等待多个请求（请求并发执行）都完成后结束Loading框

// 这里用vue进行示范，react使用useEffect是一样的
onMounted(() => initializeApp(initSwiper(),initNoticeText(),initCardTypes(),initCards()
));/*** 传入多个promise对象，当全部结束时取消Loading* @param promises 传入多个promise对象，当全部结束时取消Loading*/
export const initializeApp = async (...promises: Promise<void>[]) => {// loading方法全局封装成一个组件showLoading();try {await Promise.all(promises);} catch (e) {console.error(e);} finally {hideLoading();}
};// 其中一个方法，经过async返回的是一个promise对象
const initCards = async () => {return getCards().then(res => {cards.value = res.rows as card[]})
}export const getCards = () => {return httpPostByForm<any, card>("xxxx, {clientType,hot: "true",});
};export const httpPostByForm = <T, U>(url: string, data?: any) => {return http<T, U>({method: "POST",url: url,header: { "Content-Type": "application/x-www-form-urlencoded" },data: data,});
};// 下面这里使用axios是一样的
export const http = <T, U>(options: UniApp.RequestOptions) => {// 1. 返回Promise对象return new Promise<HttpResponse<T, U>>((resolve, reject) => {uni.request({...options,success(res) {resolve(res.data)},false(err: any) {reject(err);},});});
};