驱虫日历

复制from datetime import datetime, timedelta

# 驱虫类型配置：体内驱虫每3个月，体外驱虫每1个月
SCHEDULE = {
    "internal": 90,   # 体内驱虫间隔天数
    "external": 30,   # 体外驱虫间隔天数
}

def next_deworming(last_date: str, deworm_type: str) -> str:
    """计算下次驱虫日期"""
    if deworm_type not in SCHEDULE:
        raise ValueError(f"未知驱虫类型: {deworm_type}")
    
    last = datetime.strptime(last_date, "%Y-%m-%d")
    next_date = last + timedelta(days=SCHEDULE[deworm_type])
    return next_date.strftime("%Y-%m-%d")

# 示例：上次体内驱虫为2024-01-15
print(next_deworming("2024-01-15", "internal"))  # 2024-04-14

# 示例：上次体外驱虫为2024-03-01
print(next_deworming("2024-03-01", "external"))  # 2024-03-31

复制package main

import (
	"fmt"
	"time"
)

// DewormSchedule 驱虫间隔配置
type DewormSchedule struct {
	Internal int // 体内驱虫间隔天数
	External int // 体外驱虫间隔天数
}

var schedule = DewormSchedule{
	Internal: 90,
	External: 30,
}

// NextDeworming 计算下次驱虫日期
func NextDeworming(lastDate string, dewormType string) (string, error) {
	var interval int
	switch dewormType {
	case "internal":
		interval = schedule.Internal
	case "external":
		interval = schedule.External
	default:
		return "", fmt.Errorf("未知驱虫类型: %s", dewormType)
	}

	last, err := time.Parse("2006-01-02", lastDate)
	if err != nil {
		return "", err
	}

	next := last.AddDate(0, 0, interval)
	return next.Format("2006-01-02"), nil
}

func main() {
	// 示例：上次体内驱虫为2024-01-15
	result, _ := NextDeworming("2024-01-15", "internal")
	fmt.Println(result) // 2024-04-14

	// 示例：上次体外驱虫为2024-03-01
	result, _ = NextDeworming("2024-03-01", "external")
	fmt.Println(result) // 2024-03-31
}

复制// 驱虫间隔配置（天）
const SCHEDULE = {
  internal: 90,  // 体内驱虫
  external: 30,  // 体外驱虫
};

/**
 * 计算下次驱虫日期
 * @param {string} lastDate - 上次驱虫日期，格式 YYYY-MM-DD
 * @param {'internal'|'external'} type - 驱虫类型
 * @returns {string} 下次驱虫日期
 */
function nextDeworming(lastDate, type) {
  if (!SCHEDULE[type]) {
    throw new Error(`未知驱虫类型: ${type}`);
  }
  
  const last = new Date(lastDate);
  const next = new Date(last.getTime() + SCHEDULE[type] * 24 * 60 * 60 * 1000);
  
  // 格式化为 YYYY-MM-DD
  const year = next.getFullYear();
  const month = String(next.getMonth() + 1).padStart(2, '0');
  const day = String(next.getDate()).padStart(2, '0');
  
  return `${year}-${month}-${day}`;
}

// 示例
console.log(nextDeworming('2024-01-15', 'internal')); // 2024-04-14
console.log(nextDeworming('2024-03-01', 'external')); // 2024-03-31