{"id":205799,"date":"2025-06-12T09:36:03","date_gmt":"2025-06-12T01:36:03","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205799\/"},"modified":"2025-06-12T09:36:03","modified_gmt":"2025-06-12T01:36:03","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-golang-%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b0%e5%a4%84%e7%90%86%e9%94%99%e8%af%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205799\/","title":{"rendered":"\u5982\u4f55\u5728 Golang \u4e2d\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5904\u7406\u9519\u8bef\uff1f"},"content":{"rendered":"<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300a\u5982\u4f55\u5728 GOLANG \u4e2d\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5904\u7406\u9519\u8bef\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002,\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5904\u7406 GOLANG \u4e2d\u7684\u9519\u8bef\uff0c\u7b80\u5316\u4ee3\u7801\u5e76\u63d0\u9ad8\u53ef\u8bfb\u6027\uff1a\u4f7f\u7528\u8bed\u6cd5\uff1afunc(parameters) (returns) { \/\/ \u51fd\u6570\u4f53 }\u5728\u9519\u8bef\u5904\u7406\u4e2d\u4f7f\u7528\u533f\u540d\u51fd\u6570\uff1aif err != nil {&#8230;}\u4f18\u70b9\uff1a\u7b80\u6d01\u6027\u3001\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730002817671dbf8174733.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u5982\u4f55\u5728 GOLANG \u4e2d\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5904\u7406\u9519\u8bef<\/strong>,\u5728 Go \u4e2d\uff0c\u533f\u540d\u51fd\u6570\u662f\u672a\u547d\u540d\u7684\u51fd\u6570\uff0c\u901a\u5e38\u7528\u4f5c\u56de\u8c03\u6216\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u51fd\u6570\u7684\u53c2\u6570\u4f20\u9012\u3002\u5b83\u4eec\u53ef\u4ee5\u7528\u6765\u7b80\u5316\u9519\u8bef\u5904\u7406\uff0c\u5e76\u4f7f\u4ee3\u7801\u66f4\u5177\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002,<br \/>\n<strong>\u4f7f\u7528\u65b9\u6cd5<\/strong>,\u8bed\u6cd5\u5982\u4e0b\uff1a,<br \/>\n<strong>\u9519\u8bef\u5904\u7406\u5b9e\u6218\u6848\u4f8b<\/strong>,\u4e0b\u9762\u662f\u4e00\u4e2a\u5904\u7406\u6253\u5f00\u6587\u4ef6\u65f6\u51fa\u9519\u7684\u793a\u4f8b\uff1a,\u8fd9\u6bb5\u4ee3\u7801\u4f7f\u7528\u533f\u540d\u51fd\u6570<br \/>\n<code>if err != nil {...}<\/code> \u6765\u5904\u7406\u6253\u5f00\u6587\u4ef6\u53ef\u80fd\u4ea7\u751f\u7684\u9519\u8bef\u3002\u5982\u679c<br \/>\n<code>os.Open()<\/code> \u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\uff0c\u533f\u540d\u51fd\u6570\u4f1a\u88ab\u8c03\u7528\uff0c\u5b83\u5c06\u6253\u5370\u9519\u8bef\u5e76\u9000\u51fa\u7a0b\u5e8f\u3002\u4f7f\u7528\u533f\u540d\u51fd\u6570\u4f7f\u4ee3\u7801\u66f4\u7b80\u6d01\uff0c\u56e0\u4e3a\u5b83\u6d88\u9664\u4e86\u5bf9\u5355\u72ec\u9519\u8bef\u5904\u7406\u51fd\u6570\u7684\u9700\u8981\u3002,<br \/>\n<strong>\u4f18\u52bf<\/strong>,\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5904\u7406\u9519\u8bef\u7684\u4f18\u52bf\u5305\u62ec\uff1a,<br \/>\n<strong>\u7ed3\u8bba<\/strong>,\u533f\u540d\u51fd\u6570\u662f\u5904\u7406 Go \u4e2d\u9519\u8bef\u7684\u5f3a\u5927\u5de5\u5177\u3002\u901a\u8fc7\u7b80\u5316\u9519\u8bef\u5904\u7406\u4ee3\u7801\uff0c\u5b83\u4eec\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u7b80\u6d01\u6027\u3001\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002,\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,<br \/>\n<strong>\u53ef\u8bfb\u6027\uff1a<\/strong> \u5c06\u9519\u8bef\u5904\u7406\u5305\u542b\u5728\u4e3b\u8981\u4ee3\u7801\u8def\u5f84\u4e2d\uff0c\u4f7f\u4ee3\u7801\u66f4\u6613\u4e8e\u9605\u8bfb\u548c\u7406\u89e3\u3002,<br \/>\n<strong>\u7b80\u6d01\u6027\uff1a<\/strong> \u5b83\u6d88\u9664\u4e86\u5bf9\u5355\u72ec\u9519\u8bef\u5904\u7406\u51fd\u6570\u7684\u9700\u8981\uff0c\u4ece\u800c\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u3002,<br \/>\n<strong>\u53ef\u7ef4\u62a4\u6027\uff1a<\/strong> \u5f53\u8fdb\u884c\u66f4\u6539\u65f6\uff0c\u4e00\u4e2a\u96c6\u4e2d\u4f4d\u7f6e\u7684\u9519\u8bef\u5904\u7406\u66f4\u5bb9\u6613\u7ef4\u62a4\u3002,\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300a\u5982\u4f55\u5728 GOLANG \u4e2d\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5904\u7406\u9519\u8bef\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002,<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>\u5982\u4f55\u5728 GOLANG \u4e2d\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5904\u7406\u9519\u8bef\uff1f<\/span><\/p>\n<h1>\u5982\u4f55\u5728 GOLANG \u4e2d\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5904\u7406\u9519\u8bef\uff1f<\/h1>\n<p><span>2024-10-27 12:20:32<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300a\u5982\u4f55\u5728 GOLANG \u4e2d\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5904\u7406\u9519\u8bef\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n<p>\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5904\u7406 GOLANG \u4e2d\u7684\u9519\u8bef\uff0c\u7b80\u5316\u4ee3\u7801\u5e76\u63d0\u9ad8\u53ef\u8bfb\u6027\uff1a\u4f7f\u7528\u8bed\u6cd5\uff1afunc(parameters) (returns) { \/\/ \u51fd\u6570\u4f53 }\u5728\u9519\u8bef\u5904\u7406\u4e2d\u4f7f\u7528\u533f\u540d\u51fd\u6570\uff1aif err != nil {&#8230;}\u4f18\u70b9\uff1a\u7b80\u6d01\u6027\u3001\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730002817671dbf8174733.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u5728 GOLANG \u4e2d\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5904\u7406\u9519\u8bef<\/strong><\/p>\n<p>\u5728 Go \u4e2d\uff0c\u533f\u540d\u51fd\u6570\u662f\u672a\u547d\u540d\u7684\u51fd\u6570\uff0c\u901a\u5e38\u7528\u4f5c\u56de\u8c03\u6216\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u51fd\u6570\u7684\u53c2\u6570\u4f20\u9012\u3002\u5b83\u4eec\u53ef\u4ee5\u7528\u6765\u7b80\u5316\u9519\u8bef\u5904\u7406\uff0c\u5e76\u4f7f\u4ee3\u7801\u66f4\u5177\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<p><strong>\u4f7f\u7528\u65b9\u6cd5<\/strong><\/p>\n<p>\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>func(parameters) (returns) {\n    \/\/ \u51fd\u6570\u4f53\n}<\/pre>\n<p><strong>\u9519\u8bef\u5904\u7406\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u5904\u7406\u6253\u5f00\u6587\u4ef6\u65f6\u51fa\u9519\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>func main() {\n    f, err := os.Open(\"data.txt\")\n    if err != nil {\n        \/\/ \u5904\u7406\u9519\u8bef\n        fmt.Println(err)\n        return\n    }\n    defer f.Close()\n    \/\/ \u4f7f\u7528\u6587\u4ef6\n}<\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u4f7f\u7528\u533f\u540d\u51fd\u6570 <code>if err != nil {...}<\/code> \u6765\u5904\u7406\u6253\u5f00\u6587\u4ef6\u53ef\u80fd\u4ea7\u751f\u7684\u9519\u8bef\u3002\u5982\u679c <code>os.Open()<\/code> \u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\uff0c\u533f\u540d\u51fd\u6570\u4f1a\u88ab\u8c03\u7528\uff0c\u5b83\u5c06\u6253\u5370\u9519\u8bef\u5e76\u9000\u51fa\u7a0b\u5e8f\u3002\u4f7f\u7528\u533f\u540d\u51fd\u6570\u4f7f\u4ee3\u7801\u66f4\u7b80\u6d01\uff0c\u56e0\u4e3a\u5b83\u6d88\u9664\u4e86\u5bf9\u5355\u72ec\u9519\u8bef\u5904\u7406\u51fd\u6570\u7684\u9700\u8981\u3002<\/p>\n<p><strong>\u4f18\u52bf<\/strong><\/p>\n<p>\u4f7f\u7528\u533f\u540d\u51fd\u6570\u5904\u7406\u9519\u8bef\u7684\u4f18\u52bf\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u7b80\u6d01\u6027\uff1a<\/strong> \u5b83\u6d88\u9664\u4e86\u5bf9\u5355\u72ec\u9519\u8bef\u5904\u7406\u51fd\u6570\u7684\u9700\u8981\uff0c\u4ece\u800c\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u3002<\/li>\n<li><strong>\u53ef\u8bfb\u6027\uff1a<\/strong> \u5c06\u9519\u8bef\u5904\u7406\u5305\u542b\u5728\u4e3b\u8981\u4ee3\u7801\u8def\u5f84\u4e2d\uff0c\u4f7f\u4ee3\u7801\u66f4\u6613\u4e8e\u9605\u8bfb\u548c\u7406\u89e3\u3002<\/li>\n<li><strong>\u53ef\u7ef4\u62a4\u6027\uff1a<\/strong> \u5f53\u8fdb\u884c\u66f4\u6539\u65f6\uff0c\u4e00\u4e2a\u96c6\u4e2d\u4f4d\u7f6e\u7684\u9519\u8bef\u5904\u7406\u66f4\u5bb9\u6613\u7ef4\u62a4\u3002<\/li>\n<\/ul>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u533f\u540d\u51fd\u6570\u662f\u5904\u7406 Go \u4e2d\u9519\u8bef\u7684\u5f3a\u5927\u5de5\u5177\u3002\u901a\u8fc7\u7b80\u5316\u9519\u8bef\u5904\u7406\u4ee3\u7801\uff0c\u5b83\u4eec\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u7b80\u6d01\u6027\u3001\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\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   \u4e3a\u4ec0\u4e48\u6837\u5f0f\u5237\u65b0\u540e\u624d\u6b63\u5e38\u663e\u793a\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   Java \u63a5\u53e3\u4e2d\u53ef\u4ee5\u6709 protected \u5c5e\u6027\u5417\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00&#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-205799","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205799","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=205799"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205799\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205799"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205799"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}