汽车限号

复制import datetime
import requests

# 调用限行API获取当日限行尾号
# 假设API返回格式：{"city":"beijing","date":"2024-01-15","restricted":["1","6"]}

def get_restricted_plates(city: str, date: str = None) -> list:
    """
    获取指定城市指定日期的限行尾号列表
    city: 城市拼音，如 'beijing', 'tianjin'
    date: 日期字符串 'YYYY-MM-DD'，默认当天
    """
    if date is None:
        date = datetime.date.today().isoformat()
    
    url = f"https://api.example.com/restriction?city={city}&date={date}"
    
    try:
        resp = requests.get(url, timeout=5)
        resp.raise_for_status()
        data = resp.json()
        return data.get("restricted", [])
    except requests.RequestException as e:
        print(f"API请求失败: {e}")
        return []

# 示例：查询北京今日限行
restricted = get_restricted_plates("beijing")
print(f"今日限行尾号: {', '.join(restricted) if restricted else '不限行'}")
# 输出示例：今日限行尾号: 1, 6

复制package main

import (
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	"time"
)

// RestrictionResponse API响应结构
type RestrictionResponse struct {
	City       string   `json:"city"`
	Date       string   `json:"date"`
	Restricted []string `json:"restricted"`
}

// GetRestrictedPlates 获取指定城市限行尾号
func GetRestrictedPlates(city string, date string) ([]string, error) {
	if date == "" {
		date = time.Now().Format("2006-01-02")
	}

	url := fmt.Sprintf("https://api.example.com/restriction?city=%s&date=%s", city, date)
	
	resp, err := http.Get(url)
	if err != nil {
		return nil, fmt.Errorf("请求失败: %w", err)
	}
	defer resp.Body.Close()

	body, err := io.ReadAll(resp.Body)
	if err != nil {
		return nil, fmt.Errorf("读取响应失败: %w", err)
	}

	var result RestrictionResponse
	if err := json.Unmarshal(body, &result); err != nil {
		return nil, fmt.Errorf("解析JSON失败: %w", err)
	}

	return result.Restricted, nil
}

func main() {
	restricted, err := GetRestrictedPlates("beijing", "")
	if err != nil {
		fmt.Printf("错误: %v\n", err)
		return
	}
	
	if len(restricted) == 0 {
		fmt.Println("今日不限行")
	} else {
		fmt.Printf("今日限行尾号: %s\n", restricted)
	}
	// 输出示例：今日限行尾号: [1 6]
}

复制// 浏览器端通过fetch调用限行API
async function getRestrictedPlates(city, date = null) {
  if (!date) {
    date = new Date().toISOString().split('T')[0];
  }

  const url = `https://api.example.com/restriction?city=${city}&date=${date}`;

  try {
    const response = await fetch(url);
    if (!response.ok) {
      throw new Error(`HTTP error! status: ${response.status}`);
    }
    const data = await response.json();
    return data.restricted || [];
  } catch (error) {
    console.error('获取限行信息失败:', error);
    return [];
  }
}

// 示例：查询北京今日限行
(async () => {
  const restricted = await getRestrictedPlates('beijing');
  if (restricted.length === 0) {
    console.log('今日不限行');
  } else {
    console.log(`今日限行尾号: ${restricted.join(', ')}`);
  }
  // 输出示例：今日限行尾号: 1, 6
})();