Easyui 去掉datagrid 行的样式，并点击checked 改边行颜色！

/* 初始化DataFrid数据 */
    initDataGrid: function () {
        var pNumber = 0;
        var pSize = 10;
        $(‘#listBuyer‘).datagrid({
            method: ‘post‘,
            url: ‘PR012_TradeRelationService.ashx?Method=GetPR012_TradeRelation_New&type=1&tradeID=‘ + $("#PC010_TradeIDDetail").val(),
            nowrap: true,
            fitColumns: false, ////为了冻结列！这里一定要设置为false        
            loadMsg: ‘正在加载数据...‘,

            showFooter: true,
            pagination: true,
            pageSize: 20, //每页显示的记录条数，默认为10
            pageNumber: 1, //默认的页码
            pageList: [30, 20, 10], //可以设置每页记录条数的列表   
            frozenColumns: [[{ title: ‘唯一ID‘, field: ‘PC012_RelationID‘, width: 100, checkbox: true },
                        { title: ‘受让方名称‘, field: ‘EC101_WRYMC‘, width: 300,
                            formatter: function (value, row, index) {  //判断 1选中 0未选中
                                if (row.relation == 1) {
                                    initTool.indexs += index + ",";
                                } else if (row.relation == 0) {
                                    initTool.indexs0 += index + ",";
                                }
                                return value;
                            }
                        },
                        { title: ‘项目名称‘, field: ‘PC004_ProjectName‘, width: 300 }
            //                        { title: ‘zd‘, field: ‘zd‘, width: 300 }
            //                        ,
            //                        { title: ‘录入人‘, field: ‘UserName‘, width: 80 }
                        ]],
            columns: [[
                        { title: ‘化学需氧量‘, align: ‘center‘ },
                        { title: ‘氨氮‘, align: ‘center‘ },
                        { title: ‘二氧化硫‘, align: ‘center‘ },
                        { title: ‘氮氧化物‘, align: ‘center‘ }
                        ],
                        [
                { title: ‘需求量</br>(吨)‘, field: ‘cod_count‘, width: 170, align: ‘center‘,
                    formatter: function (value, row, index) {
                        var str = "0";
                        if (value) {
                            str = value;
                        }
                        if (str == "0")
                            return "/";
                        else
                            return parseFloat(str).toFixed(4);
                    }
                },
                { title: ‘需求量</br>(吨)‘, field: ‘nh3_count‘, width: 170, align: ‘center‘,
                    formatter: function (value, row, index) {
                        var str = "0";
                        if (value) {
                            str = value;
                        }
                        if (str == "0")
                            return "/";
                        else
                            return parseFloat(str).toFixed(4);
                    }
                },
                { title: ‘需求量</br>(吨)‘, field: ‘so2_count‘, width: 170, align: ‘center‘,
                    formatter: function (value, row, index) {
                        var str = "0";
                        if (value) {
                            str = value;
                        }
                        if (str == "0")
                            return "/";
                        else
                            return parseFloat(str).toFixed(4);
                    }
                },
                { title: ‘需求量</br>(吨)‘, field: ‘nox_count‘, width: 170, align: ‘center‘,
                    formatter: function (value, row, index) {
                        var str = "0";
                        if (value) {
                            str = value;
                        }
                        if (str == "0")
                            return "/";
                        else
                            return parseFloat(str).toFixed(4);
                    }
                }
            ]],
            toolbar: ‘#tbBuyer‘, // id 为tb的Div 详细 查看前台页面HTML代码
            rowStyler: function (index, row) {
                var rows = $("#listBuyer").datagrid("selectRow"); // 
                if (rows) {
                    return ‘color:#000000;‘;
                } else {
                    return ‘color:#C0C0C0;‘;
                }
            },
            onBeforeLoad: function () {
                $(this).datagrid(‘rejectChanges‘);
            }, //选中变黑色
            onSelect: function (index, row) {
                var opt = $(this).datagrid("options");
                var rows1 = opt.finder.getTr(this, "", "selected", 1);
                var rows2 = opt.finder.getTr(this, "", "selected", 2);
                if (rows1.length > 0) {
                    $(rows1).each(function () {
                        var tempIndex = parseInt($(this).attr("datagrid-row-index"));
                        if (tempIndex == index) {
                            $(this).css(‘color‘, ‘#000000‘);
                        }
                    });
                }
                if (rows2.length > 0) {
                    $(rows2).each(function () {
                        var tempIndex = parseInt($(this).attr("datagrid-row-index"));
                        if (tempIndex == index) {
                            $(this).css(‘color‘, ‘#000000‘);
                        }
                    });
                }

            }, //取消选中变灰色
            onUnselect: function (index, row) {
                var opt = $(this).datagrid("options");
                var rows1 = opt.finder.getTr(this, "", "allbody", 1);
                var rows2 = opt.finder.getTr(this, "", "allbody", 2);
                if (rows1.length > 0) {
                    $(rows1).each(function () {
                        var tempIndex = parseInt($(this).attr("datagrid-row-index"));
                        if (tempIndex == index) {
                            $(this).css(‘color‘, ‘#C0C0C0‘);
                        }
                    });
                }
                if (rows2.length > 0) {
                    $(rows2).each(function () {
                        var tempIndex = parseInt($(this).attr("datagrid-row-index"));
                        if (tempIndex == index) {
                            $(this).css(‘color‘, ‘#C0C0C0‘);
                        }
                    });
                }
            },
            onUncheck: function (index, row) {
                initTool.AddUpdate(1, 4);
            },
            onCheck: function (index, row) {
                initTool.AddUpdate(1, 4);
                var opt = $(this).datagrid("options");
                var rows1 = opt.finder.getTr(this, "", "selected", 1);
                var rows2 = opt.finder.getTr(this, "", "selected", 2);
                if (rows1.length > 0) {
                    $(rows1).each(function () {
                        $(this).removeClass("datagrid-row-selected");
                    });
                }
                if (rows2.length > 0) {
                    $(rows2).each(function () {
                        $(this).removeClass("datagrid-row-selected");
                    });
                }

            },
            //            onClickRow: function (rowIndex, rowData) {
            //                //                alert(rowData["PC012_RELATIONID"]);
            //                //                alert(rowData["EC101_WRYMC"]);
            //                var row = $("#listBuyer").datagrid("getSelected"); // 获取选中项
            //                if (row) {
            //                    $(‘#A1‘).linkbutton(‘enable‘);
            //                    initTool.AddUpdate(1, 4);
            //                } else {
            //                    $(‘#A1‘).linkbutton(‘disable‘);
            //                }
            //            },
            onDblClickRow: function (rowIndex, rowData) {
                //$("#list").datagrid("unselectAll"); //取消所有
                //$("#list").datagrid("selectRow", rowIndex); //选中当前行
                //修改操作
                //initTool.edit();
            },
            onLoadSuccess: function (data) {
                //                var pr1 = eval(data).total;
                //                initTool.pr = pr1;
                //alert(eval(data).total);
                if ($("#ck").val() == "loadck") {
                    var rows = $(‘#listBuyer‘).datagrid(‘getRows‘);
                    if (initTool.indexs != null && initTool.indexs != "") {
                        //循环出 选中的下标，选中
                        var cd = initTool.indexs;
                        //                        var cd = initTool.indexs.substring(0, c.length - 1);
                        //                        alert(cd.split(","));
                        var a = cd.split(",");
                        for (var i = 0; i < a.length; i++) {
                            $("#listBuyer").datagrid("selectRow", a[i]);
                        }
                        //循环出 未选中的，以便改变颜色
                        var cd0 = initTool.indexs0;
                        var a0 = cd0.split(",");

                        for (var j = 0; j < a0.length; j++) {
                            var opt = $(this).datagrid("options");
                            var rows1 = opt.finder.getTr(this, "", "allbody", 1);
                            var rows2 = opt.finder.getTr(this, "", "allbody", 2);
                            //                            if (rows1.length >= 0) {
                            if (a0[j] != null && a0[j] != "") {
                                $(rows1).each(function () {
                                    var tempIndex = parseInt($(this).attr("datagrid-row-index"));
                                    if (tempIndex == a0[j]) {
                                        $(this).css(‘color‘, ‘#C0C0C0‘);
                                    }
                                });
                                //                            }
                                //                            if (rows2.length >= 0) {
                                $(rows2).each(function () {
                                    var tempIndex = parseInt($(this).attr("datagrid-row-index"));
                                    if (tempIndex == a0[j]) {
                                        $(this).css(‘color‘, ‘#C0C0C0‘);
                                    }
                                });
                            }
                        }
                    }
                } else {
                    //                    $(‘#listBuyer‘).datagrid(‘selectAll‘);
                    $(‘#listBuyer‘).datagrid(‘checkAll‘);
                    var opt = $(this).datagrid("options");
                    var rows1 = opt.finder.getTr(this, "", "selected", 1);
                    var rows2 = opt.finder.getTr(this, "", "selected", 2);
                    if (rows1.length > 0) {
                        $(rows1).each(function () {
                            $(this).removeClass("datagrid-row-selected");
                        });
                    }
                    if (rows2.length > 0) {
                        $(rows2).each(function () {
                            $(this).removeClass("datagrid-row-selected");
                        });
                    }
                    initTool.AddUpdate(1, 5);
                }
            }
        });

    }