{"id":208070,"date":"2025-07-08T11:05:57","date_gmt":"2025-07-08T03:05:57","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208070\/"},"modified":"2025-07-08T11:05:57","modified_gmt":"2025-07-08T03:05:57","slug":"%e4%b8%8d%e5%b8%a6%e6%8b%ac%e5%8f%b7%e7%9a%84-golang-%e5%87%bd%e6%95%b0%e8%b0%83%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208070\/","title":{"rendered":"\u4e0d\u5e26\u62ec\u53f7\u7684 Golang \u51fd\u6570\u8c03\u7528"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u4e0d\u5e26\u62ec\u53f7\u7684 Golang \u51fd\u6570\u8c03\u7528<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-28 15:27:35<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662fGolang\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300a\u4e0d\u5e26\u62ec\u53f7\u7684 Golang \u51fd\u6570\u8c03\u7528\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

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

\u6211\u6b63\u5728\u4ed6\u4eec\u7f51\u7ad9\u4e0a\u6d4f\u89c8 golang \u6559\u7a0b\uff0c\u5e76\u5bf9\u6211\u5728\u6b64\u5904\u7b80\u5316\u548c\u590d\u5236\u7684\u7c7b\u4f3c\u4ee3\u7801\u611f\u5230\u56f0\u60d1\uff1a<\/p>\n

package main\n\nimport (\n    \"fmt\"\n    \"math\"\n)\n\nfunc main() {\n    a := math.Sqrt2\n    fmt.Println(a)\n}<\/pre>\n
\u8fd9\u4f1a\u5728\u6c99\u7bb1\u4e2d\u6253\u5370 1.4142135623730951<\/code>\u3002\u5c06 a := math.sqrt2<\/code> \u66ff\u6362\u4e3a a := math.sqrt(2)<\/code> \u4f1a\u505a\u540c\u6837\u7684\u4e8b\u60c5\uff0c\u4f46\u6211\u5f88\u56f0\u60d1\u5982\u4f55\u5728\u6ca1\u6709\u62ec\u53f7\u7684\u60c5\u51b5\u4e0b\u8c03\u7528\u8be5\u51fd\u6570\u3002 math.sqrt<\/code> \u8fd9\u91cc\u4e0d\u662f\u51fd\u6570\u6307\u9488\uff08\u65e0\u8bba\u5982\u4f55\uff0c\u6ca1\u6709 math.sqrt2<\/code> \u51fd\u6570\uff0c\u5b83\u662f\u4e00\u4e2a\u4e0d\u5e26\u4efb\u4f55\u62ec\u53f7\u4f20\u9012\u7684\u51fd\u6570\u3002\u8fd9\u91cc\u7684 go \u6587\u6863\u4e2d\u7684\u51fd\u6570\u5217\u51fa\u4e3a\uff1a func sqrt(x float64) float64<\/code> \u5373\u5e26\u6709\u53c2\u6570.\u90a3\u4e48\u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f\u4ec5\u4ec5\u56e0\u4e3a math.sqrt()<\/code> \u662f\u4e00\u4e2a\u7b80\u5355\u7684\u51fd\u6570\uff0cgo \u5c31\u53ef\u4ee5\u5047\u8bbe\u5b83\u662f\u4e00\u4e2a float64<\/code> \u800c\u4e0d\u4f20\u9012\u62ec\u53f7\uff1f\u6211\u9519\u8fc7\u4e86\u4ec0\u4e48\u5417\uff1f<\/p>\n
\u5982\u679c\u6709\u5e2e\u52a9\u7684\u8bdd\uff0c\u6211\u6700\u521d\u5728\u7b2c 14 \u884c\u7684\u6559\u7a0b\u4e2d\u53d1\u73b0\u4e86\u8fd9\u79cd\u73b0\u8c61\u3002\u5982\u679c\u6709\u4eba\u53ef\u4ee5\u5411\u6211\u89e3\u91ca\u8fd9\u4e2a\u529f\u80fd\uff0c\u90a3\u5c31\u592a\u68d2\u4e86\u3002\u6211\u5f88\u60f3\u4e86\u89e3\u4e00\u4e0b\u3002 <\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u8fd9\u91cc\u6ca1\u6709\u4ec0\u4e48\u7279\u522b\u7684\u4e8b\u60c5\u53d1\u751f\u3002 math.Sqrt2<\/code> \u662f\u4e00\u4e2a\u5e38\u91cf\u3002\u5176\u4ed6\u5e38\u91cf\u53ef\u4ee5\u5728\u7684math<\/code>\u5305\u4e2d\u627e\u5230\u3002<\/p>\n
\u603b\u7684\u6765\u8bf4\uff0cGo \u5e76\u6ca1\u6709\u4ec0\u4e48\u201c\u9b54\u529b\u201d\u3002\u56e0\u6b64\uff0c\u5982\u679c\u67d0\u4ef6\u4e8b\u611f\u89c9\u6709\u70b9\u795e\u5947\uff0c\u90a3\u5f88\u53ef\u80fd\u53ea\u662f\u4e00\u4e2a\u8bef\u4f1a\u3002<\/p>\n
\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u4e0d\u5e26\u62ec\u53f7\u7684 Golang \u51fd\u6570\u8c03\u7528\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/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-208070","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208070","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=208070"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208070\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208070"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208070"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208070"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}