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| <template>
| <view class="use-totop fixed-top animated" @tap.stop="totop" :class="{ 'fade-in': visible, 'dn': !visible, 'margin-b-50': type == 'tabbar', 'safe-area-inset-bottom-plus': safeAreaInsetBottom }"
| :style="{ bottom: bottom + 'rpx', right: right + 'rpx' }">
| <text class="iconfont iconzhiding"></text>
| </view>
| </template>
|
| <script>
| export default {
| props: {
| top: {
| type: Number,
| default: 100
| },
| right: {
| type: String,
| default: '30'
| },
| bottom: {
| type: String,
| default: '30'
| },
| duration: {
| type: Number,
| default: 120
| },
| scrollTop: {
| type: Number,
| default: 0
| },
| type: {
| type: String,
| default: 'normal'
| },
| safeAreaInsetBottom: {
| type: Boolean,
| default: false
| }
| },
| watch: {
| scrollTop(nv, ov) {
| this.s_top = nv;
| this.change();
| }
| },
| data() {
| return {
| s_top: 0,
| visible: false
| };
| },
| methods: {
| totop() {
| uni.pageScrollTo({
| scrollTop: 0,
| duration: this.duration
| })
|
| this.$emit('to', {
| type: 'to',
| scrollTop: this.s_top
| });
| },
| change(scrollTop) {
| this.s_top = scrollTop;
| if (this.s_top > this.top) {
| if (!this.visible) this.visible = true;
| } else {
| if (this.visible) this.visible = false;
| }
| }
| }
| }
| </script>
|
| <style lang="scss">
| .use-totop {}
|
| .margin-b-50 {
| /* #ifdef H5 */
| margin-bottom: calc(env(safe-area-inset-bottom) + 50px);
| /* #endif */
| }
| </style>
|
|
