js设置cookie

function setCookie(c_name,value,expiredays)//设置cookie { var exdate=new Date();//注意加密 var aa=exdate.getTime()+expiredays*3600*24*1000; document.cookie=c_name+ "=" + value+ ((expiredays==null) ? "" : ";expires="+aa) } setCookie('name', 'zhansgan', 1); function getCookie(name) {//获取cookie var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)"); if (arr = document.cookie.match(reg)) { console.log(arr[2]); return arr[2];//注意加密 } else { return null; } } ; getCookie('name');//删除cookie 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(); }