2. The approver drop-down box in the transaction add page can dynamically obtain the user id and username from the database and provide the username to the user for selection
3. The approver drop-down box has added a search function, a scroll bar, and a limit on the height of the drop-down box
4. You can obtain the id and username of the current user from the applicant input box, and display the username of the current user in the input box. The user has no grant to modify the contents of the input box
2. When inserting a new transaction or approving a new transaction, the transactions are arranged in reverse chronological order according to the creation time and approval time. The newly added transaction and the newly approved transaction appear at the top
3. You can obtain the current time when approving. You can see the approval time on the approved page
