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//獲取cookie、
export function getCookie(name) {
  var arr,
    reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");
  if ((arr = document.cookie.match(reg))) return arr[2];
  else return null;
}

//設置cookie,增加到vue實例方便全局調用
export function setCookie(c_name, value, expiredays) {
  var exdate = new Date();
  exdate.setDate(exdate.getDate() + expiredays);
  document.cookie =
    c_name +
    "=" +
    escape(value) +
    (expiredays == null ? "" : ";expires=" + exdate.toGMTString());
}

//刪除cookie
export function delCookie(name) {
  var exp = new Date();
  exp.setTime(exp.getTime() - 1);
  var cval = getCookie(name);
  if (cval != null)
    document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString();
}