html5制作转盘的详解及实例-木庄网络博客

本文摘自PHP中文网，作者php中世界最好的语言，侵删。

今天给大家带来的案列是html5转盘实例，可以直接拿来做抽奖程序，有需要的朋友可以拿去使用，下面是案列代码。

<!DOCTYPE html>
<html>
  
<head>
    <meta charset="UTF-8">
    <title>html5制作转盘游戏 </title>
         <meta name="keywords" content=" html5制作转盘游戏 " />
         <meta name="description" content=" html5制作转盘游戏 " />
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
    <link rel="stylesheet" href="css/kinerLottery.css">
    <style>  
         h1{
                   width: 100%;
                   height: 3rem;
                   line-height: 3rem;
                   font-size: 1.8rem;
                   color:#c60;
                   text-align: center;
                   font-weight: bolder;
         }
  
    </style>
</head>
<body>
         <h1>KinerLotter――大转盘</h1>
    <div id="box">
        <div class="outer KinerLottery KinerLotteryContent"><img src="./imgs/lotteryContent.png"></div>
        <!-- 大专盘分为三种状态：活动未开始（no-start）、活动进行中(start)、活动结束(completed),可通过切换class进行切换状态，js会根据这3个class进行匹配状态 -->
        <div class="inner KinerLotteryBtn start"></div>
    </div>
    <script src="js/zepto.min.js"></script>
    <script src="js/kinerLottery.js"></script>
    <script>
    /**
     * 根据转盘旋转角度判断获得什么奖品
     * @param deg
     * @returns {*}
     */
    var whichAward = function(deg) {
        if ((deg > 330 && deg <= 360) || (deg > 0 && deg <= 30)) { //10M流量
            return "三网通流量 10M";
        } else if ((deg > 30 && deg <= 90)) { //IPhone 7
            return "iPhone7";
        } else if (deg > 90 && deg <= 150) { //30M流量
            return "三网通流量 30M";
        } else if (deg > 150 && deg <= 210) { //5元话费
            return "话费5元";
        } else if (deg > 210 && deg <= 270) { //IPad mini 4
            return "ipad mini4";
        } else if (deg > 270 && deg <= 330) { //20元话费
            return "话费20元";
        }
    }
  
    var KinerLottery = new KinerLottery({
        rotateNum: 8, //转盘转动圈数
        body: "#box", //大转盘整体的选择符或zepto对象
        direction: 0, //0为顺时针转动,1为逆时针转动
        disabledHandler: function(key) {
            switch (key) {
                case "noStart":
                    alert("活动尚未开始");
                    break;
                case "completed":
                    alert("活动已结束");
                    break;
            }
        }, //禁止抽奖时回调
        clickCallback: function() {
            //此处访问接口获取奖品
            function random() {
                return Math.floor(Math.random() * 360);
            }
            this.goKinerLottery(random());
        }, //点击抽奖按钮,再次回调中实现访问后台获取抽奖结果,拿到抽奖结果后显示抽奖画面
        KinerLotteryHandler: function(deg) {
                alert("恭喜您获得:" + whichAward(deg));
            } //抽奖结束回调
    });
    </script>
</body>
  
</html>