Can be viewed online support word, excel this file? There are drag and drop uploading?

https://forum.enhancer.io/topic/5adea0cdce69735af635fcd8

 

 

method 1.

Custom window with a custom window put an iframe

Assuming that address your word is doc_url, so the iframe src is set to http://view.officeapps.live.com/op/view.aspx?src=doc_url

Open  this link  to see the effect

 

Method 2.

Reference  https://www.cnblogs.com/TNSSTAR/p/3903259.html   own deploy Office web apps Server

https://social.msdn.microsoft.com/Forums/azure/en-US/0a4f1683-3657-46fb-82c4-feb92e49e3c3/3583138382office-web-apps?forum=sharepointwebpartzhchs

 

Method 3.

By converting the two modules following word and excel at the server into html

https://www.npmjs.com/package/mammoth
https://www.npmjs.com/package/xlsx

This method can be Excel files directly onto the page display.