Rack：如何将URL存储为变量？

我正在写一个简单的静态Rack应用程序。 查看下面的config.ru代码：

use Rack::Static, :urls => ["/elements", "/img", "/pages", "/users", "/css", "/js"], :root => "archive" map '/' do run Proc.new { |env| [ 200, { 'Content-Type' => 'text/html', 'Cache-Control' => 'public, max-age=6400' }, File.open('archive/splash.html', File::RDONLY) ] } end map '/pages/search.html' do run Proc.new { |env| [ 200, { 'Content-Type' => 'text/html', 'Cache-Control' => 'public, max-age=6400' }, File.open('archive/pages/search.html', File::RDONLY) ] } end map '/pages/user.html' do run Proc.new { |env| [ 200, { 'Content-Type' => 'text/html', 'Cache-Control' => 'public, max-age=6400' }, File.open('archive/pages/user.html', File::RDONLY) ] } end # Each map section is repeated for each HTML page served 

我想通过将URL存储为变量并创建一个说明的地图部分来简化这一过程

 map url do run Proc.new { |env| [ 200, { 'Content-Type' => 'text/html', 'Cache-Control' => 'public, max-age=6400' }, File.open('archive' + url, File::RDONLY) ] } end 

如何正确设置此url变量？

Answer 1

你不应该需要地图部分。

 run Proc.new { |env| [ 200, { 'Content-Type' => 'text/html', 'Cache-Control' => 'public, max-age=6400' }, File.open( 'archive' + env['PATH_INFO'], File::RDONLY) ] } 

Answer 2

怎么样：

 static_page_mappings = { '/' => 'archive/splash.html', '/pages/search.html' => 'archive/pages/search.html' '/pages/user.html' => 'archive/pages/user.html', } static_page_mappings.each do |req, file| map req do run Proc.new { |env| [ 200, { 'Content-Type' => 'text/html', 'Cache-Control' => 'public, max-age=6400', }, File.open(file, File::RDONLY) ] } end end