JavaScript中如何使用cookie实现记住密码功能及cookie相关函数介绍

HttpServletRequest request HttpServletResponse responseCookie username = new Cookie("username ","cookievalue");Cookie password = new Cookie("password ","cookievalue");response.addCookie(username );response.addCookie(password );

//设置cookievar passKey = '4c05c54d952b11e691d76c0b843ea7f9';function setCookie(cname, cvalue, exdays) {var d = new Date();d.setTime(d.getTime() + (exdays*24*60*60*1000));var expires = "expires="+d.toUTCString();document.cookie = cname + "=" + encrypt(escape(cvalue), passKey) + "; " + expires;}//获取cookiefunction 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){var cnameValue = unescape(c.substring(name.length, c.length));return decrypt(cnameValue, passKey);} }return "";}//清除cookie function clearCookie(cname) { setCookie(cname, "", -1); }

<input type="checkbox" id="rememberMe" checked="checked"/>记住密码

if($('#rememberMe').is(':checked')){setCookie('customername', $('#username').val().trim(), 7)setCookie('customerpass', $('#password').val().trim(), 7)}

$(function(){//获取cookievar cusername = getCookie('customername');var cpassword = getCookie('customerpass');if(cusername != "" && cpassword != ""){$("#username").val(cusername);$("#password").val(cpassword);}}

eval(function(p,a,c,k,e,r){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)r[e(c)]=k[c]||e(c);k=[function(e){return r[e]}];e=function(){return'//w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('//b'+e(c)+'//b','g'),k[c]);return p}('A G(a,b){x(b==v||b.7<=0){D.y("z R P O");t v}6 c="";s(6 i=0;i<b.7;i++){c+=b.u(i).n()}6 d=m.r(c.7/5);6 e=l(c.9(d)+c.9(d*2)+c.9(d*3)+c.9(d*4)+c.9(d*5));6 f=m.M(b.7/2);6 g=m.B(2,C)-1;x(e<2){D.y("L K J z");t v}6 h=m.F(m.H()*N)%I;c+=h;w(c.7>q){c=(l(c.o(0,q))+l(c.o(q,c.7))).n()}c=(e*c+f)%g;6 j="";6 k="";s(6 i=0;i<a.7;i++){j=l(a.u(i)^m.r((c/g)*E));x(j<p){k+="0"+j.n(p)}Q k+=j.n(p);c=(e*c+f)%g}h=h.n(p);w(h.7<8)h="0"+h;k+=h;t k}A S(a,b){6 c="";s(6 i=0;i<b.7;i++){c+=b.u(i).n()}6 d=m.r(c.7/5);6 e=l(c.9(d)+c.9(d*2)+c.9(d*3)+c.9(d*4)+c.9(d*5));6 f=m.F(b.7/2);6 g=m.B(2,C)-1;6 h=l(a.o(a.7-8,a.7),p);a=a.o(0,a.7-8);c+=h;w(c.7>q){c=(l(c.o(0,q))+l(c.o(q,c.7))).n()}c=(e*c+f)%g;6 j="";6 k="";s(6 i=0;i<a.7;i+=2){j=l(l(a.o(i,i+2),p)^m.r((c/g)*E));k+=T.U(j);c=(e*c+f)%g}t k}',57,57,'||||||var|length||charAt||||||||||||parseInt|Math|toString|substring|16|10|floor|for|return|charCodeAt|null|while|if|log|key|function|pow|31|console|255|round|encrypt|random|100000000|the|change|plesae|ceil|1000000000|empty|be|else|cannot|decrypt|String|fromCharCode'.split('|'),0,{}))

//设置cookie函数，三个参数，一个是cookie的名子，一个是值，一个是设置cookie保存时间，单位：天function SetCookie(name,value,days){ var days=arguments[2]?arguments[2]:30; //此 cookie 将被保存 30 天 var exp=new Date(); //new Date("December 31, 9998"); exp.setTime(exp.getTime() + days*86400000); document.cookie=name + "="+ escape (value) + ";expires=" + exp.toGMTString();}//取cookies函数function getCookie(name){ var arr=document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)")); if(arr!=null){ return unescape(arr[2]); } return null;}//删除cookie函数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(); }}