{"text_format":"3","workbook":"xlsx","n_sheets":3,"sheets":["Sheet1","Sheet2","Sheet3"],"not_rendered":{"defined_names":1},"read":"whole","date_system":"1900"}

{"sheet":"Sheet1","index":0,"n_rows":2,"n_cols":7,"rows_kept":2}
["学生类别","学号","姓名","学院","专业","免修原因"]
["全日制专硕",2120220001,"张三","统计与数据科学学院","应用统计","托福100分","示例"]

{"sheet":"Sheet2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0}

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