js如何格式化当前日期格式

const date = new Date();

const year = date.getFullYear();
const month = String(date.getMonth() + 1).padStart(2, '0'); // 月份从0开始，需要加1
const day = String(date.getDate()).padStart(2, '0');

const formattedDate = `${year}-${month}-${day}`;
console.log(formattedDate); // 输出: "2023-04-10"

const date = new Date();
const options = { year: 'numeric', month: '2-digit', day: '2-digit' };
const formattedDate = date.toLocaleDateString('zh-CN', options);
console.log(formattedDate); // 输出: "2023/04/10" 或 "2023-04-10" 取决于浏览器设置

// 需要先引入moment.js库
const moment = require('moment');

const formattedDate = moment().format('YYYY-MM-DD');
console.log(formattedDate); // 输出: "2023-04-10"

// 需要先引入date-fns库
const { format } = require('date-fns');

const formattedDate = format(new Date(), 'yyyy-MM-dd');
console.log(formattedDate); // 输出: "2023-04-10"

function formatDate(date) {
  const year = date.getFullYear();
  const month = String(date.getMonth() + 1).padStart(2, '0');
  const day = String(date.getDate()).padStart(2, '0');
  return `${year}-${month}-${day}`;
}

const formattedDate = formatDate(new Date());
console.log(formattedDate); // 输出: "2023-04-10"