{"id":206422,"date":"2025-06-12T11:23:33","date_gmt":"2025-06-12T03:23:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206422\/"},"modified":"2025-06-12T11:23:33","modified_gmt":"2025-06-12T03:23:33","slug":"go-%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e6%b5%ae%e7%82%b9%e6%95%b0%e8%bf%9b%e8%a1%8c%e7%b2%be%e7%a1%ae%e8%ae%a1%e7%ae%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206422\/","title":{"rendered":"Go \u4e2d\u5982\u4f55\u4f7f\u7528\u6d6e\u70b9\u6570\u8fdb\u884c\u7cbe\u786e\u8ba1\u7b97\uff1f"},"content":{"rendered":"<p><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u4e2d\u5982\u4f55\u4f7f\u7528\u6d6e\u70b9\u6570\u8fdb\u884c\u7cbe\u786e\u8ba1\u7b97\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<br \/>\n<br \/>,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241111\/17313253716731edbba0e5b.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u5982\u4f55\u5728 go \u4e2d\u4f7f\u7528\u6d6e\u70b9\u6570\u8fdb\u884c\u8ba1\u7b97\uff1f<\/strong>,\u5728 go \u4e2d\u5904\u7406\u6d6e\u70b9\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5e93\uff1a,<br \/>\n<strong>github.com\/shopspring\/decimal<\/strong>,\u6b64\u5305\u63d0\u4f9b\u4e86\u7cbe\u786e\u7684\u6d6e\u70b9\u6570\u8ba1\u7b97\u529f\u80fd\uff0c\u975e\u5e38\u9002\u5408\u9700\u8981\u9ad8\u7cbe\u5ea6\u64cd\u4f5c\u7684\u573a\u666f\u3002\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u6b64\u5305\u8fdb\u884c\u6d6e\u70b9\u6570\u52a0\u51cf\u4e58\u9664\uff1a,\u8f93\u51fa\uff1a,\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8eGOLANG\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~,\u5982\u4f55\u5728 go \u4e2d\u4f7f\u7528\u6d6e\u70b9\u6570\u8fdb\u884c\u8ba1\u7b97\uff1f,<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u4e2d\u5982\u4f55\u4f7f\u7528\u6d6e\u70b9\u6570\u8fdb\u884c\u7cbe\u786e\u8ba1\u7b97\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<br \/>\n<br \/>,<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 \u4e2d\u5982\u4f55\u4f7f\u7528\u6d6e\u70b9\u6570\u8fdb\u884c\u7cbe\u786e\u8ba1\u7b97\uff1f<\/span><\/p>\n<h1>Go \u4e2d\u5982\u4f55\u4f7f\u7528\u6d6e\u70b9\u6570\u8fdb\u884c\u7cbe\u786e\u8ba1\u7b97\uff1f<\/h1>\n<p><span>2024-11-11 19:43:07<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u4e2d\u5982\u4f55\u4f7f\u7528\u6d6e\u70b9\u6570\u8fdb\u884c\u7cbe\u786e\u8ba1\u7b97\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241111\/17313253716731edbba0e5b.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u5728 go \u4e2d\u4f7f\u7528\u6d6e\u70b9\u6570\u8fdb\u884c\u8ba1\u7b97\uff1f<\/strong><\/p>\n<p>\u5728 go \u4e2d\u5904\u7406\u6d6e\u70b9\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5e93\uff1a<\/p>\n<p><strong>github.com\/shopspring\/decimal<\/strong><\/p>\n<p>\u6b64\u5305\u63d0\u4f9b\u4e86\u7cbe\u786e\u7684\u6d6e\u70b9\u6570\u8ba1\u7b97\u529f\u80fd\uff0c\u975e\u5e38\u9002\u5408\u9700\u8981\u9ad8\u7cbe\u5ea6\u64cd\u4f5c\u7684\u573a\u666f\u3002\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u6b64\u5305\u8fdb\u884c\u6d6e\u70b9\u6570\u52a0\u51cf\u4e58\u9664\uff1a<\/p>\n<pre>package main\n\nimport (\n    \"context\"\n    \"fmt\"\n\n    \"github.com\/shopspring\/decimal\"\n)\n\nfunc main() {\n    a := decimal.newfromfloat(1.23)\n    b := decimal.newfromfloat(4.56)\n\n    \/\/ \u52a0\u6cd5\n    sum := a.add(b)\n    fmt.println(\"\u52a0\u6cd5\u7ed3\u679c\uff1a\", sum)\n\n    \/\/ \u51cf\u6cd5\n    difference := a.sub(b)\n    fmt.println(\"\u51cf\u6cd5\u7ed3\u679c\uff1a\", difference)\n\n    \/\/ \u4e58\u6cd5\n    product := a.mul(b)\n    fmt.println(\"\u4e58\u6cd5\u7ed3\u679c\uff1a\", product)\n\n    \/\/ \u9664\u6cd5\n    quotient, _ := a.div(b)\n    fmt.println(\"\u9664\u6cd5\u7ed3\u679c\uff1a\", quotient)\n}<\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>\u52a0\u6cd5\u7ed3\u679c\uff1a 5.79\n\u51cf\u6cd5\u7ed3\u679c\uff1a -3.33\n\u4e58\u6cd5\u7ed3\u679c\uff1a 5.6148\n\u9664\u6cd5\u7ed3\u679c\uff1a 0.27<\/pre>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8eGOLANG\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u9009\u62e9\u5408\u9002\u7684\u7535\u8111\u8033\u673a\u9a71\u52a8\uff1f\u7406\u89e3\u7535\u8111\u8033\u673a\u9a71\u52a8\u5668\u7684\u91cd\u8981\u6027\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u5b9e\u73b0\u4e09\u89d2\u5f62\u8fdb\u5ea6\u6761\u7684\u52a8\u6001\u6e10\u53d8\u548c\u7bad\u5934\u5b9a\u4f4d\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>GOLANG\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f&#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-206422","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206422","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=206422"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206422\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}