[ * '字段英文名' =》 '字段中文名' * ] */ return [ [ 'key' =>'order_number', 'value' => '订单编码', ], [ 'key' =>'customer_title', 'value' => '客户名称', ], [ 'key' =>'supply_title', 'value' => '供应商名称', ], [ 'key' =>'order_time', 'value' => '订单日期', ], [ 'key' =>'lt_arrived_time', 'value' => 'LT要求到货日期', ], [ 'key' =>'quantity', 'value' => '订单数量', 'sum' => 1, ], [ 'key' =>'crt_name', 'value' => '创建人', ], [ 'key' =>'crt_time', 'value' => '创建时间', ], ];