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定时执行任务函数,但是并不是绝对的精准执行
此脚本不应直接安装。它是供其他脚本使用的外部库,要使用该库请加入元指令 // @require https://update.greasyfork.icu/scripts/420456/892692/%E5%AE%9A%E6%97%B6%E6%89%A7%E8%A1%8C%E4%BB%BB%E5%8A%A1.js
// ==UserScript==
// @name 定时执行任务
// @description 定时执行任务函数,但是并不是绝对的精准执行,可能存在一定的时间误差
// @include *
// @version 1.0
// @note 2021-01-18-V1.0 初始化第一版本
// @grant GM_getValue
// @grant GM_setValue
// ==/UserScript==
var OnceScript = (function(){
var _everyTTime = function(seconds, flag, callback) {
seconds = seconds * 1000
let lastRunAt = GM_getValue(flag, 0)
let curTime = new Date().getTime()
if(curTime - lastRunAt > seconds) {
GM_setValue(flag, curTime)
callback()
} else {
setTimeout(callback, curTime - lastRunAt)
}
}
var everyTSeconds = function(seconds, flag, callback){
_everyTTime(seconds, flag, callback)
}
var everyTMinutes = function(minutes, flag, callback){
_everyTTime(minutes * 60, flag, callback)
}
var everyTHours = function(hours, flag, callback){
_everyTTime(hours * 1440, flag, callback)
}
var everyTDay = function(days, flag, callback){
_everyTTime(days * 86400 , flag, callback)
}
return {
everyTSeconds,
everyTMinutes,
everyTHours,
everyTDay
}
})()