views.py 代码
1 from django.shortcuts import render,HttpResponse,redirect,reverse 2 3 def index(request): 4 context = { 5 ‘books‘:[‘林花谢了春红‘, ‘太匆匆‘, ‘无奈朝来寒雨‘, ‘晚来风‘, ‘胭脂泪‘, ‘相留醉‘, ‘几时重‘, ‘自是人生长恨水长东‘], 6 ‘heros‘:{ 7 ‘name‘:‘jinx‘, 8 ‘age‘:19, 9 ‘height‘:185 10 } 11 } 12 return render(request, ‘index.html‘, context=context)
index.html 代码
1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>模板渲染</title> 6 </head> 7 <body> 8 <ul> 9 {% for book in books reversed %} 10 <!-- 不支持continue和break --> 11 {% if forloop.first %} 12 <!-- 判断是否是第一次遍历 --> 13 <li style="background: gold;"></li> 14 {% elif forloop.last 15 <!-- 判断是否是最后一次遍历 --> 16 <li style="background: red;"></li> 17 {% endif %} 18 <li>{{forloop.revcounter0}}.{{ book }}</li> 19 <!-- {{forloop.counter}} 从1开始，表示遍历到第几个 20 {{forloop.counter0}} 从0开始 21 {{forloop.revcounter}} 反向最小是1 22 {{forloop.revcounter0}} 反向最小是0 --> 23 {% endfor %} 24 <br> 25 </ul> 26 <br> 27 <ul> 28 {% for key in heros.keys %} 29 <li>{{ key }}</li> 30 {% empty %} 31 <!-- 如果字典中没有任何内容，就显示下面的内容 --> 32 <li>这是一个空字典</li> 33 {% endfor %} 34 </ul> 35 <br> 36 <ul> 37 {% for value in heros.values %} 38 <li>{{ value }}</li> 39 {% endfor %} 40 </ul> 41 <br> 42 <ul> 43 {% for key, value in heros.items %} 44 <li>{{ key }}:{{ value }}</li> 45 {% endfor %} 46 </ul> 47 </body> 48 </html>
原文：https://www.cnblogs.com/kogmaw/p/12445522.html