{"id":207677,"date":"2025-07-08T10:06:30","date_gmt":"2025-07-08T02:06:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207677\/"},"modified":"2025-07-08T10:06:30","modified_gmt":"2025-07-08T02:06:30","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e6%8c%87%e5%90%91-int-%e7%9a%84%e6%8c%87%e9%92%88%e7%94%a8int%e8%80%8c%e4%b8%8d%e6%98%afint%e5%88%9d%e5%a7%8b%e5%8c%96%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207677\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u6307\u5411 int \u7684\u6307\u9488\u7528\u201c*int\u201d\u800c\u4e0d\u662f\u201c&int\u201d\u521d\u59cb\u5316\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u4e3a\u4ec0\u4e48\u6307\u5411 int \u7684\u6307\u9488\u7528\u201c*int\u201d\u800c\u4e0d\u662f\u201c&int\u201d\u521d\u59cb\u5316\uff1f<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-24 15:54:34<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u300a\u4e3a\u4ec0\u4e48\u6307\u5411 int \u7684\u6307\u9488\u7528\u201c*int\u201d\u800c\u4e0d\u662f\u201c&int\u201d\u521d\u59cb\u5316\uff1f\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60Golang<\/span>\uff0c\u6216\u8005\u662f\u5bf9Golang<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u4f8b\u5982\uff0c\u5f53\u521d\u59cb\u5316\u4e00\u4e2a\u6307\u5411 int \u7684\u6307\u9488\u65f6\uff0c\u6211\u4eec\u4f7f\u7528\uff1a<\/p>\n

var pointer *int<\/pre>\n
\u4e3a\u4ec0\u4e48\u8bed\u6cd5\u4e0d\u662f\u76f8\u53cd\uff1a<\/p>\n
var pointer &int<\/pre>\n
\u5bf9\u6211\u6765\u8bf4\uff0c\u7b2c\u4e8c\u4e2a\u7248\u672c\u66f4\u6709\u610f\u4e49\uff0c\u56e0\u4e3a\u5b83\u8bfb\u8d77\u6765\u50cf\u201c\u53d8\u91cf\u2018\u6307\u9488\u2019\u662f int \u7684\u5185\u5b58\u5730\u5740\u201d<\/p>\n
 \u6216\u8005\u6362\u53e5\u8bdd\u8bf4\uff0c\u6211\u53d1\u73b0\u201c*\u201d\u65e2\u7528\u4e8e\u5b9a\u4e49\u5185\u5b58\u5730\u5740\u7c7b\u578b\uff08\u5982\u4e0a\u6240\u8ff0\uff09\u53c8\u7528\u4e8e\u53d6\u6d88\u5f15\u7528\uff0c\u8fd9\u4ee4\u4eba\u56f0\u60d1\u3002 *\u6307\u9488 = 123 <\/p>\n
\u8fd9\u662f\u5426\u50cf\u770b\u8d77\u6765\u90a3\u6837\u4ee4\u4eba\u56f0\u60d1\uff0c\u8fd8\u662f\u6211\u5728\u8fd9\u91cc\u9057\u6f0f\u4e86\u4e00\u4e9b\u4e1c\u897f\uff1f<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
&<\/code> \u662f \uff0c\u800c\u4e0d\u662f\u7c7b\u578b\u3002<\/p>\n
\u5bf9\u4e8e t<\/code> \u7c7b\u578b\u7684\u64cd\u4f5c\u6570 t<\/code>\uff0c\u53d6\u5740\u8fd0\u7b97<\/strong> &x<\/code> \u4f1a\u751f\u6210\u6307\u5411 x<\/code> \u7684 *t<\/code> \u7c7b\u578b\u7684\u6307\u9488\u3002<\/p>\n
\u4f46\u786e\u5b9e *<\/code> \u4e5f\u7528\u4f5c\u6307\u9488\u95f4\u63a5<\/strong>\uff1a<\/p>\n
\u5bf9\u4e8e\u6307\u9488\u7c7b\u578b\u4e3a *t<\/code> \u7684\u64cd\u4f5c\u6570 x<\/code>\uff0c\u6307\u9488\u95f4\u63a5\u5bfb\u5740 *x<\/code><\/strong> \u8868\u793a t<\/code> \u6307\u5411\u7684\u7c7b\u578b\u4e3a x<\/code> \u7684\u53d8\u91cf<\/p>\n
\u5982 \u4e2d\u6240\u793a\uff0c*<\/code> \u5f15\u7528\u7c7b\u578b\u548c\u8fd0\u7b97\u7b26\u3002<\/p>\n
\u8fd9\u4e2a\u4e5f\u95ee\u4e86\u7c7b\u4f3c\u7684\u95ee\u9898\u3002<\/p>\n
\u5f53\u7136\uff0c\u6307\u9488\u8bed\u6cd5\u53ea\u662f\u4ece c \u590d\u5236\u800c\u6765\u3002
 \u53e6\u8bf7\u53c2\u9605
 \u5982\u679c\u6211\u4eec\u4f7f\u7528\u201c&<\/code>\u201d\uff0c\u90a3\u4e48 go \u6307\u9488\u5c06\u770b\u8d77\u6765\u50cf c++ \u5f15\u7528\u3002<\/p>\n
\u8fd8\u6709\uff1a<\/p>\n
*int<\/code> \u5b9a\u4e49\u4e86\u4e00\u4e2a\u6307\u9488\u7c7b\u578b\uff0c\u7136\u540e\u53ef\u4ee5\u5728\u53d8\u91cf\u4e0a\u4e0e\u6216\u4e0d\u4e0e *<\/code> \u4e00\u8d77\u4f7f\u7528\u3002 <\/p>\n
    \n
  • \u4f7f\u7528 *<\/code> \u53ef\u4ee5\u8bbf\u95ee\u6307\u5411\u7684\u503c\u3002 <\/li>\n
  • \u5982\u679c\u6ca1\u6709\uff0c\u60a8\u5c06\u8bbf\u95ee\u6307\u5411\u7684\u5185\u5b58\u5730\u5740\u3002 <\/li>\n<\/ul>\n
    &<\/code> \u4ece\u53d8\u91cf\u4e2d\u68c0\u7d22\u5185\u5b58\u5730\u5740\u3002<\/p>\n
    \u5730\u5740\u4e0d\u662f\u6307\u9488\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002
     \u60a8\u4f7f\u7528\u5185\u5b58\u5730\u5740\u5b9a\u4e49\u6307\u9488\u3002<\/p>\n
    var x int = 10    \/\/ declare an int variable `x` holding the value 10.\nvar y *int = &x  \/\/ Create a pointer `y` *using* the memory address of `x`.<\/pre>\n
    *y<\/code> \u7684\u503c\u4e3a 10\u3002
    y<\/code> \u5c06\u662f x<\/code> \u7684\u5185\u5b58\u5730\u5740<\/p>\n
    \u67e5\u770b<\/strong>\u7684\u201c\u201d\u4e2d\u7684\u66f4\u591a\u5185\u5bb9\uff1a<\/p>\n
    go \u6307\u9488\uff0c\u5c31\u50cf c \u6307\u9488\u4e00\u6837\uff0c\u662f\u6307\u5411\u5176\u4ed6\u503c\u7684\u503c\u3002\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u4e0d\u5e94\u88ab\u89c6\u4e3a\u5371\u9669\u6216\u503c\u5f97\u7ea0\u7ed3\u7684\u4e8b\u60c5\u3002<\/p>\n
    \u3002<\/p>\n
    \u4f46\u662f\uff1a<\/p>\n
    \u4f60\u4e0d\u80fd\u6539\u53d8p\u6307\u5411\u7684\u5730\u5740\uff0c\u9664\u975e\u4f60\u7ed9\u5b83\u5206\u914d\u53e6\u4e00\u4e2a\u5730\u5740
     \u5426\uff1avar p *int\uff1b p++<\/code> \u53ef\u80fd\u3002<\/p>\n
    \uff08\u53e6\u8bf7\u53c2\u9605\u201c\u201d\uff09<\/p>\n
    \u4e00\u65e6\u5c06\u503c\u5206\u914d\u7ed9\u6307\u9488\uff08nil \u9664\u5916\uff09\uff0cgo \u5c31\u4f1a\u4fdd\u8bc1\u6240\u6307\u5411\u7684\u5185\u5bb9\u5728\u6307\u9488\u7684\u751f\u547d\u5468\u671f\u5185\u7ee7\u7eed\u6709\u6548\u3002<\/p>\n
    \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\u6301\uff01\u66f4\u591a\u5173\u4e8eGolang\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/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-207677","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207677","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=207677"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207677\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207677"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207677"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}