帝国cms插件 二次开发搜索支持多关键字

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function SearchDoKeyboardVar($keyboard){

        $keyboard=RepPostVar2(trim($keyboard));

        $keyboard=str_replace('  ','',$keyboard);

        return $keyboard;

}

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function SearchDoKeyboardVar($keyboard){

        $keyboard=RepPostVar2(trim($keyboard));

        //$keyboard=str_replace('  ','',$keyboard);

/*xuan 搜索关键字优化*/

$keyboard=preg_replace('/[s]+/s', ' ', $keyboard);

/*xuan 搜索关键字优化*/

        return $keyboard;

}