简单封装cookie操作

  1 //设置cookie
  2 function setCookie(name, value, day) {
  3 var oDate = new Date();
  4 oDate.setDate(oDate.getDate() + day);
  5 document.cookie = name + '=' + value + ';expires=' + oDate;
  6 }
  7 //删除cookie
  8 function delCookie(name) {
  9 setCookie(name, 1, -1);
 10 }
 11
 12 //获取cookie
 13 function getCookie(name) {
 14 var arr = document.cookie.split('; ');
 15 for(var i = 0; i < arr.length; i++) {
 16 var arrName = arr[i].split('=');
 17 if(arrName[0] == name) {
 18 return arrName[1];
 19 }
 20 }
 21 return '';
 22 }