js 浏览器的cookie的操作

2018-07-12  本文已影响0人  sponing
export function getCookie(cname) {
  var name = cname + "=";
  var ca = document.cookie.split(";");
  for (var i = 0; i < ca.length; i++) {
    var c = ca[i];
    while (c.charAt(0) == " ") c = c.substring(1);
    if (c.indexOf(name) != -1) return c.substring(name.length, c.length);
  }
  return "";
}

export function setCookie (cname, cvalue, exdays) {
  var d = new Date();
  d.setTime(d.getTime() + exdays * 24 * 60 * 60 * 1000);
  var expires = "expires=" + d.toUTCString();
  // console.info(cname + "=" + cvalue + "; " + expires);
  document.cookie = cname + "=" + cvalue + "; " + expires;
  // console.info(document.cookie);
}

export function deleteCookie(cname) {
  var d = new Date();
  d.setTime(d.getTime() - 1 * 24 * 60 * 60 * 1000);
  var expires = "expires=" + d.toUTCString();
  document.cookie = cname + "=''; " + expires;
}

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