Model增加getAutoInc方法 改进getPk方法判断

Author: liu21st

src/model/concern/Attribute.php

@@ -101,7 +101,17 @@ private function initializeData(array | object $data, bool $fromSave = false)
      */
     public function getPk()
     {
-        return $this->getOption('pk');
+        return $this->getOption('pk', 'id');
+    }
+
+    /**
+     * 获取自增键名.
+     *
+     * @return string
+     */
+    public function getAutoInc()
+    {
+        return $this->getOption('autoInc', $this->getPk());
     }
 
     /**

src/model/concern/DbConnect.php

@@ -42,7 +42,7 @@ public function getQuery()
 
         return $db->schema($this->getOption('schema'))
             ->pk($this->getPk())
-            ->autoInc($this->getOption('autoInc'))
+            ->autoInc($this->getAutoInc())
             ->suffix($this->getOption('suffix'))
             ->setKey($this->getKey())
             ->replace($this->getOption('replace', false))