初始化代码

application/admin/model/ReloadDb.php

@@ -0,0 +1,30 @@
+<?php
+
+
+namespace app\admin\model;
+
+
+use think\Db;
+
+class ReloadDb
+{
+    private static $time = null;
+
+    /**
+     * 检测或执行主动重连
+     * @author andy3513
+     * @param int     $timeout 超时时间
+     * @param array $config   连接参数
+     */
+    public static function init($timeout = 7200,$config = []){
+        $time = time();
+        if(null === self::$time){
+            self::$time = $time;
+        }
+        $exprie = $time - self::$time;
+        if($exprie >= $timeout){
+            Db::connect($config, true);
+            self::$time = $time;
+        }
+    }
+}