wh_components/utils/index.js

郭炜恒的vue组件库

function deepGet(obj, keys, defaultVal) {
  let str = 
    (!Array.isArray(keys)
      ? keys.replace(/\[/g, '.').replace(/\]/g, '').split('.')
       : keys
    ).reduce((o, k) => (o || {})[k], obj)
    if(str+'' == 'undefined'|| str+'' == 'null' || str === '') return defaultVal
    else return str+''
}

function formatTime(timestamp, format) {
  if(!timestamp || !format) throw new Error("缺少必传参数")
  if (timestamp instanceof Date) timestamp = timestamp.getTime();
  if (typeof timestamp === 'string') {
    timestamp = Date.parse(timestamp);
    if(isNaN(timestamp)) throw new Error("请传入正确的参数格式")
  }
  if (timestamp.toString().length === 10) timestamp *= 1000;
  var date = new Date(timestamp);
  var year = date.getFullYear();
  var month = date.getMonth() + 1;
  var day = date.getDate();
  var hour = date.getHours();
  var minute = date.getMinutes();
  var second = date.getSeconds();
  var o = {
    "M+": month,
    "d+": day,
    "H+": hour,
    "m+": minute,
    "s+": second,
    "q+": Math.floor((month - 1) / 3) + 1,  // 季度
    "S": date.getMilliseconds() // 毫秒
  };
  if (/(y+)/.test(format)) {
    format = format.replace(RegExp.$1, (year + "").substr(4 - RegExp.$1.length));
  }
  for (var k in o) {
    if (new RegExp("(" + k + ")").test(format)) {
      format = format.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
    }
  }
  return format;
}

export { deepGet, formatTime }