更新DB异常显示

library/think/exception/DbException.php

@@ -18,18 +18,19 @@ use think\Exception;
  */
 class DbException extends Exception 
 {
-    public function __construct($message, $code, $db, $config)
+    public function __construct($message, Array $config, $sql, $code = 10500)
     {
         $this->message  = $message;
         $this->code     = $code;
 
-        $error = explode(':', $db->getError());
         $this->setData('Database Status', [
-            'Error Code'    => $error[0],
-            'Error Message' => $error[1],
-            'Error SQL'     => $db->getLastSql()
+            'Error Code'    => $code,
+            'Error Message' => $message,
+            'Error SQL'     => $sql
         ]);
 
         $this->setData('Database Config', $config);
     }
+
+
 }