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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<?php
//
// +-----------------------------------------------------------------------+
// | Copyright (c) 2002, Alexander Radivanovich |
// | All rights reserved. |
// | |
// | Redistribution and use in source and binary forms, with or without |
// | modification, are permitted provided that the following conditions |
// | are met: |
// | |
// | o Redistributions of source code must retain the above copyright |
// | notice, this list of conditions and the following disclaimer. |
// | o Redistributions in binary form must reproduce the above copyright |
// | notice, this list of conditions and the following disclaimer in the |
// | documentation and/or other materials provided with the distribution.|
// | o The names of the authors may not be used to endorse or promote |
// | products derived from this software without specific prior written |
// | permission. |
// | |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
// | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
// | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
// | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
// | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
// | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
// | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
// | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
// | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
// | |
// +-----------------------------------------------------------------------+
// | Author: Alexander Radivanovich <info@wwwlab.net> |
// +-----------------------------------------------------------------------+
//
//ob_start(); //-- For easy debugging --//
require_once 'PEAR.php';
require_once 'HTTP/Session2.php';
ini_set('error_reporting', E_ALL);
ini_set('display_errors', 1);
//PEAR::setErrorHandling(PEAR_ERROR_DIE);
/*
HTTP_Session2::setContainer(
'DB',
array(
'dsn' => 'mysql://root@localhost/database',
'table' => 'sessiondata'
)
);
*/
HTTP_Session2::useCookies(true);
HTTP_Session2::start('SessionID', uniqid('MyID'));
?>
<html>
<head>
<style>
body, td {
font-family: Verdana, Arial, sans-serif;
font-size: 11px;
}
A:link { color:#003399; text-decoration: none; }
A:visited { color:#6699CC; text-decoration: none; }
A:hover { text-decoration: underline; }
</style>
<title>HTTP Session</title>
</head>
<body style="margin: 5px;">
<?php
/*
if (!isset($variable)) {
$variable = 0;
echo("The variable wasn't previously set<br>\n");
} else {
$variable++;
echo("Yes, it was set already<br>\n");
}
*/
switch (@$_GET['action']) {
case 'setvariable':
HTTP_Session2::set('variable', 'Test string');
//HTTP_Session2::register('variable');
break;
case 'unsetvariable':
HTTP_Session2::set('variable', null);
//HTTP_Session2::unregister('variable');
break;
case 'clearsession':
HTTP_Session2::clear();
break;
case 'destroysession':
HTTP_Session2::destroy();
break;
}
HTTP_Session2::setExpire(60);
HTTP_Session2::setIdle(5);
//echo("session_is_registered('variable'): <b>'" . (session_is_registered('variable') ? "<span style='color: red;'>yes</span>" : "no") . "'</b><br>\n");
//echo("isset(\$GLOBALS['variable']): <b>'" . (isset($GLOBALS['variable']) ? "<span style='color: red;'>yes</span>" : "no") . "'</b><br>\n");
echo("------------------------------------------------------------------<br>\n");
echo("Session name: <b>'" . HTTP_Session2::name() . "'</b><br>\n");
echo("Session id: <b>'" . HTTP_Session2::id() . "'</b><br>\n");
echo("Is new session: <b>'" . (HTTP_Session2::isNew() ? "<span style='color: red;'>yes</span>" : "no") . "'</b><br>\n");
echo("Is expired: <b>'" . (HTTP_Session2::isExpired() ? "<span style='color: red;'>yes</span>" : "no") . "'</b><br>\n");
echo("Is idle: <b>'" . (HTTP_Session2::isIdle() ? "<span style='color: red;'>yes</span>" : "no") . "'</b><br>\n");
//echo("Variable: <b>'" . HTTP_Session2::get('variable') . "'</b><br>\n");
echo("Session valid thru: <b>'" . (HTTP_Session2::sessionValidThru() - time()) . "'</b><br>\n");
echo("------------------------------------------------------------------<br>\n");
if (HTTP_Session2::isNew()) {
//HTTP_Session2::set('var', 'value');
//HTTP_Session2::setLocal('localvar', 'localvalue');
//blah blah blah
}
?>
<div style="background-color: #F0F0F0; padding: 15px; margin: 5px;">
<pre>
$_SESSION:
<?php
var_dump($_SESSION);
?>
</pre>
</div>
<?php
HTTP_Session2::updateIdle();
?>
<p><a href="<?php echo $_SERVER['SCRIPT_NAME'] ?>?action=setvariable">Set variable</a></p>
<p><a href="<?php echo $_SERVER['SCRIPT_NAME'] ?>?action=unsetvariable">Unset variable</a></p>
<p><a href="<?php echo $_SERVER['SCRIPT_NAME'] ?>?action=destroysession">Destroy session</a></p>
<p><a href="<?php echo $_SERVER['SCRIPT_NAME'] ?>?action=clearsession">Clear session data</a></p>
<p><a href="<?php echo $_SERVER['SCRIPT_NAME'] ?>">Reload page</a></p>
</body>
</html>