[增添]添加了datasource的setting数据库以及默认值

vendor/psr/log/src/LoggerAwareTrait.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Psr\Log;
+
+/**
+ * Basic Implementation of LoggerAwareInterface.
+ */
+trait LoggerAwareTrait
+{
+    /**
+     * The logger instance.
+     *
+     * @var LoggerInterface|null
+     */
+    protected ?LoggerInterface $logger = null;
+
+    /**
+     * Sets a logger.
+     *
+     * @param LoggerInterface $logger
+     */
+    public function setLogger(LoggerInterface $logger): void
+    {
+        $this->logger = $logger;
+    }
+}