{"id":57684,"date":"2024-10-10T20:18:33","date_gmt":"2024-10-10T12:18:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/57684\/"},"modified":"2024-10-10T20:18:33","modified_gmt":"2024-10-10T12:18:33","slug":"go%e6%95%99%e7%a8%8b-go-%e8%aa%9e%e8%a8%80%e6%8c%87%e9%87%9d%e8%a9%b3%e8%a7%a3%ef%bc%8c%e7%9c%8b%e9%80%99%e4%b8%80%e7%af%87%e6%96%87%e7%ab%a0%e5%b0%b1%e5%a4%a0%e4%ba%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/57684\/","title":{"rendered":"GO\u6559\u7a0b: Go \u8a9e\u8a00\u6307\u91dd\u8a73\u89e3\uff0c\u770b\u9019\u4e00\u7bc7\u6587\u7ae0\u5c31\u5920\u4e86"},"content":{"rendered":"<h1 id=\"go%e6%95%99%e7%a8%8b-go-%e8%aa%9e%e8%a8%80%e6%8c%87%e9%87%9d%e8%a9%b3%e8%a7%a3%ef%bc%8c%e7%9c%8b%e9%80%99%e4%b8%80%e7%af%87%e6%96%87%e7%ab%a0%e5%b0%b1%e5%a4%a0%e4%ba%86-UGZAYfoyLe\">GO\u6559\u7a0b: Go \u8a9e\u8a00\u6307\u91dd\u8a73\u89e3\uff0c\u770b\u9019\u4e00\u7bc7\u6587\u7ae0\u5c31\u5920\u4e86<\/h1>\n<p>Go \u8a9e\u8a00\uff0c\u4f5c\u70ba\u4e00\u7a2e\u975c\u614b\u985e\u578b\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u56e0\u5176\u7c21\u6f54\u6027\u548c\u9ad8\u6548\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u6b61\u8fce\u3002\u5728 Go \u8a9e\u8a00\u4e2d\uff0c\u6307\u91dd\u662f\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u7406\u89e3\u6307\u91dd\u7684\u4f7f\u7528\u5c0d\u65bc\u7de8\u5beb\u9ad8\u6548\u7684 Go \u7a0b\u5f0f\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Go \u8a9e\u8a00\u4e2d\u7684\u6307\u91dd\uff0c\u5305\u62ec\u5176\u5b9a\u7fa9\u3001\u4f7f\u7528\u65b9\u6cd5\u4ee5\u53ca\u5e38\u898b\u7684\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%8c%87%e9%87%9d%ef%bc%9f-UGZAYfoyLe\">\u4ec0\u9ebc\u662f\u6307\u91dd\uff1f<\/h2>\n<p>\u6307\u91dd\u662f\u4e00\u7a2e\u8b8a\u91cf\uff0c\u5176\u503c\u70ba\u53e6\u4e00\u500b\u8b8a\u91cf\u7684\u5730\u5740\u3002\u9019\u610f\u5473\u8457\u6307\u91dd\u53ef\u4ee5\u7528\u4f86\u76f4\u63a5\u8a2a\u554f\u548c\u64cd\u4f5c\u5167\u5b58\u4e2d\u7684\u6578\u64da\u3002\u5728 Go \u8a9e\u8a00\u4e2d\uff0c\u6307\u91dd\u7684\u985e\u578b\u662f\u7531\u5176\u6307\u5411\u7684\u8b8a\u91cf\u985e\u578b\u6c7a\u5b9a\u7684\u3002\u4f8b\u5982\uff0c<code>*int<\/code> \u8868\u793a\u6307\u5411\u6574\u6578\u985e\u578b\u7684\u6307\u91dd\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%81%b2%e6%98%8e%e5%92%8c%e4%bd%bf%e7%94%a8%e6%8c%87%e9%87%9d-UGZAYfoyLe\">\u5982\u4f55\u8072\u660e\u548c\u4f7f\u7528\u6307\u91dd<\/h2>\n<p>\u5728 Go \u8a9e\u8a00\u4e2d\uff0c\u8072\u660e\u6307\u91dd\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>var ptr *int<\/code><\/pre>\n<p>\u9019\u88e1\uff0c<code>ptr<\/code> \u662f\u4e00\u500b\u6307\u5411\u6574\u6578\u7684\u6307\u91dd\uff0c\u4f46\u5c1a\u672a\u6307\u5411\u4efb\u4f55\u6709\u6548\u7684\u5167\u5b58\u5730\u5740\u3002\u8981\u4f7f\u6307\u91dd\u6307\u5411\u4e00\u500b\u8b8a\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u53d6\u5730\u5740\u904b\u7b97\u7b26 <code>&amp;<\/code>\uff1a<\/p>\n<pre><code>var a int = 10\nptr = &amp;a<\/code><\/pre>\n<p>\u73fe\u5728\uff0c<code>ptr<\/code> \u6307\u5411\u8b8a\u91cf <code>a<\/code> \u7684\u5730\u5740\u3002\u8981\u901a\u904e\u6307\u91dd\u8a2a\u554f\u6216\u4fee\u6539\u8b8a\u91cf\u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u89e3\u5f15\u7528\u904b\u7b97\u7b26 <code>*<\/code>\uff1a<\/p>\n<pre><code>fmt.Println(*ptr) \/\/ \u8f38\u51fa: 10\n*ptr = 20\nfmt.Println(a) \/\/ \u8f38\u51fa: 20<\/code><\/pre>\n<h2 id=\"%e6%8c%87%e9%87%9d%e7%9a%84%e5%84%aa%e5%8b%a2-UGZAYfoyLe\">\u6307\u91dd\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u7bc0\u7701\u5167\u5b58\uff1a<\/strong>\u4f7f\u7528\u6307\u91dd\u53ef\u4ee5\u907f\u514d\u5728\u51fd\u6578\u9593\u50b3\u905e\u5927\u578b\u6578\u64da\u7d50\u69cb\u6642\u7684\u5167\u5b58\u62f7\u8c9d\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u76f4\u63a5\u64cd\u4f5c\u5167\u5b58\uff1a<\/strong>\u6307\u91dd\u5141\u8a31\u958b\u767c\u8005\u76f4\u63a5\u64cd\u4f5c\u5167\u5b58\uff0c\u9019\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5f0f\u7684\u6548\u7387\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u6307\u91dd\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u6578\u64da\u7d50\u69cb\uff0c\u5982\u93c8\u8868\u3001\u6a39\u7b49\uff0c\u9019\u4e9b\u7d50\u69cb\u901a\u5e38\u9700\u8981\u52d5\u614b\u5167\u5b58\u5206\u914d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%8c%87%e9%87%9d%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-UGZAYfoyLe\">\u6307\u91dd\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u96d6\u7136\u6307\u91dd\u5728 Go \u8a9e\u8a00\u4e2d\u975e\u5e38\u6709\u7528\uff0c\u4f46\u4f7f\u7528\u4e0d\u7576\u4e5f\u53ef\u80fd\u5c0e\u81f4\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9805\uff1a<\/p>\n<ul>\n<li><strong>\u7a7a\u6307\u91dd\uff1a<\/strong>\u5728\u4f7f\u7528\u6307\u91dd\u4e4b\u524d\uff0c\u61c9\u8a72\u78ba\u4fdd\u5b83\u4e0d\u70ba <code>nil<\/code>\uff0c\u5426\u5247\u6703\u5c0e\u81f4\u904b\u884c\u6642\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6307\u91dd\u7684\u751f\u547d\u9031\u671f\uff1a<\/strong>\u78ba\u4fdd\u6307\u91dd\u6307\u5411\u7684\u8b8a\u91cf\u5728\u4f7f\u7528\u671f\u9593\u662f\u6709\u6548\u7684\uff0c\u907f\u514d\u51fa\u73fe\u61f8\u7a7a\u6307\u91dd\u3002<\/li>\n<li><strong>\u907f\u514d\u904e\u5ea6\u4f7f\u7528\uff1a<\/strong>\u5728\u4e0d\u9700\u8981\u7684\u60c5\u6cc1\u4e0b\u4f7f\u7528\u6307\u91dd\u53ef\u80fd\u6703\u4f7f\u7a0b\u5f0f\u8b8a\u5f97\u8907\u96dc\uff0c\u61c9\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-UGZAYfoyLe\">\u7d50\u8ad6<\/h2>\n<p>Go \u8a9e\u8a00\u4e2d\u7684\u6307\u91dd\u662f\u4e00\u500b\u5f37\u5927\u4e14\u9748\u6d3b\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u5167\u5b58\u548c\u6578\u64da\u3002\u901a\u904e\u7406\u89e3\u6307\u91dd\u7684\u57fa\u672c\u6982\u5ff5\u53ca\u5176\u4f7f\u7528\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u7de8\u5beb\u51fa\u66f4\u9ad8\u6548\u7684\u7a0b\u5f0f\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5920\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u638c\u63e1 Go \u8a9e\u8a00\u4e2d\u7684\u6307\u91dd\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5c0d\u65bc\u4f3a\u670d\u5668\u7684\u9078\u64c7\u6709\u8208\u8da3\uff0c\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u90fd\u53ef\u4ee5\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u4e86\u89e3Go\u8a9e\u8a00\u6307\u91dd\u7684\u4f7f\u7528\u8207\u539f\u7406\uff0c\u9019\u7bc7\u6587\u7ae0\u63d0\u4f9b\u5168\u9762\u7684\u6559\u7a0b\uff0c\u8b93\u4f60\u8f15\u9b06\u638c\u63e1Go\u6307\u91dd\u7684\u7cbe\u9ad3\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-57684","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57684","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=57684"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57684\/revisions"}],"predecessor-version":[{"id":57685,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57684\/revisions\/57685"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=57684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=57684"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=57684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}