Nginx实现url请求不区分大小写

若是你将跑在Windows下的项目(如:php)迁移到Linux下,因为Windows操做系统中,文件名是不区分大小写的;而Linux系统是大小写敏感,会致使有些网页出现404状况。 php

解决方法有大概4种:
一、 url rewrite
二、 perl模块
三、 lua模块
四、 ngx_http_lower_upper_case html

第一种方法适用于有规则的或者较少的url须要转换,若是有大量并没有规则的请用下面几种方法 linux

第2、3、四种方法前提是Linux系统本地文件是小写,原理是将url请求转换成小写来处理 nginx

perl模块不推荐!Nginx官网已申明perl模块存在内存漏洞的可能),方法以下(《lnmp一键安装包》安装后执行下面): git

cd lnmp/src/nginx-1.4.4
make clean #清除已经编译出的nginx
# /usr/local/nginx/sbin/nginx -V #获取已编译参数
nginx version: nginx/1.4.4
built by gcc 4.4.7 20120313 (Red Hat 4.4.7-3) (GCC)
TLS SNI support enabled
configure arguments: --prefix=/usr/local/nginx --user=www --group=www --with-http_stub_status_module --with-http_ssl_module --with-http_flv_module --with-http_gzip_static_module --with-ld-opt='-ljemalloc'

在已经编译的参数后面加上 –with-http_perl_module ,以下: github

./configure --prefix=/usr/local/nginx --user=www --group=www --with-http_stub_status_module \ --with-http_ssl_module --with-http_flv_module --with-http_gzip_static_module --with-ld-opt='-ljemalloc' \ --with-http_perl_module

可能会报以下错误: shell

Can't locate ExtUtils/Embed.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .). BEGIN failed--compilation aborted. ./configure: error: perl module ExtUtils::Embed is required

解决方法(CentOS): ui

yum -y install perl-devel perl-ExtUtils-Embed

再次编译: lua

make clean ./configure --prefix=/usr/local/nginx --user=www --group=www --with-http_stub_status_module \ --with-http_ssl_module --with-http_flv_module --with-http_gzip_static_module --with-ld-opt='-ljemalloc' \ --with-http_perl_module make cp /usr/local/nginx/sbin/nginx /usr/local/nginx/sbin/nginx$(date +%m%d)#备份nginx原文件 service nginx stop make install #直接安装,若是只覆盖nginx,会有报错/usr/local/nginx/sbin/nginx -t

修改配置主文件(/usr/local/nginx/conf/nginx.conf): url

 perl_set $url ' sub { my $r = shift; my $re = lc($r->uri); return $re; } ';

修改虚拟主机配置文件(如:/usr/local/nginx/conf/vhost/demo.linuxeye.com.conf):

if($uri ~[A-Z]){ rewrite ^(.*)$ $url last;}

lua模块(推荐!)
lua-nginx-module来自大牛agentzh的开源项目,在Nginx中嵌入Lua语言,使之能够支持强大Lua语法,以下:

cd lnmp/src wget http://luajit.org/download/LuaJIT-2.0.2.tar.gz wget https://github.com/simpl/ngx_devel_kit/archive/v0.2.19.tar.gz #ngx_devel_kit wget https://github.com/chaoslawful/lua-nginx-module/archive/v0.9.2.tar.gz #nginx_lua_module tar xzf LuaJIT-2.0.2.tar.gz tar xzf v0.2.19.tar.gz tar xzf v0.9.2.tar.gz cd LuaJIT-2.0.2 make && make install export LUAJIT_LIB=/usr/local/lib export LUAJIT_INC=/usr/local/include/luajit-2.0
cd nginx-1.4.4 make clean #清除已经编译出的nginx # /usr/local/nginx/sbin/nginx -V #获取已编译参数 nginx version: nginx/1.4.4 built by gcc 4.4.720120313(RedHat4.4.7-3)(GCC) TLS SNI support enabled configure arguments:--prefix=/usr/local/nginx --user=www --group=www --with-http_stub_status_module --with-http_ssl_module --with-http_flv_module --with-http_gzip_static_module --with-ld-opt='-ljemalloc'

从新编译Nginx

./configure --prefix=/usr/local/nginx --user=www --group=www --with-http_stub_status_module \
--with-http_ssl_module --with-http_flv_module --with-http_gzip_static_module --with-ld-opt=-ljemalloc \
--add-module=../lua-nginx-module-0.9.2 --add-module=../ngx_devel_kit-0.2.19
make
cp /usr/local/nginx/sbin/nginx /usr/local/nginx/sbin/nginx$(date +%m%d)    #备份nginx原文件
service nginx stop 
make install #直接安装,若是只覆盖nginx,可能会报错
ldconfig #从新读取库文件,不然报错
/usr/local/nginx/sbin/nginx -t

修改配置文件(如:/usr/local/nginx/conf/vhost/demo.linuxeye.com.conf):

location / {
        if ($uri ~ [A-Z]){
                rewrite_by_lua 'return ngx.redirect(string.lower(ngx.var.uri),ngx.HTTP_MOVED_PERMANENTLY)';
                }
        }

ngx_http_lower_upper_case模块
参考:https://github.com/replay/ngx_http_lower_upper_case

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