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application/common.php

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+<?php
+// +----------------------------------------------------------------------
+// | likeshop100%开源免费商用商城系统
+// +----------------------------------------------------------------------
+// | 欢迎阅读学习系统程序代码，建议反馈是我们前进的动力
+// | 开源版本可自由商用，可去除界面版权logo
+// | 商业版本务必购买商业授权，以免引起法律纠纷
+// | 禁止对系统程序代码以任何目的，任何形式的再发布
+// | gitee下载：https://gitee.com/likeshop_gitee
+// | github下载：https://github.com/likeshop-github
+// | 访问官网：https://www.likeshop.cn
+// | 访问社区：https://home.likeshop.cn
+// | 访问手册：http://doc.likeshop.cn
+// | 微信公众号：likeshop技术社区
+// | likeshop团队 版权所有 拥有最终解释权
+// +----------------------------------------------------------------------
+// | author: likeshopTeam
+// +----------------------------------------------------------------------
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: 流年 <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+
+// 应用公共文件
+use think\Db;
+
+/**
+ * User: 意象信息科技 lr
+ * Desc:debug专用
+ */
+function dd()
+{
+    $parameters = func_get_args();
+    if (count($parameters) == 1) {
+        $parameters = $parameters[0];
+    }
+    var_dump($parameters);
+    exit;
+}
+
+/**
+ * User: 意象信息科技 lr
+ * Desc：生成密码密文
+ * @param $plaintext string 明文
+ * @param $salt string 密码盐
+ * @return string
+ */
+function create_password($plaintext, $salt)
+{
+    $salt = md5('y' . $salt . 'x');
+    $salt .= '2020';
+    return md5($plaintext . $salt);
+}
+
+/**
+ * User: 意象信息科技 lr
+ * Desc: 数组成功拼装
+ * @param string $msg
+ * @param array $data
+ * @param int $code
+ * @param int $show
+ * @return array
+ */
+function data_success($msg = '', $data = [], $code = 1, $show = 1)
+{
+    $result = [
+        'code' => $code,
+        'msg' => $msg,
+        'data' => $data,
+        'show' => $show,
+    ];
+    return $result;
+}
+
+/**
+ * User: 意象信息科技 lr
+ * Desc: 组装失败数据
+ * @param string $msg
+ * @param array $data
+ * @param int $code
+ * @param int $show
+ * @return array
+ */
+function data_error($msg = '', $data = [], $code = 0, $show = 1)
+{
+    $result = [
+        'code' => $code,
+        'msg' => $msg,
+        'data' => $data,
+        'show' => $show,
+    ];
+    return $result;
+}
+
+/**
+ * User: 意象信息科技 lr
+ * Desc: 下载文件
+ * @param $url 文件url
+ * @param $save_dir 保存目录
+ * @param $file_name 文件名
+ * @return string
+ */
+function download_file($url, $save_dir, $file_name)
+{
+    if (!file_exists($save_dir)) {
+        mkdir($save_dir, 0775, true);
+    }
+    $file_src = $save_dir . $file_name;
+    file_exists($file_src) && unlink($file_src);
+    $ch = curl_init();
+    curl_setopt($ch, CURLOPT_URL, $url);
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
+    $file = curl_exec($ch);
+    curl_close($ch);
+    $resource = fopen($file_src, 'a');
+    fwrite($resource, $file);
+    fclose($resource);
+    if (filesize($file_src) == 0) {
+        unlink($file_src);
+        return '';
+    }
+    return $file_src;
+}
+
+
+/**
+ * 腾讯地图转百度地图
+ * @param $lat
+ * @param $lng
+ * @return float[]
+ */
+function convert_gcj02_to_bd09($lat, $lng)
+{
+    $x_pi = 3.14159265358979324 * 3000.0 / 180.0;
+    $x = $lng;
+    $y = $lat;
+    $z = sqrt($x * $x + $y * $y) + 0.00002 * sin($y * $x_pi);
+    $theta = atan2($y, $x) + 0.000003 * cos($x * $x_pi);
+    $lng = $z * cos($theta) + 0.0065;
+    $lat = $z * sin($theta) + 0.006;
+    return array('lng' => $lng, 'lat' => $lat);
+}
+
+/**
+ *百度地图坐标距离
+ * @param $lat1
+ * @param $lng1
+ * @param $lat2
+ * @param $lng2
+ * @param int $len_type
+ * @param int $decimal
+ * @return false|float
+ */
+function distance($lat1, $lng1, $lat2, $lng2, $len_type = 1, $decimal = 2)
+{
+    if (empty($lat1) || empty($lng1) || empty($lat2) || empty($lat2)) {
+        return null;
+    }
+    $EARTH_RADIUS = 6378.137;
+    $PI = 3.1415926;
+    $radLat1 = $lat1 * $PI / 180.0;
+    $radLat2 = $lat2 * $PI / 180.0;
+    $a = $radLat1 - $radLat2;
+    $b = ($lng1 * $PI / 180.0) - ($lng2 * $PI / 180.0);
+    $s = 2 * asin(sqrt(pow(sin($a / 2), 2) + cos($radLat1) * cos($radLat2) * pow(sin($b / 2), 2)));
+    $s = $s * $EARTH_RADIUS;
+    $s = round($s * 1000);
+    if ($len_type > 1) {
+        $s /= 1000;
+    }
+    return round($s, $decimal);
+}
+
+
+/**
+ * User: 意象信息科技 lr
+ * Desc: 表单多维数据转换
+ * 例：
+ * 转换前：{"x":0,"a":[1,2,3],"b":[11,22,33],"c":[111,222,3333,444],"d":[1111,2222,3333]}
+ * 转换为：[{"a":1,"b":11,"c":111,"d":1111},{"a":2,"b":22,"c":222,"d":2222},{"a":3,"b":33,"c":3333,"d":3333}]
+ * @param $arr array 表单二维数组
+ * @param $fill boolean fill为false，返回数据长度取最短，反之取最长，空值自动补充
+ * @return array
+ */
+function form_to_linear($arr, $fill = false)
+{
+    $keys = [];
+    $count = $fill ? 0 : PHP_INT_MAX;
+    foreach ($arr as $k => $v) {
+        if (is_array($v)) {
+            $keys[] = $k;
+            $count = $fill ? max($count, count($v)) : min($count, count($v));
+        }
+    }
+    if (empty($keys)) {
+        return [];
+    }
+    $data = [];
+    for ($i = 0; $i < $count; $i++) {
+        foreach ($keys as $v) {
+            $data[$i][$v] = isset($arr[$v][$i]) ? $arr[$v][$i] : null;
+        }
+    }
+    return $data;
+}
+
+/**
+ * 树形结构转线性结构
+ * 例：
+ * 转换前：
+ *[{"n":"a","nn":"aa","sub":[{"n":"b","nn":"bb","sub":[{"n":"c","nn":"cc"}]},{"n":"d","nn":"dd","sub":[{"n":"e","nn":"ee"},{"n":"f","nn":"ff"}]}]}]
+ * 转换后：
+ * [{"n":"a","nn":"aa","id":1,"pid":0},{"n":"b","nn":"bb","id":2,"pid":1},{"n":"c","nn":"cc","id":3,"pid":1},
+ * {"n":"d","nn":"dd","id":4,"pid":1},{"n":"e","nn":"ee","id":5,"pid":3},{"n":"f","nn":"ff","id":6,"pid":3}]
+ * @param array $data 数组
+ * @param string $sub_key_name 树形结构子数组名称
+ * @param string $id_name 自动生成id名称
+ * @param string $parent_id_name 自动生成父类id
+ * @param int $parent_id 此值请勿给参数
+ * @return array
+ */
+function tree_to_linear($data, $sub_key_name = 'sub', $id_name = 'id', $parent_id_name = 'pid', $parent_id = 0)
+{
+    $result = [];
+    $i = 1;
+    foreach ($data as $key => $row) {
+        $row[$id_name] = $i++;
+        $row[$parent_id_name] = $parent_id;
+        $sub = $row[$sub_key_name] ?? null;
+        unset($row[$sub_key_name]);
+        $result[] = $row;
+        if (!empty($sub)) {
+            $child_data = tree_to_linear($sub, $sub_key_name, $id_name, $parent_id_name, $row[$id_name]);
+            foreach ($child_data as $child_row) {
+                $v[$id_name] = $i++;
+                $result[] = $child_row;
+            }
+        }
+    }
+    return $result;
+}
+
+/**
+ * 线性结构转换成树形结构
+ * 转换前：
+ * [{"n":"a","nn":"aa","id":1,"pid":0},{"n":"b","nn":"bb","id":2,"pid":1},{"n":"c","nn":"cc","id":3,"pid":1},
+ * {"n":"d","nn":"dd","id":4,"pid":1},{"n":"e","nn":"ee","id":5,"pid":3},{"n":"f","nn":"ff","id":6,"pid":3}]
+ * 转换后：
+ *[{"n":"a","nn":"aa","sub":[{"n":"b","nn":"bb","sub":[{"n":"c","nn":"cc"}]},{"n":"d","nn":"dd","sub":[{"n":"e","nn":"ee"},{"n":"f","nn":"ff"}]}]}]
+ * @param array $data 线行结构数组
+ * @param string $sub_key_name 自动生成子数组名
+ * @param string $id_name 数组id名
+ * @param string $parent_id_name 数组祖先id名
+ * @param int $parent_id 此值请勿给参数
+ * @return array
+ */
+function linear_to_tree($data, $sub_key_name = 'sub', $id_name = 'id', $parent_id_name = 'pid', $parent_id = 0)
+{
+    $tree = [];
+    foreach ($data as $row) {
+        if ($row[$parent_id_name] == $parent_id) {
+            $temp = $row;
+            $temp[$sub_key_name] = linear_to_tree($data, $sub_key_name, $id_name, $parent_id_name, $row[$id_name]);
+            $tree[] = $temp;
+        }
+    }
+    return $tree;
+}
+
+/**
+ * 多级线性结构排序
+ * 转换前：
+ * [{"id":1,"pid":0,"name":"a"},{"id":2,"pid":0,"name":"b"},{"id":3,"pid":1,"name":"c"},
+ * {"id":4,"pid":2,"name":"d"},{"id":5,"pid":4,"name":"e"},{"id":6,"pid":5,"name":"f"},
+ * {"id":7,"pid":3,"name":"g"}]
+ * 转换后：
+ * [{"id":1,"pid":0,"name":"a","level":1},{"id":3,"pid":1,"name":"c","level":2},{"id":7,"pid":3,"name":"g","level":3},
+ * {"id":2,"pid":0,"name":"b","level":1},{"id":4,"pid":2,"name":"d","level":2},{"id":5,"pid":4,"name":"e","level":3},
+ * {"id":6,"pid":5,"name":"f","level":4}]
+ * @param array $data 线性结构数组
+ * @param string $symbol 名称前面加符号
+ * @param string $name 名称
+ * @param string $id_name 数组id名
+ * @param string $parent_id_name 数组祖先id名
+ * @param int $level 此值请勿给参数
+ * @param int $parent_id 此值请勿给参数
+ * @return array
+ */
+function multilevel_linear_sort($data, $symbol = '', $name = 'name', $id_name = 'id', $parent_id_name = 'pid', $level = 1, $parent_id = 0)
+{
+    $result = [];
+    $this_symbol = '';
+    for ($i = 0; $i < $level; $i++) {
+        $this_symbol .= $symbol;
+    }
+    foreach ($data as $key => $row) {
+        if ($row['pid'] == $parent_id) {
+            $row['level'] = $level;
+            $row[$name] = $this_symbol . $row['name'];
+            $result[] = $row;
+            $pid = $row['id'];
+            unset($data[$key]);
+            $child_data = multilevel_linear_sort($data, $symbol, $name, $id_name, $parent_id_name, ($level + 1), $pid);
+            foreach ($child_data as $child_row) {
+                $result[] = $child_row;
+            }
+        }
+    }
+    return $result;
+}
+
+
+/**
+ * User: 意象信息科技 cjh
+ * Desc: 返回是否有下一页
+ * @param $count 总记录数
+ * @param $page  当前页码
+ * @param $size  每页记录数
+ * @return int
+ */
+function is_more($count, $page, $size)
+{
+
+    $more = 0;
+
+    $last_page = ceil($count / $size);      //总页数、也是最后一页
+
+    if ($last_page && $last_page > $page) {
+        $more = 1;
+    }
+    return $more;
+}
+
+/**
+ * User: 意象信息科技 mjf
+ * Desc: 用时间生成订单编号
+ * @param $table
+ * @param $field
+ * @param string $prefix
+ * @param int $rand_suffix_length
+ * @param array $pool
+ * @return string
+ * @throws \think\db\exception\DataNotFoundException
+ * @throws \think\db\exception\ModelNotFoundException
+ * @throws \think\exception\DbException
+ */
+function createSn($table, $field, $prefix = '', $rand_suffix_length = 4, $pool = [])
+{
+    $suffix = '';
+    for ($i = 0; $i < $rand_suffix_length; $i++) {
+        if (empty($pool)) {
+            $suffix .= rand(0, 9);
+        } else {
+            $suffix .= $pool[array_rand($pool)];
+        }
+    }
+    $sn = $prefix . date('YmdHis') . $suffix;
+    if (Db::name($table)->where($field, $sn)->find()) {
+        return createSn($table, $field, $prefix, $rand_suffix_length, $pool);
+    }
+    return $sn;
+}
+
+/*
+ * 生成优惠券码 todo 排除1、0、I、O相似的数字和字母
+ */
+function create_coupon_code()
+{
+
+    $letter_all = range('A', 'Z');
+    shuffle($letter_all);
+    //排除I、O字母
+    $letter_array = array_diff($letter_all, ['I', 'O']);
+    //随机获取四位字母
+    $letter = array_rand(array_flip($letter_array), 4);
+    //排除1、0
+    $num_array = range('2', '9');
+    shuffle($num_array);
+    //获取随机六位数字
+    $num = array_rand(array_flip($num_array), 6);
+    $code = implode('', array_merge($letter, $num));
+    do {
+        $exist_code = Db::name('coupon_list')->where(['del' => 0, 'coupon_code' => $code])->find();
+
+    } while ($exist_code);
+    return $code;
+
+}
+
+/**
+ * 生成会员码
+ * @return 会员码
+ */
+function create_user_sn($prefix = '', $length = 8)
+{
+    $rand_str = '';
+    for ($i = 0; $i < $length; $i++) {
+        $rand_str .= mt_rand(0, 9);
+    }
+    $sn = $prefix . $rand_str;
+    if (Db::name('user')->where(['sn' => $sn])->find()) {
+        return create_user_sn($prefix, $length);
+    }
+    return $sn;
+}
+
+/*
+ * 生成海报自动适应标题
+ */
+function auto_adapt($size, $angle = 0, $fontfile, $string, $width, $height, $bg_height)
+{
+    $content = "";
+    // 将字符串拆分成一个个单字 保存到数组 letter 中
+    for ($i = 0; $i < mb_strlen($string); $i++) {
+        $letters[] = mb_substr($string, $i, 1);
+    }
+
+    foreach ($letters as $letter) {
+        $str = $content . " " . $letter;
+        $box = imagettfbbox($size, $angle, $fontfile, $str);
+
+        $total_height = $box[1] + $height;
+        if ($bg_height[1] - $total_height < $size) {
+            break;
+        }
+        //右下角X位置,判断拼接后的字符串是否超过预设的宽度
+        if (($box[2] > $width) && ($content !== "")) {
+            if ($bg_height[1] - $total_height < $size * 2) {
+                break;
+            }
+            $content .= "\n";
+        }
+        $content .= $letter;
+    }
+    return $content;
+}
+
+/**
+ * 将图片切成圆角
+ */
+function rounded_corner($src_img)
+{
+    $w = imagesx($src_img);//微信头像宽度 正方形的
+    $h = imagesy($src_img);//微信头像宽度 正方形的
+    $w = min($w, $h);
+    $h = $w;
+    $img = imagecreatetruecolor($w, $h);
+    //这一句一定要有
+    imagesavealpha($img, true);
+    //拾取一个完全透明的颜色,最后一个参数127为全透明
+    $bg = imagecolorallocatealpha($img, 255, 255, 255, 127);
+    imagefill($img, 0, 0, $bg);
+    $r = $w / 2; //圆半径
+//    $y_x = $r; //圆心X坐标
+//    $y_y = $r; //圆心Y坐标
+    for ($x = 0; $x < $w; $x++) {
+        for ($y = 0; $y < $h; $y++) {
+            $rgbColor = imagecolorat($src_img, $x, $y);
+            if (((($x - $r) * ($x - $r) + ($y - $r) * ($y - $r)) < ($r * $r))) {
+                imagesetpixel($img, $x, $y, $rgbColor);
+            }
+        }
+    }
+    unset($src_img);
+    return $img;
+}
+
+/**
+ * note 生成验证码
+ * author  cjh 2020/11/17 17:24
+ * @param int $length 验证码长度
+ * @return string
+ */
+function create_sms_code($length = 4)
+{
+    $code = '';
+    for ($i = 0; $i < $length; $i++) {
+        $code .= rand(0, 9);
+    }
+    return $code;
+}
+
+
+function real_path()
+{
+    if (substr(strtolower(PHP_OS), 0, 3) == 'win') {
+        $ini = ini_get_all();
+        $path = $ini['extension_dir']['local_value'];
+        $php_path = str_replace('\\', '/', $path);
+        $php_path = str_replace(array('/ext/', '/ext'), array('/', '/'), $php_path);
+        $real_path = $php_path . 'php.exe';
+    } else {
+        $real_path = PHP_BINDIR . '/php';
+    }
+    if (strpos($real_path, 'ephp.exe') !== FALSE) {
+        $real_path = str_replace('ephp.exe', 'php.exe', $real_path);
+    }
+    return $real_path;
+}
+
+
+//生成用户邀请码
+function generate_invite_code()
+{
+
+    $letter_all = range('A', 'Z');
+    shuffle($letter_all);
+    //排除I、O字母
+    $letter_array = array_diff($letter_all, ['I', 'O', 'D']);
+    //排除1、0
+    $num_array = range('2', '9');
+    shuffle($num_array);
+
+    $pattern = array_merge($num_array, $letter_array, $num_array);
+    shuffle($pattern);
+    $pattern = array_values($pattern);
+
+    $code = '';
+    for ($i = 0; $i < 6; $i++) {
+        $code .= $pattern[mt_rand(0, count($pattern) - 1)];
+    }
+
+    $code = strtoupper($code);
+    $check = Db::name('user')->where('distribution_code', $code)->find();
+    if ($check) {
+        return generate_invite_code();
+    }
+    return $code;
+}
+
+
+/**
+ * 是否在cli模式
+ */
+if (!function_exists('is_cli')) {
+    function is_cli()
+    {
+        return preg_match("/cli/i", php_sapi_name()) ? true : false;
+    }
+}
+/**
+ * Notes:判断文件是否存在（远程和本地文件）
+ * @param $file string 完整的文件链接
+ * @return bool
+ */
+function check_file_exists($file)
+{
+    //远程文件
+    if ('http' == strtolower(substr($file, 0, 4))) {
+
+        $header = get_headers($file, true);
+
+        return isset($header[0]) && (strpos($header[0], '200') || strpos($header[0], '304'));
+
+    } else {
+
+        return file_exists($file);
+    }
+
+}
+
+/**
+ * Notes:生成一个范围内的随机浮点数
+ * @param int $min 最小值
+ * @param int $max 最大值
+ * @return float|int 返回随机数
+ */
+function random_float($min = 0, $max = 1)
+{
+    return $min + mt_rand() / mt_getrandmax() * ($max - $min);
+}
+
+function is_mobile()
+{
+    if (isset($_SERVER['HTTP_X_WAP_PROFILE'])) {
+        return true;
+    }
+    if (isset($_SERVER['HTTP_VIA'])) {
+        return stristr($_SERVER['HTTP_VIA'], "wap") ? true : false;
+    }
+    if (isset($_SERVER['HTTP_USER_AGENT'])) {
+        $clientkeywords = array('nokia', 'sony', 'ericsson', 'mot', 'samsung', 'htc', 'sgh', 'lg', 'sharp', 'sie-', 'philips', 'panasonic', 'alcatel', 'lenovo', 'iphone', 'ipod', 'blackberry', 'meizu', 'android', 'netfront', 'symbian', 'ucweb', 'windowsce', 'palm', 'operamini', 'operamobi', 'openwave', 'nexusone', 'cldc', 'midp', 'wap', 'mobile');
+        if (preg_match("/(" . implode('|', $clientkeywords) . ")/i", strtolower($_SERVER['HTTP_USER_AGENT']))) {
+            return true;
+        }
+    }
+    if (isset($_SERVER['HTTP_ACCEPT'])) {
+        if ((strpos($_SERVER['HTTP_ACCEPT'], 'vnd.wap.wml') !== false) && (strpos($_SERVER['HTTP_ACCEPT'], 'textml') === false || (strpos($_SERVER['HTTP_ACCEPT'], 'vnd.wap.wml') < strpos($_SERVER['HTTP_ACCEPT'], 'textml')))) {
+            return true;
+        }
+    }
+    return false;
+}
+
+/**
+ * Notes:去掉名称中的表情
+ * @param $str
+ * @return string|string[]|null
+ * @author: cjhao 2021/3/29 15:56
+ */
+function filterEmoji($str)
+{
+    $str = preg_replace_callback(
+        '/./u',
+        function (array $match) {
+            return strlen($match[0]) >= 4 ? '' : $match[0];
+        },
+        $str);
+    return $str;
+}
+
+
+/**
+ * Notes: 是否为https
+ * @author 段誉(2021/5/8 14:45)
+ * @return bool
+ */
+function is_https()
+{
+    if (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off') {
+        return true;
+    } elseif (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https') {
+        return true;
+    } elseif (!empty($_SERVER['HTTP_FRONT_END_HTTPS']) && strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) !== 'off') {
+        return true;
+    }
+    return false;
+}
+
+
+/**
+ * Notes: 获取文件扩展名
+ * @param $file
+ * @author 段誉(2021/7/7 18:03)
+ * @return mixed
+ */
+if (!function_exists('get_extension')) {
+    function get_extension($file)
+    {
+        return pathinfo($file, PATHINFO_EXTENSION);
+    }
+}
+
+
+/**
+ * Notes: 遍历指定目录下的文件(目标目录,排除文件)
+ * @param $dir 目标文件
+ * @param string $exclude_file 要排除的文件
+ * @param string $target_suffix 指定后缀
+ * @author 段誉(2021/7/7 18:04)
+ * @return array|bool
+ */
+
+if (!function_exists('get_scandir')) {
+    function get_scandir($dir, $exclude_file = '', $target_suffix = '')
+    {
+        if(!file_exists($dir)) {
+            return [];
+        }
+
+        if (empty(trim($dir))) {
+            return false;
+        }
+
+        $files = scandir($dir);
+        $res = [];
+        foreach ($files as $item) {
+            if ($item == "." || $item == ".." || $item == $exclude_file) {
+                continue;
+            }
+            if (!empty($target_suffix)) {
+                if (get_extension($item) == $target_suffix) {
+                    $res[] = $item;
+                }
+            } else {
+                $res[] = $item;
+            }
+        }
+
+        if (empty($item)) {
+            return false;
+        }
+        return $res;
+    }
+}
+
+
+
+/**
+ * Notes: 解压压缩包
+ * @param $file 压缩包路径
+ * @param $save_dir 保存路径
+ * @author 段誉(2021/7/7 18:11)
+ * @return bool
+ */
+if (!function_exists('unzip')) {
+    function unzip($file, $save_dir)
+    {
+        if (!file_exists($file)) {
+            return false;
+        }
+        $zip = new \ZipArchive();
+        if ($zip->open($file) !== TRUE) {//中文文件名要使用ANSI编码的文件格式
+            return false;
+        }
+        $zip->extractTo($save_dir);
+        $zip->close();
+        return true;
+    }
+}
+
+
+
+/**
+ * Notes: 删除目标目录
+ * @param $path
+ * @param $delDir
+ * @author 段誉(2021/7/7 18:19)
+ * @return bool
+ */
+if (!function_exists('del_target_dir')) {
+    function del_target_dir($path, $delDir)
+    {
+        $handle = opendir($path);
+        if ($handle) {
+            while (false !== ($item = readdir($handle))) {
+                if ($item != "." && $item != "..") {
+                    if (is_dir("$path/$item")) {
+                        del_target_dir("$path/$item", $delDir);
+                    } else {
+                        unlink("$path/$item");
+                    }
+                }
+            }
+            closedir($handle);
+            if ($delDir) {
+                return rmdir($path);
+            }
+        } else {
+            if (file_exists($path)) {
+                return unlink($path);
+            }
+            return false;
+        }
+    }
+}
+
+/**
+ * Notes: 获取本地版本数据
+ * @return mixed
+ * @author 段誉(2021/7/7 18:18)
+ */
+
+if (!function_exists('local_version')) {
+    function local_version()
+    {
+        if(!file_exists('./upgrade/')) {
+            // 若文件夹不存在，先创建文件夹
+            mkdir('./upgrade/');
+        }
+        if(!file_exists('./upgrade/version.json')) {
+            // 获取本地版本号
+            $version = config('project.version');
+            $data = ['version' => $version];
+            $src = './upgrade/version.json';
+            // 新建文件
+            file_put_contents($src, json_encode($data, JSON_UNESCAPED_UNICODE));
+        }
+
+        $json_string = file_get_contents('./upgrade/version.json');
+        // 用参数true把JSON字符串强制转成PHP数组
+        $data = json_decode($json_string, true);
+        return $data;
+    }
+}
+
+
+/**
+ * Notes: 获取ip
+ * @author 段誉(2021/7/9 10:19)
+ * @return array|false|mixed|string
+ */
+if (!function_exists('get_client_ip')) {
+    function get_client_ip()
+    {
+        if ($_SERVER['REMOTE_ADDR']) {
+            $cip = $_SERVER['REMOTE_ADDR'];
+        } elseif (getenv("REMOTE_ADDR")) {
+            $cip = getenv("REMOTE_ADDR");
+        } elseif (getenv("HTTP_CLIENT_IP")) {
+            $cip = getenv("HTTP_CLIENT_IP");
+        } else {
+            $cip = "unknown";
+        }
+        return $cip;
+    }
+}
+
+
+/**
+ * @notes 字符串超出指定数量后用..省略后面的字符
+ * @param $str
+ * @param $len
+ * @return mixed|string
+ * @author 段誉
+ * @date 2021/8/10 18:03
+ */
+if (!function_exists('omit_str')) {
+    function omit_str($str, $len) {
+        if (mb_strlen($str) > $len ) {
+            $str = mb_substr($str, 0, $len) . '..';
+        }
+        return $str;
+    }
+}
+
+
+
+
+
+
+