How to use Nginx's map instruction to achieve page jump

Implementation method

Add map directive rules in the http domain of nginx.conf, which contains a url rule mapping file:

# 设置301跳转
map $request_uri $new {
 include /etc/nginx/redirect.map;
}

map The command supports the introduction of a mapping file. The content format of the redirect.map file here is as follows:

~^/page/mordern-php$ /page/modern-php;

Currently only one line is added as a test, the front can be Regular expression, followed by the new url to jump to, and each line ends with a semicolon.

Since the website has https enabled, in the server block that listens to port 443, add the following rule before the location statement:

if ($new) {
 rewrite ^ https://www.tanteng.me$new redirect;
}

This statement means If the url matches the rule in redirect.map, jump to the new url rule.

Restart the nginx service and you can see the effect.

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