<?php
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/**
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* 调查程序
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*/
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define('IN_ECS', true);
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require(dirname(__FILE__) . '/includes/init.php');
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require(ROOT_PATH . 'includes/cls_json.php');
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if (!isset($_REQUEST['vote']) || !isset($_REQUEST['options']) || !isset($_REQUEST['type']))
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{
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ecs_header("Location: ./\n");
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exit;
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}
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$res = array('error' => 0, 'message' => '', 'content' => '');
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$vote_id = intval($_POST['vote']);
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$options = trim($_POST['options']);
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$type = intval($_POST['type']);
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$ip_address = real_ip();
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if (vote_already_submited($vote_id, $ip_address))
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{
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$res['error'] = 1;
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$res['message'] = $_LANG['vote_ip_same'];
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}
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else
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{
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save_vote($vote_id, $ip_address, $options);
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$vote = get_vote($vote_id);
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if (!empty($vote))
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{
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$smarty->assign('vote_id', $vote['id']);
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$smarty->assign('vote', $vote['content']);
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}
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$str = $smarty->fetch("library/vote.lbi");
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$pattern = '/(?:<(\w+)[^>]*> .*?)?<div\s+id="ECS_VOTE">(.*)<\/div>(?:.*?<\/\1>)?/is';
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if (preg_match($pattern, $str, $match))
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{
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$res['content'] = $match[2];
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}
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$res['message'] = $_LANG['vote_success'];
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}
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$json = new JSON;
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echo $json->encode($res);
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/*------------------------------------------------------ */
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//-- PRIVATE FUNCTION
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/*------------------------------------------------------ */
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/**
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* 检查是否已经提交过投票
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*
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* @access private
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* @param integer $vote_id
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* @param string $ip_address
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* @return boolean
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*/
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function vote_already_submited($vote_id, $ip_address)
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{
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$sql = "SELECT COUNT(*) FROM ".$GLOBALS['ecs']->table('vote_log')." ".
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"WHERE ip_address = '$ip_address' AND vote_id = '$vote_id' ";
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return ($GLOBALS['db']->GetOne($sql) > 0);
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}
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/**
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* 保存投票结果信息
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*
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* @access public
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* @param integer $vote_id
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* @param string $ip_address
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* @param string $option_id
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* @return void
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*/
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function save_vote($vote_id, $ip_address, $option_id)
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{
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$sql = "INSERT INTO " . $GLOBALS['ecs']->table('vote_log') . " (vote_id, ip_address, vote_time) " .
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"VALUES ('$vote_id', '$ip_address', " . gmtime() .")";
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$res = $GLOBALS['db']->query($sql);
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/* 更新投票主题的数量 */
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$sql = "UPDATE " .$GLOBALS['ecs']->table('vote'). " SET ".
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"vote_count = vote_count + 1 ".
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"WHERE vote_id = '$vote_id'";
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$GLOBALS['db']->query($sql);
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/* 更新投票选项的数量 */
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$sql = "UPDATE " . $GLOBALS['ecs']->table('vote_option') . " SET " .
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"option_count = option_count + 1 " .
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"WHERE " . db_create_in($option_id, 'option_id');
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$GLOBALS['db']->query($sql);
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}
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?>
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