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

{"sheet":"Sheet1","index":0,"n_rows":8,"n_cols":3,"rows_kept":8}
["Id(int)","Rate(int)","ItemID(map)"]
["序号","权重","奖励"]
[1,2000,"10001,3"]
[2,1000,"10001,5"]
[3,2000,"20002,1"]
[4,2000,"20002,3"]
[5,1000,"20001,1"]
[6,2000,"20003,1"]

{"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}