{"text_format":"3","workbook":"xls","n_sheets":1,"sheets":["Sheet1"],"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"Sheet1","index":0,"n_rows":2,"n_cols":7,"rows_kept":2,"flags":["formulas_cached_only"]}
["商品名称","商品分类","价格","单位","总库存","入库数","出库数"]
["工作台aa1","水果",2000,"台",10,22,12]