{"id":205933,"date":"2025-06-12T12:21:09","date_gmt":"2025-06-12T04:21:09","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205933\/"},"modified":"2025-06-12T12:21:09","modified_gmt":"2025-06-12T04:21:09","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-chan-%e4%bd%9c%e4%b8%ba-golang-%e5%87%bd%e6%95%b0%e7%9a%84%e5%8f%82%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205933\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 chan \u4f5c\u4e3a Golang \u51fd\u6570\u7684\u53c2\u6570\uff1f"},"content":{"rendered":"

\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u90a3\u4e48\u672c\u6587\u300a\u5982\u4f55\u4f7f\u7528 chan \u4f5c\u4e3a GOLANG \u51fd\u6570\u7684\u53c2\u6570\uff1f\u300b<\/span>\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec<\/span>\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/span>,
\n,
\n\u5982\u4f55\u4f7f\u7528 chan \u4f5c\u4e3a GOLANG \u51fd\u6570\u7684\u53c2\u6570\uff1f<\/strong>,\u5728 GOLANG \u4e2d\uff0c
\nchan<\/code> \u7c7b\u578b\u4ee3\u8868\u4e00\u4e2a\u901a\u4fe1\u901a\u9053\uff0c\u7528\u4e8e\u5728 goroutine \u4e4b\u95f4\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u5b83\u53ef\u4ee5\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570\u4f20\u9012\uff0c\u4ee5\u4fbf\u51fd\u6570\u53ef\u4ee5\u4e0e\u5176\u4ed6 goroutine \u8fdb\u884c\u901a\u4fe1\u3002,
\n\u8981\u70b9\uff1a<\/strong>,
\n\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong>,
\n\u89e3\u91ca\uff1a<\/strong>,\u672c\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528 chan \u4f5c\u4e3a GOLANG \u51fd\u6570\u7684\u53c2\u6570\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01,<\/p>\n

\u8f93\u51fa\uff1a<\/p>\n

Received: 0\nReceived: 1\nReceived: 2\nReceived: 3\nReceived: 4\nChannel is closed<\/pre>\n
,
\nselect<\/code> \u8bed\u53e5\u7528\u4e8e\u4ece\u901a\u9053\u63a5\u6536\u6570\u636e\uff0c\u76f4\u5230\u901a\u9053\u5173\u95ed\u3002,
\nmain<\/code> \u51fd\u6570\u521b\u5efa\u901a\u9053
\nch<\/code>\uff0c\u542f\u52a8
\nreceive<\/code> goroutine\uff0c\u5411\u901a\u9053\u53d1\u9001\u6570\u636e\uff0c\u7136\u540e\u5173\u95ed\u901a\u9053\u3002,
\nreceive<\/code> \u51fd\u6570\u4ece\u53ea\u8bfb\u901a\u9053
\nch<\/code> \u63a5\u6536\u6570\u636e\u3002,\u51fd\u6570\u5fc5\u987b\u4f7f\u7528
\nselect<\/code> \u8bed\u53e5\u4ece\u901a\u9053\u4e2d\u63a5\u6536\u6216\u53d1\u9001\u6570\u636e\u3002,
\nchan<\/code> \u5728\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570\u4f20\u9012\u65f6\uff0c\u53ea\u80fd\u4f7f\u7528\u5355\u5411\u6a21\u5f0f\u3002,Goroutine \u53ef\u4ee5\u901a\u8fc7\u5411\u901a\u9053\u53d1\u9001\u6216\u4ece\u901a\u9053\u63a5\u6536\u6570\u636e\u6765\u4e0e\u51fd\u6570\u8fdb\u884c\u901a\u4fe1\u3002,\u5982\u4f55\u4f7f\u7528 chan \u4f5c\u4e3a GOLANG \u51fd\u6570\u7684\u53c2\u6570\uff1f,
\n\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u90a3\u4e48\u672c\u6587\u300a\u5982\u4f55\u4f7f\u7528 chan \u4f5c\u4e3a GOLANG \u51fd\u6570\u7684\u53c2\u6570\uff1f\u300b<\/span>\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec<\/span>\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/span>,
\n<\/b> <\/p>\n
\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span>  ><\/span>  ><\/span>  ><\/span> \u5982\u4f55\u4f7f\u7528 chan \u4f5c\u4e3a GOLANG \u51fd\u6570\u7684\u53c2\u6570\uff1f<\/span><\/p>\n
\u5982\u4f55\u4f7f\u7528 chan \u4f5c\u4e3a GOLANG \u51fd\u6570\u7684\u53c2\u6570\uff1f<\/h1>\n
2024-10-28 14:51:06<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n
\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u90a3\u4e48\u672c\u6587\u300a\u5982\u4f55\u4f7f\u7528 chan \u4f5c\u4e3a GOLANG \u51fd\u6570\u7684\u53c2\u6570\uff1f\u300b<\/span>\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec<\/span>\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/span><\/p>\n
<\/p>\n
\u5982\u4f55\u4f7f\u7528 chan \u4f5c\u4e3a GOLANG \u51fd\u6570\u7684\u53c2\u6570\uff1f<\/strong><\/p>\n
\u5728 GOLANG \u4e2d\uff0cchan<\/code> \u7c7b\u578b\u4ee3\u8868\u4e00\u4e2a\u901a\u4fe1\u901a\u9053\uff0c\u7528\u4e8e\u5728 goroutine \u4e4b\u95f4\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u5b83\u53ef\u4ee5\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570\u4f20\u9012\uff0c\u4ee5\u4fbf\u51fd\u6570\u53ef\u4ee5\u4e0e\u5176\u4ed6 goroutine \u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n
\u8981\u70b9\uff1a<\/strong><\/p>\n
    \n
  • chan<\/code> \u5728\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570\u4f20\u9012\u65f6\uff0c\u53ea\u80fd\u4f7f\u7528\u5355\u5411\u6a21\u5f0f\u3002<\/li>\n
  • \u51fd\u6570\u5fc5\u987b\u4f7f\u7528 select<\/code> \u8bed\u53e5\u4ece\u901a\u9053\u4e2d\u63a5\u6536\u6216\u53d1\u9001\u6570\u636e\u3002<\/li>\n
  • Goroutine \u53ef\u4ee5\u901a\u8fc7\u5411\u901a\u9053\u53d1\u9001\u6216\u4ece\u901a\u9053\u63a5\u6536\u6570\u636e\u6765\u4e0e\u51fd\u6570\u8fdb\u884c\u901a\u4fe1\u3002<\/li>\n<\/ul>\n
    \u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n
    package main\n\nimport (\n    \"fmt\"\n    \"time\"\n)\n\nfunc receive(ch <-chan int) {\n    for {\n        i, ok := <-ch\n        if !ok {\n            fmt.Println(\"Channel is closed\")\n            return\n        }\n        fmt.Println(\"Received:\", i)\n    }\n}\n\nfunc main() {\n    ch := make(chan int)\n    go receive(ch)\n\n    for i := 0; i < 5; i++ {\n        ch <- i \/\/ Send data to the channel\n    }\n\n    close(ch) \/\/ Close the channel to signal the end of data transmission\n    time.Sleep(1 * time.Second) \/\/ Give the receiver time to finish\n}<\/pre>\n
    \u89e3\u91ca\uff1a<\/strong><\/p>\n
      \n
    • receive<\/code> \u51fd\u6570\u4ece\u53ea\u8bfb\u901a\u9053 ch<\/code> \u63a5\u6536\u6570\u636e\u3002<\/li>\n
    • main<\/code> \u51fd\u6570\u521b\u5efa\u901a\u9053 ch<\/code>\uff0c\u542f\u52a8 receive<\/code> goroutine\uff0c\u5411\u901a\u9053\u53d1\u9001\u6570\u636e\uff0c\u7136\u540e\u5173\u95ed\u901a\u9053\u3002<\/li>\n
    • select<\/code> \u8bed\u53e5\u7528\u4e8e\u4ece\u901a\u9053\u63a5\u6536\u6570\u636e\uff0c\u76f4\u5230\u901a\u9053\u5173\u95ed\u3002<\/li>\n
    • \n
      \u8f93\u51fa\uff1a<\/p>\n
      Received: 0\nReceived: 1\nReceived: 2\nReceived: 3\nReceived: 4\nChannel is closed<\/pre>\n<\/li>\n<\/ul>\n
      \u672c\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528 chan \u4f5c\u4e3a GOLANG \u51fd\u6570\u7684\u53c2\u6570\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01<\/p>\n
      \n
      \n <\/dt>\n
      \n   \u5982\u4f55\u53ea\u7528\u4e00\u4e2a div \u5b9e\u73b0\u5de6\u4e0a\u89d2\u6216\u53f3\u4e0a\u89d2\u7684\u5f69\u8272\u89d2\uff1f\n <\/dd>\n<\/dl>\n
      \n
      \n <\/dt>\n
      \n   ## CSS \u4e2d sm md lg xl 2xl \u5c4f\u5e55\u5c3a\u5bf8\u7a76\u7adf\u4ee3\u8868\u4ec0\u4e48\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
      \u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GO...<\/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-205933","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205933","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=205933"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205933\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}