xyy-web/src/composables/useDefault.js

import default_avatar from '~/assets/img/default_avatar.png'
export const useDefaultImg =(imgSrc)=>{
    return imgSrc?imgSrc: default_avatar
}
export function throttle(func, delay) {
    let previous = 0;
    return function(...args) {
        const now = Date.now();
        if (now - previous > delay) {
            func.apply(this, args);
            previous = now;
        }
    };
}
export function debounce(func, delay) {
    let timer = null;
    return function() {
        const context = this;
        const args = arguments;
        // 如果定时器已经存在，清除它
        if (timer) {
            clearTimeout(timer);
        }
        // 重新设置定时器
        timer = setTimeout(() => {
            func.apply(context, args);
        }, delay);
    };
}