[增添]添加了datasource的setting数据库以及默认值

vendor/league/csv/src/Exception.php

@@ -0,0 +1,23 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use Exception as PhpException;
+
+/**
+ * League Csv Base Exception.
+ */
+class Exception extends PhpException implements UnableToProcessCsv
+{
+}