{"id":10048,"date":"2022-09-23T17:49:28","date_gmt":"2022-09-23T09:49:28","guid":{"rendered":"https:\/\/blog.ywdevops.cn\/?p=10048"},"modified":"2024-03-28T17:20:33","modified_gmt":"2024-03-28T09:20:33","slug":"go-25","status":"publish","type":"post","link":"https:\/\/blog.ywdevops.cn\/index.php\/2022\/09\/23\/go-25\/","title":{"rendered":"Go\u8bed\u8a00\u4e4b\u683c\u5f0f\u5316\u5360\u4f4d\u7b26"},"content":{"rendered":"\n

\u683c\u5f0f\u5316\u7684\u8f93\u5165\u4e0e\u8f93\u51fa\uff0c\u90fd\u9700\u8981\u4f7f\u7528\u5230\u683c\u5f0f\u5316\u5360\u4f4d\u7b26\uff0cGo \u8bed\u8a00\u7684\u683c\u5f0f\u5316\u5360\u4f4d\u7b26\u5927\u6982\u53ef\u5206\u4e3a\u666e\u901a\u5360\u4f4d\u7b26\u3001 \u5e03\u5c14\u5360\u4f4d\u7b26\u3001\u6574\u6570\u5360\u4f4d\u7b26\u3001\u6d6e\u70b9\u6570\u548c \u590d\u6570\u5360\u4f4d\u7b26\u3001\u5b57\u7b26\u4e32\u4e0e \u5b57\u8282\u5207\u7247\u5360\u4f4d\u7b26\u3001\u6307\u9488\u5360\u4f4d\u7b26\u4ee5\u53ca\u5176\u5b83\u6807\u8bb0\u7b49<\/p>\n\n\n\n

1\u3001\u666e\u901a\u5360\u4f4d\u7b26<\/strong><\/p>\n\n\n\n

\u5360\u4f4d\u7b26<\/td>\u8bf4\u660e<\/td>\u793a\u4f8b<\/td>\u7ed3\u679c<\/td><\/tr>
%v<\/td>\u503c\u7684\u9ed8\u8ba4\u683c\u5f0f<\/td>Printf(“%v”,”hello”)<\/td>hello<\/td><\/tr>
%#v<\/td>\u503c\u7684Go\u8bed\u6cd5\u8868\u793a<\/td>Printf(“%#v”,”hello”)<\/td>“hello”<\/td><\/tr>
%T<\/td>\u503c\u7684\u7c7b\u578b\u7684Go\u8bed\u6cd5\u8868\u793a<\/td>Printf(“%T”,”hello”)<\/td>string<\/td><\/tr>
%%<\/td>\u5b57\u9762\u4e0a\u7684\u767e\u5206\u53f7\uff0c\u5e76\u975e\u503c\u7684\u5360\u4f4d\u7b26<\/td>Printf(“%%\u201d)<\/td>%<\/td><\/tr>
%+v<\/td>\u6253\u5370\u7ed3\u6784\u4f53\u65f6\uff0c\u4f1a\u6dfb\u52a0\u5b57\u6bb5\u540d<\/td>Printf(“%+v”,abc)<\/td>{Name:”hello”}<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

2\u3001\u5e03\u5c14\u5360\u4f4d\u7b26<\/strong><\/p>\n\n\n\n

\u5360\u4f4d\u7b26<\/td>\u8bf4\u660e<\/td>\u793a\u4f8b<\/td>\u7ed3\u679c<\/td><\/tr>
%t<\/td>true \u6216 false<\/td>Printf(“%t\u201d, true)<\/td>true<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

3\u3001\u6574\u6570\u5360\u4f4d\u7b26<\/strong><\/p>\n\n\n\n

\u5360\u4f4d\u7b26<\/td>\u8bf4\u660e<\/td>\u793a\u4f8b<\/td>\u7ed3\u679c<\/td><\/tr>
%b<\/td>\u4e8c\u8fdb\u5236\u8868\u793a<\/td>Printf(“%b\u201d, 10)<\/td>1010<\/td><\/tr>
%c<\/td>\u76f8\u5e94 Unicode \u7801\u70b9\u6240\u8868\u793a\u7684\u5b57\u7b26<\/td>Printf(“%c\u201d, 0x4E2D)<\/td>\u4e2d<\/td><\/tr>
%d<\/td>\u5341\u8fdb\u5236\u8868\u793a<\/td>Printf(“%d\u201d, 10)<\/td>10<\/td><\/tr>
%o<\/td>\u516b\u8fdb\u5236\u8868\u793a<\/td>Printf(“%o\u201d, 10)<\/td>12<\/td><\/tr>
%q<\/td>\u5355\u5f15\u53f7\u56f4\u7ed5\u7684\u5b57\u7b26\u5b57\u9762\u503c\uff0c\u7531Go\u8bed\u6cd5\u5b89\u5168\u5730\u8f6c\u4e49<\/td>Printf(“%q\u201d, 0x4E2D)<\/td>\u2018\u4e2d\u2019<\/td><\/tr>
%x<\/td>\u5341\u516d\u8fdb\u5236\u8868\u793a\uff0c\u5b57\u6bcd\u5f62\u5f0f\u4e3a\u5c0f\u5199 a-f<\/td>Printf(“%x\u201d, 10)<\/td>a<\/td><\/tr>
%X<\/td>\u5341\u516d\u8fdb\u5236\u8868\u793a\uff0c\u5b57\u6bcd\u5f62\u5f0f\u4e3a\u5927\u5199 A-F<\/td>Printf(“%X\u201d, 10)<\/td>A<\/td><\/tr>
%U<\/td>Unicode\u683c\u5f0f\uff1aU+1234\uff0c\u7b49\u540c\u4e8e “U+%04X\u201d<\/td>Printf(“%U\u201d, 0x4E2D)<\/td>U+4E2D<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

4\u3001\u6d6e\u70b9\u6570\u548c\u590d\u6570\u7684\u7ec4\u6210\u90e8\u5206<\/strong><\/p>\n\n\n\n

\u5360\u4f4d\u7b26<\/td>\u8bf4\u660e<\/td>\u793a\u4f8b<\/td>\u7ed3\u679c<\/td><\/tr>
%e<\/td>\u79d1\u5b66\u8ba1\u6570\u6cd5<\/td>Printf(“%e\u201d, 10.5)<\/td>1.050000e+01<\/td><\/tr>
%E<\/td>\u79d1\u5b66\u8ba1\u6570\u6cd5<\/td>Printf(“%E\u201d, 10.5)<\/td>1.050000E+01<\/td><\/tr>
%f<\/td>\u6709\u5c0f\u6570\u70b9\u800c\u65e0\u6307\u6570<\/td>Printf(“%f\u201d, 10.5)<\/td>10.500000<\/td><\/tr>
%g<\/td>\u6839\u636e\u60c5\u51b5\u9009\u62e9 %e \u6216 %f \u4ee5\u4ea7\u751f\u66f4\u7d27\u51d1\u7684(\u65e0\u672b\u5c3e\u76840)<\/td>Printf(“%f\u201d, 10.50)<\/td>10.5<\/td><\/tr>
%G<\/td>\u6839\u636e\u60c5\u51b5\u9009\u62e9 %E \u6216 %f \u4ee5\u4ea7\u751f\u66f4\u7d27\u51d1\u7684(\u65e0\u672b\u5c3e\u76840)<\/td>Printf(“%f\u201d, 10.50)<\/td>10.5<\/td><\/tr>
%b<\/td>\u65e0\u5c0f\u6570\u90e8\u5206\u7684\uff0c\u6307\u6570\u4e3a\u4e8c\u7684\u5e42\u7684\u79d1\u5b66\u8ba1\u6570\u6cd5<\/td><\/td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u6ce8\u610f\uff1a\u4e00\u822c\u6bd4\u8f83\u5e38\u7528\u7684\u5c31\u662f%f<\/p>\n\n\n\n

(1)\u3001\u4e0b\u9762\u5c06\u6d6e\u70b9\u6570\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\u5e76\u8f93\u51fa\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

(2)\u3001\u4e0b\u9762\u4f8b\u5b50\u8868\u793a\u4fdd\u7559\u4e09\u4f4d\u5c0f\u6570\u6253\u5370\u8f93\u51fa\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u6ce8\u610f\uff1agolang\u7684\u6d6e\u70b9\u6570\u7cbe\u5ea6\u8ba1\u7b97\u65f6\u6309\u7167\u56db\u820d\u4e94\u5165\u7684\u89c4\u5219\u6765\u7684<\/p>\n\n\n\n

5\u3001\u5b57\u7b26\u4e32\u4e0e\u5b57\u8282\u5207\u7247<\/strong><\/p>\n\n\n\n

\u5360\u4f4d\u7b26<\/td>\u8bf4\u660e<\/td>\u793a\u4f8b<\/td>\u7ed3\u679c<\/td><\/tr>
%s<\/td>\u8f93\u51fa\u5b57\u7b26\u4e32\u8868\u793a(string\u7c7b\u578b\u6216[]byte)<\/td>Printf(“%s\u201d, []byte(“hello”))<\/td>hello<\/td><\/tr>
%q<\/td>\u53cc\u5f15\u53f7\u56f4\u7ed5\u7684\u5b57\u7b26\u4e32\uff0c\u7531Go\u8bed\u6cd5\u5b89\u5168\u5730\u8f6c\u4e49<\/td>Printf(“%q\u201d, “hello\u201d)<\/td>“hello”<\/td><\/tr>
%x<\/td>\u5341\u516d\u8fdb\u5236\uff0c\u5c0f\u5199\u5b57\u6bcd\uff0c\u6bcf\u5b57\u8282\u4e24\u4e2a\u5b57\u7b26<\/td>Printf(“%x\u201d, “hello\u201d)<\/td>68656c6c6f<\/td><\/tr>
%X<\/td>\u5341\u516d\u8fdb\u5236\uff0c\u5927\u5199\u5b57\u6bcd\uff0c\u6bcf\u5b57\u8282\u4e24\u4e2a\u5b57\u7b26<\/td>Printf(“%X\u201d, “hello\u201d)<\/td>68656C6C6F<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u4e0b\u9762\u4f8b\u5b50\u8868\u793a\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u4e0b\u9762\u4f8b\u5b50\u5728\u4e0a\u9762\u57fa\u7840\u4e0a\uff0c\u8bbe\u7f6e\u4e86\u683c\u5f0f\u5316\u5bbd\u5ea6\u4e3a20\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u8fd0\u884c\u7ed3\u679c\u4e2d\u95f4\u7a7a\u51fa\u4e8620\u4e2a\u5b57\u7b26\u7684\u957f\u5ea6\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

6\u3001\u6307\u9488<\/strong><\/p>\n\n\n\n

\u5360\u4f4d\u7b26<\/td>\u8bf4\u660e<\/td>\u793a\u4f8b<\/td>\u7ed3\u679c<\/td><\/tr>
%p<\/td>\u5341\u516d\u8fdb\u5236\u8868\u793a\uff0c\u524d\u7f00 0x<\/td>Printf(“%p\u201d, &hello)<\/td>0xc0000140b0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u4e0b\u9762\u4f8b\u5b50\u6253\u5370\u5207\u7247\u7684\u6307\u9488\u5730\u5740\uff0c\u5982\u679c\u4e0d\u4f7f\u7528%p\uff0c\u65e0\u6cd5\u770b\u5230\u6307\u9488\u5730\u5740\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u4ece\u6253\u5370\u7ed3\u679c\u53ef\u4ee5\u770b\u51fa\uff0c\u76f4\u63a5\u4f7f\u7528&\u6253\u5370\u7684\u4e0d\u662f\u5207\u7247\u7684\u5185\u5b58\u5730\u5740\uff0c\u8981\u4f7f\u7528%p\u624d\u53ef\u4ee5<\/p>\n\n\n\n

\u683c\u5f0f\u5316\u6307\u5b9a\u5bbd\u5ea6<\/mark><\/strong><\/p>\n\n\n\n

\u6ce8\u610f\uff1a\u6bcf\u4e2a\u683c\u5f0f\u5316\u5360\u4f4d\u7b26\u90fd\u53ef\u4ee5\u6307\u5b9a\u5bbd\u5ea6\u7684\uff0c\u6bd4\u5982%s\u3001%d\u3001%f\u7b49<\/p>\n\n\n\n

1\u3001\u4e0b\u9762\u4f8b\u5b50\u662f\u683c\u5f0f\u5316\u7684\u65f6\u5019\u6307\u5b9a\u5bbd\u5ea6\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
    \n
  • -10\uff1a\u8868\u793a\u6307\u5b9a\u683c\u5f0f\u5316\u7684\u5185\u5bb9\u5bbd\u5ea6\u4e3a10\u4e2a\u5b57\u7b26\uff0c\u4e0d\u8db3\u7528\u7a7a\u683c\u8865\u5168\uff0c\u5e76\u5de6\u5bf9\u9f50<\/li>\n\n\n\n
  • 20\uff1a\u6307\u5b9a\u5bbd\u5ea6\u4e3a20\uff0c\u4e0d\u8db3\u7528\u7a7a\u683c\u8865\u5168\uff0c\u53f3\u5bf9\u9f50<\/li>\n<\/ul>\n\n\n\n
    \"\"<\/figure>\n\n\n\n

    \u6ce8\uff1a\u5bbd\u5ea6\u662f\u5bf9\u5e94\u7684\u540e\u9762\u7684\u5185\u5bb9\u7684\uff0c\u6bd4\u5982-10\u5bf9\u5e94\u7684\u662fName\uff0c\u5b9e\u9645\u662f\u683c\u5f0f\u5316\u51fa10\u4e2a\u5b57\u7b26\uff0c\u7136\u540eName\u5360\u7528\u4e864\u4e2a\uff0c\u90a3\u4e48\u5269\u4f596\u4e2a\u4f7f\u7528\u7a7a\u683c\u8865\u5168\uff0c\u5e76\u4e14\u7a7a\u683c\u5728Name\u540e\u9762\uff0c\u56e0\u4e3a”-“\u8868\u793a\u5de6\u5bf9\u9f50\uff0c\u5982\u679c\u4e0d\u52a0”-“\uff0c\u90a3\u4e48\u8868\u793a\u53f3\u5bf9\u9f50,\u7a7a\u683c\u5728\u5de6Name\u5728\u53f3\u4fa7<\/p>\n\n\n\n

    2\u3001\u9664\u4e86\u6307\u5b9a\u5bbd\u5ea6\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u52a8\u6001\u5bbd\u5ea6\u7684\u65b9\u5f0f\uff0c\u4f7f\u7528\u661f\u53f7(*)\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n
    \"\"<\/figure>\n\n\n\n

    3\u3001\u5c06\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u7684\u7a7a\u683c\u4f7f\u7528”-“\u66ff\u6362\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n
      \n
    • -1\uff1a\u8868\u793a\u66ff\u6362\u6240\u6709<\/li>\n<\/ul>\n\n\n\n
      \"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

      \u683c\u5f0f\u5316\u7684\u8f93\u5165\u4e0e\u8f93\u51fa\uff0c\u90fd\u9700\u8981\u4f7f\u7528\u5230\u683c\u5f0f\u5316\u5360\u4f4d\u7b26\uff0cGo \u8bed\u8a00\u7684\u683c\u5f0f\u5316\u5360\u4f4d\u7b26\u5927\u6982\u53ef\u5206\u4e3a\u666e\u901a\u5360\u4f4d\u7b26\u3001 \u5e03\u5c14\u5360 […]<\/p>\n","protected":false},"author":3,"featured_media":10054,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[111,23],"tags":[],"class_list":["post-10048","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-go","category-rong"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"_links":{"self":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/10048","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/comments?post=10048"}],"version-history":[{"count":25,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/10048\/revisions"}],"predecessor-version":[{"id":16650,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/10048\/revisions\/16650"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media\/10054"}],"wp:attachment":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media?parent=10048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/categories?post=10048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/tags?post=10048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}