{{item.label}} {{ "订单编号: " + item.orderNo }} {{ item.statusName }} {{item.studentPaymentOrderDetails[0].goodsName}} {{item.studentPaymentOrderDetails[0].typeName}} ¥ 共 {{ item.studentPaymentOrderDetails.length }} 件 {{ "已优惠 ¥ " + my.formatValue(my.sumArray(item.studentPaymentOrderDetails, 'originalPrice') - my.sumArray(item.studentPaymentOrderDetails, 'paymentCashAmount')) }} 当前暂无订单 var sumArray = function (value, key) { return value.reduce(function (num, item) { return item[key] + num }, 0) } var formatValue = function (value) { return parseFloat(value).toFixed(2); } module.exports = { sumArray: sumArray, formatValue: formatValue }