修正dedecms5.8 文章集 发布后无法修改缩略图错误

src/dede/article_edit.php

@@ -71,6 +71,7 @@ else if($dopost=='save')
     if(!isset($remote)) $remote = 0;
     if(!isset($dellink)) $dellink = 0;
     if(!isset($autolitpic)) $autolitpic = 0;
+    if(empty($litpic_b64)) $litpic_b64 = '';
     
     if(empty($typeid))
     {
@@ -164,6 +165,22 @@ else if($dopost=='save')
         }
     }
 
+    // 处理新的缩略图上传
+    if ($litpic_b64 != "") {
+        $data = explode( ',', $litpic_b64 );
+        $ntime = time();
+        $savepath = $ddcfg_image_dir.'/'.MyDate($cfg_addon_savetype, $ntime);
+        CreateDir($savepath);
+        $fullUrl = $savepath.'/'.dd2char(MyDate('mdHis', $ntime).$cuserLogin->getUserID().mt_rand(1000, 9999));
+        $fullUrl = $fullUrl.".png";
+        
+        file_put_contents($cfg_basedir.$fullUrl, base64_decode( $data[ 1 ] ));
+
+        // 加水印
+        WaterImg($cfg_basedir.$fullUrl, 'up');
+        $litpic = $fullUrl;
+    }
+
     //处理图片文档的自定义属性
     if($litpic!='' && !preg_match("#p#", $flag))
     {
@@ -192,7 +209,6 @@ else if($dopost=='save')
     source='$source',
     litpic='$litpic',
     pubdate='$pubdate',
-    voteid='$voteid',
     notpost='$notpost',
     description='$description',
     keywords='$keywords',