更新原理图符号部分的页面编辑功能

app/common/model/PdmSymbol.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace app\common\model;
+
+use think\Model;
+use think\model\concern\SoftDelete;
+
+/**
+ * pdm_symbol
+ * <!---->
+ * 原理符号
+ * Class PdmSymbol
+ * @package app\common\model
+ */
+class PdmSymbol extends Model
+{
+
+    use SoftDelete;
+
+    // 定义时间戳字段名
+    protected $createTime = 'create_time';
+    protected $updateTime = 'update_time';
+    protected $deleteTime = 'delete_time';
+
+    
+    /**
+  * 定义 sa_user 关联模型
+  * @localKey admin_id
+  * @bind nickname,name
+  */
+  public function user()
+  {
+      return $this->hasOne(\app\common\model\system\User::Class,'id','admin_id')->bind(['nickname','name']);
+  }
+
+    
+
+}