结合LayUI中的时间组件和Ftable字段去二开，新增时间选择字段，有可能会对其他人有用，就分享一下，代码回复就可以看到

private function _field_type_select($id, $type) {

        $arr = [
            0 => dr_lang('不使用'),
            1 => dr_lang('文本框'),
            2 => dr_lang('下拉选择框'),
            3 => dr_lang('时间日期'),
        ];

        $html = '<select class="form-control" name="data[setting][option][field]['.$id.'][type]">';
        foreach ($arr as $i => $name) {
            $html.= '<option '.($i == $type ? 'selected' : '').' value="'.$i.'">'.$name.'</option>';
        }
        $html.= '</select>';

        return $html;
    }

    private function _field_type_html($config, $cname, $value, $hang, $lie) {

        $html = '';
        if ($config['type'] == 1) {
            $html.= '<label><input type="text" class="form-control" name="data['.$cname.']['.$hang.']['.$lie.']" value="'.$value[$hang][$lie].'"></label>';
        } elseif ($config['type'] == 2) {
            $html = '<label><select class="form-control" name="data['.$cname.']['.$hang.']['.$lie.']">';
            $arr = explode(',', $config['option']);
            foreach ($arr as $name) {
                $html.= '<option '.($value[$hang][$lie] == $name ? 'selected' : '').' value="'.$name.'">'.$name.'</option>';
            }
            $html.= '</select></label>';
        }elseif ($config['type'] == 3) {
            $html = '
            <link href="'.ROOT_THEME_PATH.'layui/css/layui.css" rel="stylesheet" type="text/css" />
            <link href="'.ROOT_THEME_PATH.'layui/css/modules/laydate/default/laydate.css?v=5.0.9" rel="stylesheet" type="text/css" />
            <div class="layui-form">
              <div class="layui-form-item">
                <div class="layui-inline">
                  <div class="layui-input-inline">
                    <input type="text" class="layui-input timeSelect" value="'.$value[$hang][$lie].'" name="data['.$cname.']['.$hang.']['.$lie.']" placeholder="yyyy-MM-dd">
                  </div>
                </div>
              </div>
            </div>
            <script src="'.ROOT_THEME_PATH.'layui/layui.js" type="text/javascript"></script>
            <script src="'.ROOT_THEME_PATH.'layui/lay/modules/laydate.js" type="text/javascript"></script>
            <script>
            layui.use("laydate", function(){
                var laydate = layui.laydate;
                lay(".timeSelect").each(function(){
                    laydate.render({
                        elem: this,
                        theme: "grid"
                    });
                });
            });
            </script>
                ';
        }

        return $html;
    }