增加refresh方法

Author: liu21st

src/Model.php

@@ -306,7 +306,7 @@ public function save(array | object $data = [], $where = []): bool
 
         $data     = $this->getData();
         $origin   = $this->getOrigin();
-        $allow    = $this->getOption('allow') ?: array_keys($this->getFields());
+        $allow    = $this->getOption('field') ?: array_keys($this->getFields());
         $readonly = $this->getOption('readonly');
         $disuse   = $this->getOption('disuse');
         $allow    = array_diff($allow, $readonly, $disuse);
@@ -422,6 +422,18 @@ public function isSimple(): bool
         return false;
     }
 
+    /**
+     * 刷新模型数据.
+     *
+     * @return $this
+     */
+    public function refresh()
+    {
+        $data = $this->getQuery()->find($this->getKey())->getData();
+        $this->data($data);
+        return $this;
+    }
+
     /**
      * 保存多个数据到当前数据对象
      *

src/model/concern/DbConnect.php

@@ -53,7 +53,11 @@ private function initDb()
             $db = Db::connect($connection);
         }
 
-        $db = $db->name($this->getName())->pk($this->getOption('pk'));
+        $db = $db->name($this->getName())->pk($this->getPk());
+        $autoInc = $this->getOption('autoInc');
+        if ($autoInc) {
+            $db->autoinc(is_string($autoInc) ? $autoInc : $this->getPk());
+        }
 
         if ($this->getOption('table')) {
             $db->table($this->getOption('table'));