/**
              * 某行置灰 
              * @see zhihui
              * @param td 某行的一个td
              * @param flag true置灰，false不置灰
              * @author liuyang
              * @date 2019.12.12
              */
            function trDisable( td, flag) {
                var tr = td.parentNode.parentNode;
                var child = tr.children;
                $(child).each(function (index, element) {
                    $(element).find('input').each(function (i, e) {
                        $(e).attr("disabled", flag)
                    });
                    $(element).find('span').each(function (i, e) {
                        $(e).attr("class", flag == true ? "buttoun-submit" : "buttoun-default");
                        if (!flag) {
                            $(e).removeAttr("onclick");
                        }
                    });
                });
            }

            /**
              * 某行置灰 调用服务端
              * @param td 某行的一个td
              * @author liuyang
              * @date 2019.12.17
              */
            function trDisable2(td) {
                var tr = td.parentNode.parentNode;
                var child = tr.children;
                //判断bt_disabled功能
                if (child.length > 4 && child[4].className == "bt_disabled") {
                    var bt = child[4].children[0];
                    bt.click();
                }
            }