{"id":207827,"date":"2025-07-08T08:56:47","date_gmt":"2025-07-08T00:56:47","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207827\/"},"modified":"2025-07-08T08:56:47","modified_gmt":"2025-07-08T00:56:47","slug":"printf-%e5%87%bd%e6%95%b0%e4%bb%a5%e4%b8%8d%e5%90%8c%e6%96%b9%e5%bc%8f%e6%98%be%e7%a4%ba%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207827\/","title":{"rendered":"Printf \u51fd\u6570\u4ee5\u4e0d\u540c\u65b9\u5f0f\u663e\u793a\u7ed3\u6784"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Printf \u51fd\u6570\u4ee5\u4e0d\u540c\u65b9\u5f0f\u663e\u793a\u7ed3\u6784<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-25 21:39:38<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300aPrintf \u51fd\u6570\u4ee5\u4e0d\u540c\u65b9\u5f0f\u663e\u793a\u7ed3\u6784\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n

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

\u6211\u6b63\u5728\u4f7f\u7528 regex \u5305\u7684\u7f16\u8bd1\u51fd\u6570\uff0c\u5b83\u8fd4\u56de regexp<\/em> \u7ed3\u6784\u7684\u6307\u9488\uff0c\u5e76\u5728 printf \u51fd\u6570\u4e2d\u4f20\u9012\u7ed3\u6784\uff0c\u4ec5\u663e\u793a\u5b57\u7b26\u4e32\u800c\u4e0d\u662f\u6574\u4e2a\u7ed3\u6784\u3002<\/p>\n

package main\n\nimport (\n    \"fmt\"\n    \"regexp\"\n)\n\nfunc main() {\n    reg, _ := regexp.compile(`[0-9a-f]+`)\n    fmt.printf(\"%+v \\n\", reg)\n}\n\n\/\/ output\n[0-9a-f]+<\/pre>\n
\u4f46\u662f\u5f53\u6211\u521b\u5efa\u81ea\u5df1\u7684\u7ed3\u6784\u5e76\u7528\u4e00\u4e9b\u503c\u521d\u59cb\u5316\u5e76\u6253\u5370\u5b83\u65f6\uff0c\u5b83\u4f1a\u663e\u793a\u5b8c\u6574\u7684\u7ed3\u6784\u3002\u6211\u4e0d\u660e\u767d\u8fd9\u91cc\u7684\u6982\u5ff5\u3002<\/p>\n
package main\n\nimport (\n    \"fmt\"\n)\n\ntype Exp struct {\n    a           string \n    b           int\n}\n\nfunc main() {\n    x := &Exp{\"akash\", 12}\n    fmt.Printf(\"%+v \\n\", x)\n}\n\n\/\/ Output: &{akash 12}<\/pre>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
 \u7c7b\u578b\u5b9e\u73b0 \u63a5\u53e3\uff0c\u8fd9\u662f fmt.Print*<\/code> \u65b9\u6cd5\u4e2d\u4f7f\u7528\u7684\u9ed8\u8ba4\u52a8\u8bcd\u3002<\/p>\n
\u8fd9\u610f\u5473\u7740\u5b83\u5728\u7b2c\u4e00\u4e2a\u793a\u4f8b\u4e2d\u8fdb\u884c\u683c\u5f0f\u5316\u65f6\u4f1a\u8c03\u7528 reg.String()<\/code>\u3002<\/p>\n
\u5728\u7b2c\u4e8c\u4e2a\u793a\u4f8b\u4e2d\uff0c\u60a8\u7684\u81ea\u5b9a\u4e49\u7c7b\u578b Exp<\/code> \u6ca1\u6709\u6b64\u7c7b\u65b9\u6cd5\uff0c\u56e0\u6b64\u5b83\u4f7f\u7528\u7ed3\u6784\u7684\u9ed8\u8ba4 Go \u683c\u5f0f\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300aPrintf \u51fd\u6570\u4ee5\u4e0d\u540c\u65b9\u5f0f\u663e\u793a\u7ed3\u6784\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\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-207827","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207827","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=207827"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207827\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207827"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207827"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}