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module.exports = { data() { return {} }, onLoad() { // getRect挂载到$u上,因为这方法需要使用in(this),所以无法把它独立成一个单独的文件导出
this.$u.getRect = this.$uGetRect }, methods: { // 查询节点信息
// 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)
// 解决办法为在组件根部再套一个没有任何作用的view元素
$uGetRect(selector, all) { return new Promise(resolve => { uni.createSelectorQuery(). in(this)[all ? 'selectAll' : 'select'](selector) .boundingClientRect(rect => { if (all && Array.isArray(rect) && rect.length) { resolve(rect) } if (!all && rect) { resolve(rect) } }) .exec() }) } }, onReachBottom() { uni.$emit('uOnReachBottom') } }
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