easyui datagrid checkbox初始化某几行disabled时，点击全选还是可以选择 解决办法

$("#body_feetotal").datagrid({            method: "get",            pagination: true,            singleSelect: false,            rownumbers: true,            showFooter: true,            pageSize: 20,            fit: true,            toolbar: "#feetotal_toolbar",            checkOnSelect: false,            fitColumns: false,            onLoadSuccess: function(data) {                if (data.rows.length > 0) {                    for (var i = 0; i < data.rows.length; i++) {                        if (data.rows[i].checkId == "1") {                            $("input[type='checkbox']")[i + 1].disabled = true;                        }                    }                }            },            onClickRow: function(rowIndex, rowData) {                $("#body_feetotal").datagrid("unselectAll");                $("#body_feetotal").datagrid("selectRow", rowIndex);            },            onCheck: function(index, row) {                $("#body_feetotal").datagrid("unselectAll");                $("#body_feetotal").datagrid("selectRow", index);            },            <span style="color:#ff0000;">onCheckAll: function(rows) {                $("input[type='checkbox']").each(function(index, el) {                    console.log(el.disabled)                    if (el.disabled) {                        $("#body_feetotal").datagrid('uncheckRow', index - 1);<span style="white-space:pre"></span>//此处参考其他人的代码，原代码为unselectRow                    }                })            },</span>            columns: [[                    {                        field: "ck",                        checkbox: true                    },                    {                        field: "checkId",                        title: "复核",                        multiSort: true,                        formatter: function(value) {                            if (value == "1") {                                return "√";                            } else {                                return "";                            }                        },                        halign: "center",                        align: "center",                        sortable: true                    }                    ,                    {                        field: "feeNam",                        title: "费用名称",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "iEIdNam",                        title: "进出口标志",                        multiSort: true,                        halign: "center",                        sortable: true                    },                    {                        field: "cntr",                        title: "箱号",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "workWayNam",                        title: "作业方式",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "feeTon",                        title: "计费量",                        multiSort: true,                        halign: "center",                        formatter: function(value) {                            return HdUtils.formatter.precisionCommon(value, 3);                        },                        align: "right",                        sortable: true                    },                    {                        field: "measureUnitNam",                        title: "计量单位",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "pileDays",                        title: "次/天数",                        multiSort: true,                        align: "right",                        halign: "center",                        formatter: function(value) {                            return HdUtils.formatter.precisionCommon(value, 2);                        },                        sortable: true                    }                    ,                    {                        field: "feeValue",                        title: "单价",                        multiSort: true,                        halign: "center",                        align: "right",                        formatter: function(value) {                            return HdUtils.formatter.precisionCommon(value, 2);                        },                        sortable: true                    }                    ,                    {                        field: "amount",                        title: "金额",                        multiSort: true,                        halign: "center",                        align: "right",                        formatter: function(value) {                            return HdUtils.formatter.precisionCommon(value, 2);                        },                        sortable: true                    }                    ,                    {                        field: "discountRat",                        title: "折扣率",                        multiSort: true,                        halign: "center",                        formatter: function(value) {                            return HdUtils.formatter.precisionCommon(value, 4);                        },                        sortable: true                    }                    ,                    {                        field: "currencyNam",                        title: "币种代码",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "abstract",                        title: "摘要",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "freeId",                        title: "免费标志",                        multiSort: true,                        formatter: function(value) {                            if (value == "1") {                                return "√";                            } else {                                return "";                            }                        },                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "billNo",                        title: "提单号",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "shipNam",                        title: "船名",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "voyage",                        title: "航次",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "feeUnitNam",                        title: "付费单位",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "cntrCorpNam",                        title: "箱公司",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "insAccount",                        title: '创建人',                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "insTimestamp",                        title: '创建时间',                        multiSort: true,                        halign: "center",                        formatter: function(value) {                            if (value != null && value != undefined) {                                return new Date(value).format("yyyy-MM-dd hh:mm:ss");                            } else {                                return value;                            }                        },                        width: 180,                        sortable: true                    }                    ,                    {                        field: "shipCod",                        title: "船代码",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,//                    {//                        field: "feeBillNo",//                        title: "账单号",//                        multiSort: true,//                        halign: "center",//                        sortable: true//                    }//                    ,                    {                        field: "cntrSizCod",                        title: "尺寸",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "cntrTypCod",                        title: "类型",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "checkNam",                        title: "复核人",                        multiSort: true,                        halign: "center",                        sortable: true                    }                    ,                    {                        field: "checkDte",                        title: "复核日期",                        multiSort: true,                        halign: "center",                        formatter: function(value) {                            if (value != null && value != undefined) {                                return new Date(value).format("yyyy-MM-dd hh:mm:ss");                            } else {                                return value;                            }                        },                        width: 180,                        sortable: true                    }                ]]        });