Cookie保存用户名和账户密码

cookiesRemember.js

//得到最后登录的用户
function GetLastUser() {
    var id = "49BAC005-7D5B-4231-8CEA-16939BEACD67";//GUID标识符
    var name = GetCookie(id);//取Cookie的值
    if (name != null) {
        document.getElementById('user_name').value = name;
    } else {
        document.getElementById('user_name').value = "";
    }
    GetPwdAndChk();//查看是否有对应的密码存在cookie
}
//用户名失去焦点时调用该方法,查看是否有对应的密码存在cookie
function GetPwdAndChk() {
var name = $("#user_name").val();
var password = GetCookie(name);//取Cookie的值
    if (password != null) {
    document.getElementById('checkboxLogin').checked = true;
        document.getElementById('user_password').value = password;
    } else {
    document.getElementById('checkboxLogin').checked = false;
        document.getElementById('user_password').value = "";
    }
}
//取Cookie的值
function GetCookie(name) {
    var arg = name + "=";
    var alen = arg.length;
    var clen = document.cookie.length;
    var i = 0;
    while (i < clen) {
        var j = i + alen;
       /*  alert(j); */
        if (document.cookie.substring(i, j) == arg) 
        return getCookieVal(j);//取到cookie的值
        i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0) 
        break;
    }
    return null;
}
//取到cookie的值
function getCookieVal(offset) {
var endstr = document.cookie.indexOf(";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}
//保存最后登录的用户的用户名
function SetLastUser(name) {
    var id = "49BAC005-7D5B-4231-8CEA-16939BEACD67";
    var expdate = new Date();
    //当前时间加上两周的时间
    expdate.setTime(expdate.getTime() + 14 * (24 * 60 * 60 * 1000));
    SetCookie(id, name, expdate);//写入到Cookie 
}
//写入到Cookie 
function SetCookie(name, value, expires) {
  var argv = SetCookie.arguments;
  //本例中length = 3
  var argc = SetCookie.arguments.length;
  var expires = (argc > 2) ? argv[2] : null;
  var path = (argc > 3) ? argv[3] : null;
  var domain = (argc > 4) ? argv[4] : null;
  var secure = (argc > 5) ? argv[5] : false;
  document.cookie = name + "=" + escape(value) + ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + ((path == null) ? "" : ("; path=" + path)) + ((domain == null) ? "" : ("; domain=" + domain)) + ((secure == true) ? "; secure" : "");
}
//如果没有选中记住密码,而当前用户又是cookie里面存在的，也可以清除掉cookie
function ResetCookie() {
alert("没有选中记住密码");
var name = $("#user_name").val();
var expdate = new Date();
SetCookie(name, null, expdate);//写入到Cookie 
}

user-login.jsp

<script type=text/javascript>

$(function(){
GetLastUser();
});

//登录
function login(){
var name = $("#user_name").val();
var password = $("#user_password").val();
var newUrl = "${url}";
if(name == "" || password == ""){
window.wxc.xcConfirm('用户名和密码不能为空', window.wxc.xcConfirm.typeEnum.info);
return;
}

var params = {
    "name" : name,
    "password" : password
};
//将最后一个用户信息写入到Cookie
    SetLastUser(name);
if(!$("#checkboxLogin").attr("checked")==false){
        alert("你选择了记住密码，我们将记住你的密码："+password);
        var expdate = new Date();
        expdate.setTime(expdate.getTime() + 14 * (24 * 60 * 60 * 1000));
        //将用户名和密码写入到Cookie
        SetCookie(name,password, expdate);
}
else {
        //如果没有选中记住密码,则立即过期
        ResetCookie();
    }

$.ajax({ 
type: "POST",
timeout: 20000,
url: '<%=request.getContextPath()%>/user/passport/login',
data: params,
dataType:"json",
success: function (data) {
if(data.returnCode == 0){
if(newUrl != null && newUrl != ""){ 
window.location.href = "<%=request.getContextPath()%>"+"/"+newUrl;
} else {
window.location.href = "<%=request.getContextPath()%>/user/zonglan"; 
}
}else{
window.wxc.xcConfirm(data.returnMsg, window.wxc.xcConfirm.typeEnum.error);
}
      },
      error: function (XMLHttpRequest, textStatus, errorThrown) {
          if(textStatus == 'timeout'){
         window.wxc.xcConfirm('请求超时', window.wxc.xcConfirm.typeEnum.error);
          }else{
         window.wxc.xcConfirm('连接异常', window.wxc.xcConfirm.typeEnum.error);
            }
      },
      complete: function(xhr, ts){
          
        }
});
}

</script>

<input type="text" placeholder="请输入手机号/邮箱" class="login_int" id="user_name" onblur="GetPwdAndChk()" >

<input type="password" placeholder="请输入密码" class="login_int" id="user_password">

<a href="javascript:void(0);" onclick="login();">立即登录</a>