上传格式文件调整

src/install/config.cache.inc.php

@@ -14,7 +14,7 @@ $cfg_ddimg_width = 400;
 $cfg_ddimg_height = 300;
 $cfg_domain_cookie = '';
 $cfg_imgtype = 'jpeg|jpg|gif|png|webp|bmp';
-$cfg_softtype = 'zip|gz|rar|iso|doc|xsl|ppt|wps';
+$cfg_softtype = 'zip|gz|rar|iso|doc|xls|ppt|wps|docx|xlsx|pptx|pdf';
 $cfg_mediatype = 'swf|rm|rmvb|mpg|mp3|mp4|wmv|wma|wav|mid|mov';
 $cfg_specnote = 10;
 $cfg_list_symbol = '';

src/install/sql-dfdata.txt

@@ -3940,7 +3940,7 @@ INSERT INTO `#@__sysconfig` VALUES ('1','cfg_basehost','站点网址','1','strin
 ('13','cfg_ddimg_height','缩略图默认高度','3','number','300'),
 ('14','cfg_album_width','图集默认显示图片的大小','3','number','800'),
 ('15','cfg_imgtype','允许图片浏览文件类型','3','string','jpeg|jpg|gif|png|webp|bmp'),
-('16','cfg_softtype','允许软件上传文件类型','3','bstring','zip|gz|rar|iso|doc|xsl|ppt|wps'),
+('16','cfg_softtype','允许软件上传文件类型','3','bstring','zip|gz|rar|iso|doc|xls|ppt|wps|docx|xlsx|pptx|pdf'),
 ('17','cfg_mediatype','允许多媒体上传文件类型','3','bstring','swf|rm|rmvb|mpg|mp3|mp4|wmv|wma|wav|mid|mov'),
 ('18','cfg_specnote','专题最大节点数','2','number','10'),
 ('19','cfg_list_symbol','当前位置间隔符号','2','string',''),

src/system/common.func.php

@@ -597,7 +597,7 @@ function GetMimeTypeOrExtension($str, $t = 0) {
         'woff2' => 'font/woff2',
         'xhtml' => 'application/xhtml+xml',
         'xls' => 'application/vnd.ms-excel',
-        'xlsx' => 'application/vnd.ms-excel',
+        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
         'xml' => 'application/xml',
         'xul' => 'application/vnd.mozilla.xul+xml',
         'zip' => 'application/zip',