模板

for循环

{% for athlete in athlete_list %}

    <li>{{ athlete.name }}</li>

{% endfor %}

if语句

{% if condition1 %}

   ... display 1

{% elif condiiton2 %}

   ... display 2

{% else %}

   ... display 3

{% endif %}

三种返回方式

from django.shortcuts import render, redirect, HttpResponse

# return HttpResponse("字符串")

# return render(request, "HTML模板的路径")

# return redirect('/只能填URL')