{"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":4,"rows_kept":11,"flags":["formulas_cached_only"]}
["原材料编号","单位","L库存","数量"]
["M-002","桶",2,8]
["M-003","桶",1,2]
["M-006","桶",1,3]
["M-012","桶",3,1]
["M-015","桶",1,5]
["M-007","桶",1500,2700]
["M-019A","桶",3000,1500]
["M-514","桶",3,10]
["M-521A","桶",400,200]
["M-031","桶",600,2100]

{"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"]}