$(".submit").click(function(){

    var username = $('input[name=username]').val();
    var password = $('input[name=password]').val();

    if(username == "" || password == ""){

    if(username == ""){
        $(".username_erro").text('请输入用户名');
        $(".username_erro").show();
        return;
    }

    if(password == ""){
        $(".password_erro").text('请输入密码');
        $(".password_erro").show();
        return;
    }
    }
    else{
        $("#TencentCaptcha").trigger("click");

        // $('#login_form').submit();
    }

    if(username !=""){
        $(".username_erro").hide();
    }
    if(password!=""){
        $(".password_erro").hide();
    }

})

//拼图验证
window.callback = function(res){
    if(res.ret === 0){
        var username = $('input[name=username]').val();
        var password = $('input[name=password]').val();
        var ticket = res.ticket;
        var randstr = res.randstr;

        $.ajax({
            type: 'POST',
            url: '/login',
            data: {username:username,password:password,ticket:ticket,randstr:randstr},
            success: function(json) {
                // console.log(json);
                if(json.code == 1) {
                    window.location.href = json.url;
                }else if (json.code == -1){
                    $(".username_erro").text(json.msg);
                    $(".username_erro").show();
                }else if (json.code == -2){
                    $(".password_erro").text(json.msg);
                    $(".password_erro").show();
                    $('input[name=password]').val("");
                }else {
                    layer.alert(json.msg);

                }
            },
            dataType: 'json',
            error: function () {
                alert('网络错误，请刷新页面重试');
            }
        });
    }
}


// 失去焦点
$("#username").on('blur',function(){
var username = $(this).val();
if(username == ""){
    $(".username_erro").text('请输入用户名');
    $(".username_erro").show();

}  else{
    $(".username_erro").hide();
}
})

$("#password").on('blur',function(){
var password = $(this).val();
if(password == ""){
    $(".password_erro").text('请输入密码');
    $(".password_erro").show();

}else{
    $(".password_erro").hide();
}
})



// 记住账号

   window.onload = function(){
    var name = document.getElementById("username");
    var pswd = document.getElementById("password");
    var dl = document.getElementById("dl");
    var remember = document.getElementById("but1");
//		var cuser = document.cookie = "user"+"="+name.value+";";
//		var cpswd = document.cookie = "password"+"="+pswd.value+";";
    //页面初始化时，如果帐号密码cookie存在则填充
    if(getCookie('username')&& getCookie('password')){
        name.value = getCookie('username');
        // pswd.value = getCookie('password');
        remember.checked = true;
    }
    //复选框勾选状态发生改变时，如果未勾选则清除cookie
    remember.onchange = function(){
        if(!this.checked){
            delCookie('username');
            delCookie('password');
        }
        else{
            tips.style.display = "black";
        }
    }
    //表单提交事件触发时，如果复选框是勾选状态则保存cookie
    dl.onclick =function(){
        if(remember.checked){ 
            setCookie('username',name.value,30); //保存帐号到cookie，有效期30天
            setCookie('password',pswd.value,30); //保存密码到cookie，有效期30天
          }
    }
};
    
//设置cookie
    function setCookie(name,value,day){
        var date = new Date();
        date.setDate(date.getDate() + day);
        document.cookie = name + '=' + value + ';expires='+ date;
     };
    
//获取cookie
    function getCookie(name){
        var reg = RegExp(name+'=([^;]+)');
        var arr = document.cookie.match(reg);
        if(arr){
          return arr[1];
        }else{
          return '';
        }
     };
    
//删除cookie
    function delCookie(name){
        setCookie(name,null,-1);
     }
     
//判断IE浏览器版本（IE8及以下）  
var DEFAULT_VERSION = 8.0;  
var ua = navigator.userAgent.toLowerCase();  
var isIE = ua.indexOf("msie")>-1;  
var safariVersion;  
if(isIE){  
safariVersion =  ua.match(/msie ([\d.]+)/)[1];  
}  
if(safariVersion <= DEFAULT_VERSION ){ 
    $(".remember input").show();
    $(".remember label").hide(); 
};