javascript获取服务器时间

fetch('/api/time')
  .then(response => response.json())
  .then(data => {
    const serverTime = new Date(data.time);
    console.log('服务器时间:', serverTime);
  })
  .catch(error => {
    console.error('获取服务器时间失败:', error);
  });

const express = require('express');
const app = express();

app.get('/api/time', (req, res) => {
  const serverTime = new Date();
  res.json({ time: serverTime.toISOString() });
});

app.listen(3000, () => {
  console.log('服务器运行在 http://localhost:3000');
});

app.use((req, res, next) => {
  res.header('Access-Control-Allow-Origin', '*');
  res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
  next();
});

fetch('/api/time', { timeout: 5000 })
  .then(response => response.json())
  .then(data => {
    const serverTime = new Date(data.time);
    console.log('服务器时间:', serverTime);
  })
  .catch(error => {
    console.error('获取服务器时间失败:', error);
  });