bugfix-oss上传contentType

src/main/java/com/caimei/modules/archive/utils/OssArchiveUtil.java

@@ -92,12 +92,18 @@ public class OssArchiveUtil {
         if (".vsd".equalsIgnoreCase(fileExtension)) {
             return "application/vnd.visio";
         }
-        if (".ppt".equalsIgnoreCase(fileExtension) || "pptx".equalsIgnoreCase(fileExtension)) {
+        if (".ppt".equalsIgnoreCase(fileExtension)  ) {
             return "application/vnd.ms-powerpoint";
         }
-        if (".doc".equalsIgnoreCase(fileExtension) || "docx".equalsIgnoreCase(fileExtension)) {
+        if (".pptx".equalsIgnoreCase(fileExtension)) {
+            return "application/vnd.openxmlformats-officedocument.presentationml.presentation";
+        }
+        if (".doc".equalsIgnoreCase(fileExtension) ) {
             return "application/msword";
         }
+        if ("docx".equalsIgnoreCase(fileExtension)) {
+            return "application/vnd.openxmlformats-officedocument.wordprocessingml.document";
+        }
         if (".xml".equalsIgnoreCase(fileExtension)) {
             return "text/xml";
         }