129 lines
2.3 KiB
Vue
129 lines
2.3 KiB
Vue
<!-- 数字滚动效果 -->
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<template>
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<view class="pengke-scroll" :style="[penkeStyle]">
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<view v-for="(item, index) in digitalData" :key="index"
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:class="{'digital': true, 'digital-str': isNaN(item.num)}">
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<!-- 符号显示 -->
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<view v-if="isNaN(item.num)">{{item.num}}</view>
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<!-- 滚动的列表 -->
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<view v-else class="scroll-num">
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<view class="tra-num" :style="item.style">0123456789</view>
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</view>
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</view>
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</view>
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</template>
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<script>
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export default {
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props: {
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// 数值
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value: {
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type: [Number, String],
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default: '9.99'
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},
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// 字体大小
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size: {
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type: [Number, String],
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default: '14'
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},
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// 字体颜色
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color: {
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type: String,
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default: '#333'
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},
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// 文字居中
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textAlign: {
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type: String,
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default: 'center' // left, center, right
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},
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//动画时间
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time: {
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type: Number,
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default: 2
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}
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},
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data() {
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return {
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digitalData: []
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}
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},
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computed:{
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penkeStyle(){
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return {
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'font-size': this.size + 'px',
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'color': this.color,
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}
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}
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},
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watch: {
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value: {
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handler(val) {
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const digitalArr = String(val).split('')
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const dataList = []
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digitalArr.forEach((num) => {
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const obj = {
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num: isNaN(num) ? num : Number(num),
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style: ''
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}
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dataList.push(obj)
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})
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this.digitalData = dataList
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this.setScrollNum()
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},
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immediate: true
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}
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},
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methods: {
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// 滚动数字
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setScrollNum() {
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const defData = JSON.parse(JSON.stringify(this.digitalData))
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defData.forEach((item, index) => {
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// 设置移动距离
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item.style = `transform: translateY(-${item.num}em);transition:all ${this.time}s;`
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})
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setTimeout(() => {
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this.digitalData = defData
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}, 10)
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}
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}
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}
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</script>
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<style lang="scss" scoped>
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.pengke-scroll {
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font-size: 28rpx;
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font-weight: bold;
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display: flex;
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align-items: center;
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.digital {
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display: flex;
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justify-content: center;
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width: 0.5em; // 文本间隔
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height: 1em;
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line-height: 0.7em;
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overflow: hidden;
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.scroll-num {
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// 文本竖直排列
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writing-mode: vertical-rl;
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text-orientation: upright;
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.tra-num {
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transition: all 1s;
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}
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}
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}
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.digital-str {
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width: auto;
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line-height: 1em;
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}
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}
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</style>
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