研报上传文件判断

controllers/report.go

@@ -1286,8 +1286,12 @@ func (this *ReportUploadCommonController) UploadImg() {
 	}
 	pass := filetype.IsImage(fileData)
 	if !pass {
-		err = fmt.Errorf("文件格式有误")
-		return
+		kind, _ := filetype.Match(fileData)
+		if kind.Extension != "pdf" {
+			err = fmt.Errorf("文件格式有误")
+			return
+		}
+		fmt.Printf("File type: %s. MIME: %s\n", kind.Extension, kind.MIME.Value)
 	}
 
 	ext := path.Ext(h.Filename)