{"id":15553,"date":"2024-11-18T20:16:00","date_gmt":"2024-11-18T12:16:00","guid":{"rendered":"https:\/\/fwq.ai\/blog\/?p=15553"},"modified":"2024-11-18T20:16:00","modified_gmt":"2024-11-18T12:16:00","slug":"go%e4%b8%adfmt%e5%8c%85%e6%96%b9%e6%b3%95printf%e7%9a%84%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/15553\/","title":{"rendered":"Go\u4e2dfmt\u5305\u65b9\u6cd5Printf\u7684\u7528\u6cd5"},"content":{"rendered":"<p>\u76f8\u6bd4PHP\uff0cGo\u8bed\u8a00\u7684\u6807\u51c6\u8f93\u51fa\u6d41\u7684\u529f\u80fd\u4e0a\u4e30\u5bcc\u5f88\u591a\u3002<\/p>\n<p>&nbsp;<\/p>\n<h1><strong>General<\/strong><\/h1>\n<ul>\n<li>%v \u4ee5\u9ed8\u8ba4\u7684\u65b9\u5f0f\u6253\u5370\u53d8\u91cf\u7684\u503c<\/li>\n<li>%T \u6253\u5370\u53d8\u91cf\u7684\u7c7b\u578b<\/li>\n<\/ul>\n<h1><strong>Integer<\/strong><\/h1>\n<ul>\n<li>%+d \u5e26\u7b26\u53f7\u7684\u6574\u578b\uff0cfmt.Printf(\u201c%+d\u201d, 255)\u8f93\u51fa+255<\/li>\n<li>%d \u4e0d\u5e26\u7b26\u53f7\u7684\u6574\u5f62\uff0c\u6ce8\u610f\u548c %+d\u7684\u533a\u522b\u3002<\/li>\n<li>%o \u4e0d\u5e26\u96f6\u7684\u516b\u8fdb\u5236<\/li>\n<li>%#o \u5e26\u96f6\u7684\u516b\u8fdb\u5236<\/li>\n<li>%x \u5c0f\u5199\u7684\u5341\u516d\u8fdb\u5236<\/li>\n<li>%X \u5927\u5199\u7684\u5341\u516d\u8fdb\u5236<\/li>\n<li>%#x \u5e260x\u7684\u5341\u516d\u8fdb\u5236<\/li>\n<li>%U \u6253\u5370Unicode\u5b57\u7b26<\/li>\n<li>%#U \u6253\u5370\u5e26\u5b57\u7b26\u7684Unicode<\/li>\n<li>%b \u6253\u5370\u6574\u578b\u7684\u4e8c\u8fdb\u5236<\/li>\n<li>%q \u6253\u5370\u5355\u5f15\u53f7<\/li>\n<\/ul>\n<h1><strong>Integer width<\/strong><\/h1>\n<ul>\n<li>%5d \u8868\u793a\u8be5\u6574\u578b\u6700\u5927\u957f\u5ea6\u662f5<\/li>\n<li>%-5d\u5219\u76f8\u53cd\uff0c\u6253\u5370\u7ed3\u679c\u4f1a\u81ea\u52a8\u5de6\u5bf9\u9f50<\/li>\n<li>%05d\u4f1a\u5728\u6570\u5b57\u524d\u9762\u8865\u96f6\u3002<\/li>\n<\/ul>\n<h1><strong>Float<\/strong><\/h1>\n<ul>\n<li>%f (=%.6f) 6\u4f4d\u5c0f\u6570\u70b9<\/li>\n<li>%e (=%.6e) 6\u4f4d\u5c0f\u6570\u70b9\uff08\u79d1\u5b66\u8ba1\u6570\u6cd5\uff09<\/li>\n<li>%g \u7528\u6700\u5c11\u7684\u6570\u5b57\u6765\u8868\u793a<\/li>\n<li>%.3g \u6700\u591a3\u4f4d\u6570\u5b57\u6765\u8868\u793a<\/li>\n<li>%.3f \u6700\u591a3\u4f4d\u5c0f\u6570\u6765\u8868\u793a<\/li>\n<\/ul>\n<h1><strong>String<\/strong><\/h1>\n<ul>\n<li>%s \u6b63\u5e38\u8f93\u51fa\u5b57\u7b26\u4e32<\/li>\n<li>%q \u5b57\u7b26\u4e32\u5e26\u53cc\u5f15\u53f7\uff0c\u5b57\u7b26\u4e32\u4e2d\u7684\u5f15\u53f7\u5e26\u8f6c\u4e49\u7b26<\/li>\n<li>%#q \u5b57\u7b26\u4e32\u5e26\u53cd\u5f15\u53f7\uff0c\u5982\u679c\u5b57\u7b26\u4e32\u5185\u6709\u53cd\u5f15\u53f7\uff0c\u5c31\u7528\u53cc\u5f15\u53f7\u4ee3\u66ff<\/li>\n<li>%x \u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5c0f\u5199\u768416\u8fdb\u5236\u683c\u5f0f<\/li>\n<li>%X \u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199\u768416\u8fdb\u5236\u683c\u5f0f<\/li>\n<li>% x \u5e26\u7a7a\u683c\u768416\u8fdb\u5236\u683c\u5f0f<\/li>\n<\/ul>\n<h1><strong>String Width (\u4ee55\u505a\u4f8b\u5b50\uff09<\/strong><\/h1>\n<ul>\n<li>%5s \u6700\u5c0f\u5bbd\u5ea6\u4e3a5<\/li>\n<li>%-5s \u6700\u5c0f\u5bbd\u5ea6\u4e3a5\uff08\u5de6\u5bf9\u9f50\uff09<\/li>\n<li>%.5s \u6700\u5927\u5bbd\u5ea6\u4e3a5<\/li>\n<li>%5.7s \u6700\u5c0f\u5bbd\u5ea6\u4e3a5\uff0c\u6700\u5927\u5bbd\u5ea6\u4e3a7<\/li>\n<li>%-5.7s \u6700\u5c0f\u5bbd\u5ea6\u4e3a5\uff0c\u6700\u5927\u5bbd\u5ea6\u4e3a7\uff08\u5de6\u5bf9\u9f50\uff09<\/li>\n<li>%5.3s \u5982\u679c\u5bbd\u5ea6\u5927\u4e8e3\uff0c\u5219\u622a\u65ad<\/li>\n<li>%05s \u5982\u679c\u5bbd\u5ea6\u5c0f\u4e8e5\uff0c\u5c31\u4f1a\u5728\u5b57\u7b26\u4e32\u524d\u9762\u8865\u96f6<\/li>\n<\/ul>\n<h1><strong>Struct<\/strong><\/h1>\n<ul>\n<li>%v \u6b63\u5e38\u6253\u5370\u3002\u6bd4\u5982\uff1a{sam {12345 67890}}<\/li>\n<li>%+v \u5e26\u5b57\u6bb5\u540d\u79f0\u3002\u6bd4\u5982\uff1a{name:sam phone:{mobile:12345 office:67890}<\/li>\n<li>%#v \u7528Go\u7684\u8bed\u6cd5\u6253\u5370\u3002<br \/>\n\u6bd4\u5982main.People{name:\u201dsam\u201d, phone:main.Phone{mobile:\u201d12345\u201d, office:\u201d67890\u201d}}<\/li>\n<\/ul>\n<h1>Boolean<\/h1>\n<ul>\n<li>%t \u6253\u5370true\u6216false<\/li>\n<\/ul>\n<h1><strong>Pointer<\/strong><\/h1>\n<ul>\n<li>%p \u5e260x\u7684\u6307\u9488<\/li>\n<li>%#p \u4e0d\u5e260x\u7684\u6307\u9488<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u76f8\u6bd4PHP\uff0cGo\u8bed\u8a00\u7684\u6807\u51c6\u8f93\u51fa\u6d41\u7684\u529f\u80fd\u4e0a\u4e30\u5bcc\u5f88\u591a\u3002 &nbsp; General %v \u4ee5\u9ed8\u8ba4\u7684\u65b9\u5f0f\u6253\u5370\u53d8\u91cf\u7684\u503c %T \u6253\u5370\u53d8\u91cf\u7684\u7c7b\u578b Integer %+d \u5e26\u7b26\u53f7\u7684\u6574\u578b\uff0cfmt.Printf(\u201c%+d\u201d, 255)\u8f93\u51fa+255 %d \u4e0d\u5e26\u7b26\u53f7\u7684\u6574\u5f62\uff0c\u6ce8\u610f\u548c %+d\u7684\u533a\u522b\u3002 %o \u4e0d\u5e26\u96f6\u7684\u516b\u8fdb\u5236 %#o \u5e26\u96f6\u7684\u516b\u8fdb\u5236 %x \u5c0f\u5199\u7684\u5341\u516d\u8fdb\u5236 %X \u5927\u5199\u7684\u5341\u516d\u8fdb\u5236 %#x \u5e260x\u7684\u5341\u516d\u8fdb\u5236 %U \u6253\u5370Unicode\u5b57\u7b26 %#U \u6253\u5370\u5e26\u5b57\u7b26\u7684Unicode %b \u6253\u5370\u6574\u578b\u7684\u4e8c\u8fdb\u5236 %q \u6253\u5370\u5355\u5f15\u53f7 Integer width %5d \u8868\u793a\u8be5\u6574\u578b\u6700\u5927\u957f\u5ea6\u662f5 %-5d\u5219\u76f8\u53cd\uff0c\u6253\u5370\u7ed3\u679c\u4f1a\u81ea\u52a8\u5de6\u5bf9\u9f50 %05d\u4f1a\u5728\u6570\u5b57\u524d\u9762\u8865\u96f6\u3002 Float %f (=%.6f) 6\u4f4d\u5c0f\u6570\u70b9 %e (=%.6e) 6\u4f4d\u5c0f\u6570\u70b9\uff08\u79d1\u5b66\u8ba1\u6570\u6cd5\uff09 %g \u7528\u6700\u5c11\u7684\u6570\u5b57\u6765\u8868\u793a %.3g \u6700\u591a3\u4f4d\u6570\u5b57\u6765\u8868\u793a %.3f \u6700\u591a3\u4f4d\u5c0f\u6570\u6765\u8868\u793a String %s \u6b63\u5e38\u8f93\u51fa\u5b57\u7b26\u4e32 %q [&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-15553","post","type-post","status-publish","format-standard","hentry","category-docker"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15553","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=15553"}],"version-history":[{"count":1,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15553\/revisions"}],"predecessor-version":[{"id":15554,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15553\/revisions\/15554"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=15553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=15553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=15553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}