PKU Card Transaction Analysis

Tools for fetching and analyzing PKU campus card transactions.

Prerequisites

1. Get account, ASP.NETSessionId, and hallticket from https://card.pku.edu.cn/user/user

   • Open https://card.pku.edu.cn/user/user and log in.
   • After logging in, click on "账户管理" (Account Management), where you can find the six-digit account number.
   • Open the developer tools in your browser by pressing F12.
   • Go to the "Application" (or "存储") tab in the developer tools.
   • In the left sidebar, select Cookies, and then choose https://card.pku.edu.cn.
   • Here, you will find the two required values:
     • ASP.NETSessionId: This is stored as a cookie and typically contains a random session ID.
     • hallticket: This is also stored as a cookie and may be required for further requests.

2. Run python card_query.py <account> --start-date YYYY-MM-DD to fetch transactions from the specified date.

3. Run python transaction_analysis.py card_transactions_xxx.json to analyze the transactions.