{"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":3,"n_cols":6,"rows_kept":3,"merged":[[0,0,0,5]],"flags":["formulas_cached_only"]}
["南京河西外国语学校第12周晚点"]
["4月23日（星期天）","4月24日（星期一）","4月25日（星期二）","4月26日（星期三）","4月27日（星期四）","4月28日（星期五）"]
["汉堡","肉松面包","提子蛋糕","肉丁松子烧麦","蛋挞","大肉包"]

{"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"]}