fix: 设置xls滚动

Signed-off-by: tangshizhe <48740614+tangshizhe@users.noreply.github.com>

jydocs-pc/src/views/Content.vue

@@ -414,7 +414,7 @@ export default {
       let t = document.getElementById('pdfPage')
       if (this.fileTypeThis === 'docx') {
         t = document.getElementById('docxPage')
-      } else if (this.fileTypeThis === 'xlsx') {
+      } else if (this.fileTypeThis === 'xlsx' || this.fileTypeThis === 'xls') {
         t = document.getElementById('xlsxPage')
       }
       const b = t.getBoundingClientRect().bottom