获取苹果官翻机价格 Get Refurbished Macbook Prices

get_renew_macbook.js

const https = require('https');

const url = 'https://www.apple.com.cn/shop/refurbished/mac/macbook-air-macbook-pro';

/**
 * 字符平衡计数法提取对象字符串
 */
function extractObject(html, marker) {
  const startIndex = html.indexOf(marker);
  if (startIndex === -1) return null;

  const jsonStartIndex = html.indexOf('{', startIndex);
  if (jsonStartIndex === -1) return null;

  let count = 0;
  for (let i = jsonStartIndex; i < html.length; i++) {
    if (html[i] === '{') {
      count++;
    } else if (html[i] === '}') {
      count--;
      if (count === 0) {
        return html.substring(jsonStartIndex, i + 1);
      }
    }
  }
  return null;
}

https
  .get(url, (res) => {
    let data = '';
    res.on('data', (chunk) => {
      data += chunk;
    });
    res.on('end', () => {
      // 1. 提取目标字符串
      const jsonStr = extractObject(data, 'window.REFURB_GRID_BOOTSTRAP');

      if (!jsonStr) {
        console.error('未找到 window.REFURB_GRID_BOOTSTRAP 数据');
        return;
      }

      try {
        // 2. 将字符串转换为 JS 对象
        // 使用 new Function 避免直接 eval 的作用域污染，同时兼容非标准 JSON 格式
        const bootstrapData = new Function(`return ${jsonStr}`)();

        // 模拟 window 环境执行用户逻辑
        const window = {REFURB_GRID_BOOTSTRAP: bootstrapData};

        // 3. 执行过滤逻辑
        const list = window.REFURB_GRID_BOOTSTRAP.tiles
          .filter((t) => t.filters.dimensions.refurbClearModel.startsWith('macbook'))
          .filter(
            (t) => t.filters.dimensions.dimensionRelYear === '2025' || t.filters.dimensions.dimensionRelYear === '2024'
          )
          .filter((t) => !t.title.includes('Pro 芯片') && !t.title.includes('Max 芯片'))
          .filter((t) => t.title.includes('M4') || t.title.includes('M5'))
          .filter((t) => parseInt(t.filters.dimensions.tsMemorySize) > 16)
          .filter((t) => parseInt(t.filters.dimensions.dimensionCapacity) > 256)
          .map((t) => {
            let chip1 = t.title.indexOf(' 芯片');
            let chip0 = chip1 > 0 ? t.title.lastIndexOf(' ', chip1 - 1) : -1;
            let chip = chip0 > 0 ? t.title.substring(chip0 + 1, chip1) : '--';
            if (chip === 'Pro' || chip === 'Max') {
              chip0 = t.title.lastIndexOf(' ', chip0 - 1);
              chip = chip0 > 0 ? t.title.substring(chip0 + 1, chip1) : '--';
            }
            let screen = t.filters.dimensions.dimensionScreensize.replace('inch', '英寸');
            if (t.title.includes('纳米纹理显示屏')) {
              screen += ' + 纳米纹理显示屏';
            }
            return {
              Model:
                {
                  macbookair: 'Macbook Air',
                  macbookpro: 'Macbook Pro',
                  macbook: 'Macbook',
                }[t.filters.dimensions.refurbClearModel] || t.filters.dimensions.refurbClearModel,
              Chip: chip,
              Memory: t.filters.dimensions.tsMemorySize.toUpperCase(),
              Storage: t.filters.dimensions.dimensionCapacity.toUpperCase(),
              Screen: screen,
              Year: t.filters.dimensions.dimensionRelYear,
              Price: parseInt(t.price.currentPrice.raw_amount),
              //   Link: 'https://www.apple.com.cn' + t.productDetailsUrl,
            };
          });

        console.table(list);
      } catch (e) {
        console.error('解析或逻辑执行失败:', e.message);
      }
    });
  })
  .on('error', (e) => {
    console.error('请求失败:', e.message);
  });