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32 lines
858 B
32 lines
858 B
module.exports = {
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data() {
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return {}
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},
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onLoad() {
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// getRect挂载到$u上，因为这方法需要使用in(this)，所以无法把它独立成一个单独的文件导出
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this.$u.getRect = this.$uGetRect
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},
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methods: {
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// 查询节点信息
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// 目前此方法在支付宝小程序中无法获取组件跟接点的尺寸，为支付宝的bug(2020-07-21)
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// 解决办法为在组件根部再套一个没有任何作用的view元素
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$uGetRect(selector, all) {
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return new Promise(resolve => {
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uni.createSelectorQuery().
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in(this)[all ? 'selectAll' : 'select'](selector)
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.boundingClientRect(rect => {
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if (all && Array.isArray(rect) && rect.length) {
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resolve(rect)
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}
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if (!all && rect) {
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resolve(rect)
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}
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})
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.exec()
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})
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}
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},
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onReachBottom() {
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uni.$emit('uOnReachBottom')
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}
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}
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