51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
# K210考勤数据查看工具
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# 用于读取和显示SD卡中的考勤记录
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import os
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ATTENDANCE_FILE = "/sd/attendance_records.csv"
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def view_attendance_records(limit=20):
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"""查看最近的考勤记录"""
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try:
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if ATTENDANCE_FILE not in os.listdir("/sd"):
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print("No attendance file found!")
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return
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with open(ATTENDANCE_FILE, "r") as f:
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lines = f.readlines()
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print("=" * 50)
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print("Attendance Records (Total: {})".format(len(lines) - 1))
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print("=" * 50)
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# 显示表头
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if len(lines) > 0:
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print(lines[0].strip())
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print("-" * 50)
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# 显示最近的记录
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start = max(1, len(lines) - limit)
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for i in range(start, len(lines)):
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print(lines[i].strip())
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print("=" * 50)
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except Exception as e:
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print("Error reading file:", e)
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def clear_attendance_records():
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"""清空考勤记录（保留表头）"""
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try:
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with open(ATTENDANCE_FILE, "w") as f:
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f.write("Timestamp,Student_ID,Name,Confidence,Status\n")
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print("Attendance records cleared!")
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except Exception as e:
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print("Error clearing file:", e)
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# 显示最近20条记录
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view_attendance_records(20)
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# 如果需要清空记录，取消下面这行的注释
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# clear_attendance_records()
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