add webp image type support

conf/app.php

@@ -30,19 +30,20 @@ $configs = array(
     'debug' => true,
 
     //for themes
-    /*
     //图片皮肤配置
     'googleimage' => array(
         'imageHeight' => 350,           //图片高度，单位：px
         'contact' => 'FileSite图片网站订制联系：<a href="https://filesite.io" target="_blank">FileSite.io</a>',
+        'supportedImageExts' => array('jpg', 'jpeg', 'png', 'webp', 'gif'),
     ),
-    */
 
+    /*
     //视频皮肤配置
     'videoblog' => array(
         'imageHeight' => 180,           //图片高度，单位：px
         'contact' => 'FileSite视频网站订制联系：<a href="https://filesite.io" target="_blank">FileSite.io</a>',
     ),
+    */
 
     //目前支持的皮肤
     'allowedThemes' => array(

lib/DirScanner.php

@@ -1,7 +1,6 @@
 <?php
 /**
  * Class DirScanner
- * TODO: 兼容windows系统目录结构
  */
 
 Class DirScanner {
@@ -44,6 +43,7 @@ Class DirScanner {
         'jpg',     //图片
         'jpeg',    //图片
         'png',     //图片
+        'webp',    //图片
         'gif',     //图片
         'ico',     //图标
         'mp4',     //视频
@@ -57,6 +57,7 @@ Class DirScanner {
         'jpg' => 512000,          //图片
         'jpeg' => 512000,         //图片
         'png' => 512000,          //图片
+        'webp' => 512000,         //图片
         'gif' => 512000,          //图片
         'ico' => 51200,           //图标
         'mp4' => 104857600,     //视频
@@ -67,6 +68,7 @@ Class DirScanner {
         'jpg',     //图片
         'jpeg',     //图片
         'png',     //图片
+        'webp',     //图片
         'gif',     //图片
         'ico',     //图标
         'mp4',     //视频
@@ -363,6 +365,7 @@ Class DirScanner {
             'jpg' => "{$webRoot}{$directory}{$filename}.{$extension}",
             'jpeg' => "{$webRoot}{$directory}{$filename}.{$extension}",
             'png' => "{$webRoot}{$directory}{$filename}.{$extension}",
+            'webp' => "{$webRoot}{$directory}{$filename}.{$extension}",
             'gif' => "{$webRoot}{$directory}{$filename}.{$extension}",
             'ico' => "{$webRoot}{$directory}{$filename}.{$extension}",
             'mp4' => "{$webRoot}{$directory}{$filename}.{$extension}",

themes/googleimage/views/site/index.php

@@ -42,7 +42,7 @@ eof;
 
 <div class="content">
 	<?php
-		$imgExts = array('jpg', 'jpeg', 'png', 'gif');
+		$imgExts = !empty(FSC::$app['config']['supportedImageExts']) ? FSC::$app['config']['supportedImageExts'] : array('jpg', 'jpeg', 'png', 'webp', 'gif');
 		$category = !empty($viewData['scanResults'][$selectedId]) ? $viewData['scanResults'][$selectedId] : [];
 
 		//当前目录的描述介绍