{"id":47657,"date":"2024-12-02T08:24:17","date_gmt":"2024-12-02T00:24:17","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47657\/"},"modified":"2024-12-02T08:24:17","modified_gmt":"2024-12-02T00:24:17","slug":"go-%e4%b8%ad%e5%ae%9a%e4%b9%89%e7%bb%93%e6%9e%84%e4%bd%93%e7%94%a8-var-%e5%92%8c-type-%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47657\/","title":{"rendered":"Go \u4e2d\u5b9a\u4e49\u7ed3\u6784\u4f53\u7528 var \u548c type \u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Go \u4e2d\u5b9a\u4e49\u7ed3\u6784\u4f53\u7528 var \u548c type \u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h1>\n<p>\u6765\u5230\u7c73\u4e91\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aGo \u4e2d\u5b9a\u4e49\u7ed3\u6784\u4f53\u7528 var \u548c type \u6709\u4ec0\u4e48\u533a\u522b\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\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\/20241026\/1729928382671c9cbedda77.jpg\" class=\"aligncenter\" title=\"Go \u4e2d\u5b9a\u4e49\u7ed3\u6784\u4f53\u7528 var \u548c type \u6709\u4ec0\u4e48\u533a\u522b\uff1f\u63d2\u56fe\" alt=\"Go \u4e2d\u5b9a\u4e49\u7ed3\u6784\u4f53\u7528 var \u548c type \u6709\u4ec0\u4e48\u533a\u522b\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>var \u548c type \u5b9a\u4e49\u7ed3\u6784\u7684\u533a\u522b<\/strong><\/p>\n<p>\u5728 go \u4e2d\uff0c\u5b9a\u4e49\u7ed3\u6784\u4f53\u65f6\u53ef\u4ee5\u4f7f\u7528 var \u6216 type \u5173\u952e\u5b57\u3002\u8fd9\u4e24\u79cd\u65b9\u5f0f\u4e4b\u95f4\u5b58\u5728\u7ec6\u5fae\u5dee\u522b\u3002<\/p>\n<p><strong>var<\/strong><\/p>\n<p>var \u5173\u952e\u5b57\u7528\u4e8e\u58f0\u660e\u4e00\u4e2a\u533f\u540d\u7ed3\u6784\u4f53\u53d8\u91cf\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>var people struct {\n    name string\n    age  int\n}<\/pre>\n<p>\u8fd9\u76f8\u5f53\u4e8e\u540c\u65f6\u58f0\u660e\u4e86\u4e00\u4e2a\u533f\u540d\u7684\u7ed3\u6784\u4f53\u7c7b\u578b\u548c\u4e00\u4e2a\u8be5\u7c7b\u578b\u7684\u53d8\u91cf\u3002<\/p>\n<p><strong>type<\/strong><\/p>\n<p>type \u5173\u952e\u5b57\u7528\u4e8e\u521b\u5efa\u6709\u540d\u79f0\u7684\u7ed3\u6784\u4f53\u7c7b\u578b\uff0c\u7136\u540e\u4f7f\u7528\u8be5\u7c7b\u578b\u58f0\u660e\u53d8\u91cf\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>type People struct {\n    name string\n    age  int\n}\n\nvar people People<\/pre>\n<p><strong>\u533a\u522b<\/strong><\/p>\n<ul>\n<li><strong>\u4f5c\u7528\u57df\uff1a<\/strong>\u533f\u540d\u7ed3\u6784\u4f53\u53ea\u80fd\u5728\u5b9a\u4e49\u5b83\u7684\u51fd\u6570\u6216\u5757\u4e2d\u4f7f\u7528\uff0c\u800c\u547d\u540d\u7ed3\u6784\u4f53\u53ef\u4ee5\u4f9b\u6574\u4e2a\u5305\u4f7f\u7528\u3002<\/li>\n<li><strong>\u53ef\u8bfb\u6027\uff1a<\/strong>\u547d\u540d\u7ed3\u6784\u4f53\u66f4\u5177\u53ef\u8bfb\u6027\uff0c\u56e0\u4e3a\u5b83\u6e05\u695a\u5730\u8868\u660e\u4e86\u7ed3\u6784\u4f53\u7684\u7c7b\u578b\u3002\u533f\u540d\u7ed3\u6784\u4f53\u5728\u4ee3\u7801\u4e2d\u53ef\u80fd\u4e0d\u5bb9\u6613\u7406\u89e3\u3002<\/li>\n<li><strong>\u53ef\u6269\u5c55\u6027\uff1a<\/strong>\u5bf9\u4e8e\u9700\u8981\u5728\u4ee3\u7801\u7684\u4e0d\u540c\u90e8\u5206\u8bbf\u95ee\u7684\u7ed3\u6784\u4f53\uff0c\u547d\u540d\u7ed3\u6784\u4f53\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u53ef\u6269\u5c55\u6027\u3002\u800c\u533f\u540d\u7ed3\u6784\u4f53\u901a\u5e38\u7528\u4e8e\u4e34\u65f6\u53d8\u91cf\u6216\u4e00\u6b21\u6027\u503c\u3002<\/li>\n<\/ul>\n<p><strong>\u4f7f\u7528\u573a\u666f<\/strong><\/p>\n<p>\u4e00\u822c\u6765\u8bf4\uff0c\u4ee5\u4e0b\u573a\u666f\u9002\u5408\u4f7f\u7528\u533f\u540d\u7ed3\u6784\u4f53\uff1a<\/p>\n<ul>\n<li>\u4f5c\u4e3a\u4e34\u65f6\u53d8\u91cf\u6216\u4e00\u6b21\u6027\u503c\u65f6<\/li>\n<li>\u8de8\u8d8a\u51fd\u6570\u6216 package \u65f6\u4e0d\u9700\u8981\u4f20\u9012\u7ed3\u6784\u4f53\u7684\u7c7b\u578b<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u573a\u666f\u9002\u5408\u4f7f\u7528\u547d\u540d\u7ed3\u6784\u4f53\uff1a<\/p>\n<ul>\n<li>\u5f53\u7ed3\u6784\u4f53\u9700\u8981\u5728\u4ee3\u7801\u7684\u4e0d\u540c\u90e8\u5206\u8bbf\u95ee\u65f6<\/li>\n<li>\u5f53\u9700\u8981\u58f0\u660e\u591a\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u7ed3\u6784\u4f53\u65f6<\/li>\n<li>\u5f53\u5e0c\u671b\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u65f6<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300aGo \u4e2d\u5b9a\u4e49\u7ed3\u6784\u4f53\u7528 var \u548c type \u6709\u4ec0\u4e48\u533a\u522b\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Go \u4e2d\u5b9a\u4e49\u7ed3\u6784\u4f53\u7528 var \u548c type \u6709\u4ec0\u4e48\u533a\u522b\uff1f \u6765\u5230\u7c73\u4e91\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aGo \u4e2d\u5b9a\u4e49\u7ed3\u6784\u4f53\u7528 var \u548c type \u6709\u4ec0\u4e48\u533a\u522b\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01 var \u548c type \u5b9a\u4e49\u7ed3\u6784\u7684\u533a\u522b \u5728 go \u4e2d\uff0c\u5b9a\u4e49\u7ed3\u6784\u4f53\u65f6\u53ef\u4ee5\u4f7f\u7528 var \u6216 type \u5173\u952e\u5b57\u3002\u8fd9\u4e24\u79cd\u65b9\u5f0f\u4e4b\u95f4\u5b58\u5728\u7ec6\u5fae\u5dee\u522b\u3002 var var \u5173\u952e\u5b57\u7528\u4e8e\u58f0\u660e\u4e00\u4e2a\u533f\u540d\u7ed3\u6784\u4f53\u53d8\u91cf\uff0c\u5982\u4e0b\u6240\u793a\uff1a var people struct { name string age int } \u8fd9\u76f8\u5f53\u4e8e\u540c\u65f6\u58f0\u660e\u4e86\u4e00\u4e2a\u533f\u540d\u7684\u7ed3\u6784\u4f53\u7c7b\u578b\u548c\u4e00\u4e2a\u8be5\u7c7b\u578b\u7684\u53d8\u91cf\u3002 type type \u5173\u952e\u5b57\u7528\u4e8e\u521b\u5efa\u6709\u540d\u79f0\u7684\u7ed3\u6784\u4f53\u7c7b\u578b\uff0c\u7136\u540e\u4f7f\u7528\u8be5\u7c7b\u578b\u58f0\u660e\u53d8\u91cf\uff0c\u5982\u4e0b\u6240\u793a\uff1a type People struct { name string age int } var people People \u533a\u522b \u4f5c\u7528\u57df\uff1a\u533f\u540d\u7ed3\u6784\u4f53\u53ea\u80fd\u5728\u5b9a\u4e49\u5b83\u7684\u51fd\u6570\u6216\u5757\u4e2d\u4f7f\u7528\uff0c\u800c\u547d\u540d\u7ed3\u6784\u4f53\u53ef\u4ee5\u4f9b\u6574\u4e2a\u5305\u4f7f\u7528\u3002 \u53ef\u8bfb\u6027\uff1a\u547d\u540d\u7ed3\u6784\u4f53\u66f4\u5177\u53ef\u8bfb\u6027\uff0c\u56e0\u4e3a\u5b83\u6e05\u695a\u5730\u8868\u660e\u4e86\u7ed3\u6784\u4f53\u7684\u7c7b\u578b\u3002\u533f\u540d\u7ed3\u6784\u4f53\u5728\u4ee3\u7801\u4e2d\u53ef\u80fd\u4e0d\u5bb9\u6613\u7406\u89e3\u3002 \u53ef\u6269\u5c55\u6027\uff1a\u5bf9\u4e8e\u9700\u8981\u5728\u4ee3\u7801\u7684\u4e0d\u540c\u90e8\u5206\u8bbf\u95ee\u7684\u7ed3\u6784\u4f53\uff0c\u547d\u540d\u7ed3\u6784\u4f53\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u53ef\u6269\u5c55\u6027\u3002\u800c\u533f\u540d\u7ed3\u6784\u4f53\u901a\u5e38\u7528\u4e8e\u4e34\u65f6\u53d8\u91cf\u6216\u4e00\u6b21\u6027\u503c\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-47657","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47657","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=47657"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47657\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}