{"id":206866,"date":"2025-06-12T15:47:37","date_gmt":"2025-06-12T07:47:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206866\/"},"modified":"2025-06-12T15:47:37","modified_gmt":"2025-06-12T07:47:37","slug":"go-%e8%af%ad%e8%a8%80%e6%b5%ae%e7%82%b9%e6%95%b0%e8%bf%90%e7%ae%97%ef%bc%9a%e5%a6%82%e4%bd%95%e9%80%89%e6%8b%a9%e6%9c%80%e4%bd%b3%e5%ba%93%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206866\/","title":{"rendered":"Go \u8bed\u8a00\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1a\u5982\u4f55\u9009\u62e9\u6700\u4f73\u5e93\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\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1a\u5982\u4f55\u9009\u62e9\u6700\u4f73\u5e93\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\/20241126\/173261272467459274136d8.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u6d6e\u70b9\u6570\u8ba1\u7b97\u5fc5\u5907\uff1ago \u8bed\u8a00\u6d6e\u70b9\u6570\u8fd0\u7b97\u5e93\u63a8\u8350<\/strong>,\u5728 go \u8bed\u8a00\u4e2d\u8fdb\u884c\u6d6e\u70b9\u6570\u8fd0\u7b97\u65f6\uff0c\u7cbe\u5ea6\u548c\u6548\u7387\u81f3\u5173\u91cd\u8981\u3002\u4e3a\u4e86\u6ee1\u8db3\u8fd9\u4e9b\u9700\u6c42\uff0c\u793e\u533a\u5f00\u53d1\u4e86\u8bb8\u591a\u529f\u80fd\u5f3a\u5927\u7684\u5e93\u3002,<br \/>\n<strong>\u63a8\u8350\u5e93\uff1a<\/strong>,\u6211\u4eec\u5f3a\u70c8\u63a8\u8350\u4f7f\u7528<br \/>\n<strong>github.com\/shopspring\/decimal<\/strong> \u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u7cbe\u786e\u7684\u9ad8\u7cbe\u5ea6\u5341\u8fdb\u5236\u6d6e\u70b9\u6570\u8fd0\u7b97\u3002,<br \/>\n<strong>\u4f18\u52bf\uff1a<\/strong>,<br \/>\n<strong>\u4f7f\u7528\u793a\u4f8b\uff1a<\/strong>,<br \/>\n<strong>\u5176\u4ed6\u5e93\uff1a<\/strong>,\u9664\u4e86 decimal\uff0cgo \u8bed\u8a00\u8fd8\u6709\u5176\u4ed6\u6d6e\u70b9\u6570\u8ba1\u7b97\u5e93\uff0c\u4f8b\u5982\uff1a,\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGo \u8bed\u8a00\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1a\u5982\u4f55\u9009\u62e9\u6700\u4f73\u5e93\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01,gmp\uff1a\u57fa\u4e8e gnu \u591a\u91cd\u7cbe\u5ea6\u8fd0\u7b97\u5e93\uff0c\u63d0\u4f9b\u9ad8\u6027\u80fd\u548c\u9ad8\u7cbe\u5ea6\u7684\u8ba1\u7b97\u3002,math\/big\uff1a\u7528\u4e8e\u8fdb\u884c\u4efb\u610f\u7cbe\u5ea6\u7684\u6574\u6570\u548c\u6d6e\u70b9\u6570\u8fd0\u7b97\u3002,<br \/>\n<strong>\u6613\u7528\u6027\uff1a<\/strong>\u8bed\u6cd5\u7b80\u6d01\uff0c\u6613\u4e8e\u7406\u89e3\u548c\u4f7f\u7528\u3002,<br \/>\n<strong>\u9ad8\u7cbe\u5ea6\uff1a<\/strong>\u4f7f\u7528\u56fa\u5b9a\u5c0f\u6570\u4f4d\u6570\uff0c\u907f\u514d\u6d6e\u70b9\u6570\u7cbe\u5ea6\u635f\u5931\u3002,<br \/>\n<strong>\u5e7f\u6cdb\u652f\u6301\uff1a<\/strong>\u652f\u6301\u5404\u79cd\u8fd0\u7b97\uff0c\u5305\u62ec\u52a0\u3001\u51cf\u3001\u4e58\u3001\u9664\u3001\u5e73\u65b9\u6839\u7b49\u3002,\u6d6e\u70b9\u6570\u8ba1\u7b97\u5fc5\u5907\uff1ago \u8bed\u8a00\u6d6e\u70b9\u6570\u8fd0\u7b97\u5e93\u63a8\u8350,\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\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1a\u5982\u4f55\u9009\u62e9\u6700\u4f73\u5e93\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\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1a\u5982\u4f55\u9009\u62e9\u6700\u4f73\u5e93\uff1f<\/span><\/p>\n<h1>Go \u8bed\u8a00\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1a\u5982\u4f55\u9009\u62e9\u6700\u4f73\u5e93\uff1f<\/h1>\n<p><span>2024-11-26 17:19:00<\/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\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1a\u5982\u4f55\u9009\u62e9\u6700\u4f73\u5e93\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\/20241126\/173261272467459274136d8.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u6d6e\u70b9\u6570\u8ba1\u7b97\u5fc5\u5907\uff1ago \u8bed\u8a00\u6d6e\u70b9\u6570\u8fd0\u7b97\u5e93\u63a8\u8350<\/strong><\/p>\n<p>\u5728 go \u8bed\u8a00\u4e2d\u8fdb\u884c\u6d6e\u70b9\u6570\u8fd0\u7b97\u65f6\uff0c\u7cbe\u5ea6\u548c\u6548\u7387\u81f3\u5173\u91cd\u8981\u3002\u4e3a\u4e86\u6ee1\u8db3\u8fd9\u4e9b\u9700\u6c42\uff0c\u793e\u533a\u5f00\u53d1\u4e86\u8bb8\u591a\u529f\u80fd\u5f3a\u5927\u7684\u5e93\u3002<\/p>\n<p><strong>\u63a8\u8350\u5e93\uff1a<\/strong><\/p>\n<p>\u6211\u4eec\u5f3a\u70c8\u63a8\u8350\u4f7f\u7528 <strong>github.com\/shopspring\/decimal<\/strong> \u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u7cbe\u786e\u7684\u9ad8\u7cbe\u5ea6\u5341\u8fdb\u5236\u6d6e\u70b9\u6570\u8fd0\u7b97\u3002<\/p>\n<p><strong>\u4f18\u52bf\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u9ad8\u7cbe\u5ea6\uff1a<\/strong>\u4f7f\u7528\u56fa\u5b9a\u5c0f\u6570\u4f4d\u6570\uff0c\u907f\u514d\u6d6e\u70b9\u6570\u7cbe\u5ea6\u635f\u5931\u3002<\/li>\n<li><strong>\u6613\u7528\u6027\uff1a<\/strong>\u8bed\u6cd5\u7b80\u6d01\uff0c\u6613\u4e8e\u7406\u89e3\u548c\u4f7f\u7528\u3002<\/li>\n<li><strong>\u5e7f\u6cdb\u652f\u6301\uff1a<\/strong>\u652f\u6301\u5404\u79cd\u8fd0\u7b97\uff0c\u5305\u62ec\u52a0\u3001\u51cf\u3001\u4e58\u3001\u9664\u3001\u5e73\u65b9\u6839\u7b49\u3002<\/li>\n<li><strong>\u5185\u7f6e\u8f6c\u6362\uff1a<\/strong>\u53ef\u8f7b\u677e\u5c06\u5176\u4ed6\u7c7b\u578b\u6570\u636e\u8f6c\u6362\u4e3a\u5341\u8fdb\u5236\u6d6e\u70b9\u6570\u3002<\/li>\n<\/ul>\n<p><strong>\u4f7f\u7528\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>import \"github.com\/shopspring\/decimal\"\n\nfunc main() {\n    result := decimal.NewFromFloat(1.23).Add(decimal.NewFromFloat(4.56))\n    fmt.Println(result) \/\/ \u8f93\u51fa\uff1a5.79\n}<\/pre>\n<p><strong>\u5176\u4ed6\u5e93\uff1a<\/strong><\/p>\n<p>\u9664\u4e86 decimal\uff0cgo \u8bed\u8a00\u8fd8\u6709\u5176\u4ed6\u6d6e\u70b9\u6570\u8ba1\u7b97\u5e93\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>math\/big\uff1a\u7528\u4e8e\u8fdb\u884c\u4efb\u610f\u7cbe\u5ea6\u7684\u6574\u6570\u548c\u6d6e\u70b9\u6570\u8fd0\u7b97\u3002<\/li>\n<li>gmp\uff1a\u57fa\u4e8e gnu \u591a\u91cd\u7cbe\u5ea6\u8fd0\u7b97\u5e93\uff0c\u63d0\u4f9b\u9ad8\u6027\u80fd\u548c\u9ad8\u7cbe\u5ea6\u7684\u8ba1\u7b97\u3002<\/li>\n<\/ul>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGo \u8bed\u8a00\u6d6e\u70b9\u6570\u8fd0\u7b97\uff1a\u5982\u4f55\u9009\u62e9\u6700\u4f73\u5e93\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   Win11\u6b63\u5f0f\u7248\u7f51\u5361\u9a71\u52a8\u600e\u4e48\u66f4\u65b0 Win11\u6b63\u5f0f\u7248\u7f51\u5361\u9a71\u52a8\u66f4\u65b0\u64cd\u4f5c\u65b9\u6cd5\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u4f7f\u7528\u81ea\u5b9a\u4e49\u5143\u7d20\u65f6\u4e3a\u4ec0\u4e48 offsetWidth \u62a5\u9519\uff1f\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-206866","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206866","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=206866"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206866\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}