PHP_OS, 'php' => PHP_VERSION, 'upload_max_filesize' => get_cfg_var("upload_max_filesize") ? get_cfg_var("upload_max_filesize") : "不允许上传附件", 'max_execution_time' => get_cfg_var("max_execution_time") . "秒 ", ]; if (empty($key)) { return $system; } else { return $system[$key]; } } //获取url参数 function get_params($key = "") { return Request::instance()->param($key); } //生成一个不会重复的字符串 function make_token() { $str = md5(uniqid(md5(microtime(true)), true)); $str = sha1($str); //加密 return $str; } //随机字符串，默认长度10 function set_salt($num = 10) { $str = 'qwertyuiopasdfghjklzxcvbnm1234567890'; $salt = substr(str_shuffle($str), 10, $num); return $salt; } //密码加密 function set_password($pwd, $salt) { return md5(md5($pwd . $salt) . $salt); } /** * 截取文章摘要 * @return bool */ function get_desc_content($content, $count) { $content = preg_replace("@@is", "", $content); $content = preg_replace("@@is", "", $content); $content = preg_replace("@@is", "", $content); $content = preg_replace("@<(.*?)>@is", "", $content); $content = str_replace(PHP_EOL, '', $content); $space = array(" ", "　", " ", " ", " "); $go_away = array("", "", "", "", ""); $content = str_replace($space, $go_away, $content); $res = mb_substr($content, 0, $count, 'UTF-8'); if (mb_strlen($content, 'UTF-8') > $count) { $res = $res . "..."; } return $res; } /** * PHP格式化字节大小 * @param number $size 字节数 * @param string $delimiter 数字和单位分隔符 * @return string 格式化后的带单位的大小 */ function format_bytes($size, $delimiter = '') { $units = array('B', 'KB', 'MB', 'GB', 'TB', 'PB'); for ($i = 0; $size >= 1024 && $i < 5; $i++) { $size /= 1024; } return round($size, 2) . $delimiter . $units[$i]; } /** *数据处理成树形格式1 * @return array */ function list_to_tree($list, $pk = 'id', $pid = 'pid', $child = 'list', $root = 0) { // 创建Tree $tree = array(); if (is_array($list)) { // 创建基于主键的数组引用 $refer = array(); foreach ($list as $key => $data) { $refer[$data[$pk]] = &$list[$key]; } foreach ($list as $key => $data) { // 判断是否存在parent $parentId = $data[$pid]; if ($root == $parentId) { $tree[$data[$pk]] = &$list[$key]; } else { if (isset($refer[$parentId])) { $parent = &$refer[$parentId]; $parent[$child][$data[$pk]] = &$list[$key]; } } } } return $tree; } /** *数据处理成树形格式2 * @return array */ function create_tree_list($pid, $arr, $group, &$tree = []) { foreach ($arr as $key => $vo) { if ($key == 0) { $vo['spread'] = true; } if (!empty($group) and in_array($vo['id'], $group)) { $vo['checked'] = true; } else { $vo['checked'] = false; } if ($vo['pid'] == $pid) { $child = create_tree_list($vo['id'], $arr, $group); if ($child) { $vo['children'] = $child; } $tree[] = $vo; } } return $tree; } //递归排序，用于分类选择 function set_recursion($result, $pid = 0, $level=-1) { /*记录排序后的类别数组*/ static $list = array(); static $space = ['','├─','§§├─','§§§§├─','§§§§§§├─']; $level++; foreach ($result as $k => $v) { if ($v['pid'] == $pid) { if ($pid != 0) { $v['title'] = $space[$level] . $v['title']; } /*将该类别的数据放入list中*/ $list[] = $v; set_recursion($result, $v['id'],$level); } } return $list; } //递归返回树形菜单数据 function get_tree($data, $pId ,$open=0,$deep=0) { $tree = []; foreach($data as $k => $v) { $v['checkArr']=array('type'=>0, 'isChecked'=>0); $v['spread']=true; $v['parentId']=$v['pid']; if($deep>=$open){ $v['spread']=false; } $v['name']=$v['title']; if($v['pid'] == $pId){ //父亲找到儿子 $deep++; $v['children'] = get_tree($data, $v['id'],$open,$deep); $tree[] = $v; //unset($data[$k]); } } return array_values($tree); } /** * 根据id递归返回子数据 * @param $data 数据 * @param $pid 父节点id */ function get_data_node($data=[],$pid=0){ $dep = []; foreach($data as $k => $v){ if($v['pid'] == $pid){ $node=get_data_node($data, $v['id']); array_push($dep,$v); if(!empty($node)){ $dep=array_merge($dep,$node); } } } return array_values($dep); } //访问按小时归档统计 function hour_document($arrData) { $documents = array(); $hour = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23]; foreach ($hour as $val) { $documents[$val] = 0; } foreach ($arrData as $index => $value) { $archivesTime = intval(date("H", $value['create_time'])); $documents[$archivesTime] += 1; } return $documents; } //访问按日期归档统计 function date_document($arrData) { $documents = array(); foreach ($arrData as $index => $value) { $archivesTime = date("Y-m-d", $value['create_time']); if (empty($documents[$archivesTime])) { $documents[$archivesTime] = 1; } else { $documents[$archivesTime] += 1; } } return $documents; } /** * 返回json数据，用于接口 * @param integer $code * @param string $msg * @param array $data * @param string $url * @param integer $httpCode * @param array $header * @param array $options * @return json */ function to_assign($code = 0, $msg = "操作成功", $data = [], $url = '', $httpCode = 200, $header = [], $options = []) { $res = ['code' => $code]; $res['msg'] = $msg; $res['url'] = $url; if (is_object($data)) { $data = $data->toArray(); } $res['data'] = $data; $response = \think\Response::create($res, "json", $httpCode, $header, $options); throw new \think\exception\HttpResponseException($response); } /** * 适配layui table数据列表的返回数据方法，用于接口 * @param integer $code * @param string $msg * @param array $data * @param integer $httpCode * @param array $header * @param array $options * @return json */ function table_assign($code = 0, $msg = '请求成功', $data = [], $httpCode = 200, $header = [], $options = []) { $res['code'] = $code; $res['msg'] = $msg; if (is_object($data)) { $data = $data->toArray(); } if (!empty($data['total'])) { $res['count'] = $data['total']; } else { $res['count'] = 0; } $res['data'] = $data['data']; $response = \think\Response::create($res, "json", $httpCode, $header, $options); throw new \think\exception\HttpResponseException($response); } /** * 时间戳格式化 * @param int $time * @param string $format 默认'Y-m-d H:i'，x代表毫秒 * @return string 完整的时间显示 */ function time_format($time = NULL, $format = 'Y-m-d H:i:s') { $usec = $time = $time === null ? '' : $time; if (strpos($time, '.')!==false) { list($usec, $sec) = explode(".", $time); } else { $sec = 0; } return $time != '' ? str_replace('x', $sec, date($format, intval($usec))) : ''; } function parseDateTime($string, $timeZone=null) { $date = new DateTime( $string, $timeZone ? $timeZone : new DateTimeZone('UTC') ); if ($timeZone) { $date->setTimezone($timeZone); } return $date; } function stripTime($datetime) { return new DateTime($datetime->format('Y-m-d')); } /** * 间隔时间段格式化 * @param int $time 时间戳 * @param string $format 格式 【d：显示到天 i显示到分钟 s显示到秒】 * @return string */ function time_trans($time, $format = 'd') { $now = time(); $diff = $now - $time; if ($diff < 60) { return '1分钟前'; } else if ($diff < 3600) { return floor($diff / 60) . '分钟前'; } else if ($diff < 86400) { return floor($diff / 3600) . '小时前'; } $yes_start_time = strtotime(date('Y-m-d 00:00:00', strtotime('-1 days'))); //昨天开始时间 $yes_end_time = strtotime(date('Y-m-d 23:59:59', strtotime('-1 days'))); //昨天结束时间 $two_end_time = strtotime(date('Y-m-d 23:59:59', strtotime('-2 days'))); //2天前结束时间 $three_end_time = strtotime(date('Y-m-d 23:59:59', strtotime('-3 days'))); //3天前结束时间 $four_end_time = strtotime(date('Y-m-d 23:59:59', strtotime('-4 days'))); //4天前结束时间 $five_end_time = strtotime(date('Y-m-d 23:59:59', strtotime('-5 days'))); //5天前结束时间 $six_end_time = strtotime(date('Y-m-d 23:59:59', strtotime('-6 days'))); //6天前结束时间 $seven_end_time = strtotime(date('Y-m-d 23:59:59', strtotime('-7 days'))); //7天前结束时间 if ($time > $yes_start_time && $time < $yes_end_time) { return '昨天'; } if ($time > $yes_start_time && $time < $two_end_time) { return '1天前'; } if ($time > $yes_start_time && $time < $three_end_time) { return '2天前'; } if ($time > $yes_start_time && $time < $four_end_time) { return '3天前'; } if ($time > $yes_start_time && $time < $five_end_time) { return '4天前'; } if ($time > $yes_start_time && $time < $six_end_time) { return '5天前'; } if ($time > $yes_start_time && $time < $seven_end_time) { return '6天前'; } switch ($format) { case 'd': $show_time = date('Y-m-d', $time); break; case 'i': $show_time = date('Y-m-d H:i', $time); break; case 's': $show_time = date('Y-m-d H:i:s', $time); break; } return $show_time; } /** * 判断是否是手机浏览器 * @return bool */ function is_mobile() { if (isset($_SERVER['HTTP_VIA']) && stristr($_SERVER['HTTP_VIA'], "wap")) { return true; } elseif (isset($_SERVER['HTTP_ACCEPT']) && strpos(strtoupper($_SERVER['HTTP_ACCEPT']), "VND.WAP.WML")) { return true; } elseif (isset($_SERVER['HTTP_X_WAP_PROFILE']) || isset($_SERVER['HTTP_PROFILE'])) { return true; } elseif (isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/(blackberry|configuration\/cldc|hp |hp-|htc |htc_|htc-|iemobile|kindle|midp|mmp|motorola|mobile|nokia|opera mini|opera |Googlebot-Mobile|YahooSeeker\/M1A1-R2D2|android|iphone|ipod|mobi|palm|palmos|pocket|portalmmm|ppc;|smartphone|sonyericsson|sqh|spv|symbian|treo|up.browser|up.link|vodafone|windows ce|xda |xda_)/i', $_SERVER['HTTP_USER_AGENT'])) { return true; } else { return false; } } /** * 验证输入的邮件地址是否合法 * @param $user_email 邮箱 * @return bool */ function is_email($user_email) { $chars = "/^([a-z0-9+_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,6}\$/i"; if (strpos($user_email, '@') !== false && strpos($user_email, '.') !== false) { if (preg_match($chars, $user_email)) { return true; } else { return false; } } else { return false; } } /** * 验证输入的手机号码是否合法 * @param $mobile_phone 手机号 * @return bool */ function is_mobile_phone($mobile_phone) { $chars = "/^13[0-9]{1}[0-9]{8}$|15[0-9]{1}[0-9]{8}$|18[0-9]{1}[0-9]{8}$|17[0-9]{1}[0-9]{8}$/"; if (preg_match($chars, $mobile_phone)) { return true; } return false; }