计算价格
目前為
此腳本不應該直接安裝,它是一個供其他腳本使用的函式庫。欲使用本函式庫,請在腳本 metadata 寫上: // @require https://update.cn-greasyfork.org/scripts/485233/1449666/getPrice.js
const defaultRate = 6.8;
const defaultShippingCost = 75;
function getPrice(cost, weight) {
if (cost > 350) {
alert('价格太高,请自行计算!');
return 0;
}
let proRate = 0;
if (cost <= 50) {
proRate = 0.5;
}
if (cost <= 100 && cost > 50) {
proRate = 0.4;
}
if (cost <= 250 && cost > 100) {
proRate = 0.32;
}
if (cost <= 350 && cost > 250) {
proRate = 0.35;
}
const rate = defaultRate * 0.944 * 0.985;
const shippingCost = defaultShippingCost + 10;
if (weight !== 0) {
const price = (cost + cost * proRate + weight * shippingCost) / rate;
return Math.ceil(price);
}
return 0;
}