{"text_format":"3","workbook":"xls","n_sheets":1,"sheets":["Worksheet"],"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"Worksheet","index":0,"n_rows":6,"n_cols":9,"rows_kept":6,"flags":["formulas_cached_only"]}
["姓名","手机号","邮箱","学号","院系","班级","性别","身份证号码","备注"]
[{"$nulls":8},"参赛负责人"]
[{"$nulls":8},"参赛队员"]
[{"$nulls":8},"参赛队员"]
[{"$nulls":8},"参赛队员"]
[{"$nulls":8},"参赛队员"]