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Django学习记录(三)：templates模板 #39

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PyxYuYu opened this issue Sep 15, 2016 · 0 comments
Open

Django学习记录(三)：templates模板 #39

PyxYuYu opened this issue Sep 15, 2016 · 0 comments
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Django

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@PyxYuYu
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PyxYuYu commented Sep 15, 2016

Knowing yourself is the height of wisdom.

0x01 Django

  • 模板（templates）

    • 模板是一个 string 文本，它用来分离一个文档的展现和数据
    • 模板定义了 placeholder 和表示多种逻辑的 tags 来规定文档如何展现
    • 通常模板用来输出 HTML，Django 模板也能生成其他基于文本的形式
    • 模板举例：
    <!DOCTYPE html>
<html>
<head>
   <title>xxxxx</title>
</head>
<body>
<p>Dear {{ person_name }},</p>
<p>Thanks for placing an order from {{ company }}. It's scheduled to ship on {{ ship_date|date:"F j, Y" }}.</p>
<p>Here are the items you've ordered:</p>
<ul>
{% for item in item_list %}
<li>{{ item }}</li>
{% endfor %}
</ul>
{% if order_warranty %}
<p>Your warranty information will be included in the packaging.</p>
{% endfor %}
<p>Sincerely, <br />{{ company }}</p>
</body>
</html>

    • 模板本质是 HTML，中间夹杂了一些变量和模板标签

      • {{}} 包围的是 变量
        • 过滤器： {{ship_date|date:"F j, Y"}} 把 ship_date 变量传递给过滤器，并给 date 过滤器传递了一个参数 F j, Y, date 过滤器以给定参数的形式格式化日期，类似于 Unix，过滤器使用管道字符 |
      • 扩展 ： Django内建标签和过滤器系统

    • {{%%}} 包围的是 块标签

      • 块标签 的含义很丰富，它告诉模板系统做一些事情
      • 上述例子中，if for 逻辑语句，这样的功能都是 块标签
        • 例如：
      {{ string }}

      # coding: utf-8
from django.shortcuts import render

def home(request):
   string = "xxxxx"
   return render(request, 'xxx.html', {'string': string})
@PyxYuYu PyxYuYu added the Django label Sep 15, 2016
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