Turntable 转盘抽奖 H5

介绍

用于大转盘滚动抽奖场景，可配置奖品、图片、转盘样式等。

基础用法

<template>
  <nut-turntable
    class="turntable"
    ref="turntable"
    :width="luckWidth"
    :height="luckheight"
    :prize-list="prizeList"
    :turns-number="turnsNumber"
    :turns-time="turnsTime"
    :prize-index="prizeIndex"
    :style-opt="styleOpt"
    :pointer-style="pointerStyle"
    @start-turns="startTurns"
    @end-turns="endTurns"
  >
  </nut-turntable>
</template>
<script>
  import { ref, reactive } from "vue";
  export default {
    setup() {
      const turntable = ref(null);
      // 转盘大小
      const luckWidth = ref("300px");
      const luckheight = ref("300px");
      // 转盘指针图片样式
      const pointerStyle = {
        width: "80px",
        height: "80px",
        backgroundImage:
          'url("https://img11.360buyimg.com/imagetools/jfs/t1/89512/11/15244/137408/5e6f15edEf57fa3ff/cb57747119b3bf89.png")',
        backgroundSize: "contain",
        backgroundRepeat: "no-repeat",
      };
      // 转盘上要展示的奖品数据
      const prizeList = ref([
        {
          id: "xiaomi",
          prizeName: "小米手机",
          prizeImg:
            "https://img14.360buyimg.com/imagetools/jfs/t1/104165/34/15186/96522/5e6f1435E46bc0cb0/d4e878a15bfd9362.png",
        },
        {
          id: "blue",
          prizeColor: "rgb(251, 219, 216)",
          prizeName: "蓝牙耳机",
          prizeImg:
            "https://img13.360buyimg.com/imagetools/jfs/t1/91864/11/15108/139003/5e6f146dE1c7b511d/1ddc5aa6e502060a.jpg",
        },
        {
          id: "apple",
          prizeName: "apple watch",
          prizeImg:
            "https://img11.360buyimg.com/imagetools/jfs/t1/105385/19/15140/111093/5e6f1506E48bd0dfb/829a98a8cdb4c27f.png",
        },
        {
          id: "fruit",
          prizeColor: "rgba(246, 142, 46, 0.5)",
          prizeName: "迪士尼苹果",
          prizeImg:
            "https://img11.360buyimg.com/imagetools/jfs/t1/108308/11/8890/237603/5e6f157eE489cccf1/26e0437cfd93b9c8.png",
        },
        {
          id: "fish",
          prizeName: "海鲜套餐",
          prizeImg:
            "https://img14.360buyimg.com/imagetools/jfs/t1/90507/38/15165/448364/5e6f15b4E5df0c718/4bd4c3d375eec312.png",
        },
        {
          id: "thanks",
          prizeName: "谢谢参与",
          prizeImg:
            "https://img11.360buyimg.com/imagetools/jfs/t1/96116/38/15085/5181/5e6f15d1E48e31d30/71353b61dff705d4.png",
        },
      ]);
      // 转动圈数
      const turnsNumber = ref(5);
      // 转动需要持续的时间(秒)
      const turnsTime = ref(5);
      // 转盘样式的选项
      const styleOpt = reactive({
        // 转盘中每一块扇形的背景色,根据奖品的index来取每一块的对应颜色
        prizeBgColors: [
          "rgb(255, 231, 149)",
          "rgb(255, 247, 223)",
          "rgb(255, 231, 149)",
          "rgb(255, 247, 223)",
          "rgb(255, 231, 149)",
          "rgb(255, 247, 223)",
        ],
        // 每一个扇形的外边框颜色
        borderColor: "#ff9800",
      });
      // 中奖的奖品的index(此数据可根据后台返回的值重新赋值)
      const prizeIndex = ref(-1);
      // 剩余抽奖次数
      const num = ref(5);
      const startTurns = () => {
        const index = Math.floor(Math.random() * prizeList.value.length);
        prizeIndex.value = index;
        turntable.value.rotateTurn();
      };
      const endTurns = () => {
        console.log("中奖了");
      };
      return {
        turntable,
        luckWidth,
        luckheight,
        pointerStyle,
        prizeList,
        turnsNumber,
        turnsTime,
        styleOpt,
        prizeIndex,
        num,
        startTurns,
        endTurns,
      };
    },
  };
</script>

Props

参数	说明	类型	默认值
width	转盘的宽度	String	300px
height	转盘的高度	String	300px
prize-list	奖品列表	Array	-
turns-number	转动的圈数	Number	5
turns-time	从开始转动到结束所用时间	Number	5(单位是秒)
prize-index	中奖奖品在列表的索引位置	Number	-1
lock-time v1.0.6	下次抽奖的间隔时间	Number	0(单位是秒)
style-opt	转盘中的样式，包括每个扇区的背景颜色(在每条数据中页可单独设置 prizeColor)，扇区的边框颜色	Object	{prizeBgColors: [],borderColor: ''}
pointer-style	转盘中指针的样式，包括背景图片、大小等	Object	{width: '80px',height: '80px'}

Events

事件名	说明	回调参数
rotate-turns v1.0.6	开始滚动，手动触发	-
start-turns	转盘开始转动的回调函数，此时将接口中的中奖索引，赋值到 prize-index	-
end-turns	转盘中停止转动后的回调函数	-
lock-turns v1.0.6	禁止抽奖时回调函数	-