random()
random(int $length = 6, string $type = 'string', int $convert) : string
生成随机字符
Parameters
int | $length | 长度 |
string | $type | 类型(支持数字、字母、字符串、全部) |
int | $convert | 转换大小写 |
Util工具类 Class Util
<?php
namespace app\common\controller;
/**
* Util工具类
* Class Util
* @package app\common\controller
*/
class Util
{
/**
* 生成随机字符
* @param int $length 长度
* @param string $type 类型(支持数字、字母、字符串、全部)
* @param int $convert 转换大小写
* @return string
*/
public static function random($length = 6, $type = 'string', $convert = 0)
{
$config = array(
'number' => '1234567890',
'letter' => 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
'string' => 'abcdefghjkmnpqrstuvwxyzABCDEFGHJKMNPQRSTUVWXYZ2345678',
'all' => 'abcdefgh∫ijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890'
);
if (!isset($config[$type])) $type = 'string';
$string = $config[$type];
$code = '';
$strlen = strlen($string) - 1;
for ($i = 0; $i < $length; $i++) {
$code .= $string{mt_rand(0, $strlen)};
}
if (!empty($convert)) {
$code = ($convert > 0) ? strtoupper($code) : strtolower($code);
}
return $code;
}
/**
* 通过IP获取地理位置
* @param $ipAddr
* @return string
*/
public static function get_location_by_ip($ipAddr): string
{
$key = config('person.tencent_map_api_key');
$url = 'http://apis.map.qq.com/ws/location/v1/ip?ip=';
$res = json_decode(file_get_contents($url . $ipAddr . '&key=' . $key));
return $res->status === 375 ? $res->message : '测试';
}
}