{"id":57644,"date":"2024-10-10T19:57:16","date_gmt":"2024-10-10T11:57:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/57644\/"},"modified":"2024-10-10T19:57:16","modified_gmt":"2024-10-10T11:57:16","slug":"go%e6%95%99%e7%a8%8b-go-%e8%aa%9e%e8%a8%80%e5%b8%b6%e7%b7%a9%e8%a1%9d%e7%9a%84%e9%80%9a%e9%81%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/57644\/","title":{"rendered":"GO\u6559\u7a0b: Go \u8a9e\u8a00\u5e36\u7de9\u885d\u7684\u901a\u9053"},"content":{"rendered":"<h1 id=\"go%e6%95%99%e7%a8%8b-go-%e8%aa%9e%e8%a8%80%e5%b8%b6%e7%b7%a9%e8%a1%9d%e7%9a%84%e9%80%9a%e9%81%93-fdrWwAKtty\">GO\u6559\u7a0b: Go \u8a9e\u8a00\u5e36\u7de9\u885d\u7684\u901a\u9053<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u7a0b\u5f0f\u8a2d\u8a08\u4e2d\uff0c\u4e26\u884c\u8655\u7406\u5df2\u6210\u70ba\u4e00\u500b\u91cd\u8981\u7684\u4e3b\u984c\u3002Go \u8a9e\u8a00\u4ee5\u5176\u7c21\u6f54\u7684\u8a9e\u6cd5\u548c\u5f37\u5927\u7684\u4e26\u884c\u8655\u7406\u80fd\u529b\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u901a\u9053\uff08Channel\uff09\u662f Go \u8a9e\u8a00\u4e2d\u4e00\u500b\u6838\u5fc3\u7684\u7279\u6027\uff0c\u5b83\u5141\u8a31\u4e0d\u540c\u7684 goroutine \u4e4b\u9593\u9032\u884c\u901a\u4fe1\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5e36\u7de9\u885d\u7684\u901a\u9053\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u7bc4\u4f8b\u4f86\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5176\u904b\u4f5c\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%80%9a%e9%81%93%ef%bc%9f-fdrWwAKtty\">\u4ec0\u9ebc\u662f\u901a\u9053\uff1f<\/h2>\n<p>\u901a\u9053\u662f Go \u8a9e\u8a00\u4e2d\u7528\u4f86\u5728 goroutine \u4e4b\u9593\u50b3\u905e\u6578\u64da\u7684\u7ba1\u9053\u3002\u901a\u9053\u53ef\u4ee5\u662f\u7121\u7de9\u885d\u7684\u6216\u5e36\u7de9\u885d\u7684\u3002\u7121\u7de9\u885d\u7684\u901a\u9053\u8981\u6c42\u767c\u9001\u548c\u63a5\u6536\u64cd\u4f5c\u5fc5\u9808\u540c\u6642\u9032\u884c\uff0c\u800c\u5e36\u7de9\u885d\u7684\u901a\u9053\u5247\u5141\u8a31\u767c\u9001\u8005\u5728\u4e0d\u9700\u8981\u7acb\u5373\u63a5\u6536\u8005\u7684\u60c5\u6cc1\u4e0b\u767c\u9001\u6578\u64da\u3002<\/p>\n<h2 id=\"%e5%b8%b6%e7%b7%a9%e8%a1%9d%e7%9a%84%e9%80%9a%e9%81%93-fdrWwAKtty\">\u5e36\u7de9\u885d\u7684\u901a\u9053<\/h2>\n<p>\u5e36\u7de9\u885d\u7684\u901a\u9053\u5728\u5275\u5efa\u6642\u53ef\u4ee5\u6307\u5b9a\u4e00\u500b\u7de9\u885d\u5340\u7684\u5927\u5c0f\u3002\u9019\u610f\u5473\u8457\u767c\u9001\u8005\u53ef\u4ee5\u5728\u4e0d\u963b\u585e\u7684\u60c5\u6cc1\u4e0b\u767c\u9001\u591a\u500b\u6578\u64da\u9805\uff0c\u76f4\u5230\u7de9\u885d\u5340\u6eff\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97\u901a\u9053\u5728\u8655\u7406\u9ad8\u983b\u7387\u7684\u6578\u64da\u50b3\u8f38\u6642\u66f4\u52a0\u9748\u6d3b\u3002<\/p>\n<h3 id=\"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e5%b8%b6%e7%b7%a9%e8%a1%9d%e7%9a%84%e9%80%9a%e9%81%93-fdrWwAKtty\">\u5982\u4f55\u5275\u5efa\u5e36\u7de9\u885d\u7684\u901a\u9053<\/h3>\n<p>\u5728 Go \u8a9e\u8a00\u4e2d\uff0c\u5275\u5efa\u5e36\u7de9\u885d\u7684\u901a\u9053\u975e\u5e38\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u4e00\u500b\u7de9\u885d\u5340\u5927\u5c0f\u70ba 3 \u7684\u901a\u9053\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>ch := make(chan int, 3)<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u53ef\u4ee5\u5b58\u5132\u6700\u591a\u4e09\u500b\u6574\u6578\u7684\u901a\u9053\u3002<\/p>\n<h3 id=\"%e7%99%bc%e9%80%81%e5%92%8c%e6%8e%a5%e6%94%b6%e6%95%b8%e6%93%9a-fdrWwAKtty\">\u767c\u9001\u548c\u63a5\u6536\u6578\u64da<\/h3>\n<p>\u4f7f\u7528\u5e36\u7de9\u885d\u7684\u901a\u9053\u767c\u9001\u548c\u63a5\u6536\u6578\u64da\u7684\u65b9\u5f0f\u8207\u7121\u7de9\u885d\u7684\u901a\u9053\u76f8\u4f3c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u5e36\u7de9\u885d\u7684\u901a\u9053\uff1a<\/p>\n<pre><code>package main\n\nimport (\n    \"fmt\"\n)\n\nfunc main() {\n    ch := make(chan int, 3)\n\n    \/\/ \u767c\u9001\u6578\u64da\n    ch &lt;- 1\n    ch &lt;- 2\n    ch &lt;- 3\n\n    \/\/ \u63a5\u6536\u6578\u64da\n    fmt.Println(&lt;-ch) \/\/ \u8f38\u51fa: 1\n    fmt.Println(&lt;-ch) \/\/ \u8f38\u51fa: 2\n    fmt.Println(&lt;-ch) \/\/ \u8f38\u51fa: 3\n}<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5411\u901a\u9053\u4e2d\u767c\u9001\u4e86\u4e09\u500b\u6574\u6578\uff0c\u7136\u5f8c\u4f9d\u6b21\u63a5\u6536\u4e26\u6253\u5370\u9019\u4e9b\u6578\u64da\u3002\u7531\u65bc\u901a\u9053\u662f\u5e36\u7de9\u885d\u7684\uff0c\u56e0\u6b64\u767c\u9001\u64cd\u4f5c\u4e0d\u6703\u56e0\u70ba\u63a5\u6536\u8005\u672a\u6e96\u5099\u597d\u800c\u88ab\u963b\u585e\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e5%b8%b6%e7%b7%a9%e8%a1%9d%e7%9a%84%e9%80%9a%e9%81%93%e7%9a%84%e5%84%aa%e5%8b%a2-fdrWwAKtty\">\u4f7f\u7528\u5e36\u7de9\u885d\u7684\u901a\u9053\u7684\u512a\u52e2<\/h3>\n<ul>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u5e36\u7de9\u885d\u7684\u901a\u9053\u53ef\u4ee5\u6e1b\u5c11 goroutine \u4e4b\u9593\u7684\u963b\u585e\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u767c\u9001\u8005\u53ef\u4ee5\u5728\u4e0d\u9700\u8981\u7acb\u5373\u63a5\u6536\u8005\u7684\u60c5\u6cc1\u4e0b\u7e7c\u7e8c\u57f7\u884c\u5176\u4ed6\u4efb\u52d9\u3002<\/li>\n<li><strong>\u7c21\u5316\u4ee3\u78bc\uff1a<\/strong>\u4f7f\u7528\u901a\u9053\u53ef\u4ee5\u4f7f\u4ee3\u78bc\u66f4\u7c21\u6f54\uff0c\u6613\u65bc\u7406\u89e3\u548c\u7dad\u8b77\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-fdrWwAKtty\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u96d6\u7136\u5e36\u7de9\u885d\u7684\u901a\u9053\u63d0\u4f9b\u4e86\u8a31\u591a\u512a\u52e2\uff0c\u4f46\u958b\u767c\u8005\u4ecd\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u901a\u9053\u7684\u7de9\u885d\u5340\u5df2\u6eff\uff0c\u767c\u9001\u64cd\u4f5c\u5c07\u6703\u88ab\u963b\u585e\uff0c\u76f4\u5230\u6709\u7a7a\u9593\u53ef\u7528\u3002<\/li>\n<li>\u5982\u679c\u901a\u9053\u7684\u7de9\u885d\u5340\u70ba\u7a7a\uff0c\u63a5\u6536\u64cd\u4f5c\u5c07\u6703\u88ab\u963b\u585e\uff0c\u76f4\u5230\u6709\u6578\u64da\u53ef\u7528\u3002<\/li>\n<li>\u5728\u4f7f\u7528\u5e36\u7de9\u885d\u7684\u901a\u9053\u6642\uff0c\u61c9\u8a72\u8b39\u614e\u8a2d\u8a08\u4ee5\u907f\u514d\u6b7b\u9396\u7684\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fdrWwAKtty\">\u7e3d\u7d50<\/h2>\n<p>\u5e36\u7de9\u885d\u7684\u901a\u9053\u662f Go \u8a9e\u8a00\u4e2d\u4e00\u500b\u5f37\u5927\u7684\u7279\u6027\uff0c\u80fd\u5920\u6709\u6548\u5730\u652f\u6301\u4e26\u884c\u8655\u7406\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528\u5e36\u7de9\u885d\u7684\u901a\u9053\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u3002\u7121\u8ad6\u662f\u5728\u8655\u7406\u9ad8\u983b\u7387\u6578\u64da\u50b3\u8f38\u9084\u662f\u7c21\u5316\u4ee3\u78bc\u7d50\u69cb\u65b9\u9762\uff0c\u5e36\u7de9\u885d\u7684\u901a\u9053\u90fd\u63d0\u4f9b\u4e86\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<p>\u5982\u679c\u60a8\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\u53c3\u8003\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2 Go \u8a9e\u8a00\u4e2d\u7684\u5e36\u7de9\u885d\u901a\u9053\uff0c\u638c\u63e1\u5982\u4f55\u6709\u6548\u7ba1\u7406\u4e26\u767c\u8207\u6578\u64da\u50b3\u8f38\uff0c\u63d0\u5347\u7a0b\u5f0f\u6027\u80fd\u8207\u7a69\u5b9a\u6027\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-57644","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57644","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=57644"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57644\/revisions"}],"predecessor-version":[{"id":57645,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57644\/revisions\/57645"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=57644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=57644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=57644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}