Nginx主机中HTTP 301跳转到带www的域名的方法

发布日期：2022-06-15 09:36 | 文章来源：gibhub

从nginx的官方文档 documentation, 正确的nginx https 301跳转到带www域名方法的方法如下：

HTTP 301跳转到带www域名方法

复制代码代码如下:

server {
listen 80;
server_name example.org;
return 301 http://www.example.org$request_uri;
}

server {
listen 80;
server_name www.example.org;
...
}

HTTPS 301跳转到带www域名方法

复制代码代码如下:

 server {
 listen 80;
 server_name www.domain.com;
 // $scheme will get the http protocol
 // and 301 is best practice for tablet, phone, desktop and seo
 return 301 $scheme://domain.com$request_uri;
 }
 
 server {
 listen 80;
 server_name domain.com;
 // here goes the rest of your config file
 // example 
 location / {
 
 rewrite ^/cp/login?$ /cp/login.php last;
 // etc etc...
 
 }
 }

要先用 nginx -v 命令检查你所说使用的nginx的版本. 下面是对于旧版本的nginx301跳转到带www域名方法从www.ksharpdabu.info 跳转到 ksharpdabu.info

复制代码代码如下:

server {
server_name www.domain.com;
rewrite ^(.*) http://domain.com$1 permanent;
}

server {
server_name domain.com;
#The rest of your configuration goes here#
}

所以需要两个server段。

从ksharpdabu.info 跳转到 www.ksharpdabu.info

复制代码代码如下:

server {
server_name domain.com;
rewrite ^(.*) http://www.domain.com$1 permanent;
}

server {
server_name www.domain.com;
#The rest of your configuration goes here#
}

按上面设置后，用rewrite的方法跳转到指定的域名下，利于SEO
下面是我举例，从www.google.com 跳转到 google.com的部分nginx配置内容:

复制代码代码如下:

server {
 server_name www.google.com;
 rewrite ^(.*) http://google.com$1 permanent;
 }
 server {
 listen 80;
 server_name google.com;
 index index.php index.html;
 ####
 # now pull the site from one directory #
 root /var/www/www.google.com/web;
 # done #
 location = /favicon.ico {
 log_not_found off;
 access_log off;
 }
 }

网上还有一种不用rewirte的方法，如下：

复制代码代码如下:

server {
#listen 80 is default
server_name www.example.com;
return 301 $scheme://example.com$request_uri;
}

server {
#listen 80 is default
server_name example.com;
## here goes the rest of your conf...
}

因为return可以用于所有的版本，而rewrite可能因为版本的不同，导致301出错。而且可以直接停止执行匹配和搜索。

下面包含了http和https的。同一个主机。

复制代码代码如下:

server {
listen 80;
listen 443 ssl;
server_name www.example.com;
return 301 $scheme://example.com$request_uri;
}

server {
listen 80;
listen 443 ssl;
server_name example.com;
# rest goes here...
}

$scheme 变量只会包含http 如果你的主机只监听80端口(默认是80端口)同时监听的选项中不含ssl关键字 . 不适用这个变量，就不能获得你所想的要的跳转结果。

将所有http强制跳到https， SSL (personal config on UNIX with IPv4, IPv6, SPDY, ...):

复制代码代码如下:

#
# Redirect all www to non-www
#
server {
server_name www.example.com;
ssl_certificate ssl/example.com/crt;
ssl_certificate_key ssl/example.com/key;
listen *:80;
listen *:443 ssl spdy;
listen [::]:80 ipv6only=on;
listen [::]:443 ssl spdy ipv6only=on;

return 301 https://example.com$request_uri;
}

#
# Redirect all non-encrypted to encrypted
#
server {
server_name example.com;
listen *:80;
listen [::]:80;

return 301 https://example.com$request_uri;
}

#
# There we go!
#
server {
server_name example.com;
ssl_certificate ssl/example.com/crt;
ssl_certificate_key ssl/example.com/key;
listen *:443 ssl spdy;
listen [::]:443 ssl spdy;

# rest goes here...
}

#
# Redirect all www to non-www
#
server {
server_name www.example.com;
ssl_certificate ssl/example.com/crt;
ssl_certificate_key ssl/example.com/key;
listen *:80;
listen *:443 ssl spdy;
listen [::]:80 ipv6only=on;
listen [::]:443 ssl spdy ipv6only=on;

return 301 https://example.com$request_uri;
}

#
# Redirect all non-encrypted to encrypted
#
server {
server_name example.com;
listen *:80;
listen [::]:80;

return 301 https://example.com$request_uri;
}

#
# There we go!
#
server {
server_name example.com;
ssl_certificate ssl/example.com/crt;
ssl_certificate_key ssl/example.com/key;
listen *:443 ssl spdy;
listen [::]:443 ssl spdy;

# rest goes here...
}

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