nodejs中的移动和web api错误案例

const express = require('express');
const app = express();
app.use((req, res, next) => {
  res.header('Access-Control-Allow-Origin', '*');
  res.header('Access-Control-Allow-Methods', 'GET,POST');
  next();
});

// 使用axios拦截器示例
axios.interceptors.response.use(response => {
  return response;
}, error => {
  if (error.response.status === 401) {
    return refreshToken().then(newToken => {
      error.config.headers.Authorization = `Bearer ${newToken}`;
      return axios(error.config);
    });
  }
  return Promise.reject(error);
});

const multer = require('multer');
const storage = multer.memoryStorage(); // 改为磁盘存储
const upload = multer({ storage });
app.post('/upload', upload.single('file'), (req, res) => {
  // 使用fs.createWriteStream处理文件流
});

// 使用转换中间件
app.use(express.json({
  reviver: (key, value) => key.toLowerCase() === 'username' ? value.trim() : value
}));

const ws = new WebSocket.Server({ port: 8080 });
ws.on('connection', (client) => {
  const heartbeat = setInterval(() => {
    client.ping();
  }, 30000);
  client.on('close', () => clearInterval(heartbeat));
});

app.use((err, req, res, next) => {
  res.status(500).json({
    code: 'API_ERROR',
    message: err.message
  });
});