{"id":206315,"date":"2025-06-12T11:35:53","date_gmt":"2025-06-12T03:35:53","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206315\/"},"modified":"2025-06-12T11:35:53","modified_gmt":"2025-06-12T03:35:53","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-go-%e8%af%ad%e8%a8%80%e4%b8%ad%e5%88%a4%e6%96%ad-map-%e4%b8%ad-net-conn-%e7%b1%bb%e5%9e%8b%e5%8f%98%e9%87%8f%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206315\/","title":{"rendered":"\u5982\u4f55\u5728 Go \u8bed\u8a00\u4e2d\u5224\u65ad map \u4e2d net.Conn \u7c7b\u578b\u53d8\u91cf\uff1f"},"content":{"rendered":"

\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60
\nGOLANG<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587
\n\u300a\u5982\u4f55\u5728 Go \u8bed\u8a00\u4e2d\u5224\u65ad map \u4e2d net.Conn \u7c7b\u578b\u53d8\u91cf\uff1f\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0
\nGOLANG<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01,
\n,
\n\u5982\u4f55\u5224\u65ad map \u4e2d net.conn \u7c7b\u578b\u53d8\u91cf<\/strong>,\u5728 go \u8bed\u8a00\u4e2d\uff0cmap \u7684\u503c\u53ef\u4ee5\u5b58\u50a8\u4efb\u610f\u7c7b\u578b\u3002\u5728\u5904\u7406\u5305\u542b net.conn \u7c7b\u578b\u503c\u7684 map \u65f6\uff0c\u6709\u5fc5\u8981\u5224\u65ad\u53d8\u91cf\u7c7b\u578b\u624d\u80fd\u6b63\u786e\u5730\u8bbf\u95ee\u5176\u65b9\u6cd5\u548c\u5c5e\u6027\u3002,
\n\u95ee\u9898\u63cf\u8ff0\uff1a<\/strong>,\u5047\u8bbe\u6709\u4e00\u4e2a []map[string]interface{} \u7c7b\u578b\u7684\u53d8\u91cf\uff0c\u5b83\u5305\u542b\u4e00\u4e2a\u5ba2\u6237\u7aef\u5217\u8868\u3002\u6bcf\u4e2a\u5ba2\u6237\u7aef\u90fd\u6709\u4e00\u4e2a client[“conn”] \u5143\u7d20\uff0c\u5176\u4e2d\u5b58\u50a8\u7740 net.conn \u7c7b\u578b\u7684\u53d8\u91cf\u3002\u4e3a\u4e86\u7ed9\u6bcf\u4e2a conn \u53d1\u9001\u6d88\u606f\uff0c\u9700\u8981\u786e\u5b9a\u53d8\u91cf\u7684\u7c7b\u578b\u3002,
\n\u89e3\u51b3\u65b9\u6cd5\uff1a<\/strong>,\u4f7f\u7528\u7c7b\u578b\u65ad\u8a00\u8bed\u6cd5\u6765\u786e\u5b9a\u53d8\u91cf\u7684\u7c7b\u578b\u3002\u7c7b\u578b\u65ad\u8a00\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u8d4b\u503c\u64cd\u4f5c\uff0c\u5b83\u68c0\u67e5\u53d8\u91cf\u662f\u5426\u5c5e\u4e8e\u7279\u5b9a\u7684\u7c7b\u578b\uff0c\u5982\u679c\u662f\uff0c\u5219\u5c06\u53d8\u91cf\u5f3a\u5236\u8f6c\u6362\u4e3a\u8be5\u7c7b\u578b\u3002,\u4ee3\u7801\u793a\u4f8b\uff1a,\u8fd9\u79cd\u8bed\u6cd5\u7684\u5de5\u4f5c\u539f\u7406\u5982\u4e0b\uff1a,\u5728\u7c7b\u578b\u8f6c\u6362\u6210\u529f\u7684\u60c5\u51b5\u4e0b\uff0cconn \u5c06\u5305\u542b\u5ba2\u6237\u7aef\u7684 net.tcpconn \u7c7b\u578b\u53d8\u91cf\u3002\u5c31\u53ef\u4ee5\u4f7f\u7528 conn \u6765\u53d1\u9001\u6d88\u606f\u3002,\u6ce8\u610f\uff1a\u8fd9\u79cd\u65b9\u6cd5\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5176\u4ed6\u7c7b\u578b\u7684\u65ad\u8a00\uff0c\u5982
\nnet.unixconn\u3001<\/em>net.udpconn \u7b49\u3002,\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5982\u4f55\u5728 Go \u8bed\u8a00\u4e2d\u5224\u65ad map \u4e2d net.Conn \u7c7b\u578b\u53d8\u91cf\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGOLANG\u77e5\u8bc6\uff01,(
\nnet.tcpconn) \u5c06 m[“conn”] \u7684\u503c\u5f3a\u5236\u8f6c\u6362\u4e3a <\/em>net.tcpconn \u7c7b\u578b\u3002,m[“conn”] \u4ece map \u4e2d\u83b7\u53d6 “conn” \u5143\u7d20\u3002,ok \u662f\u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u6307\u793a\u8f6c\u6362\u662f\u5426\u6210\u529f\u3002\u5982\u679c m[“conn”] \u5b9e\u9645\u4e0a\u662f *net.tcpconn \u7c7b\u578b\uff0c\u5219 ok \u4e3a true\u3002,\u5982\u4f55\u5224\u65ad map \u4e2d net.conn \u7c7b\u578b\u53d8\u91cf,\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60
\nGOLANG<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587
\n\u300a\u5982\u4f55\u5728 Go \u8bed\u8a00\u4e2d\u5224\u65ad map \u4e2d net.Conn \u7c7b\u578b\u53d8\u91cf\uff1f\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0
\nGOLANG<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u5728 Go \u8bed\u8a00\u4e2d\u5224\u65ad map \u4e2d net.Conn \u7c7b\u578b\u53d8\u91cf\uff1f<\/span><\/p>\n

\u5982\u4f55\u5728 Go \u8bed\u8a00\u4e2d\u5224\u65ad map \u4e2d net.Conn \u7c7b\u578b\u53d8\u91cf\uff1f<\/h1>\n

2024-11-09 13:00:55<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60GOLANG<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587\u300a\u5982\u4f55\u5728 Go \u8bed\u8a00\u4e2d\u5224\u65ad map \u4e2d net.Conn \u7c7b\u578b\u53d8\u91cf\uff1f\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0GOLANG<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n

<\/p>\n

\u5982\u4f55\u5224\u65ad map \u4e2d net.conn \u7c7b\u578b\u53d8\u91cf<\/strong><\/p>\n

\u5728 go \u8bed\u8a00\u4e2d\uff0cmap \u7684\u503c\u53ef\u4ee5\u5b58\u50a8\u4efb\u610f\u7c7b\u578b\u3002\u5728\u5904\u7406\u5305\u542b net.conn \u7c7b\u578b\u503c\u7684 map \u65f6\uff0c\u6709\u5fc5\u8981\u5224\u65ad\u53d8\u91cf\u7c7b\u578b\u624d\u80fd\u6b63\u786e\u5730\u8bbf\u95ee\u5176\u65b9\u6cd5\u548c\u5c5e\u6027\u3002<\/p>\n

\u95ee\u9898\u63cf\u8ff0\uff1a<\/strong><\/p>\n

\u5047\u8bbe\u6709\u4e00\u4e2a []map[string]interface{} \u7c7b\u578b\u7684\u53d8\u91cf\uff0c\u5b83\u5305\u542b\u4e00\u4e2a\u5ba2\u6237\u7aef\u5217\u8868\u3002\u6bcf\u4e2a\u5ba2\u6237\u7aef\u90fd\u6709\u4e00\u4e2a client[“conn”] \u5143\u7d20\uff0c\u5176\u4e2d\u5b58\u50a8\u7740 net.conn \u7c7b\u578b\u7684\u53d8\u91cf\u3002\u4e3a\u4e86\u7ed9\u6bcf\u4e2a conn \u53d1\u9001\u6d88\u606f\uff0c\u9700\u8981\u786e\u5b9a\u53d8\u91cf\u7684\u7c7b\u578b\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6cd5\uff1a<\/strong><\/p>\n

\u4f7f\u7528\u7c7b\u578b\u65ad\u8a00\u8bed\u6cd5\u6765\u786e\u5b9a\u53d8\u91cf\u7684\u7c7b\u578b\u3002\u7c7b\u578b\u65ad\u8a00\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u8d4b\u503c\u64cd\u4f5c\uff0c\u5b83\u68c0\u67e5\u53d8\u91cf\u662f\u5426\u5c5e\u4e8e\u7279\u5b9a\u7684\u7c7b\u578b\uff0c\u5982\u679c\u662f\uff0c\u5219\u5c06\u53d8\u91cf\u5f3a\u5236\u8f6c\u6362\u4e3a\u8be5\u7c7b\u578b\u3002<\/p>\n

\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n

if conn, ok := m[\"conn\"].(*net.TCPConn); ok {\n   \/\/ do something with conn\n}<\/pre>\n
\u8fd9\u79cd\u8bed\u6cd5\u7684\u5de5\u4f5c\u539f\u7406\u5982\u4e0b\uff1a<\/p>\n
    \n
  • m[“conn”] \u4ece map \u4e2d\u83b7\u53d6 “conn” \u5143\u7d20\u3002<\/li>\n
  • (net.tcpconn) \u5c06 m[“conn”] \u7684\u503c\u5f3a\u5236\u8f6c\u6362\u4e3a <\/em>net.tcpconn \u7c7b\u578b\u3002<\/li>\n
  • ok \u662f\u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u6307\u793a\u8f6c\u6362\u662f\u5426\u6210\u529f\u3002\u5982\u679c m[“conn”] \u5b9e\u9645\u4e0a\u662f *net.tcpconn \u7c7b\u578b\uff0c\u5219 ok \u4e3a true\u3002<\/li>\n<\/ul>\n
    \u5728\u7c7b\u578b\u8f6c\u6362\u6210\u529f\u7684\u60c5\u51b5\u4e0b\uff0cconn \u5c06\u5305\u542b\u5ba2\u6237\u7aef\u7684 net.tcpconn \u7c7b\u578b\u53d8\u91cf\u3002\u5c31\u53ef\u4ee5\u4f7f\u7528 conn \u6765\u53d1\u9001\u6d88\u606f\u3002<\/p>\n
    \u6ce8\u610f\uff1a\u8fd9\u79cd\u65b9\u6cd5\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5176\u4ed6\u7c7b\u578b\u7684\u65ad\u8a00\uff0c\u5982 net.unixconn\u3001<\/em>net.udpconn \u7b49\u3002<\/p>\n
    \u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5982\u4f55\u5728 Go \u8bed\u8a00\u4e2d\u5224\u65ad map \u4e2d net.Conn \u7c7b\u578b\u53d8\u91cf\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGOLANG\u77e5\u8bc6\uff01<\/p>\n
    \n
    \n <\/dt>\n
    \n   Go \u51fd\u6570\u4e2d\uff0c\u4e3a\u4ec0\u4e48\u6709\u65f6\u76f4\u63a5\u4f7f\u7528 return \u800c\u4e0d\u8fd4\u56de\u53d8\u91cf\uff1f\n <\/dd>\n<\/dl>\n
    \n
    \n <\/dt>\n
    \n   Java\u4e2dadd(int, int)\u548cadd(Integer, Integer)\u65b9\u6cd5\uff1a\u7a76\u7adf\u7b97\u4e0d\u7b97\u91cd\u8f7d\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    \u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5...<\/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-206315","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206315","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=206315"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206315\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}