在Vue中使用防抖、截流函数 防止重复点击或者重复上拉加载

函数防抖

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
/**
* 函数防抖 (只执行最后一次点击)
* @param fn
* @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

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
/**
* 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);
}
}
};

使用方法

1
2
3
4
5
6
7
...
methods:{
getAliyunData:Throttle(function(){
...
},1000),
}
...