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Nginx实现url请求不区分大小写
发布日期:2017-02-27
如果你将跑在Windows下的项目(如:php)迁移到Linux下,由于Windows操作系统中,文件名是不区分大小写的;而Linux系统是大小写敏感,会导致有些网页出现404情况。
解决方法有大概4种:
- url rewrite
- perl模块
- lua模块
- ngx_http_lower_upper_case
第一种方法适用于有规则的或者较少的url需要转换,如果有大量并无规则的请用下面几种方法
第二、三、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
perl模块,方法如下(《lnmp一键安装包》安装后执行下面):
- 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 ,如下:
- ./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
可能会报如下错误:
- 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):
- yum -y install perl-devel perl-ExtUtils-Embed
再次编译:
- 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,如果只覆盖nginx,会有报错
- /usr/local/nginx/sbin/nginx -t
修改配置主文件(/usr/local/nginx/conf/nginx.conf):
- perl_set $url ‘
- sub {
- my $r = shift;
- my $re = lc($r->uri);
- return $re;
- }
- ‘;
修改虚拟主机配置文件(如:/usr/local/nginx/conf/vhost/demo.trustauth.cn.conf):
- if ($uri ~ [A-Z]){
- rewrite ^(.*)$ $url last;
- }
lua模块
lua-nginx-module来自大牛agentzh的开源项目,在Nginx中嵌入Lua语言,使之可以支持强大Lua语法,如下:
- cd lnmp/src
- wget https://github.com/simpl/ngx_devel_kit/archive/v0.2.19.tar.gz #ngx_devel_kit
- wget https://github.com/chaoslawful/lua-nginx-module/archive/v0.9.2.tar.gz #nginx_lua_module
- tar xzf LuaJIT-2.0.2.tar.gz
- tar xzf v0.2.19.tar.gz
- tar xzf v0.9.2.tar.gz
- cd LuaJIT-2.0.2
- make && make install
- export LUAJIT_LIB=/usr/local/lib
- export LUAJIT_INC=/usr/local/include/luajit-2.0
- cd nginx-1.4.4
- make clean #清除已经编译出的nginx
- # /usr/local/nginx/sbin/nginx -V #获取已编译参数
- nginx version: nginx/1.4.4
- built by gcc 4.4.7 20120313 (Red Hat 4.4.7-3) (GCC)
- TLS SNI support enabled
- configure arguments: –prefix=/usr/local/nginx –user=www –group=www –with-http_stub_status_module –with-http_ssl_module –with-http_flv_module –with-http_gzip_static_module –with-ld-opt=‘-ljemalloc’
重新编译Nginx:
- ./configure –prefix=/usr/local/nginx –user=www –group=www –with-http_stub_status_module \
- –with-http_ssl_module –with-http_flv_module –with-http_gzip_static_module –with-ld-opt=-ljemalloc \
- –add-module=../lua-nginx-module-0.9.2 –add-module=../ngx_devel_kit-0.2.19
- make
- cp /usr/local/nginx/sbin/nginx /usr/local/nginx/sbin/nginx$(date +%m%d) #备份nginx原文件
- service nginx stop
- make install #直接安装,如果只覆盖nginx,可能会报错
- ldconfig #重新读取库文件,否则报错
- /usr/local/nginx/sbin/nginx -t
修改配置文件(如:/usr/local/nginx/conf/vhost/demo.trustauth.cn.conf):
- location / {
- if ($uri ~ [A-Z]){
- rewrite_by_lua ‘return ngx.redirect(string.lower(ngx.var.uri),ngx.HTTP_MOVED_PERMANENTLY)’;
- }
- }
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