{"text_format":"3","workbook":"xlsx","n_sheets":3,"sheets":["Sheet1","Sheet2","Sheet3"],"read":"whole","date_system":"1900"}

{"sheet":"Sheet1","index":0,"n_rows":1,"n_cols":8,"rows_kept":1}
["学院","出生年月","电话","团员编号","入团时间","转入临时团支部名称（线上系统全称）","团关系保留临时支部时间（长期/XX月）","原支部名称（线上系统全称）"]

{"sheet":"Sheet2","index":1,"n_rows":8,"n_cols":7,"rows_kept":8}
{"$rows_empty":7}
[{"$nulls":6},"尚未落实就"]

{"sheet":"Sheet3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0}