How to use Nginx to implement URL redirection
1. 概述
老话说的好:取乎上,得其中;取乎中,得其下。因此我们不妨把目标定的高一些,去努力,才能得到更好回报。
2. 使用 Nginx 实现 URL 的重定向
2.1 使用场景
我们日常分享一个网站地址时,常常会有这样的效果,同样一个网址,在电脑的浏览器打开,是一种效果,而在手机的浏览器打开,就会展现出另一种更适合手机显示的效果。
通常要达到这样的效果,有两种方式实现:
一、使用自适应的 H5 页面实现,根据窗口宽度的大小,自动调整页面的布局。
二、使用Nginx,依据终端的不同,跳转到不同的页面,电脑打开,跳转到 PC端 使用的网页,手机打开,跳转到 手机端 使用的网页。
今天我们介绍一下第二种方式,是如何实现的。
2.2 单纯的重定向
有些 URL 的重定向,新 URL 不需要继承原 URL 的参数,例如 网站首页,这种情况,在 Nginx 配置文件的 location 中使用 return 302 的方式进行跳转即可。
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2.3 依据原 URL 重定向
另一种情况就是 新 URL 需要继承原 URL 的参数,这种情况就需要使用 rewrite 对 URL 进行改写。
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rewrite 的语法是: rewrite 正则表达式 改写后的URL redirect;
其中 redirect 是 302 临时重定向的意思,也可以使用 permanent 关键字,代表 301 永久重定向。
使用 rewrite 对 URL 进行改写,需要用到 正则表达式 的知识,改写后 URL 中的 $1、$2 代表正则表达式中匹配的第一个字符串和第二个字符串,这里大家可以去了解一下正则表达式,就不细说了。
例子中的正则表达式 (\w+-\w+)|(\?.*)$,可以将原 URL:
重写:这是一个链接,链接地址为 https://www.zhuifengren.com/1001-1223.jsp?v=123456
改写为
https://www.zhuifengren.com/h6-1001-1223-0.html?v=123456
补充:Nginx根据url参数重定向
1.判断url路径
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2. 判断url参数
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需要特别注意的是,由于if语句的不稳定性,nginx并不支持多个if判断,也不支持类似于or的逻辑判断,因此只能采用下文所述的方法。
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