vue 中使用防抖和节流，防止重复点击或重复上拉加载

/**
 * 函数防抖 (只执行最后一次点击)

* @param delay
 * @returns {Function}
 * @constructor
 */
export const Debounce = (fn, t) => {
    let delay = t || 500;
    let timer;
    console.log(fn)
    console.log(typeof fn)
    return function () {
        let args = arguments;
        if(timer){
            clearTimeout(timer);
        }
        timer = setTimeout(() => {
            timer = null;
            fn.apply(this, args);
        }, delay);
    }
};
/**
 * 函数节流
 * @param fn
 * @param interval
 * @returns {Function}
 * @constructor
 */
export const Throttle = (fn, t) => {
    let last;
    let timer;
    let interval = t || 500;
    return function () {
        let args = arguments;
        let now = +new Date();
        if (last && now - last < interval) {
            clearTimeout(timer);
            timer = setTimeout(() => {
                last = now;
                fn.apply(this, args);
            }, interval);
        } else {
            last = now;
            fn.apply(this, args);
        }
    }
};

methods:{
  getAliyunData:Throttle(function(){
  ...
   },1000),
}

// 防抖
export function _debounce(fn, delay) {
    var delay = delay || 200;
    var timer;
    return function () {
        var th = this;
        var args = arguments;
        if (timer) {
            clearTimeout(timer);
        }
        timer = setTimeout(function () {
            timer = null;
            fn.apply(th, args);
        }, delay);
    };
}
// 节流
export function _throttle(fn, interval) {
    var last;
    var timer;
    var interval = interval || 200;
    return function () {
        var th = this;
        var args = arguments;
        var now = +new Date();
        if (last && now - last < interval) {
            clearTimeout(timer);
            timer = setTimeout(function () {
                last = now;
                fn.apply(th, args);
            }, interval);
        } else {
            last = now;
            fn.apply(th, args);
        }
    }
}

import { _debounce } from "@/utils/public";

methods: {
    // 改变场数
    changefield: _debounce(function(_type, index, item) {
        // do something ...
    }, 200)
  }