{"text_format":"3","workbook":"xlsx","n_sheets":5,"sheets":["summary","fields","validation","coding","help"],"read":"whole","date_system":"1900"}

{"sheet":"summary","index":0,"n_rows":2,"n_cols":4,"rows_kept":2}
["name","title","primary","catelog"]
["bz_order","订单","id"]

{"sheet":"fields","index":1,"n_rows":19,"n_cols":8,"rows_kept":19}
["name","title","type","length:int","dec:int","nullable","default","comments"]
["id","id","str",32]
["customerid","客户id","str",32]
["order_date","订单日期","date"]
["order_status","订单状态","str",1,{"$nulls":3},"0:未支付，1:已交付；2:已关闭；3:已取消；4:后付费"]
["business_op","业务操作","str",255]
["amount","金额","float",18,2]
["provider_orderid","供应商orderid","str",256]
["specdataid","规格数据id","str",32]
["userid","用户id","str",32]
["thirdparty_order","第三方订单号","str",32]
["refund","退费金额","str",32]
["source","订单来源网站","str",10]
["originalprice","原价","str",16]
["ordertype","订单类型","str",10]
["servicename","产品名称","str",64]
["pay_date","支付时间","timestamp"]
["del_flg","删除标志","str",1,null,null,"0"]
["create_at","创建时间戳","timestamp"]

{"sheet":"validation","index":2,"n_rows":1,"n_cols":3,"rows_kept":1}
["name","oper","value"]

{"sheet":"coding","index":3,"n_rows":13,"n_cols":4,"rows_kept":13}
["operation","datatype","yesno","data_catelog"]
[">","str","yes","entity"]
["<","char","no","relation"]
[">=","short",null,"dimension"]
["<=","long"]
["in","llong"]
["fk","date"]
["idx","time"]
["grid","timestamp"]
["field","float"]
[null,"double"]
[null,"ddouble"]
[null,"decimal"]

{"sheet":"help","index":4,"n_rows":12,"n_cols":5,"rows_kept":12,"merged":[[0,0,0,1],[0,2,0,3]]}
["data type",null,"validation",null,"primary"]
["str","可变长度字符串","fk","外键检查，其值必须在外键表的value字段数值范围内","多字段时用“，”分开"]
["char","定长字符串","fk格式","table:value:title"]
["short","短整数","fk格式说明","table表名"]
["long","长整数","fk格式说明","value外键值的字段名名"]
["llong","长长整数","fk格式说明","title外键显示名称字段名，可以同value"]
["date","日期","in","在之内"]
["time","时间","in格式","-1,[1-9],100"]
["timestamp","时间戳"]
["float","浮点数"]
["double","双精度浮点数"]
["ddouble","双双精度浮点数"]