下拉框选中后默认为选中状态

<td ><select id="pri_sel_\'.$v[\'id\'].\'">
<option value="1">随机</option>\';
                                if($v[\'rid\']){
                                    $selete = \'\';
                                    foreach($prizelist as $key=>$val){
                                        if($v[\'rid\'] == $val[\'id\']){
                                            $selete = \'selected\';
                                        }else{
                                            $selete = \'\';
                                        }
                                        echo \'

                                        <option value="\'.$val[\'id\'].\'" \'.$selete.\' >\'.$val[\'pname\'].\'</option>\';
                                    }
                                }else{
                                    foreach($prizelist as $key=>$val){
                                        echo \'<option value="\'.$val[\'id\'].\'">\'.$val[\'pname\'].\'</option>\';
                                    }
                                }

                        echo    \'</select></td>