登陆按钮的回车登陆事件和点击登陆事件

// enter键按下事件
$('body').keydown(function () {
        if(event.keyCode == '13'){
            var password = $("#password").val();
            var account = $("#account").val();
            var captcha = $("#captcha").val();
            var token = $('meta[name="_token"]').attr('content');

            $.ajax({
                type : "POST",
                url : "/user/login",
                data: {account:account, password:password, captcha:captcha},
                headers: {
                    'X-CSRF-TOKEN': token
                },
                success : function(data) {
                    if (data.errCode != '0')
                    {
                        layer.msg(data.errMsg, {icon:2});
                        $(this).removeClass('disable');
                        changeCode();
                        return ;
                    }

                    window.location.href =  '/';
                }
            })
        }
})

$("#submit").click(function(e){
   var password = $("#password").val();
   var account = $("#account").val();
   var captcha = $("#captcha").val();
   var token = $('meta[name="_token"]').attr('content');

   $.ajax({
        type : "POST",
        url : "/user/login",
        data: {account:account, password:password, captcha:captcha},
        headers: {
            'X-CSRF-TOKEN': token
        },
        success : function(data) {
            if (data.errCode != '0')
            {
                layer.msg(data.errMsg, {icon:2});
                $(this).removeClass('disable');
                changeCode();
                return ;
            }

            window.location.href =  '/';
        }
    })