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HomeBackend DevelopmentPHP TutorialThe difference between PHP redirection and pseudo-static

伪静态是SEO重要的方法,通过重定向来实现,并且可以通过重定向来隐藏网站的技术,过滤异常访问。本课分为两部分,前半部分详细介绍Apache重定向的基础知识,后半部分通过多个实际案例再次加深对重定向的理解,并且会演示各种重定向设置后的实际效果。

什么是伪静态

伪静态是相对真静态来讲
伪静态只是把URL改成静态形式,实际上还是动态网页
伪静态有着真静态一样的SEO

什么是重定向(很常用重点学习)

将网络请求重新定一个方向,转到别的位置
分为内部和外部,区别是外部重定向时,浏览器地址栏中的URL会发生变化
http原本就支持重定向3XX
使用重定向技术实现伪静态

重定向的环境搭建

安装web服务器(apache/nginx)
加载mod_rewrite.so模块

重定向实现方式(主要有3种)

通过配置WEB服务器主配置 (生产环境)
通过.htaccess (开发环境)
通过脚本实现(外部重定向)

.htaccess重定向实现步骤

第一步:在apache主配置文件里配置allowOverride All(重启)
第二步:在.htaccess文件里配置

RewriteEngine on 
RewriteRule ^(.*)\.html$ $1.php  //匹配html改成php

WEB服务器主配置实现重定向

直接在Apache配置文件中找到是web项目地址的加上下面代码:

RewriteEngine on 
RewriteRule ^(.*)\.html$ $1.php  //匹配html改成php

RewriteRule语法说明

RewriteRule 匹配模式 替换的URL [flags]
匹配模式支持Prel格式的正则表达式与rewrite变量
替换的URL支持匹配模式的结果与rewrite变量
多个flags用逗号隔开(例如:[R=301,C])

RewriteRule flags说明

R 强制外部重定向,浏览器地址栏url会发生变化,301永久重定向,302临时重定向,例子:[R=301],[R](代表301)
C 链接下一条规则,如果有多条规则的话,则当前加[C]的规则与下条规则成为一个整体,第一天不匹配,那么下一条就不进入
L 停止匹配后面的规则,如果有多条规则的话,当加[L]的规则匹配后,则停止后面规则的匹配
NE 不对URL的特殊字符进行转义
NC 不区分大小写
G 请求的网页失效,服务器返回410
QSA 用于在url中截取查询字符串

更多PHP重定向与伪静态区别相关文章请关注PHP中文网!

相关文章:

有关php页面重定向的三种方法

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给网站外链进行重定向跳转

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