{"id":206804,"date":"2025-06-12T11:10:46","date_gmt":"2025-06-12T03:10:46","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206804\/"},"modified":"2025-06-12T11:10:46","modified_gmt":"2025-06-12T03:10:46","slug":"go-%e8%af%ad%e8%a8%80%e4%b8%ad%e5%a6%82%e4%bd%95%e8%bf%9b%e8%a1%8c%e9%ab%98%e7%b2%be%e5%ba%a6%e6%b5%ae%e7%82%b9%e6%95%b0%e8%bf%90%e7%ae%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206804\/","title":{"rendered":"Go \u8bed\u8a00\u4e2d\u5982\u4f55\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1f"},"content":{"rendered":"<p>\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\u300aGo \u8bed\u8a00\u4e2d\u5982\u4f55\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1f\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,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241124\/173241490567428db960725.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u6d6e\u70b9\u6570\u8fd0\u7b97\u7684 go \u8bed\u8a00\u5e93<\/strong>,\u5728 go \u8bed\u8a00\u4e2d\uff0c\u6d6e\u70b9\u6570\u8fd0\u7b97\u53ef\u80fd\u5b58\u5728\u7cbe\u5ea6\u95ee\u9898\u3002\u4e3a\u4e86\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u6709\u8bb8\u591a\u5e93\u53ef\u4ee5\u63d0\u4f9b\u66f4\u7cbe\u786e\u7684\u6d6e\u70b9\u6570\u8fd0\u7b97\u3002,<br \/>\n<strong>\u63a8\u8350\u5e93\uff1a<\/strong>,<br \/>\n<strong>github.com\/shopspring\/decimal<\/strong>,\u6b64\u5e93\u63d0\u4f9b\u4e86 decimal \u7c7b\u578b\uff0c\u7528\u4e8e\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u7684\u6d6e\u70b9\u6570\u8fd0\u7b97\u3002decimal \u7c7b\u578b\u652f\u6301\u65e0\u635f\u52a0\u51cf\u4e58\u9664\u8fd0\u7b97\uff0c\u5e76\u53ef\u914d\u7f6e\u7cbe\u5ea6\u3002,\u4ee5\u4e0b\u662f\u4f7f\u7528 decimal \u5e93\u8fdb\u884c\u6d6e\u70b9\u6570\u8fd0\u7b97\u7684\u793a\u4f8b\uff1a,\u901a\u8fc7\u4f7f\u7528 decimal \u5e93\uff0c\u60a8\u53ef\u4ee5\u8fdb\u884c\u7cbe\u786e\u7684\u6d6e\u70b9\u6570\u8fd0\u7b97\uff0c\u907f\u514d\u7cbe\u5ea6\u635f\u5931\u95ee\u9898\u3002,\u672c\u7bc7\u5173\u4e8e\u300aGo \u8bed\u8a00\u4e2d\u5982\u4f55\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01,\u6d6e\u70b9\u6570\u8fd0\u7b97\u7684 go \u8bed\u8a00\u5e93,\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\u300aGo \u8bed\u8a00\u4e2d\u5982\u4f55\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1f\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,<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 \u8bed\u8a00\u4e2d\u5982\u4f55\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1f<\/span><\/p>\n<h1>Go \u8bed\u8a00\u4e2d\u5982\u4f55\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1f<\/h1>\n<p><span>2024-11-24 10:22:01<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\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\u300aGo \u8bed\u8a00\u4e2d\u5982\u4f55\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1f\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<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241124\/173241490567428db960725.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u6d6e\u70b9\u6570\u8fd0\u7b97\u7684 go \u8bed\u8a00\u5e93<\/strong><\/p>\n<p>\u5728 go \u8bed\u8a00\u4e2d\uff0c\u6d6e\u70b9\u6570\u8fd0\u7b97\u53ef\u80fd\u5b58\u5728\u7cbe\u5ea6\u95ee\u9898\u3002\u4e3a\u4e86\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u6709\u8bb8\u591a\u5e93\u53ef\u4ee5\u63d0\u4f9b\u66f4\u7cbe\u786e\u7684\u6d6e\u70b9\u6570\u8fd0\u7b97\u3002<\/p>\n<p><strong>\u63a8\u8350\u5e93\uff1a<\/strong><\/p>\n<p><strong>github.com\/shopspring\/decimal<\/strong><\/p>\n<p>\u6b64\u5e93\u63d0\u4f9b\u4e86 decimal \u7c7b\u578b\uff0c\u7528\u4e8e\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u7684\u6d6e\u70b9\u6570\u8fd0\u7b97\u3002decimal \u7c7b\u578b\u652f\u6301\u65e0\u635f\u52a0\u51cf\u4e58\u9664\u8fd0\u7b97\uff0c\u5e76\u53ef\u914d\u7f6e\u7cbe\u5ea6\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 decimal \u5e93\u8fdb\u884c\u6d6e\u70b9\u6570\u8fd0\u7b97\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>import \"github.com\/shopspring\/decimal\"\n\nfunc main() {\n    \/\/ \u521b\u5efa\u4e24\u4e2a Decimal \u53d8\u91cf\n    a := decimal.NewFromFloat(1.234)\n    b := decimal.NewFromFloat(5.678)\n\n    \/\/ \u8fdb\u884c\u52a0\u6cd5\u8fd0\u7b97\n    sum := a.Add(b)\n    \/\/ \u8f93\u51fa\uff1a\"6.912\"\n\n    \/\/ \u8fdb\u884c\u51cf\u6cd5\u8fd0\u7b97\n    difference := a.Sub(b)\n    \/\/ \u8f93\u51fa\uff1a\"-4.444\"\n\n    \/\/ \u8fdb\u884c\u4e58\u6cd5\u8fd0\u7b97\n    product := a.Mul(b)\n    \/\/ \u8f93\u51fa\uff1a\"7.03992\"\n\n    \/\/ \u8fdb\u884c\u9664\u6cd5\u8fd0\u7b97\n    quotient := a.Div(b)\n    \/\/ \u8f93\u51fa\uff1a\"0.2175434936\"\n}<\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528 decimal \u5e93\uff0c\u60a8\u53ef\u4ee5\u8fdb\u884c\u7cbe\u786e\u7684\u6d6e\u70b9\u6570\u8fd0\u7b97\uff0c\u907f\u514d\u7cbe\u5ea6\u635f\u5931\u95ee\u9898\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aGo \u8bed\u8a00\u4e2d\u5982\u4f55\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5171\u4eab\u5145\u7535\u5b9d\u516c\u53f8\u6765\u7535\u79d1\u6280\u521b\u59cb\u4eba\u8881\u51b0\u677e\u88ab\u66dd\u4e0e\u5408\u4f5c\u4f19\u4f34\u540c\u65f6\u5931\u8054\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u7406\u60f3\u5ba3\u5e03\u589e\u7a0b\u8f66\u9500\u91cf\u7a81\u7834100\u4e07\u8f86\uff0c\u8fd9\u6b3e\u8f66\u578b\u5360\u6bd41\/4\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684&#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-206804","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206804","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=206804"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206804\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}