#!/usr/bin/env perl
use strict;
use warnings;
use utf8;
use FindBin;
use lib "$FindBin::Bin/../lib";
use Plack::Request::WithEncoding;
my $app_or_middleware = sub {
my $env = shift; # PSGI env
# Example of $env
#
# $env = {
# QUERY_STRING => 'query=%82%d9%82%b0', # <= encoded by 'cp932'
# REQUEST_METHOD => 'GET',
# HTTP_HOST => 'example.com',
# PATH_INFO => '/foo/bar',
# };
my $req = Plack::Request::WithEncoding->new($env);
$req->env->{'plack.request.withencoding.encoding'} = 'cp932'; # <= specify the encoding method.
my $query = $req->param('query'); # <= get parameters of 'query' that is decoded by 'cp932'.
my $res = $req->new_response(200); # new Plack::Response
$res->finalize;
};