dingd

app/model/Order.php

@@ -6,5 +6,5 @@ use think\Model;
 
 class Order extends Model
 {
-
+    protected $autoWriteTimestamp = true;
 }

app/model/Student.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace app\model;
+
+use think\Model;
+use think\model\relation\HasMany;
+
+class Student extends Model
+{
+
+    public function orders(): HasMany
+    {
+        return $this->hasMany(Order::class);
+    }
+}