56 lines
1.0 KiB
PHP
56 lines
1.0 KiB
PHP
<?php
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namespace app\common;
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use think\Db;
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/**
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* 长耗时任务（HTTP 拉摘要、LLM）前后释放/重建 MySQL 连接，避免 Windows errno=10053
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*/
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class DbReconnectHelper
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{
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public static function release()
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{
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try {
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Db::close();
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} catch (\Throwable $e) {
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// ignore
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}
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}
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/**
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* 确保当前进程可用数据库连接（断线则强制重连）
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*/
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public static function ensure()
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{
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if (self::ping()) {
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return true;
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}
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self::release();
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return self::reconnect();
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}
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private static function ping()
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{
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try {
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Db::query('SELECT 1');
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return true;
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} catch (\Throwable $e) {
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return false;
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}
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}
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private static function reconnect()
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{
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try {
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Db::connect(config('database'), true);
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Db::query('SELECT 1');
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return true;
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} catch (\Throwable $e) {
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return false;
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}
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}
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}
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