{"id":1900,"date":"2021-08-03T11:00:29","date_gmt":"2021-08-03T03:00:29","guid":{"rendered":"https:\/\/egonlin.com\/?p=1900"},"modified":"2023-01-28T14:50:07","modified_gmt":"2023-01-28T06:50:07","slug":"%e6%a0%bc%e5%bc%8f%e5%8c%96%e8%be%93%e5%85%a5%e8%be%93%e5%87%ba","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=1900","title":{"rendered":"09 \u683c\u5f0f\u5316\u8f93\u5165\u8f93\u51fa"},"content":{"rendered":"

\u683c\u5f0f\u5316\u8f93\u5165\u8f93\u51fa<\/h1>\n

fmt\u5305\u5b9e\u73b0\u4e86\u7c7b\u4f3cC\u8bed\u8a00printf\u548cscanf\u7684\u683c\u5f0f\u5316I\/O\uff0c\u5bf9\u5e94\u51fd\u6570\u4e3a\uff1aPrintf\u548cScanf\u3002<\/p>\n

\u8be6\u89c1\uff1ahttps:\/\/golang.google.cn\/pkg\/fmt\/<\/a><\/p>\n

\u4e00 \u8f93\u51fa<\/h2>\n

1.1 \u666e\u901a\u5360\u4f4d\u7b26<\/h3>\n
\u5360\u4f4d\u7b26     \u8bf4\u660e                           \u4e3e\u4f8b                   \u8f93\u51fa\n%v        \u76f8\u5e94\u503c\u7684\u9ed8\u8ba4\u683c\u5f0f\u3002             Printf("%v", people)   {egon}\uff0c\n%+v       \u6253\u5370\u7ed3\u6784\u4f53\u65f6\uff0c\u4f1a\u6dfb\u52a0\u5b57\u6bb5\u540d      Printf("%+v", people)  {Name:egon}\n%#v       \u76f8\u5e94\u503c\u7684Go\u8bed\u6cd5\u8868\u793a            Printf("#v", people)   main.Human{Name:"egon"}\n%T        \u76f8\u5e94\u503c\u7684\u7c7b\u578b\u7684Go\u8bed\u6cd5\u8868\u793a       Printf("%T", people)   main.Human\n%%        \u5b57\u9762\u4e0a\u7684\u767e\u5206\u53f7\uff0c\u5e76\u975e\u503c\u7684\u5360\u4f4d\u7b26   Printf("%%")            %<\/code><\/pre>\n
\u793a\u4f8b<\/p>\n
package main\n\nimport "fmt"\n\nfunc main()  {\n    var x interface{} = struct {\n        name string\n        age  int\n    }{"egon", 18}\n    fmt.Printf("%v\\n",x)\n    fmt.Printf("%+v\\n",x)\n    fmt.Printf("%#v\\n",x)\n    fmt.Printf("%T\\n",x)\n    fmt.Printf("%v%%\\n",100)\n}<\/code><\/pre>\n
\u8f93\u51fa<\/p>\n
{egon 18}\n{name:egon age:18}\nstruct { name string; age int }{name:"egon", age:18}\nstruct { name string; age int }\n100%<\/code><\/pre>\n
1.2 \u5e03\u5c14\u5360\u4f4d\u7b26<\/h3>\n
\u5360\u4f4d\u7b26       \u8bf4\u660e                \u4e3e\u4f8b                     \u8f93\u51fa\n%t          true \u6216 false       Printf("%t", true)      true<\/code><\/pre>\n
1.3 \u6574\u6570\u5360\u4f4d\u7b26<\/h3>\n
\u5360\u4f4d\u7b26     \u8bf4\u660e                                  \u4e3e\u4f8b                       \u8f93\u51fa\n%d      \u5341\u8fdb\u5236\u8868\u793a                             Printf("%d", 0x12)          18\n%b      \u4e8c\u8fdb\u5236\u8868\u793a                             Printf("%b", 5)             101\n%o      \u516b\u8fdb\u5236\u8868\u793a                             Printf("%d", 10)            12\n%x      \u5341\u516d\u8fdb\u5236\u8868\u793a\uff0c\u5b57\u6bcd\u5f62\u5f0f\u4e3a\u5c0f\u5199 a-f         Printf("%x", 13)             d\n%X      \u5341\u516d\u8fdb\u5236\u8868\u793a\uff0c\u5b57\u6bcd\u5f62\u5f0f\u4e3a\u5927\u5199 A-F         Printf("%x", 13)             D\n\n%c      \u76f8\u5e94Unicode\u7801\u70b9\u6240\u8868\u793a\u7684\u5b57\u7b26              Printf("%c", 0x4E2D)        \u4e2d\n%q      \u5355\u5f15\u53f7\u62ec\u8d77\u6765\u7684\u5b57\u7b26\u5b57\u9762\u503c\uff0c\u7531Go\u8bed\u6cd5\u5b89\u5168\u5730\u8f6c\u4e49 Printf("%q", 0x4E2D)       '\u4e2d'\n%U      Unicode\u683c\u5f0f\uff1aU+1234\uff0c\u7b49\u540c\u4e8e "U+%04X"     Printf("%U", 0x4E2D)       U+4E2D<\/code><\/pre>\n
\u793a\u4f8b<\/p>
<\/div>
\u67e5\u770b\u66f4\u591a<\/h2>
\u8054\u7cfb\u7ba1\u7406\u5458\u5fae\u4fe1tutu19192010\uff0c\u6ce8\u518c\u8d26\u53f7<\/p>\n<\/div>
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\u683c\u5f0f\u5316\u8f93\u5165\u8f93\u51fa fmt\u5305\u5b9e\u73b0\u4e86\u7c7b\u4f3cC\u8bed\u8a00printf\u548cscanf\u7684\u683c\u5f0f\u5316I\/O\uff0c\u5bf9\u5e94\u51fd\u6570\u4e3a\uff1aPrintf\u548cSc […]<\/p>\n","protected":false},"author":3,"featured_media":2529,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,445],"tags":[260,261,263,262],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1900"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1900"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1900\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/2529"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1900"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1900"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}