23 lines
850 B
TypeScript
23 lines
850 B
TypeScript
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/**
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* @description 获取元素节点信息（在组件中的元素必须要传ctx）
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* @param { String } selector 选择器 '.app' | '#app'
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* @param { Boolean } all 是否多选
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* @param { ctx } context 当前组件实例
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*/
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export const getRect = (selector: string, all: boolean = false, context?: any) => {
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return new Promise((resolve, reject) => {
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let qurey = uni.createSelectorQuery()
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if (context) {
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qurey = uni.createSelectorQuery().in(context)
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}
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qurey[all ? 'selectAll' : 'select'](selector).boundingClientRect(function(rect) {
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if (all && Array.isArray(rect) && rect.length) {
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return resolve(rect)
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}
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if (!all && rect) {
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return resolve(rect)
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}
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reject('找不到元素')
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}).exec()
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})
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}
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