互动直播限时秒杀

// 监听秒杀按钮点击事件
document.getElementById('seckill-btn').addEventListener('click', function() {
    // 发送秒杀请求到后端
    fetch('/api/seckill', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
        },
        body: JSON.stringify({ productId: '123456' })
    }).then(response => response.json())
      .then(data => {
          if (data.success) {
              alert('秒杀成功！');
          } else {
              alert('秒杀失败，请重试！');
          }
      }).catch(error => {
          console.error('Error:', error);
          alert('网络异常，请稍后再试！');
      });
});

const express = require('express');
const app = express();
const bodyParser = require('body-parser');

app.use(bodyParser.json());

app.post('/api/seckill', (req, res) => {
    const productId = req.body.productId;
    // 这里应添加库存检查、订单生成等逻辑
    // 假设秒杀成功
    res.json({ success: true });
});

app.listen(3000, () => {
    console.log('Server is running on port 3000');
});