企业用车服务系统如何搭建

// 示例代码：React组件用于显示车辆状态
import React, { useState, useEffect } from 'react';

function VehicleStatus({ vehicleId }) {
  const [status, setStatus] = useState('');

  useEffect(() => {
    fetch(`/api/vehicles/${vehicleId}/status`)
      .then(response => response.json())
      .then(data => setStatus(data.status));
  }, [vehicleId]);

  return (
    <div>
      <h1>Vehicle {vehicleId} Status</h1>
      <p>{status}</p>
    </div>
  );
}

# 示例代码：Python Flask API用于获取车辆状态
from flask import Flask, jsonify

app = Flask(__name__)

@app.route('/api/vehicles/<int:vehicle_id>/status', methods=['GET'])
def get_vehicle_status(vehicle_id):
    # 这里应连接数据库或调用服务获取实际状态
    status = "Running"
    return jsonify({"status": status})

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

-- 示例代码：MySQL表结构设计
CREATE TABLE vehicles (
    id INT AUTO_INCREMENT PRIMARY KEY,
    license_plate VARCHAR(20) NOT NULL,
    model VARCHAR(50),
    status ENUM('Available', 'In Use', 'Maintenance') NOT NULL
);

// 示例代码：使用WebSocket实现实时数据更新
const socket = new WebSocket('ws://example.com/socket');

socket.onmessage = function(event) {
    const data = JSON.parse(event.data);
    updateVehicleStatus(data.vehicleId, data.status);
};