php+lottery.js实现九宫格抽奖功能

<script type="text/javascript" src="js/lottery.js"></script>

function start_lottery(){    if(flag){      //alert('正在抽奖，请等待抽奖结果！');      //return false;      return void(0);    }   flag=true;    index = 1;       //当前选中对象的位置    fast = rand(3,6);   //在哪个位置开始加速    cycle = rand(3,5);   //转动多少圈    speed = 300;      //开始时速度    $.ajax({      url: 'lottery.php',      type: "post",      data:null,      dataType: "json",      timeout: 20000,      cache: false,      beforeSend: function(){// 提交之前      },      error: function(){//出错        flag=false;      },      success: function(res){//成功        if(typeof(res.award_id)!='undefined'){          lucky = res.award_id;  //中奖号码          award = res.award_name; //奖品名称          show_lottery();        }else{          flag=false;          alert(res.err);        }      }    });  }

//奖品配置  $award = array(    // 奖品ID => array('奖品名称',概率)    1 => array('悟空公仔',0.1),    2 => array('小乖虎公仔',0.1),    3 => array('神秘大礼包',0.1),    4 => array('智能游戏手柄',0.1),    5 => array('小角鹿公仔',0.1),    6 => array('豆蛙抱枕',0.1),    7 => array('游戏耳机',0.2),    8 => array('雷蛇键盘',0.2),  );  $r =rand(1,100);