创建模型验证器，验证数据正确性

app/common/validate/WithdrawOrder.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace app\common\validate;
+
+use think\Validate;
+
+class WithdrawOrder extends Validate
+{
+    protected $failException = true;
+
+    protected $rule = [
+        'order_no' => 'require|max:64|unique:withdraw_order',
+        'user_id' => 'require|integer|gt:0',
+        'amount' => 'float|egt:0',
+        'status' => 'require|in:0,1,2,3',
+        'remark' => 'max:255',
+    ];
+
+    protected $scene = [
+        'add' => ['order_no', 'user_id', 'amount', 'status', 'remark'],
+        'edit' => ['amount', 'status', 'remark'],
+    ];
+}