[ * '字段英文名' =》 '字段中文名' * ] */ return [ [ 'key' =>'order_number', 'value' => '销售发票号', ], [ 'key' =>'order_time', 'value' => '单据日期', ], [ 'key' =>'employee_id_1_title', 'value' => '业务员', ], [ 'key' =>'employee_id_2_title', 'value' => '上级管理人员', ], [ 'key' =>'customer_code', 'value' => '结算客户编码', ], [ 'key' =>'customer_title', 'value' => '结算客户', ], [ 'key' =>'product_code', 'value' => '存货编码', ], [ 'key' =>'product_title', 'value' => '存货名称', ], [ 'key' =>'product_size', 'value' => '规格型号', ], [ 'key' =>'unit', 'value' => '单位', ], [ 'key' =>'quantity', 'value' => '开票数量', ], [ 'key' =>'price_1', 'value' => '单价', ], [ 'key' =>'price_1_total', 'value' => '开票金额', ], [ 'key' =>'price_4', 'value' => '业务成本单价', ], [ 'key' =>'price_4_total', 'value' => '业务成本金额', ], [ 'key' =>'profit', 'value' => '毛利', ], [ 'key' =>'profit_rate', 'value' => '毛利率', ], ];