微信小程序缓存过期时间的使用详情

 /
  创建缓存
   @param e 缓存名称
   @param t 缓存值
   @param i 缓存时间
  /
 setCache: function(e, t, i) {
  var n = +new Date / 1000,
   a = true,
   o = {
    expire: i ? n + parseInt(i) : 0,
    value: t
   };
  try {
   wx.setStorageSync(e, o)
  } catch (e) {
   a = false
  }
  return a
 },
 /
  获取缓存
   @param e 缓存名称
   @param t 缓存值
  /
 getCache: function(e, t) {
  var i = +new Date / 1000,
   n = "";
  i = parseInt(i);
  try {
   n = wx.getStorageSync(e), n.expire > i || 0 == n.expire ? n = n.value : (n = "", this.removeCache(e))
  } catch (e) {
   n = void 0 === t ? "" : t
  }
  return n = n || ""
 },
 /
  清除缓存
   @param e 缓存名称
  /
 removeCache: function(e) {
  var t = true;
  try {
   wx.removeStorageSync(e)
  } catch (e) {
   t = false
  }
  return t
 },