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v-luck-draw

v0.1.2

Published

基于Vue的转盘抽奖组件

Downloads

15

Readme

效果图

Demo

Demo

说明:这是基于vue开发的转盘抽奖组件。

1. 安装&使用

  • 安装
npm install v-luck-draw
  • 使用
//方法1
import LuckDraw from 'v-luck-draw'
Vue.use(LuckDraw);

//方法2
import { LuckDraw } from 'v-luck-draw'
Vue.component("LuckDraw", LuckDraw);

//方法3 假设是test.vue文件 <script>标签内使用局部注册LuckDraw组件
import { LuckDraw } from 'v-luck-draw'
export default {
    components: {
        LuckDraw
    }
}

2. 例子

  • 代码
<template>
    <div class="demo">
        <luck-draw ref="luckDraw" :prizes="prizes" @start="onStart" @finish="onFinish" />
        <div style="padding:10px;">抽中奖品:{{ prize&&prize.text||"尚未抽奖" }}</div>
        <button @click="onStopClick">停止抽奖</button>
    </div>
</template>

<script>
export default {
    data() {
        return {
            prize: null,
            prizes: [
                {
                    text: '100元', // 奖品名称
                    icon: '/img/icon.png', // 图标,如果没有则不显示
                },
                { text: '10元', icon: '/img/icon.png' },
                { text: '1000元', icon: '/img/icon.png' },
                { text: '2元', icon: '/img/icon.png' },
                { text: '1元', icon: '/img/icon.png' },
                { text: '0.5元', icon: '/img/icon.png' },
                { text: '0.5元', icon: '/img/icon.png' },
                { text: '0.5元', icon: '/img/icon.png' },
            ],
        };
    },
    methods: {
        // 点击了开始抽奖
        onStart() {
            // 模拟200ms后请求到中奖奖品
            setTimeout(() => {
            // 调用check方法,选中一个奖品索引
                this.$refs.luckDraw.check(2);
            }, 200);
        },
        // 抽中奖品,并且停止转盘后调用
        onFinish(index) {
            this.prize = this.prizes[index];
        },
        onStopClick() {
            // 主动调用stop方法停止转盘转动,在请求中奖奖品的接口出异常时调用
            this.$refs.luckDraw.stop();
        },
    },
};
</script>

3. props

|属性|说明|类型|默认值| |:-|:-|:-|:-| |size|转盘大小|Number|300| |prizes|奖品列表,是一个数组,数组元素包含属性text:奖品名称;icon:奖品图标(可选)|Array|-| |fontSize|奖品名称字体大小|Number|16| |iconWidth|icon:奖品图标宽度|Number|25| |borderWidth|转盘外圈与内圈直接的圆环宽度|Number|22| |dotCount|转盘外圈上的圆点个数|Number|24| |dotRadius|转盘外圈上的圆点半径|Number|4| |dotColors|转盘外圈上的圆点颜色,是一个颜色字符串数组|Array|['#FEE200', '#FFF']| |fanneColors|转盘内圈奖品扇形背景颜色,是一个颜色字符串数组|Array|['#ffd428', '#fff68b']| |btnSize|“立即抽奖”按钮大小|Number|40|

4. 事件

|事件名称|参数|说明| |:-|:-|:-| |start|-|点击“立即抽奖”按钮时触发| |finish|index|抽中奖品,并停止转盘转动时触发,会回调一个index参数,该参数表示抽中的奖品索引|

5. 方法

提示:给luck-draw组件增加ref属性可获取组件的Vue实例,拿到实例后可执行下面的方法。例如:

<luck-draw ref="luckDraw" />
export default {
    mounted() {
        let luckDraw = this.$refs.luckDraw;
        // 当用户点击“立即抽奖”按钮时,若请求“抽中奖品的索引”的接口出现异常时,可以调用stop方法停止转盘转动
        luckDraw.stop();
    }
}

|方法名|说明| |:-|:-| |stop|执行此方法,可以停止转盘转动。|