更新原理图符号部分的页面编辑功能

app/admin/controller/PdmSymbol.php

@@ -0,0 +1,36 @@
+<?php
+declare (strict_types = 1);
+namespace app\admin\controller;
+
+use app\AdminController;
+use Webman\Http\Request;
+use app\common\model\PdmSymbol as PdmSymbolModel;
+
+/**
+ * pdm_symbol
+ * 原理符号
+ * <!---->
+ * Class PdmSymbol
+ * @package app\admin\controller
+ */
+class PdmSymbol extends AdminController
+{
+    /**
+     * PdmSymbol模型对象
+     * @var \app\common\model\PdmSymbol
+     */
+
+    public function __construct()
+    {
+        parent::__construct();
+        $this->model = new PdmSymbolModel;
+    }
+
+    /**
+     * 默认生成的方法为index/add/edit/del/status 五个方法
+     * 当创建CURD的时候，DIY的函数体和模板为空，请自行编写代码
+     */
+    
+
+
+}

app/admin/controller/developer/stubs/list/tags.stub

@@ -1,3 +1,7 @@
 templet:function(d) {
-    return d.{field}.replace(',',' ');
+    if(d.{field} ==''||d.{field} ==null ||d.{field} == undefined){
+        return '';
+    }else{
+        return d.{field}.replace(',',' ');
+    }  
 }