37 lines
873 B
TypeScript
37 lines
873 B
TypeScript
import { ref } from 'vue'
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export const useViewSize = () => {
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const popupBaseView = ref(null)
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const viewWidth = ref("0")
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const viewHeight = ref("0")
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const unit = 'px'
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/**
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* 更新宽和高的数据
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*/
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const updateDimensions = () => {
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if (popupBaseView.value) {
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viewWidth.value = popupBaseView.value.offsetWidth + unit
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viewHeight.value = popupBaseView.value.offsetHeight + unit
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}
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}
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/**
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* 组件挂载完毕，计算宽高，并且给浏览器添加监听器，监听窗口大小改变
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*/
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onMounted(() => {
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updateDimensions()
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window.addEventListener('resize', updateDimensions)
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})
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/**
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* 组件视图更新完毕，计算宽高
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*/
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onUpdated(() => {
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updateDimensions()
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})
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return { popupBaseView, viewWidth, viewHeight }
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} |