物联网应用开发限时秒杀

// 秒杀按钮点击事件
document.getElementById('seckill-btn').addEventListener('click', function() {
    // 显示加载动画
    this.disabled = true;
    this.innerHTML = '加载中...';

    // 发送秒杀请求
    fetch('/api/seckill', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
        },
        body: JSON.stringify({ productId: '12345' })
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            alert('秒杀成功！');
        } else {
            alert('秒杀失败，请重试。');
        }
        // 恢复按钮状态
        this.disabled = false;
        this.innerHTML = '立即秒杀';
    })
    .catch(error => {
        console.error('Error:', error);
        alert('网络异常，请稍后再试。');
        this.disabled = false;
        this.innerHTML = '立即秒杀';
    });
});

from flask import Flask, request, jsonify
import threading

app = Flask(__name__)

# 模拟库存
inventory = 100

@app.route('/api/seckill', methods=['POST'])
def seckill():
    global inventory
    if inventory > 0:
        inventory -= 1
        return jsonify({'success': True})
    else:
        return jsonify({'success': False})

if __name__ == '__main__':
    app.run(debug=True)