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<?php
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// +----------------------------------------------------------------------
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// | ThinkLibrary 6.0 for ThinkPhP 6.0
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// +----------------------------------------------------------------------
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// | 版权所有 2017~2020 [ https://www.dtapp.net ]
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// +----------------------------------------------------------------------
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// | 官方网站: https://gitee.com/liguangchun/ThinkLibrary
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// +----------------------------------------------------------------------
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// | 开源协议 ( https://mit-license.org )
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// +----------------------------------------------------------------------
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// | gitee 仓库地址 ：https://gitee.com/liguangchun/ThinkLibrary
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// | github 仓库地址 ：https://github.com/GC0202/ThinkLibrary
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// | Packagist 地址 ：https://packagist.org/packages/liguangchun/think-library
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// +----------------------------------------------------------------------
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declare (strict_types=1);
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namespace DtApp\ThinkLibrary\helper;
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use Exception;
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/**
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* 唯一ID管理类
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* @mixin UnIqIds
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* @package DtApp\ThinkLibrary\helper
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*/
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class UnIqIds
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{
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/**
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* 获取随机字符串编码
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* @param integer $size 字符串长度
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* @param integer $type 字符串类型(1纯数字,2纯字母,3数字字母)
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* @param string $prefix 编码前缀
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* @return string
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* @throws Exception
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*/
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public function random($size = 10, $type = 1, $prefix = ''): string
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{
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$numbs = '0123456789';
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$chars = 'abcdefghijklmnopqrstuvwxyz';
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if ((int)$type === 1) {
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$chars = $numbs;
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}
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if ((int)$type === 2) {
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$chars = ($chars);
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}
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if ((int)$type === 3) {
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$chars = "{$numbs}{$chars}";
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}
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$string = $prefix . $chars[random_int(1, strlen($chars) - 1)];
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if (isset($chars)) {
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while (strlen($string) < $size) {
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$string .= $chars[random_int(0, strlen($chars) - 1)];
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}
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}
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return $string;
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}
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/**
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* 唯一日期编码
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* @param integer $size
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* @param string $prefix
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* @return string
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* @throws Exception
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*/
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public function date($size = 16, $prefix = ''): string
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{
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if ($size < 14) {
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$size = 14;
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}
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$string = $prefix . date('Ymd') . (date('H') + date('i')) . date('s');
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while (strlen($string) < $size) {
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$string .= random_int(0, 9);
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}
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return $string;
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}
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/**
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* 唯一数字编码
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* @param integer $size
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* @param string $prefix
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* @return string
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* @throws Exception
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*/
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public function number($size = 12, $prefix = ''): string
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{
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$time = time() . '';
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if ($size < 10) {
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$size = 10;
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}
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$string = $prefix . ($time[0] . $time[1]) . substr($time, 2) . random_int(0, 9);
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while (strlen($string) < $size) {
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$string .= random_int(0, 9);
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}
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return $string;
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}
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}
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