{"id":206645,"date":"2025-06-12T13:44:57","date_gmt":"2025-06-12T05:44:57","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206645\/"},"modified":"2025-06-12T13:44:57","modified_gmt":"2025-06-12T05:44:57","slug":"go-%e6%8c%87%e9%92%88%e4%bc%a0%e9%80%92%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88-modifyreference-%e6%97%a0%e6%b3%95%e4%bf%ae%e6%94%b9%e5%8e%9f%e5%a7%8b%e5%80%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206645\/","title":{"rendered":"Go \u6307\u9488\u4f20\u9012\uff1a\u4e3a\u4ec0\u4e48 `modifyReference` \u65e0\u6cd5\u4fee\u6539\u539f\u59cb\u503c\uff1f"},"content":{"rendered":"<p>GOLANG\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aGo \u6307\u9488\u4f20\u9012\uff1a\u4e3a\u4ec0\u4e48 `modifyReference` \u65e0\u6cd5\u4fee\u6539\u539f\u59cb\u503c\uff1f\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01,<br \/>\n<br \/>,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241118\/1731895778673aa1e2b7f97.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u4e00\u4e2a\u56f0\u60d1\u7684 go \u6307\u9488\u95ee\u9898<\/strong>,\u5bf9\u4e8e go \u4e2d\u7684\u6307\u9488\uff0c\u5b58\u5728\u4e00\u4e9b\u4f7f\u4eba\u56f0\u60d1\u7684\u7528\u4f8b\u3002,\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\uff1a,\u5728\u4ee5\u4e0a\u4ee3\u7801\u4e2d\uff0cmodifypointer \u548c modifyreference \u90fd\u4f20\u9012\u4e86\u6307\u9488\uff0c\u4f46\u53ea\u6709 modifypointer \u80fd\u591f\u6210\u529f\u5730\u4fee\u6539\u539f\u59cb\u503c\u3002,<br \/>\n<strong>\u95ee\u9898\uff1a\u8fd9\u4e9b\u51fd\u6570\u7684\u5de5\u4f5c\u539f\u7406\u6709\u4ec0\u4e48\u4e0d\u540c\uff1f\u4e3a\u4ec0\u4e48 modifyreference \u4e0d\u4f1a\u66f4\u6539\u539f\u59cb\u503c\uff1f<\/strong>,<br \/>\n<strong>\u7406\u89e3\u503c\u4f20\u9012<\/strong>,\u7406\u89e3\u8fd9\u4e2a\u95ee\u9898\u7684\u5173\u952e\u5728\u4e8e\u4e86\u89e3 go \u4e2d\u7684\u503c\u4f20\u9012\u6982\u5ff5\u3002\u5373\u4f7f\u4f20\u9012\u4e86\u6307\u9488\uff0c\u51fd\u6570\u53c2\u6570\u4ecd\u7136\u662f\u503c\u7684\u526f\u672c\u3002\u8fd9\u610f\u5473\u7740\u5bf9\u4f20\u9012\u7684\u6307\u9488\u6240\u505a\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u503c\u3002,<br \/>\n<strong>modifypointer<\/strong>,\u5728 modifypointer \u4e2d\uff0c\u5bf9\u4f20\u9012\u7684\u6307\u9488 point \u8fdb\u884c\u4e86\u4fee\u6539\uff0c\u4fee\u6539\u7684\u662f\u6307\u5411\u539f\u6570\u636e\u7684\u6307\u9488\u4f4d\u7f6e\u3002\u56e0\u6b64\uff0c\u5bf9 point.x \u548c point.y \u7684\u4fee\u6539\u5b9e\u9645\u4e0a\u662f\u4fee\u6539\u4e86\u539f\u59cb\u503c\u3002,<br \/>\n<strong>modifyreference<\/strong>,\u53e6\u4e00\u65b9\u9762\uff0c\u5728 modifyreference \u4e2d\uff0c\u5bf9\u4f20\u9012\u7684\u6307\u9488 point \u91cd\u65b0\u8d4b\u503c\uff0c\u6307\u5411\u4e86\u4e00\u4e2a\u65b0\u7684 point \u503c\u3002\u8fd9\u610f\u5473\u7740\u539f\u59cb\u503c\u6ca1\u6709\u88ab\u4fee\u6539\uff0c\u56e0\u4e3a point \u672c\u8eab\u6307\u7684\u662f\u4e00\u4e2a\u4e0d\u540c\u7684\u5185\u5b58\u4f4d\u7f6e\u3002,\u8981\u4f7f modifyreference \u5b9e\u73b0\u4e0e modifypointer \u76f8\u540c\u7684\u7ed3\u679c\uff0c\u9700\u8981\u663e\u5f0f\u5730\u89e3\u5f15\u7528\u4f20\u9012\u7684\u6307\u9488\u5e76\u4fee\u6539\u539f\u59cb\u503c\uff0c\u5982\u4e0b\u6240\u793a\uff1a,\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301GOLANG\uff01\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u3002,GOLANG\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aGo \u6307\u9488\u4f20\u9012\uff1a\u4e3a\u4ec0\u4e48 `modifyReference` \u65e0\u6cd5\u4fee\u6539\u539f\u59cb\u503c\uff1f\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\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 \u6307\u9488\u4f20\u9012\uff1a\u4e3a\u4ec0\u4e48 `modifyReference` \u65e0\u6cd5\u4fee\u6539\u539f\u59cb\u503c\uff1f<\/span><\/p>\n<h1>Go \u6307\u9488\u4f20\u9012\uff1a\u4e3a\u4ec0\u4e48 `modifyReference` \u65e0\u6cd5\u4fee\u6539\u539f\u59cb\u503c\uff1f<\/h1>\n<p><span>2024-11-18 10:09:54<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>GOLANG\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aGo \u6307\u9488\u4f20\u9012\uff1a\u4e3a\u4ec0\u4e48 `modifyReference` \u65e0\u6cd5\u4fee\u6539\u539f\u59cb\u503c\uff1f\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241118\/1731895778673aa1e2b7f97.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u4e00\u4e2a\u56f0\u60d1\u7684 go \u6307\u9488\u95ee\u9898<\/strong><\/p>\n<p>\u5bf9\u4e8e go \u4e2d\u7684\u6307\u9488\uff0c\u5b58\u5728\u4e00\u4e9b\u4f7f\u4eba\u56f0\u60d1\u7684\u7528\u4f8b\u3002<\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>package main\n\ntype point struct {\n    x int\n    y int\n}\n\nfunc (p point) string() string {\n    return fmt.sprintf(\"(%d, %d)\", p.x, p.y)\n}\n\nfunc modifypointer(point *point) {\n    point.x = 5\n    point.y = 5\n}\n\nfunc modifyreference(point *point) {\n    point = &amp;point{5, 5}\n}\n\nfunc main() {\n    p := point{0, 0}\n    fmt.println(p) \/\/ prints (0, 0)\n\n    modifypointer(&amp;p)\n    fmt.println(p) \/\/ prints (5, 5)\n\n    p = point{0, 0}\n    modifyreference(&amp;p)\n    fmt.println(p) \/\/ prints (0, 0) \u56f0\u60d1\u5728\u8fd9\u91cc\uff0c\u6211\u671f\u5f85\u7684\u662f(5, 5)\n}<\/pre>\n<p>\u5728\u4ee5\u4e0a\u4ee3\u7801\u4e2d\uff0cmodifypointer \u548c modifyreference \u90fd\u4f20\u9012\u4e86\u6307\u9488\uff0c\u4f46\u53ea\u6709 modifypointer \u80fd\u591f\u6210\u529f\u5730\u4fee\u6539\u539f\u59cb\u503c\u3002<\/p>\n<p><strong>\u95ee\u9898\uff1a\u8fd9\u4e9b\u51fd\u6570\u7684\u5de5\u4f5c\u539f\u7406\u6709\u4ec0\u4e48\u4e0d\u540c\uff1f\u4e3a\u4ec0\u4e48 modifyreference \u4e0d\u4f1a\u66f4\u6539\u539f\u59cb\u503c\uff1f<\/strong><\/p>\n<p><strong>\u7406\u89e3\u503c\u4f20\u9012<\/strong><\/p>\n<p>\u7406\u89e3\u8fd9\u4e2a\u95ee\u9898\u7684\u5173\u952e\u5728\u4e8e\u4e86\u89e3 go \u4e2d\u7684\u503c\u4f20\u9012\u6982\u5ff5\u3002\u5373\u4f7f\u4f20\u9012\u4e86\u6307\u9488\uff0c\u51fd\u6570\u53c2\u6570\u4ecd\u7136\u662f\u503c\u7684\u526f\u672c\u3002\u8fd9\u610f\u5473\u7740\u5bf9\u4f20\u9012\u7684\u6307\u9488\u6240\u505a\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u503c\u3002<\/p>\n<p><strong>modifypointer<\/strong><\/p>\n<p>\u5728 modifypointer \u4e2d\uff0c\u5bf9\u4f20\u9012\u7684\u6307\u9488 point \u8fdb\u884c\u4e86\u4fee\u6539\uff0c\u4fee\u6539\u7684\u662f\u6307\u5411\u539f\u6570\u636e\u7684\u6307\u9488\u4f4d\u7f6e\u3002\u56e0\u6b64\uff0c\u5bf9 point.x \u548c point.y \u7684\u4fee\u6539\u5b9e\u9645\u4e0a\u662f\u4fee\u6539\u4e86\u539f\u59cb\u503c\u3002<\/p>\n<p><strong>modifyreference<\/strong><\/p>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u5728 modifyreference \u4e2d\uff0c\u5bf9\u4f20\u9012\u7684\u6307\u9488 point \u91cd\u65b0\u8d4b\u503c\uff0c\u6307\u5411\u4e86\u4e00\u4e2a\u65b0\u7684 point \u503c\u3002\u8fd9\u610f\u5473\u7740\u539f\u59cb\u503c\u6ca1\u6709\u88ab\u4fee\u6539\uff0c\u56e0\u4e3a point \u672c\u8eab\u6307\u7684\u662f\u4e00\u4e2a\u4e0d\u540c\u7684\u5185\u5b58\u4f4d\u7f6e\u3002<\/p>\n<p>\u8981\u4f7f modifyreference \u5b9e\u73b0\u4e0e modifypointer \u76f8\u540c\u7684\u7ed3\u679c\uff0c\u9700\u8981\u663e\u5f0f\u5730\u89e3\u5f15\u7528\u4f20\u9012\u7684\u6307\u9488\u5e76\u4fee\u6539\u539f\u59cb\u503c\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>func modifyReference(point *Point) {\n    *point = Point{5, 5}\n}<\/pre>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301GOLANG\uff01\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u7528 HTML \u548c CSS \u5b9e\u73b0\u4e00\u4e2a\u53ef\u5c55\u5f00\u6210\u516d\u7b49\u5206\u7684\u5706\u5f62\u83dc\u5355\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u4f73\u80fd2520i\u600e\u4e48\u8fde\u63a5\u7535\u8111\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>GOLANG\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66&#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-206645","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206645","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=206645"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206645\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}