window 時間獲取

原創 SuperKuku 2020-02-25 06:42
在windows中有幾種類型的時間函數
time(): 獲取從1970.1.1 0:0:0開始的秒數。精度秒
timeGetTime(): 獲取服務器開機以來的時間。最長49.7天。精度系統時間片精度,基本保證時間精度在1-16之間。基本上是1ms左右
GetTickCount(): 獲取服務器開機以來的時間。最長49.7天。精度系統時間片精度。win7 15-16ms
QueryPerformanceFrequency()+QuereyPerformanceCounter():高精度時間。和CPU相關。不過不一定是cpu頻率。win7+Core2Due E7400頻率是2700000左右
發表評論
所有評論
還沒有人評論，想成為第一個評論的人麼? 請在上方評論欄輸入並且點擊發布.
相關文章

微信整改地方號；阿里高層大地震；工信部下架違規 App；百度入局元宇宙；Android 遊戲將登陸 Windows；TIOBE 發佈 12 月榜單｜架構週報

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

辛晓亮 2021-12-13 11:54:42

Win10新版推送，但接下來每年只提供一次功能更新

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

罗燕珊 2021-11-18 09:28:56

Windows 11 又出新招限制三方瀏覽器

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

辛晓亮 2021-11-12 18:18:53

“MSL”出爐？Ubuntu 發佈 Multipass 對標 WSL

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

辛晓亮 2021-11-12 10:08:56

Facebook 改名爲 Meta；同花順系統崩潰，網友：血虧；字節跳動迴應“抄襲阿里 Ant Design 代碼”：深表歉意

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

闫园园 2021-11-01 13:43:58

“問題孩子”Windows 11來了，WSL 成其最大亮點

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

闫园园 2021-10-08 16:23:55

最大程度的開放：Windows 11即將迎來第三方應用商店

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragr

罗燕珊 2021-09-30 15:08:49

迎來大更新，Edge瀏覽器終於要翻身？

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

闫园园 2021-09-09 17:03:56

Windows 11 預覽版現嚴重 Bug 原來是內置廣告惹的禍

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

辛晓亮 2021-09-08 15:38:56

Windows 11將於10月5日發佈，運行Android應用還要再等

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

闫园园 2021-09-03 17:59:05

70萬行代碼、歷時20年，一名開發人員寫出的史詩般的計算機程序

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragr

核子可乐 2021-08-04 17:18:48

不含TPM芯片？抱歉，你的電腦不能升級Windows 11

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

SUZANNE HUMPHRIES 2021-07-07 14:13:54

Windows 11 發佈，支持原生 Android 應用

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

核子可乐 2021-06-28 16:58:58

揭曉Windows 11如何做到原生支持安卓應用

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

核子可乐 2021-06-28 16:18:56

用了10年Windows後，我最終轉向Linux

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

Shalitha Suranga 2020-11-09 13:58:51