module/app/Support/helper.php

<?php
/**
 * [reValue 格式化返回数据]
 * @param  [type]  $data    [返回数据]
 * @param  integer $code    [返回状态码]
 * @param  [array]  $message [消息数组]
 * @return [string]           [json字符串]
 */
function reValue($code = 0, $data = null, $message = null)
{

    $message = !empty($message) ? $message : \App\Support\Message::getMessage($code);
    // if (!is_array($message)) {
    //     $message = [$message];
    // }
    $value = json_encode(["res" => $data, "message" => $message, "code" => $code]);
    return $value;
}
/**
 * [randomStr 获取随机字符串]
 * @Author   mzb
 * @DateTime 2018-04-02T16:50:58+0800
 * @param    integer                  $length [获取字符串长度]
 * @param    boolean                  $isNum  [是否获取数字类型字符串]
 * @return   [type]                           [description]
 */
function randomStr($length = 4, $isNum = true)
{
    $str = '0123456789';
    if (!$isNum) {
        $str .= 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
    }
    $strLength = strlen($str);
    $length    = strlen($str) >= $length ? $length : $strLength;
    $str       = str_shuffle($str);
    return substr($str, 0, $length);
}
/**
 * [geturl curl发送get请求]
 * @Author   mzb
 * @DateTime 2018-06-11T11:24:59+0800
 * @param    [type]                   $url [description]
 * @return   [type]                        [description]
 */
// function geturl($url)
// {
//     $headerArray = array("Content-type:application/json;", "Accept:application/json");
//     $ch          = curl_init();
//     curl_setopt($ch, CURLOPT_URL, $url);
//     curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
//     curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
//     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
//     curl_setopt($ch, CURLOPT_HTTPHEADER, $headerArray);
//     $output = curl_exec($ch);
//     curl_close($ch);
//     $output = json_decode($output, true);
//     return $output;
// }

function curlInit($url, $fields = null, $method, $headers = null, $timeout = 10)
{
    $ch = curl_init();
    // curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept:text/plain;charset=utf-8','Content-Type:application/x-www-form-urlencoded', 'charset=utf-8'));
    // curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept:text/plain;charset=utf-8',
    //         'Content-Type:application/x-www-form-urlencoded', 'charset=utf-8'));
    if (isset($headers)) {
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
    }
    // curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    // curl_setopt($ch, CURLOPT_HEADER, true);
    // curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
    // curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    if ($method == "Post") {
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, true);
        if (isset($fields)) {
            curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($fields));
        }
    } else if($method == 'json') {
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));
    } else {
        curl_setopt($ch, CURLOPT_URL, $url . '?' . http_build_query($fields));
        curl_setopt($ch, CURLOPT_POST, false);
    }
    $content = curl_exec($ch);
    // var_dump($content);
    // $result  = "";
    // if ($content !== false) {

    // } else {
    //     $result = json_encode(array(
    //         "reason" => "network error or timeout",
    //     ));
    // }

    // Close connection
    curl_close($ch);

    return $content;
}
/*
 * 以下代码实现PHP sha256() sha256_file() sha512() sha512_file() PHP 5.1.2+完美兼容
 * @param string $data 要计算散列值的字符串
 * @param boolean $rawOutput 为true时返回原始二进制数据，否则返回字符串
 * @param string file 要计算散列值的文件名，可以是单独的文件名，也可以包含路径，绝对路径相对路径都可以
 * @return boolean | string 参数无效或者文件不存在或者文件不可读时返回false，计算成功则返回对应的散列值
 * @notes 使用示例 sha256('mrdede.com') sha512('mrdede.com') sha256_file('index.php') sha512_file('index.php')
 */
/* PHP sha256() */
// function sha256($data, $rawOutput = false)
// {
//     if (!is_scalar($data)) {
//         return false;
//     }
//     $data      = (string) $data;
//     $rawOutput = !!$rawOutput;
//     return hash('sha256', $data, $rawOutput);
// }
function getMillisecond()
{
    list($microsecond, $time) = explode(' ', microtime()); //' '中间是一个空格
    return (float) sprintf('%.0f', (floatval($microsecond) + floatval($time)) * 1000);
}

function curlPost($url, $data, $timeout = 3, $headerAry = '')
{
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
    curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
    curl_setopt($ch, CURLOPT_HEADER, false);
    if ($headerAry != '') {
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headerAry);
    }
    $res = curl_exec($ch);
    return $res;
}