更新原理图符号部分的页面编辑功能

app/common/validate/PdmSymbol.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace app\common\validate;
+
+use think\Validate;
+/**
+  * <!---->
+  * PdmSymbol 验证器
+  * Class PdmSymbol
+  * @package app\common\validate
+  */
+class PdmSymbol extends Validate
+{
+    /**
+     * 验证规则
+     */
+    protected $rule = [
+    ];
+
+    
+    /**
+     * 提示消息
+     */
+    protected $message = [
+    ];
+
+
+    /**
+     * 验证场景
+     */
+    protected $scene = [
+        'add'  => [],
+        'edit' => [],
+    ];
+    
+}