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86 lines
1.4 KiB
86 lines
1.4 KiB
<template>
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<view>
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<view class="ui-fixed" :class="{'fixed-top':position=='top','fixed-bottom':position=='bottom'}"
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:style="{top:position=='top'?`${top}px`:`` , zIndex: zIndex}">
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<slot></slot>
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</view>
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<view :style="{height:height+'px'}" v-if="position=='top'"></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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name: 'fixed',
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props: {
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position: {
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type: [String],
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default () {
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return 'top'
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}
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},
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top: {
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type: [Number],
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default () {
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return 0
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}
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},
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zIndex: {
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type: [Number],
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default () {
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return 999
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}
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},
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initHeight: {
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type: String || Number,
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default () {
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return ''
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}
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},
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},
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data() {
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return {
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height: uni.getSystemInfoSync().windowWidth * 100 / 750
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}
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},
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mounted() {
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setTimeout(() => {
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this.setHeight();
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}, 100)
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},
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watch: {
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initHeight(newVal, oldval) {
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this.$nextTick(() => {
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this.setHeight()
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})
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}
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},
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methods: {
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setHeight() {
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var _this = this;
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var query = uni.createSelectorQuery().in(_this);
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query.select('.ui-fixed').boundingClientRect(function(res) {
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_this.height = res.height;
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_this.$emit('height', res.height)
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}).exec();
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}
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},
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}
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</script>
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<style>
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.ui-fixed {
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position: fixed;
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left: 0;
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width: 100%;
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z-index: 999;
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}
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.fixed-top {
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top: 0;
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}
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.fixed-bottom {
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bottom: 0;
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}
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</style>
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