{"id":10006873,"date":"2022-11-18T17:41:18","date_gmt":"2022-11-18T09:41:18","guid":{"rendered":"https:\/\/ityet.com\/?p=10006873"},"modified":"2022-11-18T17:41:18","modified_gmt":"2022-11-18T09:41:18","slug":"go1-20-%e4%b8%ad%e4%b8%a4%e4%b8%aa%e5%85%b3%e4%ba%8e-time-%e7%9a%84%e6%9b%b4%e6%96%b0%ef%bc%8c%e7%bb%88%e4%ba%8e%e4%b8%8d%e7%94%a8%e8%83%8c-2006-01-02-150405-%e4%ba%86%ef%bc%81","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006873","title":{"rendered":"Go1.20 \u4e2d\u4e24\u4e2a\u5173\u4e8e Time \u7684\u66f4\u65b0\uff0c\u7ec8\u4e8e\u4e0d\u7528\u80cc 2006-01-02 15:04:05 \u4e86\uff01"},"content":{"rendered":"

\u5927\u5bb6\u597d\uff0c\u6211\u662f\u714e\u9c7c\u3002<\/p>\n

Go \u8bed\u8a00\u4e2d\u6709\u4e00\u4e2a\u4e1c\u897f\u662f\u6bd4\u8f83\u6709\u7279\u8272\u7684\uff0c\u90a3\u5c31\u662f time \u6807\u51c6\u5e93\uff0c\u5728\u5404\u7c7b\u4e0e\u65f6\u95f4\u6709\u5173\u7684\u573a\u666f\u90fd\u4f1a\u5e38\u5e38\u7528\u5230\uff0c\u4f8b\u5982\uff1a\u5b9a\u65f6\/\u5ef6\u8fdf\u4efb\u52a1\u3001\u6570\u636e\u66f4\u65b0\u3001\u65f6\u95f4\u6bd4\u8f83\u3002<\/p>\n

\u5b98\u65b9 Demo \u662f\u4e00\u4e2a\u8ba1\u7b97\u65f6\u95f4\u5dee\u7684\u6837\u4f8b\uff1a<\/p>\n

import "time"\n\nfunc main() {\n    start := time.Now()\n    time.Sleep(time.Second)\n    t := time.Now()\n    elapsed := t.Sub(start)\n    println(elapsed)\n}<\/code><\/pre>\n
\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n
1000000000<\/code><\/pre>\n
\u795e\u79d8\u7684 2006-01-02 15:04:05<\/h2>\n
\u5728\u793e\u533a\u53cd\u9988\u4e2d\uff0c\u66f4\u864e\u7684\u662f\u4ee5\u4e0b\u8fd9\u4e2a\u6837\u4f8b\uff1a<\/p>\n
func main() {\n    now := time.Now()\n    v := now.Format("2006-01-02 15:04:05")\n    println(v)\n}<\/code><\/pre>\n
\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n
2009-11-10 23:00:00<\/code><\/pre>\n
\u8fd9\u65f6\u5019\u5927\u5bb6\u4f1a\u9047\u5230\u51e0\u4e2a\u95ee\u9898…\u6700\u88ab\u5e38\u95ee\u7684\u662f 2006-01-02 15:04:05<\/strong>\uff0c\u8fd9\u662f\u968f\u4fbf\u5199\u7684\u65f6\u95f4\u70b9\u5417\uff0c\u751a\u81f3\u8fd8\u66fe\u7ecf\u6709\u4f20\u8a00\u8bf4\u8fd9\u662f Go \u8bed\u8a00\u7684\u8bde\u751f\u65f6\u95f4…<\/p>\n
\u4e3a\u4ec0\u4e48\u662f\u8fd9\u4e2a\u65f6\u95f4\u70b9<\/h3>\n
\u5b9e\u9645\u4e0a 2006-01-02 15:04:05 \u662f\u4e00\u4e2a\u53c2\u8003\u65f6\u95f4\u7684\u683c\u5f0f\uff0c\u4e5f\u5c31\u662f\u5176\u5b83\u8bed\u8a00\u4e2d Y-m-d H:i:s<\/code> \u683c\u5f0f\uff0c\u5728\u529f\u80fd\u4e0a\u7528\u4e8e\u65f6\u95f4\u7684\u683c\u5f0f\u5316\u5904\u7406\u548c\u89c4\u8303\u3002<\/p>\n
\u90a3\u4e3a\u4ec0\u4e48\u662f 2006-01-02 15:04:05 \u5462\uff1f\u5176\u5b9e\u8fd9\u4e9b \u201d\u6570\u5b57\u201c \u662f\u6709\u610f\u4e49\u7684\uff0c\u6bcf\u4e2a\u5e03\u5c40\u5b57\u7b26\u4e32\u90fd\u662f\u4e00\u4e2a\u65f6\u95f4\u6233\u7684\u8868\u793a\uff0c\u5e76\u975e\u968f\u4fbf\u5199\u7684\u65f6\u95f4\u70b9\u3002<\/p>\n
\u53ef\u53c2\u89c1\u5b98\u65b9\u4f8b\u5b50\u4e2d\u7684\u5982\u4e0b\u65b9\u5f0f\uff1a<\/p>\n
Jan 2 15:04:05 2006 MST\n1   2  3  4  5    6  -7<\/code><\/pre>\n
\u6211\u4eec\u4e5f\u53ef\u4ee5\u5c06\u5176\u8bb0\u5fc6\u4e3a 2006 \u5e74 1 \u6708 2 \u65e5 3 \u70b9 4 \u5206 5 \u79d2\u3002<\/p>\n
\u786e\u5b9e\u80cc\u4e0d\u4e0b\u6765\uff0c\u5feb\u4f18\u5316<\/h3>\n
\u867d\u7136 Go \u5b98\u65b9\u7ed9\u51fa\u4e86\u4e00\u7cfb\u5217\u611f\u89c9\u5f88\u5408\u7406\u7684\u89e3\u91ca\uff0c\u4e5f\u901a\u8fc7\u4e0a\u9762\u7684\u65b9\u5f0f\u8bd5\u56fe\u6559\u4f1a\u5927\u5bb6\u9760\u7406\u89e3\u800c\u4e0d\u662f\u9760\u7eaf\u80cc\u628a\u8fd9\u4e2a\u65f6\u95f4\u70b9\u683c\u5f0f\u89c4\u8303\u7ed9\u8bb0\u4e0b\u6765…<\/p>\n
\u73b0\u5b9e\u662f\u5f88\u6b8b\u9177\u7684\uff0c\u6bcd\u8bed\u4e0d\u540c\uff0c\u4e1a\u52a1\u7c7b\u578b\u4e0d\u540c\uff0c\u4e0d\u4f1a\u7ecf\u5e38\u7528\u5230 time \u6807\u51c6\u5e93\uff0c\u5f88\u5bb9\u6613\u5fd8\u8bb0\u5177\u4f53\u6570\u503c\u3002<\/p>\n
\u5927\u4f6c\u4e5f\u5206\u6790\u4e86 Go modules \u4e0a\u7684\u6240\u6709\u6a21\u5757\u4ee3\u7801\uff0c\u53d1\u73b0\u8fd9\u4e2a\u65e5\u671f\u65f6\u95f4\u70b9\uff0c\u4f7f\u7528\u7684\u6b21\u6570\u975e\u5e38\u9ad8\u9891\uff1a<\/p>\n\n\n\n\n\n\n\n\n\n
\u6392\u540d<\/th>\n\u9891\u7387<\/th>\n\u683c\u5f0f<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\n75616<\/td>\ntime.RFC3339<\/td>\n<\/tr>\n
2<\/td>\n23954<\/td>\ntime.RFC3339Nano<\/td>\n<\/tr>\n
3<\/td>\n13312<\/td>\n“2006-01-02 15:04:05”<\/td>\n<\/tr>\n
4<\/td>\n12332<\/td>\n“2006-01-02”<\/td>\n<\/tr>\n
5<\/td>\n11940<\/td>\ntime.RFC1123<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u7efc\u4e0a\u6570\u636e\u6240\u8ff0\uff0c\u7ec8\u4e8e\u5728 Go \u8fc7\u53bb\u4e86 13 \u5e74\u540e\uff0c\u5c06\u4f1a\u5728 Go1.20 \u589e\u52a0\u5982\u4e0b\u4e09\u4e2a\u5e38\u91cf\uff1a<\/p>\n
DateTime   = "2006-01-02 15:04:05"\nDateOnly   = "2006-01-02"\nTimeOnly   = "15:04:05"<\/code><\/pre>\n
\u65b0\u7248\u672c\u4e2d\u76f4\u63a5\u5f15\u7528\u5373\u53ef\u3002<\/p>\n
\u4ee5\u540e\u95ee\u8fd9\u662f\u4ec0\u4e48\u610f\u601d\u7684\u540c\u5b66\uff0c\u53ef\u80fd\u4f1a\u53d8\u5c11\u3002<\/p>\n
\u652f\u6301\u6bd4\u8f83\uff1aTime.Compare<\/h2>\n
\u76ee\u524d\u5728\u6807\u51c6\u5e93\u4e2d\uff0c\u6709 3 \u4e2a\u65b9\u6cd5\u6765\u6bd4\u8f83 time.Time \u5bf9\u8c61\uff0c\u5206\u522b\u662f\uff1aBefore()\u3001Equal() \u548c After()\uff0c\u4f5c\u7528\u4e0a\u7c7b\u4f3c <\u3001== \u548c >\u3002\u4f46\u7f3a\u5c11 <= \u548c >= \u7684\u7b49\u4ef7\u7269\uff0c\u56e0\u6b64\u5728\u7a0b\u5e8f\u4e2d\u5b9e\u65bd\u8d77\u6765\u4f1a\u6bd4\u8f83\u9ebb\u70e6\u3002<\/p>\n
\u7ecf\u5e38\u4e00\u756a\u8ba8\u8bba\uff0c\u5c06\u4f1a\u5728 Go1.20 \u652f\u6301 Time.Compare<\/strong>\uff0c\u4ee5\u6b64\u6765\u8fbe\u5230\u7c7b\u4f3c\u7684\u6548\u679c\u3002\u4f5c\u7528\u662f\u5c06 Time \u5bf9\u8c61 t \u548c u \u4e24\u8005\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n
\u51fd\u6570\u8fd4\u56de\u5982\u4e0b\u51e0\u79cd\u7ed3\u679c\uff1a<\/p>\n