def home(request):

    dic = {}
    dic['str'] = 'abc'
    dic['num'] = 90
    dic['script'] = 'script>alert("這是測(cè)試過(guò)濾器safe")/script>' #簡(jiǎn)單的js代碼，可以彈出一個(gè)窗口
    return render(request, 'home.html', dic)

body>
    h2>過(guò)濾器upper: {{ str|upper }}/h2> # 全變成大寫字母
    h2>過(guò)濾器add: {{ num|add:'10' }}/h2> # 加10
    h2>過(guò)濾器safe: {{ script|safe }}/h2> # 不進(jìn)行html轉(zhuǎn)義，適用直接執(zhí)行js代碼，理解為代碼安全可以直接執(zhí)行
/body>

!DOCTYPE html>
html lang="en">

head>
    meta charset="UTF-8">
    meta http-equiv="X-UA-Compatible" content="IE=edge">
    meta name="viewport" content="width=device-width, initial-scale=1.0">
/head>

body>
    !-- 導(dǎo)航欄，每個(gè)頁(yè)面都一樣 -->
    h2>
        a href="/home" rel="external nofollow" >主頁(yè)/a>
        a href="/music" rel="external nofollow" >音樂頻道/a>
        a href="/sport" rel="external nofollow" >運(yùn)動(dòng)頻道/a>
    /h2>
    h2>
        {% block body %}
        h2>歡迎來(lái)到主頁(yè)！（該部分區(qū)域因頁(yè)面而異）/h2>
        {% endblock %}
        h3>如有問題請(qǐng)請(qǐng)聯(lián)系xxx@163.com（每個(gè)頁(yè)面都一樣）/h3>
/body>

/html>

{% extends 'home.html' %}

!-- 修改body區(qū)域內(nèi)容 -->
{% block body %}
h2>歡迎來(lái)到音樂頻道！/h2>
{% endblock %}

{% extends 'home.html' %}

!-- 修改body區(qū)域內(nèi)容 -->
{% block body %}
h2>歡迎來(lái)到運(yùn)動(dòng)頻道！/h2>
{% endblock %}

import re
from django.http import HttpResponse
from django.shortcuts import render

def home(request):
    return render(request, 'home.html', dic)
def music(request):

    return render(request, 'music.html')
def sport(request):

    return render(request, 'sport.html')

from django.contrib import admin
from django.urls import path
from . import views
urlpatterns = [
    path('admin/', admin.site.urls),
    path('home/', views.home),
    path('music/', views.music),
    path('sport/', views.sport),
]