1、数字滚动vue-count-to

（1）安装：

npm install vue-count-to

（2）使用：

<template>
    <div>
        <h2>数字滚动动画：</h2>
        <CountTo :start-val="startVal" :end-val="endVal" :duration="2500" class="count-number"></CountTo>
    </div>
</template>

<script>
    import CountTo from 'vue-count-to'
    export default {
        components: {
            CountTo
        },
        data() {
            return {
                startVal: 0,
                endVal: 2017
            }
        }
</script>

（3）说明：

        参考链接：http://panjiachen.github.io/countTo/demo/

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2、翻牌器组件

（1）组件：

<template>
    <div class="count-flop" :key="compKey">
        <div :class="item!='.'?'count-flop-box':'count-flop-point'" v-for="(item, index) in value" :key="index">
            <div v-if="item!='.'" class="count-flop-content" :class="['rolling_' + item]">
                <div v-for="(item2,index2) in numberList" :key="index2" class="count-flop-num">{{item2}}</div>
            </div>
            <div v-else class="count-flop-content">.</div>
        </div>
        <div v-if="suffix" class="count-flop-unit">{{suffix}}</div>
    </div>
</template>
<script>
    export default {
        data() {
            return {
                value: [],
                numberList: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
                compKey: 0
            };
        },
        props: ["val","suffix"],
        watch: {
            val() {
                this.value = this.val.toString().split("");
                this.compKey += 1;
            }
        },
        created() {
            this.value = this.val.toString().split("");
        },
    };
</script>
<style scoped>
    .count-flop {
        display: inline-block;
        font-size: 0;
        /* 可更改 */
        height: 50px;
        line-height: 50px;
        font-size: 36px;
        color: #4898f1;
    }

    .count-flop > div {
        position: relative;
        display: inline-block;
        overflow: hidden;
        height: 100%;
    }

    .count-flop-box {
        /* 可更改 */
        margin-right: 5px;
        width: 36px;
        border: 1px solid rgba(72, 152, 241, 0.3);
        line-height: 48px;
        border-radius: 6px;
    }

    .count-flop-point {
        /* 可更改 */
        margin-right: 5px;
        width: 10px;
    }

    .count-flop-content {
        font-family: MicrosoftYaHei-Bold;
        text-align: center;
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        animation-fill-mode: forwards !important;
    }

    .rolling_0 {
        animation: rolling_0 2.1s ease;
    }

    @keyframes rolling_0 {
        from {
            transform: translateY(-90%);
        }
        to {
            transform: translateY(0);
        }
    }

    .rolling_1 {
        animation: rolling_1 3s ease;
    }

    @keyframes rolling_1 {
        from {
            transform: translateY(0);
        }
        to {
            transform: translateY(-10%);
        }
    }

    .rolling_2 {
        animation: rolling_2 2.1s ease;
    }

    @keyframes rolling_2 {
        from {
            transform: translateY(0);
        }
        to {
            transform: translateY(-20%);
        }
    }

    .rolling_3 {
        animation: rolling_3 3s ease;
    }

    @keyframes rolling_3 {
        from {
            transform: translateY(0);
        }
        to {
            transform: translateY(-30%);
        }
    }

    .rolling_4 {
        animation: rolling_4 2.1s ease;
    }

    @keyframes rolling_4 {
        from {
            transform: translateY(0);
        }
        to {
            transform: translateY(-40%);
        }
    }

    .rolling_5 {
        animation: rolling_5 3s ease;
    }

    @keyframes rolling_5 {
        from {
            transform: translateY(0);
        }
        to {
            transform: translateY(-50%);
        }
    }

    .rolling_6 {
        animation: rolling_6 2.1s ease;
    }

    @keyframes rolling_6 {
        from {
            transform: translateY(0);
        }
        to {
            transform: translateY(-60%);
        }
    }

    .rolling_7 {
        animation: rolling_7 3.1s ease;
    }

    @keyframes rolling_7 {
        from {
            transform: translateY(0);
        }
        to {
            transform: translateY(-70%);
        }
    }

    .rolling_8 {
        animation: rolling_8 2.1s ease;
    }

    @keyframes rolling_8 {
        from {
            transform: translateY(0);
        }
        to {
            transform: translateY(-80%);
        }
    }

    .rolling_9 {
        animation: rolling_9 3.6s ease;
    }

    @keyframes rolling_9 {
        from {
            transform: translateY(0);
        }
        to {
            transform: translateY(-90%);
        }
    }
</style>

 （2）调用：

<template>
    <div>
        <h2>翻牌器动画：</h2>
        <CountFlop :val="val" />

        <h2>翻牌器自定义样式：</h2>
        <div class="myself">
            <CountFlop :val="val2" suffix="rmb" />
        </div> 
    </div> 
</template>

<script>
    import CountFlop from '@/components/CountFlop.vue'
    export default {
        components: {
            CountFlop,
        },
        data() {
            return {
                val: 2017,
                val2: 16.6,
            }
        }
    }
</script>

<style scoped lang="less">
    .myself {
        height: 32px;
        /deep/ .count-flop {
            height: 32px;
            line-height: 32px;
            font-size: 36px;
            color: red;
        }
        /deep/ .count-flop-box {
            margin-right: 0;
            width: 22px;
            border: 0;
            border-radius: 0;
            line-height: 32px;
        }
        /deep/ .count-flop-point {
            margin-right: 0;
        }
        /deep/ .count-flop-unit {
            font-size: 25px;
        }
    }
</style>