layer关闭弹窗 (弹窗easyui:为datagrid添加radio单选框)

<script type="text/javascript">//按钮点击事件        $("#button_search").click(function(){        //获取keyword        var keyword = $("#keyword").val();                $('#dg').datagrid({        url:'/sbd/findCompanyByKeyword.action',        pagination: true,        pageSize: 10,        pageList: [10,15,20,25],        queryParams:{        "keyword":keyword        },        fitColumns: true,//fitColumns设置为true,自动扩展或收缩列的大小以适应网格宽度和防止水平滚动条        singleSelect: true,        loadMsg:'正在查询，请稍等...',        columns:[[    {field:'id',title:'ID',width:30,align:'center'},    {field:'companyNo',title:'公司编号',width:50,align:'center'},    {field:'companyName',title:'公司名称',width:50,align:'center'},    {field:'areaId',title:'所属地区',width:50,align:'center'},    {field:'address',title:'地址',width:150,align:'center'},    { field: 'checked', title: '选择', width: 20,align:'center',    formatter: function(value, rowData, rowIndex){                    return '<input type="radio" name="selectRadio" id="selectRadio"' + rowIndex + 'value="' + rowData.oid + '" />';    }    }        ]],        //onload        onLoadSuccess: function(data){                //加载完毕后获取所有的checkbox遍历                if (data.rows.length > 0) {                    //循环判断操作为新增的不能选择                    for (var i = 0; i < data.rows.length; i++) {                        //根据operate让某些行不可选                        if (data.rows[i].operate == "false") {                            $("input[type='radio']")[i].disabled = true;                        }                    }                }            },          //父子页面传参数            onClickRow: function(rowIndex, obj, rowData){                //加载完毕后获取所有的checkbox遍历                var radio = $("input[type='radio']")[rowIndex].disabled;                //如果当前的单选框不可选，则不让其选中                if (radio!= true) {                    //让点击的行单选按钮选中                    $("input[type='radio']")[rowIndex].checked = true;                  //父子页面传参数                    parent.$("#hidden_company_id").val(obj.id);                    parent.$("#company_name").val(obj.companyName);                  //获取当前窗体索引                    var index = parent.layer.getFrameIndex(window.name);                   //执行关闭                  parent.layer.close(index);                                     }else {                    $("input[type='radio']")[rowIndex].checked = false;                }            }      });               });</script>