1、未登录状态下进行拦截,回到登录页面

function judgeLogin(currentPage) {
    var judge=false;
    var storage=window.localStorage;
    var json=storage.getItem("loginMember");
    var loginMember=JSON.parse(json);
    if(null==loginMember||undefined==loginMember) {
        window.location = 'login.html';
        return judge;
    }
}

2、登录时将登录信息存进缓存

<script type="text/javascript">
      var storage = window.localStorage;
      var json = storage.getItem("loginMember");
      var loginMember = JSON.parse(json);
      $("#uid").html(loginMember.uid);
      $("#nickname").html(loginMember.nickname);
</script>

3、获取缓存中的登录信息

<script type="text/javascript">
    //获取登录信息
    var storage = window.localStorage;
    var json = storage.getItem("loginMember");
    var loginMember = JSON.parse(json);
    $("#uid").html(loginMember.uid);</script>