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This article mainly explains the "Asp.Net online preview Word document problem how to solve", the article explains the content is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "Asp.Net online preview Word document problem how to solve" it!

Project characteristics

Asp.Net is deployed on the Windows platform without Core,.NET Framework 4.0.

The general idea of the solution: first convert the Word document to Html, and then preview the Html. 1. Convert Word documents to Html

First quote Office's DLL, in COM, note: the computer needs to install Office.

Also note: please change the embedded interop type to False in the DLL attribute

There is one way to do the conversion process:

Using Microsoft.Office.Interop.Word;public static string WordToHtml (string path) {string root = AppDomain.CurrentDomain.BaseDirectory; var htmlName = $"{Guid.NewGuid (). ToString (" N ")} .html"; var htmlPath = root + $"Resource/Temporary/"; if (! Directory.Exists (htmlPath)) {Directory.CreateDirectory (htmlPath);} ApplicationClass word = new ApplicationClass () Type wordType = word.GetType (); Documents docs = word.Documents; Type docsType = docs.GetType (); Document doc = (Document) docsType.InvokeMember ("Open", BindingFlags.InvokeMethod, null, docs, new Object [] {(object) path, true, true}); Type docType = doc.GetType () DocType.InvokeMember ("SaveAs", BindingFlags.InvokeMethod, null, doc, new object [] {(htmlPath + htmlName), WdSaveFormat.wdFormatFilteredHTML}); docType.InvokeMember ("Close", BindingFlags.InvokeMethod, null, doc, null); wordType.InvokeMember ("Quit", BindingFlags.InvokeMethod, null, word, null); return htmlName;} 2, Preview

The method of converting Word to Html in the previous step is ready, and let's prepare such an Word document.

Write down the logic briefly:

Is it very simple? let's look at the effect of the finished product.

This solution has great limitations, and the deployment platform must be installed with Office, which is just what customers can meet.

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