//刪除最后一頁所有數據后,自動定位到上一頁,但是頁面數據沒有
let totalPage = Math.ceil((this.totalPage - 1) / this.eachPage);
let currentPage = this.currentPage_yggl > totalPage ? totalPage : this.currentPage_yggl;
this.currentPage_yggl = currentPage < 1 ? 1 : currentPage;