26 lines
648 B
JavaScript
26 lines
648 B
JavaScript
import {
|
||
getCurrentInstance,
|
||
} from 'vue';
|
||
export function getElRect(elClass, dataVal) {
|
||
const instance = getCurrentInstance();
|
||
return new Promise((resolve, reject) => {
|
||
const query = uni.createSelectorQuery().in(instance.proxy);
|
||
query.select('.' + elClass).fields({
|
||
size: true
|
||
}, res => {
|
||
// 如果节点尚未生成，res值为null，循环调用执行
|
||
if (!res) {
|
||
setTimeout(() => {
|
||
getElRect(elClass);
|
||
}, 10);
|
||
return;
|
||
}
|
||
resolve(res);
|
||
}).exec();
|
||
})
|
||
}
|
||
|
||
export async function getSafeBottomHeight(className, height = 16) {
|
||
const bottomEle = await getElRect(className)
|
||
return bottomEle.height + height
|
||
} |