$(function () {
    $("#UserId").keydown(input_onkeydown);
    $("#Password").keydown(input_onkeydown);
    $("#Code").keydown(input_onkeydown);
    $("#btn_login").click(btn_login_click);
});
function input_onkeydown(e) {
    if (e.which == 13) {
        $('#btn_login').click();
    }
}
function btn_login_click() {
    var sUserId = $('#UserId').val();
    var sPassword = $('#Password').val();
    var sCode = $('#Code').val();
    if (sUserId == "") {
        showMsg("帐户不能为空！")
        $('#UserId').focus();
    }
    else if (sPassword == "") {
        showMsg("密码不能为空！")
        $('#Password').focus();
    }
    else if (sCode == "") {
        showMsg("请输入校验码！");
        $('#Code').focus();
    }
    else {
        showMsg('登录中...');
        $.ajax({
            url: _json_base.SourcePath + '/all_login_ajax.ashx', type: 'POST',
            data: {
                action: 'DoLogin', said: _json_base.said, UserId: sUserId, Password: sPassword, Code: sCode
            },
            dataType: 'text', cache: false,
            success: function (result, s, r) {
                if (result == 'ok') {
                    showMsg('登录成功！');
                    location.href = _json_base.rurl;
                }
                else {
                    showMsg(result);
                    $('#CodeImg').attr('src', $('#CodeImg').attr('src') + '?');
                    $('#Code').val('');
                }
            },
            error: function (r, s, err) {
                showMsg('登录出现错误！');
            },
            complete: function (r, s) {
                //
            }
        });
    }
}

function showMsg(s) {
    $('#div_msg').html(s);
}