sideProject-mchen81 Pre-process Install tesseract engin. Please refer to https://github.com/tesseract-ocr/tesseract/wiki On the resources/SQL, there are some DDL/Procedures scripts, please run them on your database. On the resources/applicationcontext/Datasource.xml, you have to set your own database jdbc to connect to your DB. How to use the web. When server is started, it will load the shopping history and purchased items from database, and put them into maps. You have to click 'submit' button to update the data in DB, or it will just change the temporary data. Upload receipts to track expense You can upload an image of receipt, it must be as clear as possible After you upload an image, you can check if there are any mistakes and edit them.