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

{"sheet":"Sheet1","index":0,"n_rows":11,"n_cols":6,"rows_kept":11,"flags":["formulas_cached_only"]}
["序号","班级","学号","姓名","电话号码","备注"]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]

{"sheet":"Sheet2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}

{"sheet":"Sheet3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}