在 Django 模板语言中变量用 {{ }}，逻辑用 {% %}

在 urls.py 中添加对应关系

from django.conf.urls import url
from django.contrib import admin
from app01 import views

urlpatterns = [
    url(r'^test/', views.django_test),
]

普通变量：

在 views.py 中编写 django_test 函数

from django.shortcuts import render, redirect, HttpResponse
from app01 import models


# Django 模板语言变量
def django_test(request):
    name = "John"
    age = 28
    return render(request, "test.html", {"name1": name, "age1": age})  # 通过字典形式传给 html

接下来写 test.html 页面

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Django 模板语言测试</title>
</head>
<body>

<h1>Django 模板语言测试</h1>

{{ name1 }} {{ age1 }}

</body>
</html>

运行效果：

Python - Django - 模板语言之变量

如果是用不存在的变量名，将不会在页面显示

列表：

如果要显示列表成员的话需要使用循环来显示

views.py：

from django.shortcuts import render, redirect, HttpResponse
from app01 import models


# Django 模板语言变量
def django_test(request):
    name = "John"
    age = 28
    hobby = ["Reading", "Basketball", "Movie", "Music"]
    return render(request, "test.html", {"name1": name, "age1": age, "hobby_list": hobby})

test.html：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Django 模板语言测试</title>
</head>
<body>

<h1>Django 模板语言测试</h1>

<!-- 普通变量 -->
{{ name1 }} {{ age1 }}

<!-- 列表 -->
{% for hobby in hobby_list %}
    {{ hobby }}
{% endfor %}

</body>
</html>

运行效果：

Python - Django - 模板语言之变量

字典：

通过 {{ 字典名.key }} 来获取 value

views.py：

from django.shortcuts import render, redirect, HttpResponse
from app01 import models


# Django 模板语言变量
def django_test(request):
    name = "John"
    age = 28
    hobby = ["Reading", "Basketball", "Movie", "Music"]
    info = {"height": 188, "weight": 120}
    return render(request, "test.html", {"name1": name, "age1": age, "hobby_list": hobby, "info": info})

test.html：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Django 模板语言测试</title>
</head>
<body>

<h1>Django 模板语言测试</h1>

<!-- 普通变量 -->
{{ name1 }} {{ age1 }}

<!-- 列表 -->
{% for hobby in hobby_list %}
    {{ hobby }}
{% endfor %}

<!-- 字典 -->
{{ info.height }} | {{ info.weight }}

</body>
</html>

运行效果：

Python - Django - 模板语言之变量

类：

类通过 {{ 对象名.属性 }} 来访问属性，通过 {{ 对象名.方法 }} 来实现方法

views.py：

from django.shortcuts import render, redirect, HttpResponse
from app01 import models


# 测试类 Animal
class Animal(object):
    def __init__(self, specie, name):
        self.specie = specie
        self.name = name

    def sleep(self):
        return "%s is sleeping" %self.name

# Django 模板语言变量
def django_test(request):
    name = "John"
    age = 28
    hobby = ["Reading", "Basketball", "Movie", "Music"]
    info = {"height": 188, "weight": 120}
    a1 = Animal("Cat", "Tom")
    a2 = Animal("Dog", "Jim")
    return render(
        request,
        "test.html",
        {
            "name1": name,
            "age1": age,
            "hobby_list": hobby,
            "info": info,
            "a1": a1,
            "a2": a2,
        })

test.html：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Django 模板语言测试</title>
</head>
<body>

<h1>Django 模板语言测试</h1>

<!-- 普通变量 -->
{{ name1 }} {{ age1 }}

<!-- 列表 -->
{% for hobby in hobby_list %}
    {{ hobby }}
{% endfor %}

<!-- 字典 -->
{{ info.height }} | {{ info.weight }}

<br>

<!-- 类 -->
{{ a1.specie }} | {{ a1.name }} | {{ a1.sleep }}
<br>
{{ a2.specie }} | {{ a2.name }} | {{ a2.sleep }}

</body>
</html>

运行效果：

Python - Django - 模板语言之变量