backend-code/source/application/common.php

<?php

// 应用公共函数库文件

use think\Request;
use think\Log;

/**
 * 打印调试函数
 * @param $content
 * @param $is_die
 */
function pre($content, $is_die = true)
{
    header('Content-type: text/html; charset=utf-8');
    echo '<pre>' . print_r($content, true);
    $is_die && die();
}

/**
 * 驼峰命名转下划线命名
 * @param $str
 * @return string
 */
function toUnderScore($str)
{
    $dstr = preg_replace_callback('/([A-Z]+)/', function ($matchs) {
        return '_' . strtolower($matchs[0]);
    }, $str);
    return trim(preg_replace('/_{2,}/', '_', $dstr), '_');
}

/**
 * 生成密码hash值
 * @param $password
 * @return string
 */
function yoshop_hash($password)
{
    return md5(md5($password) . 'yoshop_salt_SmTRx');
}

/**
 * 获取当前域名及根路径
 * @return string
 */
function base_url()
{
    $request = Request::instance();
    $subDir = str_replace('\\', '/', dirname($request->server('PHP_SELF')));
    return $request->scheme() . '://' . $request->host() . $subDir . ($subDir === '/' ? '' : '/');
}

/**
 * 写入日志
 * @param string|array $values
 * @param string $dir
 * @return bool|int
 */
function write_log($values, $dir)
{
    if (is_array($values))
        $values = print_r($values, true);
    // 日志内容
    $content = '[' . date('Y-m-d H:i:s') . ']' . PHP_EOL . $values . PHP_EOL . PHP_EOL;
    try {
        // 文件路径
        $filePath = $dir . '/logs/';
        // 路径不存在则创建
        !is_dir($filePath) && mkdir($filePath, 0755, true);
        // 写入文件
        return file_put_contents($filePath . date('Ymd') . '.log', $content, FILE_APPEND);
    } catch (\Exception $e) {
        return false;
    }
}

/**
 * 写入日志 (使用tp自带驱动记录到runtime目录中)
 * @param $value
 * @param string $type
 * @return bool
 */
function log_write($value, $type = 'yoshop-info')
{
    $msg = is_string($value) ? $value : print_r($value, true);
    return Log::write($msg, $type);
}

/**
 * curl请求指定url (get)
 * @param $url
 * @param array $data
 * @return mixed
 */
function curl($url, $data = [])
{
    // 处理get数据
    if (!empty($data)) {
        $url = $url . '?' . http_build_query($data);
    }
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_HEADER, false);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);//这个是重点。
    $result = curl_exec($curl);
    curl_close($curl);
    return $result;
}

/**
 * curl请求指定url (post)
 * @param $url
 * @param array $data
 * @return mixed
 */
function curlPost($url, $data = [])
{
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    $result = curl_exec($ch);
    curl_close($ch);
    return $result;
}

if (!function_exists('array_column')) {
    /**
     * array_column 兼容低版本php
     * (PHP < 5.5.0)
     * @param $array
     * @param $columnKey
     * @param null $indexKey
     * @return array
     */
    function array_column($array, $columnKey, $indexKey = null)
    {
        $result = array();
        foreach ($array as $subArray) {
            if (is_null($indexKey) && array_key_exists($columnKey, $subArray)) {
                $result[] = is_object($subArray) ? $subArray->$columnKey : $subArray[$columnKey];
            } elseif (array_key_exists($indexKey, $subArray)) {
                if (is_null($columnKey)) {
                    $index = is_object($subArray) ? $subArray->$indexKey : $subArray[$indexKey];
                    $result[$index] = $subArray;
                } elseif (array_key_exists($columnKey, $subArray)) {
                    $index = is_object($subArray) ? $subArray->$indexKey : $subArray[$indexKey];
                    $result[$index] = is_object($subArray) ? $subArray->$columnKey : $subArray[$columnKey];
                }
            }
        }
        return $result;
    }
}

/**
 * 多维数组合并
 * @param $array1
 * @param $array2
 * @return array
 */
function array_merge_multiple($array1, $array2)
{
    $merge = $array1 + $array2;
    $data = [];
    foreach ($merge as $key => $val) {
        if (
            isset($array1[$key])
            && is_array($array1[$key])
            && isset($array2[$key])
            && is_array($array2[$key])
        ) {
            $data[$key] = array_merge_multiple($array1[$key], $array2[$key]);
        } else {
            $data[$key] = isset($array2[$key]) ? $array2[$key] : $array1[$key];
        }
    }
    return $data;
}

/**
 * 二维数组排序
 * @param $arr
 * @param $keys
 * @param bool $desc
 * @return mixed
 */
function array_sort($arr, $keys, $desc = false)
{
    $key_value = $new_array = array();
    foreach ($arr as $k => $v) {
        $key_value[$k] = $v[$keys];
    }
    if ($desc) {
        arsort($key_value);
    } else {
        asort($key_value);
    }
    reset($key_value);
    foreach ($key_value as $k => $v) {
        $new_array[$k] = $arr[$k];
    }
    return $new_array;
}

/**
 * 数据导出到excel(csv文件)
 * @param $fileName
 * @param array $tileArray
 * @param array $dataArray
 */
function export_excel($fileName, $tileArray = [], $dataArray = [])
{
    ini_set('memory_limit', '512M');
    ini_set('max_execution_time', 0);
    ob_end_clean();
    ob_start();
    header("Content-Type: text/csv");
    header("Content-Disposition:filename=" . $fileName);
    $fp = fopen('php://output', 'w');
    fwrite($fp, chr(0xEF) . chr(0xBB) . chr(0xBF));// 转码 防止乱码(比如微信昵称)
    fputcsv($fp, $tileArray);
    $index = 0;
    foreach ($dataArray as $item) {
        if ($index == 1000) {
            $index = 0;
            ob_flush();
            flush();
        }
        $index++;
        fputcsv($fp, $item);
    }
    ob_flush();
    flush();
    ob_end_clean();
}

/**
 * 获取当前系统版本号
 * @return mixed|null
 * @throws Exception
 */
function get_version()
{
    static $version = null;
    if ($version) {
        return $version;
    }
    $file = dirname(ROOT_PATH) . '/version.json';
    if (!file_exists($file)) {
        throw new Exception('version.json not found');
    }
    $version = json_decode(file_get_contents($file), true);
    if (!is_array($version)) {
        throw new Exception('version cannot be decoded');
    }
    return $version['version'];
}