easyui datagrid 单选框 效果

columns: [[{
            field: 'oid',
            title: '选择',
            width: 20,
            formatter: function(value, rowData, rowIndex){
                return '<input type="radio" name="selectRadio" id="selectRadio"' + rowIndex + '    value="' + rowData.oid + '" />';
            }
        }



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;
                    }
                }
            }
        },
        onClickRow: function(rowIndex, 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;
            }
            else {
                $("input[type='radio']")[rowIndex].checked = false;
            }
        }
        

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