mirror of
https://gitee.com/hhyykk/ipms-sjy.git
synced 2025-07-06 15:15:07 +08:00
uni-app引入使用uView
This commit is contained in:
30
yudao-ui-app/uni_modules/uview-ui/libs/function/throttle.js
Normal file
30
yudao-ui-app/uni_modules/uview-ui/libs/function/throttle.js
Normal file
@ -0,0 +1,30 @@
|
||||
let timer; let
|
||||
flag
|
||||
/**
|
||||
* 节流原理:在一定时间内,只能触发一次
|
||||
*
|
||||
* @param {Function} func 要执行的回调函数
|
||||
* @param {Number} wait 延时的时间
|
||||
* @param {Boolean} immediate 是否立即执行
|
||||
* @return null
|
||||
*/
|
||||
function throttle(func, wait = 500, immediate = true) {
|
||||
if (immediate) {
|
||||
if (!flag) {
|
||||
flag = true
|
||||
// 如果是立即执行,则在wait毫秒内开始时执行
|
||||
typeof func === 'function' && func()
|
||||
timer = setTimeout(() => {
|
||||
flag = false
|
||||
}, wait)
|
||||
}
|
||||
} else if (!flag) {
|
||||
flag = true
|
||||
// 如果是非立即执行,则在wait毫秒内的结束处执行
|
||||
timer = setTimeout(() => {
|
||||
flag = false
|
||||
typeof func === 'function' && func()
|
||||
}, wait)
|
||||
}
|
||||
}
|
||||
export default throttle
|
Reference in New Issue
Block a user