<?php

include '..' . DIRECTORY_SEPARATOR . 'init.php';
include SROOT . 'articleService.class.php';
$article_service = new ArticleService();
$keyword = v('keyword');
if ($keyword && !empty($keyword)) {
    // 替代空格,换行,tab,中文空格
    $keyword = preg_replace("/(\\s+)|( +)+/", ' ', $keyword);
    // 去除首尾空格
    $keyword = preg_replace("/(^\\s*)|(\\s*\$)/", "", $keyword);
    // 枚举关键字
    $keywords = explode(' ', $keyword);
    $article_list = $article_service->search($keywords, v('cid') ? v('cid') : null);
} else {
    send_result(0, 'no keyword');
}
if ($article_list) {
    send_result(1, $article_list);
} else {
    send_result(0, 'empty data');
}