getPrice

计算价格

This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greasyfork.org/scripts/485233/1465118/getPrice.js

  const defaultRate = 7;
  const defaultShippingCost = 78;

  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 = 0.35;
    }
    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;
  }