js添加查询删除cookie操作代码

© kekehu / 技术资源 / 2009.09.23 / 16:10 / 10110PV

function addCookie(objName,objValue,objHours) {
  var str = objName + "=" + escape(objValue);
  if(objHours > 0){
    var date = new Date();
    var ms = objHours*3600*1000;
    date.setTime(date.getTime() + ms);
    str += "; expires=" + date.toGMTString();
  }
  document.cookie = str;
}
function getCookie(objName) {
  var arrStr = document.cookie.split("; ");
  for(var i = 0;i < arrStr.length;i ++){
    var temp = arrStr[i].split("=");
    if(temp[0] == objName) return unescape(temp[1]);
  }
}
function delCookie(name) {
  var date = new Date();
  date.setTime(date.getTime() - 10000);
  document.cookie = name + "=a; expires=" + date.toGMTString();
}