yibi.chen's official website:
https://pages.github.com/ ionic build --prod -- --base-href https://Yibaychen.github.io/Yibi/ npx angular-cli-ghpages --branch=master --dir=www
There are several main methods for extracting text from PDF files in .NET: Microsoft IFilter interface and Adobe IFilter implementation. iTextSharp PDFBox PDFlib(https://www.codeproject.com/Articles/4690/Text2PDF)