{"id":206503,"date":"2025-06-12T08:35:56","date_gmt":"2025-06-12T00:35:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206503\/"},"modified":"2025-06-12T08:35:56","modified_gmt":"2025-06-12T00:35:56","slug":"go-%e4%b8%ad-log-printf-%e6%96%b9%e6%b3%95%e5%a6%82%e4%bd%95%e6%ad%a3%e7%a1%ae%e5%a4%84%e7%90%86%e5%8f%af%e5%8f%98%e5%8f%82%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206503\/","title":{"rendered":"Go \u4e2d log.Printf \u65b9\u6cd5\u5982\u4f55\u6b63\u786e\u5904\u7406\u53ef\u53d8\u53c2\u6570\uff1f"},"content":{"rendered":"<p>\u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230GOLANG\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u4e2d log.Printf \u65b9\u6cd5\u5982\u4f55\u6b63\u786e\u5904\u7406\u53ef\u53d8\u53c2\u6570\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01<br \/>\n<br \/>,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241113\/173148142867344f54c95db.jpg\" class=\"aligncenter\">,<br \/>\n<strong>go \u4e2d\u5c01\u88c5 log.printf \u65b9\u6cd5\u9047\u5230\u7684\u95ee\u9898<\/strong>,\u60f3\u8981\u63a7\u5236\u65e5\u5fd7\u8f93\u51fa\uff0c\u60a8\u5c1d\u8bd5\u5c01\u88c5\u4e86 log \u76f8\u5173\u7684\u65b9\u6cd5\uff0c\u4f46\u5728\u4f7f\u7528 log.printf \u65f6\u9047\u5230\u4e86\u95ee\u9898\u3002,<br \/>\n<strong>\u95ee\u9898\u8be6\u60c5\uff1a<\/strong>,\u60a8\u671f\u671b\u8f93\u51fa\uff1a&#8221;\u6211\u53ebjim,\u4eca\u5e7418&#8243;\uff0c\u4f46\u5b9e\u9645\u8f93\u51fa\u4e3a\uff1a&#8221;\u6211\u53eb[jim %!s(int=18)],\u4eca\u5e74%!d(missing)&#8221;\u3002\u539f\u56e0\u5728\u4e8e log.printf \u7684\u7b2c 2 \u4e2a\u53c2\u6570\u662f\u53ef\u53d8\u53c2\u6570\uff0c\u9700\u8981\u4f7f\u7528 &#8230; \u6765\u5c55\u5f00\u5b83\u3002,<br \/>\n<strong>\u95ee\u9898\u89e3\u51b3\u65b9\u6848\uff1a<\/strong>,\u4fee\u6539\u4ee3\u7801\u4e3a\uff1a,\u8fd9\u6837\u5c31\u4f1a\u6b63\u786e\u8f93\u51fa\u60a8\u671f\u671b\u7684\u5185\u5bb9\u3002,\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGo \u4e2d log.Printf \u65b9\u6cd5\u5982\u4f55\u6b63\u786e\u5904\u7406\u53ef\u53d8\u53c2\u6570\uff1f\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~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01,go \u4e2d\u5c01\u88c5 log.printf \u65b9\u6cd5\u9047\u5230\u7684\u95ee\u9898,\u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230GOLANG\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u4e2d log.Printf \u65b9\u6cd5\u5982\u4f55\u6b63\u786e\u5904\u7406\u53ef\u53d8\u53c2\u6570\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01<br \/>\n<br \/>,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>Go \u4e2d log.Printf \u65b9\u6cd5\u5982\u4f55\u6b63\u786e\u5904\u7406\u53ef\u53d8\u53c2\u6570\uff1f<\/span><\/p>\n<h1>Go \u4e2d log.Printf \u65b9\u6cd5\u5982\u4f55\u6b63\u786e\u5904\u7406\u53ef\u53d8\u53c2\u6570\uff1f<\/h1>\n<p><span>2024-11-13 15:04:04<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230GOLANG\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u4e2d log.Printf \u65b9\u6cd5\u5982\u4f55\u6b63\u786e\u5904\u7406\u53ef\u53d8\u53c2\u6570\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241113\/173148142867344f54c95db.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>go \u4e2d\u5c01\u88c5 log.printf \u65b9\u6cd5\u9047\u5230\u7684\u95ee\u9898<\/strong><\/p>\n<p>\u60f3\u8981\u63a7\u5236\u65e5\u5fd7\u8f93\u51fa\uff0c\u60a8\u5c1d\u8bd5\u5c01\u88c5\u4e86 log \u76f8\u5173\u7684\u65b9\u6cd5\uff0c\u4f46\u5728\u4f7f\u7528 log.printf \u65f6\u9047\u5230\u4e86\u95ee\u9898\u3002<\/p>\n<p><strong>\u95ee\u9898\u8be6\u60c5\uff1a<\/strong><\/p>\n<pre>func debugf(str string, arg ...interface{}) {\n    if true {\n        log.printf(str+\"\\n\", arg)\n    }\n}<\/pre>\n<p>\u60a8\u671f\u671b\u8f93\u51fa\uff1a&#8221;\u6211\u53ebjim,\u4eca\u5e7418&#8243;\uff0c\u4f46\u5b9e\u9645\u8f93\u51fa\u4e3a\uff1a&#8221;\u6211\u53eb[jim %!s(int=18)],\u4eca\u5e74%!d(missing)&#8221;\u3002\u539f\u56e0\u5728\u4e8e log.printf \u7684\u7b2c 2 \u4e2a\u53c2\u6570\u662f\u53ef\u53d8\u53c2\u6570\uff0c\u9700\u8981\u4f7f\u7528 &#8230; \u6765\u5c55\u5f00\u5b83\u3002<\/p>\n<p><strong>\u95ee\u9898\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<p>\u4fee\u6539\u4ee3\u7801\u4e3a\uff1a<\/p>\n<pre>func Debugf(str string, arg ...interface{}) {\n    if true {\n        log.Printf(str+\"\\n\", arg...)\n    }\n}<\/pre>\n<p>\u8fd9\u6837\u5c31\u4f1a\u6b63\u786e\u8f93\u51fa\u60a8\u671f\u671b\u7684\u5185\u5bb9\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGo \u4e2d log.Printf \u65b9\u6cd5\u5982\u4f55\u6b63\u786e\u5904\u7406\u53ef\u53d8\u53c2\u6570\uff1f\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~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   Div\u8fb9\u6846\u4e3a\u4f55\u5728\u666e\u901a\u89c6\u56fe\u4e0b\u7f29\u77ed\uff0c\u5168\u5c4f\u6a21\u5f0f\u4e0b\u6062\u590d\u6b63\u5e38\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u4f7f\u7528 SQL \u67e5\u8be2\u6587\u7ae0\u5217\u8868\u5e76\u5224\u65ad\u5f53\u524d\u7528\u6237\u662f\u5426\u70b9\u8d5e\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230GOLANG\uff0c&#46;&#46;&#46;<\/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-206503","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206503","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=206503"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206503\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}