晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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package URI::mailto; # RFC 2368
use strict;
use warnings;
our $VERSION = '1.73';
$VERSION = eval $VERSION;
use parent qw(URI URI::_query);
sub to
{
my $self = shift;
my @old = $self->headers;
if (@_) {
my @new = @old;
# get rid of any other to: fields
for (my $i = 0; $i < @new; $i += 2) {
if (lc($new[$i] || '') eq "to") {
splice(@new, $i, 2);
redo;
}
}
my $to = shift;
$to = "" unless defined $to;
unshift(@new, "to" => $to);
$self->headers(@new);
}
return unless defined wantarray;
my @to;
while (@old) {
my $h = shift @old;
my $v = shift @old;
push(@to, $v) if lc($h) eq "to";
}
join(",", @to);
}
sub headers
{
my $self = shift;
# The trick is to just treat everything as the query string...
my $opaque = "to=" . $self->opaque;
$opaque =~ s/\?/&/;
if (@_) {
my @new = @_;
# strip out any "to" fields
my @to;
for (my $i=0; $i < @new; $i += 2) {
if (lc($new[$i] || '') eq "to") {
push(@to, (splice(@new, $i, 2))[1]); # remove header
redo;
}
}
my $new = join(",",@to);
$new =~ s/%/%25/g;
$new =~ s/\?/%3F/g;
$self->opaque($new);
$self->query_form(@new) if @new;
}
return unless defined wantarray;
# I am lazy today...
URI->new("mailto:?$opaque")->query_form;
}
1;