Python的Django框架中模板碎片缓存简介
你同样可以使用cache标签来缓存模板片段。 在模板的顶端附近加入{% load cache %}以通知模板存取缓存标签。
模板标签{% cache %}在给定的时间内缓存了块的内容。 它至少需要两个参数: 缓存超时时间（以秒计）和指定缓存片段的名称。 示例：
{% load cache %}
{% cache 500 sidebar %}
.. sidebar ..
{% endcache %}
有时你可能想缓存基于片段的动态内容的多份拷贝。 比如，你想为上一个例子的每个用户分别缓存侧边栏。 这样只需要给{% cache %}传递额外的参数以标识缓存片段。
{% load cache %}
{% cache 500 sidebar request.user.username %}
.. sidebar for logged in user ..
{% endcache %}
传递不止一个参数也是可行的。 简单地把参数传给{% cache %}。
缓存超时时间可以作为模板变量，只要它可以解析为整数值。 例如，如果模板变量my_timeout值为600，那么以下两个例子是等价的。
{% cache 600 sidebar %} ... {% endcache %}
{% cache my_timeout sidebar %} ... {% endcache %}这个特性在避免模板重复方面非常有用。 可以把超时时间保存在变量里，然后在别的地方复用。
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
Where are video files stored in browser cache?
Feb 19, 2024 pm 05:09 PM
Which folder does the browser cache the video in? When we use the Internet browser every day, we often watch various online videos, such as watching music videos on YouTube or watching movies on Netflix. These videos will be cached by the browser during the loading process so that they can be loaded quickly when played again in the future. So the question is, in which folder are these cached videos actually stored? Different browsers store cached video folders in different locations. Below we will introduce several common browsers and their
How to view and refresh dns cache in Linux
Mar 07, 2024 am 08:43 AM
DNS (DomainNameSystem) is a system used on the Internet to convert domain names into corresponding IP addresses. In Linux systems, DNS caching is a mechanism that stores the mapping relationship between domain names and IP addresses locally, which can increase the speed of domain name resolution and reduce the burden on the DNS server. DNS caching allows the system to quickly retrieve the IP address when subsequently accessing the same domain name without having to issue a query request to the DNS server each time, thereby improving network performance and efficiency. This article will discuss with you how to view and refresh the DNS cache on Linux, as well as related details and sample code. Importance of DNS Caching In Linux systems, DNS caching plays a key role. its existence
The relationship between CPU, memory and cache is explained in detail!
Mar 07, 2024 am 08:30 AM
There is a close interaction between the CPU (central processing unit), memory (random access memory), and cache, which together form a critical component of a computer system. The coordination between them ensures the normal operation and efficient performance of the computer. As the brain of the computer, the CPU is responsible for executing various instructions and data processing; the memory is used to temporarily store data and programs, providing fast read and write access speeds; and the cache plays a buffering role, speeding up data access speed and improving The computer's CPU is the core component of the computer and is responsible for executing various instructions, arithmetic operations, and logical operations. It is called the "brain" of the computer and plays an important role in processing data and performing tasks. Memory is an important storage device in a computer.
Will HTML files be cached?
Feb 19, 2024 pm 01:51 PM
Title: Caching mechanism and code examples of HTML files Introduction: When writing web pages, we often encounter browser cache problems. This article will introduce the caching mechanism of HTML files in detail and provide some specific code examples to help readers better understand and apply this mechanism. 1. Browser caching principle In the browser, whenever a web page is accessed, the browser will first check whether there is a copy of the web page in the cache. If there is, the web page content is obtained directly from the cache. This is the basic principle of browser caching. Benefits of browser caching mechanism
Advanced Usage of PHP APCu: Unlocking the Hidden Power
Mar 01, 2024 pm 09:10 PM
PHPAPCu (replacement of php cache) is an opcode cache and data cache module that accelerates PHP applications. Understanding its advanced features is crucial to utilizing its full potential. 1. Batch operation: APCu provides a batch operation method that can process a large number of key-value pairs at the same time. This is useful for large-scale cache clearing or updates. //Get cache keys in batches $values=apcu_fetch(["key1","key2","key3"]); //Clear cache keys in batches apcu_delete(["key1","key2","key3"]);2 .Set cache expiration time: APCu allows you to set an expiration time for cache items so that they automatically expire after a specified time.
Spring Boot performance optimization tips: create applications as fast as the wind
Feb 25, 2024 pm 01:01 PM
SpringBoot is a popular Java framework known for its ease of use and rapid development. However, as the complexity of the application increases, performance issues can become a bottleneck. In order to help you create a springBoot application as fast as the wind, this article will share some practical performance optimization tips. Optimize startup time Application startup time is one of the key factors of user experience. SpringBoot provides several ways to optimize startup time, such as using caching, reducing log output, and optimizing classpath scanning. You can do this by setting spring.main.lazy-initialization in the application.properties file
How to save video files from browser cache to local
Feb 23, 2024 pm 06:45 PM
How to Export Browser Cache Videos With the rapid development of the Internet, videos have become an indispensable part of people's daily lives. When browsing the web, we often encounter video content that we want to save or share, but sometimes we cannot find the source of the video files because they may only exist in the browser's cache. So, how do you export videos from your browser cache? This article will introduce you to several common methods. First, we need to clarify a concept, namely browser cache. The browser cache is used by the browser to improve user experience.
How to use the Django framework to create a project in PyCharm
Feb 19, 2024 am 08:56 AM
Tips on how to create projects using the Django framework in PyCharm, requiring specific code examples. Django is a powerful Python Web framework that provides a series of tools and functions for quickly developing Web applications. PyCharm is an integrated development environment (IDE) developed in Python, which provides a series of convenient functions and tools to increase development efficiency. Combining Django and PyCharm makes it faster and more convenient to create projects
