{"id":15458,"date":"2024-11-18T18:10:08","date_gmt":"2024-11-18T10:10:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/?p=15458"},"modified":"2024-11-18T18:10:08","modified_gmt":"2024-11-18T10:10:08","slug":"go%e6%96%b0%e5%bb%ba%e6%96%87%e4%bb%b6%e6%9d%83%e9%99%90%e4%b8%8e%e8%ae%be%e7%bd%ae%e4%b8%8d%e7%ac%a6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/15458\/","title":{"rendered":"Go\u65b0\u5efa\u6587\u4ef6\u6743\u9650\u4e0e\u8bbe\u7f6e\u4e0d\u7b26"},"content":{"rendered":"<p><strong>\u95ee\u9898\uff1a<\/strong><\/p>\n<pre>fileName := \"\/Users\/my\/tests\/perm_file\"\r\nf, _ := os.OpenFile(fileName, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0666)\r\nf.Close()<\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u662f\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff0c\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa\u4e00\u4e2a\u65b0\u6587\u4ef6\uff0c\u540c\u65f6\u6743\u9650\u8bbe\u7f6e\u4e3a0666(-rw-rw-rw-)\uff0c\u4f46\u5b9e\u9645\u751f\u6210\u7684\u6587\u4ef6\u6743\u9650\u53ef\u80fd\u4e0e\u4f60\u8ba4\u4e3a\u7684\u4e0d\u4e00\u81f4:<\/p>\n<p>&nbsp;<\/p>\n<pre># ll perm_file\r\n-rw-r--r--\u00a0 1 my\u00a0 staff\u00a0 0\u00a0 1 12 16:06 perm_file<\/pre>\n<p>\u8fd9\u4e2a\u8ddfumask\u503c\u76f8\u5173\uff0c\u4e0b\u9762\u8bf4\u660e\u4e0bumask<\/p>\n<p><strong>\u529f\u80fd\u8bf4\u660e\uff1a<\/strong>\u6307\u5b9a\u5728\u5efa\u7acb\u6587\u4ef6\u65f6\u9884\u8bbe\u7684\u6743\u9650\u63a9\u7801\u3002<br \/>\n<strong>\u8bed\u3000\u3000\u6cd5\uff1a<\/strong>umask [-S][\u6743\u9650\u63a9\u7801]<br \/>\n<strong>\u8865\u5145\u8bf4\u660e\uff1a<\/strong>umask\u53ef\u7528\u6765\u8bbe\u5b9a[\u6743\u9650\u63a9\u7801]\u3002[\u6743\u9650\u63a9\u7801]\u662f\u75313\u4e2a\u516b\u8fdb\u5236\u7684\u6570\u5b57\u6240\u7ec4\u6210\uff0c\u5c06\u73b0\u6709\u7684\u5b58\u53d6\u6743\u9650\u51cf\u6389\u6743\u9650\u63a9\u7801\u540e\uff0c\u5373\u53ef\u4ea7\u751f\u5efa\u7acb\u6587\u4ef6\u65f6\u9884\u8bbe\u7684\u6743\u9650\u3002<br \/>\n<strong>\u53c2\u3000\u3000\u6570\uff1a<\/strong><br \/>\n-S \u3000\u4ee5\u6587\u5b57\u7684\u65b9\u5f0f\u6765\u8868\u793a\u6743\u9650\u63a9\u7801\u3002<br \/>\n\u6587\u4ef6\uff1a\u7528\u516b\u8fdb\u5236\u57fa\u6570666\uff0c\u5373\u65e0x\u4f4d\uff08\u53ef\u6267\u884c\u4f4d\uff09rw- rw- rw-.\u6267\u884c\u4f4d\u9700\u7531\u7528\u6237\u81ea\u884c\u52a0\u5165\u3002<br \/>\numask\u5c31\u662f\u7cfb\u7edf\u7684\u4e00\u4e2a\u5b89\u5168\u673a\u5236\uff0c\u901a\u8fc7\u8bbe\u7f6e\u4e0d\u540c\u7684\u6743\u9650\uff0c\u53ef\u4ee5\u8fbe\u5230\u9650\u5236\u7528\u6237\u64cd\u4f5c\u7684\u76ee\u7684\uff0c\u6709\u6548\u5730\u4fdd\u8bc1\u4e86\u6587\u4ef6\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<p>\u63a5\u7740\u8bf4\u4e0a\u9762\u7684\u4f8b\u5b50<br \/>\n\u9700\u8981\u7684\u6743\u9650\u662f-rw-rw-rw-\uff0c\u4f46\u5b9e\u9645\u751f\u6210\u7684\u6587\u4ef6\u6743\u9650\u662f-rw-r\u2013r\u2013\uff0c\u7528\u6237\u7ec4\u548c\u5176\u4ed6\u7528\u6237\u7684w\u6743\u9650\u88ab\u53bb\u6389\u4e86\uff0c\u67e5\u770b\u4e0b\u7cfb\u7edf\u7684umask\u503c<\/p>\n<pre># umask\r\n0022<\/pre>\n<p>umask\u503c\u662f0022\uff0cr\u662f4\uff0cw\u662f2\uff0cx\u662f1\uff0c\u5bf9\u5e94\u5982\u4e0b<\/p>\n<p>\u8bf4\u660e\u00a0\u00a0 \u00a0\u6240\u5c5e\u7528\u6237\u00a0\u00a0 \u00a0\u6240\u5c5e\u7528\u6237\u7ec4\u00a0\u00a0 \u00a0\u5176\u4ed6\u7528\u6237<br \/>\n\u9700\u8981\u7684\u00a0\u00a0 \u00a0-rw-\u00a0\u00a0 \u00a0rw-\u00a0\u00a0 \u00a0rw-<br \/>\n\u51cf\u53bbumask\u00a0\u00a0 \u00a00\u00a0\u00a0 \u00a02(w)\u00a0\u00a0 \u00a02(w)<br \/>\n\u5f97\u5230\u00a0\u00a0 \u00a0-rw-\u00a0\u00a0 \u00a0r\u2013\u00a0\u00a0 \u00a0r\u2013<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>1\u3001\u8bbe\u5b9aumask\u503c<\/p>\n<pre>syscall.Umask(0)<\/pre>\n<p>2\u3001\u901a\u8fc7chmod\u91cd\u65b0\u8d4b\u6743\u9650<\/p>\n<pre>os.Chmod(fileName, 0666)<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u95ee\u9898\uff1a fileName := &#8220;\/Users\/my\/tests\/perm_file&#8221; f, _ := os.OpenFile(fileName, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0666) f.Close() \u4e0a\u8ff0\u4ee3\u7801\u662f\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff0c\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa\u4e00\u4e2a\u65b0\u6587\u4ef6\uff0c\u540c\u65f6\u6743\u9650\u8bbe\u7f6e\u4e3a0666(-rw-rw-rw-)\uff0c\u4f46\u5b9e\u9645\u751f\u6210\u7684\u6587\u4ef6\u6743\u9650\u53ef\u80fd\u4e0e\u4f60\u8ba4\u4e3a\u7684\u4e0d\u4e00\u81f4: &nbsp; # ll perm_file -rw-r&#8211;r&#8211;\u00a0 1 my\u00a0 staff\u00a0 0\u00a0 1 12 16:06 perm_file \u8fd9\u4e2a\u8ddfumask\u503c\u76f8\u5173\uff0c\u4e0b\u9762\u8bf4\u660e\u4e0bumask \u529f\u80fd\u8bf4\u660e\uff1a\u6307\u5b9a\u5728\u5efa\u7acb\u6587\u4ef6\u65f6\u9884\u8bbe\u7684\u6743\u9650\u63a9\u7801\u3002 \u8bed\u3000\u3000\u6cd5\uff1aumask [-S][\u6743\u9650\u63a9\u7801] \u8865\u5145\u8bf4\u660e\uff1aumask\u53ef\u7528\u6765\u8bbe\u5b9a[\u6743\u9650\u63a9\u7801]\u3002[\u6743\u9650\u63a9\u7801]\u662f\u75313\u4e2a\u516b\u8fdb\u5236\u7684\u6570\u5b57\u6240\u7ec4\u6210\uff0c\u5c06\u73b0\u6709\u7684\u5b58\u53d6\u6743\u9650\u51cf\u6389\u6743\u9650\u63a9\u7801\u540e\uff0c\u5373\u53ef\u4ea7\u751f\u5efa\u7acb\u6587\u4ef6\u65f6\u9884\u8bbe\u7684\u6743\u9650\u3002 \u53c2\u3000\u3000\u6570\uff1a -S \u3000\u4ee5\u6587\u5b57\u7684\u65b9\u5f0f\u6765\u8868\u793a\u6743\u9650\u63a9\u7801\u3002 \u6587\u4ef6\uff1a\u7528\u516b\u8fdb\u5236\u57fa\u6570666\uff0c\u5373\u65e0x\u4f4d\uff08\u53ef\u6267\u884c\u4f4d\uff09rw- rw- rw-.\u6267\u884c\u4f4d\u9700\u7531\u7528\u6237\u81ea\u884c\u52a0\u5165\u3002 umask\u5c31\u662f\u7cfb\u7edf\u7684\u4e00\u4e2a\u5b89\u5168\u673a\u5236\uff0c\u901a\u8fc7\u8bbe\u7f6e\u4e0d\u540c\u7684\u6743\u9650\uff0c\u53ef\u4ee5\u8fbe\u5230\u9650\u5236\u7528\u6237\u64cd\u4f5c\u7684\u76ee\u7684\uff0c\u6709\u6548\u5730\u4fdd\u8bc1\u4e86\u6587\u4ef6\u7684\u5b8c\u6574\u6027\u3002 \u63a5\u7740\u8bf4\u4e0a\u9762\u7684\u4f8b\u5b50 \u9700\u8981\u7684\u6743\u9650\u662f-rw-rw-rw-\uff0c\u4f46\u5b9e\u9645\u751f\u6210\u7684\u6587\u4ef6\u6743\u9650\u662f-rw-r\u2013r\u2013\uff0c\u7528\u6237\u7ec4\u548c\u5176\u4ed6\u7528\u6237\u7684w\u6743\u9650\u88ab\u53bb\u6389\u4e86\uff0c\u67e5\u770b\u4e0b\u7cfb\u7edf\u7684umask\u503c # umask 0022 umask\u503c\u662f0022\uff0cr\u662f4\uff0cw\u662f2\uff0cx\u662f1\uff0c\u5bf9\u5e94\u5982\u4e0b \u8bf4\u660e\u00a0\u00a0 \u00a0\u6240\u5c5e\u7528\u6237\u00a0\u00a0 \u00a0\u6240\u5c5e\u7528\u6237\u7ec4\u00a0\u00a0 \u00a0\u5176\u4ed6\u7528\u6237 \u9700\u8981\u7684\u00a0\u00a0 \u00a0-rw-\u00a0\u00a0 \u00a0rw-\u00a0\u00a0 \u00a0rw- \u51cf\u53bbumask\u00a0\u00a0 \u00a00\u00a0\u00a0 \u00a02(w)\u00a0\u00a0 \u00a02(w) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-15458","post","type-post","status-publish","format-standard","hentry","category-docker"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=15458"}],"version-history":[{"count":1,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15458\/revisions"}],"predecessor-version":[{"id":15459,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15458\/revisions\/15459"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=15458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=15458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=15458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}