/*
  *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 "";
  i = parseInt(i);
  try {
   n = wx.getStorageSync(e), n.expire > i || 0 == n.expire "", 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
 },