var loginCookieName ;
function verify()
{
    let loginNum = 0;
    const username = $.trim($("#username").val());
    let password;
    const obj = document.getElementById("eye");
    if(obj.getAttribute("src") == 'images/close.png')
    {
        password = $.trim($("#password").val());
    }else{
        password = $.trim($("#password2").val());
        $("#password").val($("#password2").val());
    }

    if (username == "")
    {
        $("#errorMsg").html("请输入用户名");
        return false;
    }

    if (TextValidate(username))
    {
        $("#errorMsg").html("请检查用户名是否正确");
        return false;
    }

    if (password == "")
    {
        $("#errorMsg").html("请输入密码");
        return false;
    }

    const remember = document.getElementById("remember");
    if(remember.checked == true)
    {
        savePwd();
    }

    //COOKIE NAME
    loginCookieName = 'LOGIN_COOKIE_NAME_'+username.toLocaleUpperCase();
    const cookie = slideVerifyGetCookie(loginCookieName);
    if(cookie!=null)
    {
        loginNum = cookie;
    }
    loginNum++;
    //登录计数
    if(loginNum > 3)
    {
        showWindow();
        return false;
    }
    //保存登录次数
    slideVerifySetCookie(loginCookieName,loginNum);
    //登录
    check();
}

//写cookies
function slideVerifySetCookie(name,value)
{
    var exp = new Date();
    //有效时间为30分钟
    exp.setTime(exp.getTime() + 0.5*60*60*1000);
    document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();
}

//读cookies
function slideVerifyGetCookie(name)
{
    var arr,reg=new RegExp("(^| )"+name+"=([^;]*)(;|$)");
    if(arr = document.cookie.match(reg))
    {
        return unescape(arr[2]);
    }else{
        return null;
    }
}

//重置cookies
function slideVerifyResetCookie(name)
{
    var exp = new Date();
    exp.setTime(exp.getTime() - 1);
    document.cookie = name + "="+ escape ('0') + ";expires=" + exp.toGMTString();
}

// 显示滑动校验层
function showWindow()
{
    slideVerifyRefresh();
    $('#slidingCheck').css('display','block');  //显示滑动校验层
    $('#cover').css('display','block'); //显示遮罩
}

// 关闭滑动校验层
function closeWindow()
{
    slideVerifyRefresh();
    $('#slidingCheck').css('display','none');  //关闭滑动校验层
    $('#cover').css('display','none');   //关闭遮罩层
}

//刷新验证
function slideVerifyRefresh()
{
    var e = document.createEvent("MouseEvents");
    e.initEvent("click", true, true);
    document.getElementsByClassName("slide-verify-btn")[0].dispatchEvent(e);
}

//校验特殊字符
function TextValidate(value)
{
    var flag = false;
    //判断是否包含
    var pattern = new RegExp("[`~!#$%^&*()+=<>?:\"{}|,\\/;'\\\\[\\]~！#￥%……&*（）\\+={}|《》？：“”【】、；‘'，。、]");
    if (value != null && value != "")
    {
        if (value.trim().length === 0)
            flag = true;
        else
            flag = pattern.test(value);
    } else {
        flag = false;
    }
    return flag;
}