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<template>
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<view class="u-demo">
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<view class="u-demo-wrap">
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<view class="u-demo-title">演示效果</view>
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<view class="u-demo-area">
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<u-toast ref="uToast"></u-toast>
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<view class="u-no-demo-here">如果使用text-align: center对齐，数字滚动期间可能会抖动，见文档说明</view>
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<view class="count-to-demo">
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<u-count-to
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class="count-to"
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:useEasing="useEasing"
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ref="uCountTo"
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:autoplay="autoplay"
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:startVal="startVal"
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:endVal="endVal"
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:duration="duration"
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:decimals="decimals"
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:bold="bold"
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@end="end"
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></u-count-to>
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</view>
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</view>
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</view>
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<view class="u-config-wrap">
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<view class="u-config-title u-border-bottom">参数配置</view>
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<view class="u-config-item">
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<view class="u-item-title">状态</view>
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<u-subsection :current="current" :list="['启动', '暂停', '继续', '重置']" @change="statusChange"></u-subsection>
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</view>
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<view class="u-config-item">
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<view class="u-item-title">目标值</view>
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<u-subsection :list="[608, 5604, 45617]" @change="endValChange"></u-subsection>
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</view>
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<view class="u-config-item">
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<view class="u-item-title">滚动时间</view>
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<u-subsection current="1" :list="[1000, 2000, 3000]" @change="durationChange"></u-subsection>
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</view>
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<view class="u-config-item">
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<view class="u-item-title">显示小数</view>
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<u-subsection current="1" :list="['是', '否']" @change="decimalsChange"></u-subsection>
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</view>
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<view class="u-config-item">
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<view class="u-item-title">字体加粗</view>
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<u-subsection current="1" :list="['是', '否']" @change="boldChange"></u-subsection>
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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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data() {
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return {
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startVal: 0,
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endVal: 608,
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separator: ',',
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decimals: 0,
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duration: 2000,
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autoplay: false,
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useEasing: true,
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current: 3,
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isStop: false, // 如果开没启动前，不允许点击状态选项的"继续"按钮，否则会导致显示NaN
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bold: false
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};
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},
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methods: {
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endValChange(index) {
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this.endVal = index == 0 ? 608 : index == 1 ? 5604 : 45617;
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this.reset();
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this.start();
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},
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durationChange(index) {
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this.duration = index == 0 ? 1000 : index == 1 ? 2000 : 3000;
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},
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boldChange(index) {
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this.bold = !!!index;
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},
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decimalsChange(index) {
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this.decimals = index == 0 ? 2 : 0;
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},
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statusChange(index) {
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this.current = index;
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if (index == 0) {
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this.start();
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} else if (index == 1) {
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this.stop();
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} else if (index == 2) {
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this.resume();
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} else {
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this.reset();
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}
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},
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end() {
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this.current = 3;
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this.$refs.uToast.show({
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type: 'warning',
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title: '滚动结束'
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});
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},
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start() {
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this.current = 0;
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this.isStop = true;
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this.$refs.uCountTo.start();
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},
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stop() {
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this.$refs.uCountTo.stop();
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},
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resume() {
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if (!this.isStop) {
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this.$refs.uToast.show({
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type: 'error',
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title: '请开始并暂停后才能继续'
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});
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this.$nextTick(() => {
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this.current = 3;
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});
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return;
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}
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this.$refs.uCountTo.resume();
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},
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reset() {
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this.$refs.uCountTo.reset();
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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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.count-to-demo {
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text-align: center;
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}
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</style>
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