Query类增加getSqlLog方法获取sql日志信息

Author: liu21st

src/db/Connection.php

@@ -488,7 +488,7 @@ public function connect(array $config = [], $linkNum = 0, $autoConnection = fals
                 }
             } catch (\PDOException $e) {
                 if ($autoConnection) {
-                    $this->log($e->getMessage(), 'error');
+                    $this->log('[ ERR ] ' . $e->getMessage());
                     return $this->connect($autoConnection, $linkNum);
                 } else {
                     throw $e;
@@ -1840,7 +1840,7 @@ public function log($log)
 
     public function getSqlLog()
     {
-        return $this->log;
+        return self::$log;
     }
 
     /**

src/db/Query.php

@@ -299,6 +299,16 @@ public function getLastSql()
         return $this->connection->getLastSql();
     }
 
+    /**
+     * 获取sql记录
+     * @access public
+     * @return string
+     */
+    public function getSqlLog()
+    {
+        return $this->connection->getSqlLog();
+    }
+
     /**
      * 执行数据库事务
      * @access public