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fdesk/app/common/utils/UidRotator.php
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2025-08-04 18:11:44 +08:00
<?php
namespace app\common\utils;
// UID旋转器(依次循环获取)
class UidRotator
{
private static $uids = [];
private static $index = 0;
private static $initialized = false;
/**
* 初始化或重置分配器
*
* @param array $uids UID数组
* @param int $startIndex 起始索引位置
*/
public static function initialize(array $uids = [], int $startIndex = 0)
{
if (!empty($uids)) {
self::$uids = $uids;
}
self::$index = $startIndex % max(1, count(self::$uids));
self::$initialized = true;
}
/**
* 动态设置新的UID数组
*
* @param array $newUids 新的UID数组
* @param bool $resetIndex 是否重置索引
*/
public static function setUids(array $newUids, bool $resetIndex = true)
{
self::$uids = $newUids;
if ($resetIndex) {
self::$index = 0;
} else {
// 确保索引不越界
self::$index = min(self::$index, max(0, count(self::$uids) - 1));
}
self::$initialized = true;
}
/**
* 添加新的UID到数组
*
* @param int|array $newUids 单个UID或UID数组
*/
public static function addUids($newUids)
{
if (!self::$initialized) {
self::initialize();
}
if (is_array($newUids)) {
self::$uids = array_merge(self::$uids, $newUids);
} else {
self::$uids[] = $newUids;
}
}
/**
* 获取下一个分配的UID
*
* @return int|null 返回UID,没有可用UID时返回null
*/
public static function next()
{
if (!self::$initialized) {
self::initialize();
}
if (empty(self::$uids)) {
return null;
}
$uid = self::$uids[self::$index];
// 移动到下一个位置(循环)
self::$index = (self::$index + 1) % count(self::$uids);
return $uid;
}
/**
* 获取当前指针位置
*/
public static function getPosition(): int
{
return self::$index;
}
/**
* 设置当前指针位置
*
* @param int $position 新的位置索引
*/
public static function setPosition(int $position)
{
if (!self::$initialized) {
self::initialize();
}
if (!empty(self::$uids)) {
self::$index = $position % count(self::$uids);
}
}
/**
* 获取当前UID数组
*/
public static function getUids(): array
{
return self::$uids;
}
/**
* 重置指针到起始位置
*/
public static function reset()
{
self::$index = 0;
}
/**
* 随机打乱当前UID数组
*/
public static function shuffle()
{
shuffle(self::$uids);
self::$index = 0;
}
}
// // 使用方法:
// // 初始化分配器
// UidRotator::initialize([64, 63, 83, 93]);
// echo UidRotator::next(); // 64
// echo UidRotator::next(); // 63
// // 动态添加新UID
// UidRotator::addUids(108);
// UidRotator::addUids([118, 131]);
// echo UidRotator::next(); // 83
// // 设置新数组并重置索引
// UidRotator::setUids([150, 143, 156]);
// echo UidRotator::next(); // 150
// echo UidRotator::next(); // 143
// // 设置新数组但保持当前索引位置
// UidRotator::setUids([157, 158, 159, 160], false);
// echo UidRotator::next(); // 159 (因为之前索引是2)
// // 从特定位置开始
// UidRotator::initialize([64, 63, 83, 93], 2);
// echo UidRotator::next(); // 83
// // 获取当前状态
// $currentPosition = UidRotator::getPosition();
// $allUids = UidRotator::getUids();
// // 设置新位置
// UidRotator::setPosition(1);
// echo UidRotator::next(); // 63
// // 随机打乱数组
// UidRotator::shuffle();
// print_r(UidRotator::getUids()); // 随机顺序的数组