export function cachePage(e) {
  let page = {}
  if (JSON.parse(localStorage.getItem(e))) {
    page = JSON.parse(localStorage.getItem(e))
    page.sum += 1
    localStorage.setItem(e, JSON.stringify(page))
  } else {
    page.name = e
    page.sum = 1
    localStorage.setItem(e, JSON.stringify(page))
  }
}
// 乘法计算
export function accMul(arg1, arg2) {
  let m = 0
  let s1 = arg1.toString()
  let s2 = arg2.toString()
  try {
    m += s1.split('.')[1] ? s1.split('.')[1].length : ''
  } catch (e) {}
  try {
    m += s2.split('.')[1] ? s2.split('.')[1].length : ''
  } catch (e) {}
  return (Number(s1.replace('.', '')) * Number(s2.replace('.', ''))) / Math.pow(10, m)
}