquote>
    <abbr id="eytxh"><legend id="eytxh"><dfn id="eytxh"></dfn></legend></abbr>
    \n\n\n\n
    Note that we're adding Tailwind and DaisyUI from a CDN, to keep these articles simpler. For production-quality code, they should be  bundled in your app.<\/p>\n\n
    We're using the beta version of DaisyUI 5.0, which includes a new list component which suits our todo items fine.
    \n<\/p>\n\n
    \n\n{% extends \"_base.html\" %}\n\n{% block content %}\n
    \n\n\n\n
    We can now add some Todo items with the admin interface, and run the server, to see the Todos similarly to the previous screenshot. <\/p>\n\n
    We're now ready to add some HTMX to the app, to toggle the completion of the item<\/p>\n\n
    \n  \n  \n  Add inline partial templates\n<\/h2>\n\n
    In case you're new to HTMX, it's a JavaScript library that makes it easy to create dynamic web pages by replacing and updating parts of the page with fresh content from the server. Unlike client-side libraries like React, HTMX focuses on server-driven<\/strong> updates, leveraging hypermedia<\/strong> (HTML) to fetch and manipulate page content on the server, which is responsible for rendering the updated content, rather than relying on complex client-side rendering and rehydration, and saving us from the toil of serializing to and from JSON just to provide data to client-side libraries.<\/p>\n\n
    In short: when we toggle one of our todo items, we will get a new fragment of HTML from the server (the todo item) with its new state.<\/p>\n\n
    To help us achieve this we will first install a Django plugin called django-template-partials, which adds support to inline partials in our template, the same partials that we will later return for specific todo items.
    \n<\/p>\n\n
    ? uv add django-template-partials\nResolved 24 packages in 435ms\nInstalled 1 package in 10ms\n + django-template-partials==24.4\n<\/pre>\n\n\n\n
    按照安裝說(shuō)明，我們應(yīng)該更新我們的settings.py 文件
    \n<\/p>\n\n
    INSTALLED_APPS = [\n    \"django.contrib.admin\",\n    \"django.contrib.auth\",\n    \"django.contrib.contenttypes\",\n    \"django.contrib.sessions\",\n    \"django.contrib.messages\",\n    \"django.contrib.staticfiles\",\n    \"core\",\n    \"template_partials\",  # <-- NEW\n]\n<\/pre>\n\n\n\n
    在我們的任務(wù)模板中，我們將每個(gè)待辦事項(xiàng)定義為內(nèi)聯(lián)部分模板。如果我們重新加載頁(yè)面，它不應(yīng)該有任何視覺(jué)差異。
    \n<\/p>\n\n
    \n\n{% extends \"_base.html\" %}\n{% load partials %} \n\n{% block content %}\n
    \n\n\n\n
    The two attributes added are important: the name of the partial, todo-item-partial, will be used to refer to it in our view and other templates, and the inline attribute indicates that we want to keep rendering the partial within the context of its parent template.<\/p>\n\n
    With inline partials, you can see the template within the context it lives in, making it easier to understand and maintain your codebase by preserving locality of behavior, when compared to including separate template files.<\/p>\n\n
    \n  \n  \n  Toggling todo items on and off with HTMX\n<\/h2>\n\n
    To mark items as complete and incomplete, we will implement a new URL and View for todo items, using the PUT method. The view will return the updated todo item rendered within a partial template.<\/p>\n\n
    First of all we need to add HTMX to our base template. Again, we're adding straight from a CDN for the sake of simplicity, but for real production apps you should serve them from the application itself, or as part of a bundle. Let's add it in the HEAD section of _base.html, right after Tailwind:
    \n<\/p>\n\n
        \n    
	







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						使用 Django 和 HTMX 創(chuàng)建待辦事項(xiàng)應(yīng)用程序 - 創(chuàng)建前端并添加 HTMX 部分
					
    
					
					
    
						
    
							
    使用 Django 和 HTMX 創(chuàng)建待辦事項(xiàng)應(yīng)用程序 - 創(chuàng)建前端并添加 HTMX 部分
    
							
							Jan 06, 2025 am	 12:00 AM
														
						
    
					
    
					
    
					
    
						
    
						
						
						

					
    歡迎來(lái)到我們系列的第三部分！在本系列文章中，我記錄了自己對(duì) HTMX 的學(xué)習(xí)，使用 Django 作為后端。
    
如果您剛剛接觸該系列，您可能需要先查看第一部分和第二部分。
    

    
  
  
  創(chuàng)建模板和視圖

    


    我們將首先創(chuàng)建一個(gè)基本模板和一個(gè)指向索引視圖的索引模板，該索引視圖將列出數(shù)據(jù)庫(kù)中的待辦事項(xiàng)。我們將使用 DaisyUI（Tailwind CSS 的擴(kuò)展）來(lái)使 Todos 看起來(lái)更漂亮。
    


    這是設(shè)置視圖后、添加 HTMX 之前頁(yè)面的樣子：
    


    Creating a To-Do app with Django and HTMX - Part Creating the frontend and adding HTMX
    

    
  
  
  添加視圖和 URL

    


    首先，我們需要更新項(xiàng)目根目錄中的 urls.py 文件，以包含我們將在“核心”應(yīng)用程序中定義的 url：
    

    


    # todomx/urls.py

from django.contrib import admin
from django.urls import include, path # <-- NEW

urlpatterns = [
    path("admin/", admin.site.urls),
    path("", include("core.urls")), # <-- NEW
]

    




    然后，我們?yōu)閼?yīng)用程序定義新的 URL，添加新文件 core/urls.py:
    

    


    # core/urls.py

from django.urls import path
from . import views

urlpatterns = [
    path("", views.index, name="index"),
    path("tasks/", views.tasks, name="tasks"),
]

    




    現(xiàn)在我們可以創(chuàng)建相應(yīng)的視圖了，在core/views.py
    

    


    # core/views.py

from django.shortcuts import redirect, render
from .models import UserProfile, Todo
from django.contrib.auth.decorators import login_required


def index(request):
    return redirect("tasks/")


def get_user_todos(user: UserProfile) -> list[Todo]:
    return user.todos.all().order_by("created_at")


@login_required
def tasks(request):
    context = {
        "todos": get_user_todos(request.user),
        "fullname": request.user.get_full_name() or request.user.username,
    }

    return render(request, "tasks.html", context)


    




    這里有一些有趣的事情：我們的索引路由（主頁(yè)）將僅重定向到任務(wù) URL 和視圖。這將使我們能夠在未來(lái)自由地為應(yīng)用程序?qū)崿F(xiàn)某種登陸頁(yè)面。
    


    任務(wù)視圖需要登錄，并在上下文中返回兩個(gè)屬性：用戶的全名（如果需要的話會(huì)合并到用戶名）和待辦事項(xiàng)，按創(chuàng)建日期排序（我們可以在未來(lái)）。
    


    現(xiàn)在讓我們添加模板。我們將為整個(gè)應(yīng)用程序提供一個(gè)基本模板，其中包括 Tailwind CSS 和 DaisyUI，以及任務(wù)視圖的模板。
    

    


    <!-- core/templates/_base.html -->

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <title></title>
    <meta name="description" content="" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <link href="https://cdn.jsdelivr.net/npm/daisyui@5.0.0-beta.1/daisyui.css" rel="stylesheet" type="text/css"/>
    <script src="https://cdn.tailwindcss.com?plugins=typography"></script>
    {% block header %}
    {% endblock %}
  </head>
  <body>



<p>Note that we're adding Tailwind and DaisyUI from a CDN, to keep these articles simpler. For production-quality code, they should be  bundled in your app.</p>

<p>We're using the beta version of DaisyUI 5.0, which includes a new list component which suits our todo items fine.<br>
</p>

<pre class="brush:php;toolbar:false"><!-- core/templates/tasks.html -->

{% extends "_base.html" %}

{% block content %}
<div>



<p>We can now add some Todo items with the admin interface, and run the server, to see the Todos similarly to the previous screenshot. </p>

<p>We're now ready to add some HTMX to the app, to toggle the completion of the item</p>

<h2>
  
  
  Add inline partial templates
</h2>

<p>In case you're new to HTMX, it's a JavaScript library that makes it easy to create dynamic web pages by replacing and updating parts of the page with fresh content from the server. Unlike client-side libraries like React, HTMX focuses on <strong>server-driven</strong> updates, leveraging <strong>hypermedia</strong> (HTML) to fetch and manipulate page content on the server, which is responsible for rendering the updated content, rather than relying on complex client-side rendering and rehydration, and saving us from the toil of serializing to and from JSON just to provide data to client-side libraries.</p>

<p>In short: when we toggle one of our todo items, we will get a new fragment of HTML from the server (the todo item) with its new state.</p>

<p>To help us achieve this we will first install a Django plugin called django-template-partials, which adds support to inline partials in our template, the same partials that we will later return for specific todo items.<br>
</p>

<pre class="brush:php;toolbar:false">? uv add django-template-partials
Resolved 24 packages in 435ms
Installed 1 package in 10ms
 + django-template-partials==24.4

    




    按照安裝說(shuō)明，我們應(yīng)該更新我們的settings.py 文件
    

    


    INSTALLED_APPS = [
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
    "core",
    "template_partials",  # <-- NEW
]

    




    在我們的任務(wù)模板中，我們將每個(gè)待辦事項(xiàng)定義為內(nèi)聯(lián)部分模板。如果我們重新加載頁(yè)面，它不應(yīng)該有任何視覺(jué)差異。
    

    


    <!-- core/templates/tasks.html -->

{% extends "_base.html" %}
{% load partials %} <!-- NEW -->

{% block content %}
<div>



<p>The two attributes added are important: the name of the partial, todo-item-partial, will be used to refer to it in our view and other templates, and the inline attribute indicates that we want to keep rendering the partial within the context of its parent template.</p>

<p>With inline partials, you can see the template within the context it lives in, making it easier to understand and maintain your codebase by preserving locality of behavior, when compared to including separate template files.</p>

<h2>
  
  
  Toggling todo items on and off with HTMX
</h2>

<p>To mark items as complete and incomplete, we will implement a new URL and View for todo items, using the PUT method. The view will return the updated todo item rendered within a partial template.</p>

<p>First of all we need to add HTMX to our base template. Again, we're adding straight from a CDN for the sake of simplicity, but for real production apps you should serve them from the application itself, or as part of a bundle. Let's add it in the HEAD section of _base.html, right after Tailwind:<br>
</p>

<pre class="brush:php;toolbar:false">    <link href="https://cdn.jsdelivr.net/npm/daisyui@5.0.0-beta.1/daisyui.css" rel="stylesheet" type="text/css"/>
    <script src="https://cdn.tailwindcss.com?plugins=typography"></script>
    <script src="https://unpkg.com/htmx.org@2.0.4" ></script> <!-- NEW -->
    {% block header %}
    {% endblock %}


    




    在 core/urls.py 上，我們將添加新路線：
    

    


    # core/urls.py

from django.urls import path
from . import views

urlpatterns = [
    path("", views.index, name="index"),
    path("tasks/", views.tasks, name="tasks"),
    path("tasks/<int:task_id>/", views.toggle_todo, name="toggle_todo"), # <-- NEW
]

    




    然后，在core/views.py上，我們添加相應(yīng)的視圖：
    

    


    # core/views.py

from django.shortcuts import redirect, render
from .models import UserProfile, Todo
from django.contrib.auth.decorators import login_required
from django.views.decorators.http import require_http_methods # <-- NEW

# ... existing code

# NEW
@login_required
@require_http_methods(["PUT"])
def toggle_todo(request, task_id):
    todo = request.user.todos.get(id=task_id)
    todo.is_completed = not todo.is_completed
    todo.save()

    return render(request, "tasks.html#todo-item-partial", {"todo": todo})


    




    在 return 語(yǔ)句中，我們可以看到如何利用模板部分：通過(guò)引用其名稱 todo-item-partial 以及與我們要處理的項(xiàng)目名稱相匹配的上下文，我們僅返回部分在tasks.html中的循環(huán)中進(jìn)行迭代。
    


    我們現(xiàn)在可以測(cè)試打開(kāi)和關(guān)閉該項(xiàng)目：
    


    Creating a To-Do app with Django and HTMX - Part Creating the frontend and adding HTMX
    


    看起來(lái)我們只是在做一些客戶端工作，但是檢查瀏覽器中的網(wǎng)絡(luò)工具向我們展示了如何分派 PUT 請(qǐng)求并返回部分 HTML：
    PUT 請(qǐng)求 
    


    Creating a To-Do app with Django and HTMX - Part Creating the frontend and adding HTMX
    


    回復(fù)
    


    Creating a To-Do app with Django and HTMX - Part Creating the frontend and adding HTMX
    


    我們的應(yīng)用程序現(xiàn)已 HTMX 化！您可以在此處查看最終代碼。在第 4 部分中，我們將添加添加和刪除任務(wù)的功能。
    


          

            
        
    以上是使用 Django 和 HTMX 創(chuàng)建待辦事項(xiàng)應(yīng)用程序 - 創(chuàng)建前端并添加 HTMX 部分的詳細(xì)內(nèi)容。更多信息請(qǐng)關(guān)注PHP中文網(wǎng)其他相關(guān)文章！
    


						
    
					
    
					
    
						
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