zhifu

app/model/Payment.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace app\model;
+
+use think\Model;
+use think\model\relation\BelongsTo;
+
+class Payment extends Model
+{
+    protected $autoWriteTimestamp = true;
+
+    public function onBeforeInsert()
+    {
+        $this->trade_no = time();
+    }
+
+    public function orders(): BelongsTo
+    {
+        return $this->belongsTo(Order::class);
+    }
+}