<ul id="prize"> 
  <li class="red" title="点击抽奖">1</li> 
  <li class="green" title="点击抽奖">2</li> 
  <li class="blue" title="点击抽奖">3</li> 
  <li class="purple" title="点击抽奖">4</li> 
  <li class="olive" title="点击抽奖">5</li> 
  <li class="brown" title="点击抽奖">6</li> 
</ul> 
<div><a href="#" id="viewother">【翻开其他】</a></div> 
<div id="data"></div> 

function get_rand($proArr) { 
  $result = ''; 
 
  //概率数组的总概率精度 
  $proSum = array_sum($proArr); 
 
  //概率数组循环 
  foreach ($proArr as $key => $proCur) { 
    $randNum = mt_rand(1, $proSum); 
    if ($randNum <= $proCur) { 
      $result = $key; 
      break; 
    } else { 
      $proSum -= $proCur; 
    } 
  } 
  unset ($proArr); 
 
  return $result; 
} 

$prize_arr = array( 
  '0' => array('id'=>1,'prize'=>'平板电脑','v'=>1), 
  '1' => array('id'=>2,'prize'=>'数码相机','v'=>5), 
  '2' => array('id'=>3,'prize'=>'音箱设备','v'=>10), 
  '3' => array('id'=>4,'prize'=>'4G优盘','v'=>12), 
  '4' => array('id'=>5,'prize'=>'10Q币','v'=>22), 
  '5' => array('id'=>6,'prize'=>'下次没准就能中哦','v'=>50), 
); 

foreach ($prize_arr as $key => $val) { 
  $arr[$val['id']] = $val['v']; 
} 
 
$rid = get_rand($arr); //根据概率获取奖项id 
 
$res['yes'] = $prize_arr[$rid-1]['prize']; //中奖项 
unset($prize_arr[$rid-1]); //将中奖项从数组中剔除，剩下未中奖项 
shuffle($prize_arr); //打乱数组顺序 
for($i=0;$i<count($prize_arr);$i++){ 
  $pr[] = $prize_arr[$i]['prize']; 
} 
$res['no'] = $pr; 
echo json_encode($res); 

<script type="text/javascript" src="js/jquery-1.7.2.min.js"></script> 
<script type="text/javascript" src="js/jquery-ui-1.7.2.custom.min.js"></script> 
<script type="text/javascript" src="js/jquery.flip.min.js"></script> 

$(function(){ 
  $("#prize li").each(function(){ 
    var p = $(this); 
    var c = $(this).attr('class'); 
    p.css("background-color",c); 
    p.click(function(){ 
      $("#prize li").unbind('click'); 
      $.getJSON("data.php",function(json){ 
        var prize = json.yes; //抽中的奖项 
        p.flip({ 
          direction:'rl', //翻动的方向rl：right to left 
          content:prize, //翻转后显示的内容即奖品 
          color:c, //背景色 
          onEnd: function(){ //翻转结束 
            p.css({"font-size":"22px","line-height":"100px"}); 
            p.attr("id","r"); //标记中奖方块的id 
            $("#viewother").show(); //显示查看其他按钮 
            $("#prize li").unbind('click') 
            .css("cursor","default").removeAttr("title"); 
          } 
        }); 
        $("#data").data("nolist",json.no); //保存未中奖信息 
      }); 
    }); 
  }); 
}); 

$(function(){ 
  $("#viewother").click(function(){ 
    var mydata = $("#data").data("nolist"); //获取数据 
    var mydata2 = eval(mydata);//通过eval()函数可以将JSON转换成数组 
       
    $("#prize li").not($('#r')[0]).each(function(index){ 
      var pr = $(this); 
      pr.flip({ 
        direction:'bt', 
        color:'lightgrey', 
        content:mydata2[index], //奖品信息（未抽中） 
        onEnd:function(){ 
          pr.css({"font-size":"22px","line-height":"100px","color":"#333"}); 
          $("#viewother").hide(); 
        } 
      }); 
    }); 
    $("#data").removeData("nolist"); 
  }); 
});