将每个整型行转换为字符，将字符串转换为日期

let num = 123;
let str = num.toString();
console.log(str); // 输出 "123"

num = 123
str = str(num)
print(str) # 输出 "123"

let dateString = "2022-01-01";
let date = new Date(dateString);
console.log(date); // 输出日期对象

// 或者使用Date.parse()方法
let timestamp = Date.parse(dateString);
let date = new Date(timestamp);
console.log(date); // 输出日期对象

from datetime import datetime

dateString = "2022-01-01"
date = datetime.strptime(dateString, "%Y-%m-%d")
print(date) # 输出日期对象