{"id":207883,"date":"2025-07-08T11:12:53","date_gmt":"2025-07-08T03:12:53","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207883\/"},"modified":"2025-07-08T11:12:53","modified_gmt":"2025-07-08T03:12:53","slug":"%e5%9c%a8-go-%e4%b8%ad%e7%94%9f%e6%88%90%e6%9e%84%e5%bb%ba%e6%97%b6%e9%97%b4%e6%88%b3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207883\/","title":{"rendered":"\u5728 Go \u4e2d\u751f\u6210\u6784\u5efa\u65f6\u95f4\u6233"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5728 Go \u4e2d\u751f\u6210\u6784\u5efa\u65f6\u95f4\u6233<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-26 13:06:34<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

Golang\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300a\u5728 Go \u4e2d\u751f\u6210\u6784\u5efa\u65f6\u95f4\u6233\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u60f3\u5728 go \u7a0b\u5e8f\u4e2d\uff08\u5728 debian\/linux\/x86-64 \u4e0a\u4f7f\u7528 go 1.11.1\uff09\u4fdd\u7559\u6784\u5efa\u65f6\u95f4\u6233\uff0c\u5e76\u7528\u4e00\u884c\u89e3\u91ca\u6700\u540e\u4e00\u6b21 git commit<\/code>\u3002<\/p>\n

\u5728 c \u7a0b\u5e8f\u4e2d\uff08fwiw \u6211\u7684 bismon \u9879\u76ee\u6b63\u5728\u505a\u975e\u5e38\u7c7b\u4f3c\u7684\u4e8b\u60c5\uff09\uff0c\u6211\u53ea\u4f1a\u751f\u6210\u4e00\u4e9b _timestamp.c<\/code> \u6587\u4ef6\uff0c\u4f8b\u5982\u4f7f\u7528 makefile<\/code> \u914d\u65b9\uff0c\u4f8b\u5982\uff1a<\/p>\n

_timestamp.c: \n    date +'const char my_timestamp[]='%c';%n' > $@\n    (echo -n 'const char my_lastgitcommit[]=\"'; \\\n     git log --format=oneline --abbrev=12 --abbrev-commit -q | head -1 \\\n       | tr -d '\\n\\r\\f\\\"\\\\\\\\' ; echo '\";') >> $@<\/pre>\n
\u6211\u4f1a\u5c06\u6211\u7684\u7a0b\u5e8f myprog<\/code> \u94fe\u63a5\u5230\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n
myprog: $(myobjects) _timestamp.c\n    $(link.c) $(myobjects) _timestamp.c -o $@\n    $(rm) _timestamp.c<\/pre>\n
\u8bf7\u6ce8\u610f\uff0c_timestamp.c<\/code> \u4f1a\u5728\u6bcf\u6b21\u6210\u529f\u94fe\u63a5\u65f6\u81ea\u52a8\u5220\u9664\u3002\u5f53\u7136\uff0c\u5728\u67d0\u4e9b\u6807\u5934\u4e2d\uff0c\u6211\u4f1a\u58f0\u660e extern const char my_timestamp[];<\/code> \u548c extern const char my_lastgitcommit[]:<\/code> \u6211\u4f1a\u4f7f\u7528\u4f8b\u5982\u6211\u7684 my_timestamp<\/code> \u548c my_lastgitcommit<\/code> \u5728\u6211\u7684 main.c<\/code> \u4e2d\uff08\u5e76\u4e14 myobjects<\/code> \u5305\u542b main.o<\/code>\uff09<\/p>\n
\u770b\u8d77\u6765 gogenerate<\/code> \u53ef\u4ee5\u7528\u6765\u4ee5\u7c7b\u4f3c\u7684\u65b9\u5f0f\u8868\u73b0\u3002\u6211\u60f3\u8981\u4e00\u4e2a\u5305 \"timestamp\"<\/code> \u5b9a\u4e49\u4e24\u4e2a\u5b57\u7b26\u4e32\u5168\u5c40\u53d8\u91cf timestamp.my_timestamp<\/code> \u548c timestamp.my_gitcommit<\/code> \u4f46\u6211\u4e0d\u592a\u660e\u767d\u8be5\u600e\u4e48\u505a\u3002<\/p>\n
\u6211\u5c1d\u8bd5\u6dfb\u52a0\u4e00\u4e9b timestamp\/timestamp.go<\/code> \u6587\u4ef6<\/p>\n
package timestamp\n\n\/\/go:generate date +'var my_timestamp = \"%c\"%n'\n\n\/\/ code generated - do not edit.<\/pre>\n
\u4f46\u662f gogenerate<\/code> \u7136\u540e goinstall<\/code> \u5e76\u6ca1\u6709\u6539\u53d8<\/p>\n
\u5f53\u7136\uff0c\u8fd9\u4e9b\u65f6\u95f4\u6233\u5728\u7f16\u8bd1\u65f6\u5e94\u8be5\u662f\u5e38\u91cf\u5b57\u7b26\u4e32\uff0c\u6211\u5e0c\u671b\u5728 elf \u53ef\u6267\u884c\u6587\u4ef6\u4e0a\u8fd0\u884c strings(1) \u5b9e\u7528\u7a0b\u5e8f\u65f6\u627e\u5230\u5b83\u4eec\u3002<\/p>\n
\u987a\u4fbf\u8bf4\u4e00\u53e5\uff0c\u6211\u8bb0\u5f97 go<\/code> \u547d\u4ee4\u7684\u52a8\u673a\u4e4b\u4e00\uff1a<\/p>\n
 go \u4ece\u4e00\u5f00\u59cb\u5c31\u6709\u4e00\u4e2a\u660e\u786e\u7684\u76ee\u6807\uff0c\u5c31\u662f\u80fd\u591f\u4ec5\u4f7f\u7528\u6e90\u4ee3\u7801\u672c\u8eab\u4e2d\u627e\u5230\u7684\u4fe1\u606f\u6765\u6784\u5efa go \u4ee3\u7801\uff0c\u800c\u4e0d\u9700\u8981\u7f16\u5199 makefile \u6216 makefile \u7684\u8bb8\u591a\u73b0\u4ee3\u66ff\u4ee3\u54c1\u4e4b\u4e00\u3002\u5982\u679c go \u9700\u8981\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\u6765\u89e3\u91ca\u5982\u4f55\u6784\u5efa\u7a0b\u5e8f\uff0c\u90a3\u4e48 go \u5c31\u4f1a\u5931\u8d25\u3002 <\/p>\n
\u6240\u4ee5\u6211\u4ecd\u7136\u671f\u5f85\u4e00\u4e9b\u4e1c\u897f\u53ef\u4ee5\u5355\u72ec\u8fdb\u5165\u6e90\u4ee3\u7801\uff0c\u800c\u4e0d\u9700\u8981\u989d\u5916\u7684\u6784\u5efa\u914d\u7f6e\u3002<\/p>\n
\u6362\u53e5\u8bdd\u8bf4\uff0c\u6211\u60f3\u5728\u6bcf\u6b21\u6784\u5efa\u65f6\u751f\u6210<\/em>\u4e00\u4e2a\u7c7b\u4f3c\u4e8e\u4ee5\u4e0b\u5185\u5bb9\u7684 go \u6587\u4ef6\uff1a<\/p>\n
\/\/ generated timestamp.go file\npackage timestamp\nvar Buildtime = \"Tue 30 Oct 2018 09:39:01 AM MET\";\nvar Buildlastgitcommit = \"7fde394b60bc adding timestamp.go\"<\/pre>\n
buildtime<\/code> \u5b57\u7b26\u4e32\u7531 date +%c<\/code> \u751f\u6210\u3002 buildlastgitcommit<\/code> \u5b57\u7b26\u4e32\u53ef\u80fd\u662f\u7531\u7c7b\u4f3c\u4e8e\u6211\u7684 _timestamp.c<\/code> make \u89c4\u5219\u6b63\u5728\u6267\u884c\u7684\u547d\u4ee4\u751f\u6210\u7684\u3002<\/p>\n
\u6211\u9700\u8981\u8fd9\u4e9b\u5b57\u7b26\u4e32\u662f\u5e38\u91cf\uff0c\u5e76\u4e14\u5185\u7f6e\u4e8e go \u6784\u5efa\u751f\u6210\u7684 elf \u53ef\u6267\u884c\u6587\u4ef6\u4e2d\uff08\u6211\u66f4\u559c\u6b22\u901a\u8fc7\u901a\u5e38\u7684\u547d\u4ee4\u6765\u5b8c\u6210\uff0c\u4e0d\u9700\u8981 go build<\/code> \u6216\u4efb\u4f55\u5176\u4ed6\u53c2\u6570\uff09\u5176\u4ed6\u6784\u5efa\u81ea\u52a8\u5316\u5de5\u5177\uff0c\u6216\u8005\u5982\u679c\u5fd8\u8bb0\u5f3a\u5236\u53c2\u6570\uff0c\u5219\u901a\u8fc7\u67d0\u79cd\u65b9\u5f0f\u4f7f\u6784\u5efa\u5931\u8d25\uff1b\u56e0\u6b64 atanayel \u7684\u7b54\u6848\u662f\u4e0d\u591f\u7684\uff09\u3002\u6240\u4ee5\u6211\u5e0c\u671b strings(1) \u5b9e\u7528\u7a0b\u5e8f\u5728\u53ef\u6267\u884c\u6587\u4ef6\u4e2d\u5feb\u901f\u627e\u5230\u8fd9\u4e9b\u5b57\u7b26\u4e32\u3002\u5e76\u4e14\u6b64\u7c7b\u6587\u4ef6\u7684\u751f\u6210\u5e94\u8be5\u5728\u67d0\u79cd\u6587\u4ef6\u4e2d\u8fdb\u884c\u914d\u7f6e\uff0c\u800c\u4e0d\u9700\u8981\u5411\u6784\u5efa\u5668\u63d0\u4f9b\u989d\u5916\u7684\u53c2\u6570\u3002<\/p>\n
\u6211\u53ef\u4ee5\u8003\u8651\u5207\u6362\u5230\u5176\u4ed6\u4e00\u4e9bgo\u53cb\u597d\u7684<\/em>\u6784\u5efa\u81ea\u52a8\u5316\u7cfb\u7edf\uff08\u4f46\u4f3c\u4e4e\u5373\u4f7f\u4f7f\u7528gb\u6211\u4e5f\u4e0d\u80fd\u8f7b\u677e\u5730\u505a\u6211\u60f3\u505a\u7684\u4e8b\uff1a\u5feb\u901f\u751f\u6210\u4e00\u4e9b\u7b80\u5355\u7684.go<\/code>\u6bcf\u6b21\u6784\u5efa\u65f6\u90fd\u6587\u4ef6\uff09\u3002\u4f46\u6211\u4e0d\u660e\u767d\u4e3a\u4ec0\u4e48\u5728 go \u7a0b\u5e8f\u4e2d\u4f7f\u7528\u751f\u6210\u7684 go \u6587\u4ef6\u5982\u6b64\u56f0\u96be\u3002\u751f\u6210\u7b80\u5355\u4ee3\u7801\u9075\u5faa unix \u54f2\u5b66\uff0c\u5e76\u4e14\u5df2\u7ecf\u5b9e\u8df5\u4e86\u51e0\u5341\u5e74\uff08\u4f8b\u5982\uff0c\u8bf7\u53c2\u9605\u53d7\u65e7 yacc \u7a0b\u5e8f\u542f\u53d1\u7684 goyacc\uff09\u3002<\/p>\n
\u6ce8\u610f\uff1agogenerate<\/code> \u7684\u57fa\u672c\u539f\u7406\u660e\u786e\u63d0\u5230\uff1a<\/p>\n
 \u672c\u63d0\u6848\u7684\u76ee\u6807\u4e0d\u662f\u6784\u5efa\u50cf unix make(1) \u5b9e\u7528\u7a0b\u5e8f\u90a3\u6837\u7684\u901a\u7528\u6784\u5efa\u7cfb\u7edf\u3002 <\/p>\n
\u53ca\u4ee5\u540e<\/p>\n
 \u4e00\u65e6\u4e8b\u60c5\u89e3\u51b3\u4e86\uff0c\u4f5c\u8005\u5c06\u751f\u6210\u7684\u6587\u4ef6\u63d0\u4ea4\u5230\u6e90\u5b58\u50a8\u5e93\uff0c <\/p>\n
\uff08\u8fd9\u4e0d\u662f<\/em>\u6211\u7684\u7528\u4f8b\uff09<\/p>\n
 ps\u3002\u6211\u53ea\u5173\u5fc3 posix \u7cfb\u7edf\uff1b\u6211\u771f\u7684\u4e0d\u5728\u4e4e\u6211\u7684 go \u8f6f\u4ef6\u662f\u5426\u4e0d\u80fd\u5728 windows \u4e0a\u6784\u5efa\u3002\u6211\u503e\u5411\u4e8e\u8ba4\u4e3a\uff08\u4e0e
\ngo<\/code> \u547d\u4ee4\u52a8\u673a\u6240\u89e3\u91ca\u7684\u76f8\u53cd\uff09\uff0c\u5728\u6211\u7684\u7279\u5b9a\u60c5\u51b5\u4e0b\uff0c\u6211\u786e\u5b9e\u9700\u8981\u4e00\u4e9b\u6784\u5efa\u81ea\u52a8\u5316\u5de5\u5177\u3002\u5728\u6211\u7684 bastavigo \u73a9\u5177\u9879\u76ee (gplv3+) \u4e2d\uff0c\u6211\u4f7f\u7528
\nmake<\/code> \uff08\u9a71\u52a8
\ngo<\/code> \u547d\u4ee4\uff09
\n <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u6b63\u5982\u5176\u4ed6\u7b54\u6848\u63d0\u5230\u7684\uff0c\u60a8\u53ef\u4ee5\u5728\u6784\u5efa\u65f6\u5c06\u6240\u9700\u7684\u503c\u6ce8\u5165\u5230\u4e8c\u8fdb\u5236\u6587\u4ef6\u4e2d\u3002<\/p>\n
\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u6709\u8fd9\u4e9b\u5305\u53d8\u91cf\uff1a<\/p>\n
\/\/ build flags\nvar (\n    buildtime  string\n    commithash string\n    goversion  string\n    gittag     string\n)<\/pre>\n
\u7136\u540e\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a bash \u811a\u672c\u586b\u5145\u5b83\u4eec\uff1a<\/p>\n
#!\/bin\/sh\n\nclear\n\nTRG_PKG='main'\nBUILD_TIME=$(date +\"%Y%m%d.%H%M%S\")\nCommitHash=N\/A\nGoVersion=N\/A\nGitTag=N\/A\n\nif [[ $(go version) =~ [0-9]+\\.[0-9]+\\.[0-9]+ ]];\nthen\n    GoVersion=${BASH_REMATCH[0]}\nfi\n\nGV=$(git tag || echo 'N\/A')\nif [[ $GV =~ [^[:space:]]+ ]];\nthen\n    GitTag=${BASH_REMATCH[0]}\nfi\n\nGH=$(git log -1 --pretty=format:%h || echo 'N\/A')\nif [[ GH =~ 'fatal' ]];\nthen\n    CommitHash=N\/A\nelse\n    CommitHash=$GH\nfi\n\nFLAG=\"-X $TRG_PKG.BuildTime=$BUILD_TIME\"\nFLAG=\"$FLAG -X $TRG_PKG.CommitHash=$CommitHash\"\nFLAG=\"$FLAG -X $TRG_PKG.GoVersion=$GoVersion\"\nFLAG=\"$FLAG -X $TRG_PKG.GitTag=$GitTag\"\n\nif [[ $1 =~ '-i' ]];\nthen\n    echo 'go install'\n    go install -v -ldflags \"$FLAG\"\nelse\n    echo 'go build'\n    go build -v -ldflags \"$FLAG\"\nfi<\/pre>\n
\u793a\u4f8b\u4ee3\u7801\u53d6\u81ea\u6b64 \u3002<\/p>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5728 Go \u4e2d\u751f\u6210\u6784\u5efa\u65f6\u95f4\u6233\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03Golang\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207883","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207883","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207883"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207883\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207883"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207883"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}