安装插件后的基础文件

app/admin/controller/developer/stubs/change/json.stub

@@ -0,0 +1,22 @@
+    public function set{%field%}Attr($value)
+    {
+        if (!empty($value) && is_array($value)) {
+            $arr = [];
+            foreach ($value['key'] as $key => $elem) {
+                $arr[$elem] = $value['value'][$key];
+            }
+
+            $value = json_encode($arr,JSON_UNESCAPED_UNICODE);
+        }
+
+        return $value ?: json_encode([]);
+    }
+
+    public function get{%field%}Attr($value)
+    {
+        if (!empty($value) && is_string($value)) {
+            $value = json_decode($value, true);
+        }
+
+        return $value;
+    }