{"id":44310,"date":"2023-06-10T16:28:21","date_gmt":"2023-12-14T04:19:48","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%ac%ac%e4%b8%80%e6%ac%a1%e4%bd%bf%e7%94%a8golang%e5%8a%a0%e4%b8%8awebsocket%e3%80%82\/"},"modified":"2024-04-30T08:12:50","modified_gmt":"2024-04-30T00:12:50","slug":"%e7%ac%ac%e4%b8%80%e6%ac%a1%e4%bd%bf%e7%94%a8golang%e5%8a%a0%e4%b8%8awebsocket%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%ac%ac%e4%b8%80%e6%ac%a1%e4%bd%bf%e7%94%a8golang%e5%8a%a0%e4%b8%8awebsocket%e3%80%82\/","title":{"rendered":"\u7b2c\u4e00\u6b21\u4f7f\u7528Golang\u52a0\u4e0aWebSocket"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u8fd9\u6b21\u6211\u6253\u7b97\u4f7f\u7528Golang\u548cWebSocket\u6765\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u6d88\u606f\u4f20\u9001\u670d\u52a1\uff0c\u987a\u5e26\u4f5c\u4e3a\u5907\u5fd8\u5f55\u548c\u4fe1\u606f\u5171\u4eab\u7684\u521d\u6b21\u6587\u7ae0\u3002<\/p>\n

\u7531\u4e8e\u6ca1\u6709\u592a\u6df1\u5965\u7684\u8bdd\u9898\uff0c\u6240\u4ee5\u6211\u8fd8\u662f\u4e2aGolanger\u65b0\u624b\u3002\u4f46\u662f\u6211\u60f3\u8bf4\u7684\u662f\uff0c\u6211\u6bcf\u5929\u90fd\u56e0\u4e3a\u6e34\u671b\u7528Golang\u7f16\u5199WebSocket\u670d\u52a1\u5668\u800c\u65e0\u6cd5\u5165\u7720\uff0c\u6240\u4ee5\u8fd9\u53e5\u8bdd\u9002\u7528\u4e8e\u90a3\u4e9b\u5904\u4e8e\u76f8\u540c\u60c5\u51b5\u7684\u4eba\u3002<\/p>\n

\u6837\u672c\u4ee3\u7801 m\u01ce)<\/h1>\n

\u53d1\u9001\u6d88\u606f\u540e\uff0c\u8be5\u670d\u52a1\u5c06\u4ece\u670d\u52a1\u5668\u8fd4\u56de\u4e00\u6761\u6d88\u606f\u3002\u8fd9\u662f\u4e00\u4e2a\u94fe\u63a5\u5730\u5740\uff1ahttps:\/\/github.com\/nekozuki-dev\/go-websocket-sample\u3002<\/p>\n

\u901a\u4fe1\u6570\u636e\u683c\u5f0f<\/h1>\n

\u9996\u5148\u6211\u4eec\u6765\u786e\u5b9a\u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u683c\u5f0f\u3002
\n\u8fd9\u6b21\u6211\u4eec\u5c06\u91c7\u7528\u6613\u4e8e\u5904\u7406\u4e14\u4ee3\u7801\u7b80\u6d01\u7684JSON\u683c\u5f0f\u3002
\n\u5728id\u4e2d\u653e\u5165\u6d88\u606f\u7684\u8bc6\u522bID\uff0c\u5728body\u4e2d\u653e\u5165\u6570\u636e\u4e3b\u4f53\uff0c\u4ee5\u4fbf\u5728\u63a5\u6536\u65f6\u77e5\u9053\u5e94\u8be5\u8c03\u7528\u54ea\u4e2a\u5904\u7406\u51fd\u6570\u3002<\/p>\n

{<\/span> \"id\"<\/span>:<\/span>\"\"<\/span>,<\/span> \"body\"<\/span>:<\/span>\"\"<\/span> }<\/span>\r\n<\/code><\/pre>\n
\u5728\u8fdb\u884c\u6b63\u5f0f\u7684\u5f00\u53d1\u65f6\uff0c\u8003\u8651\u5c06\u6d41\u5316\u548c\u5206\u5757\u5316\u7ed3\u5408\u8d77\u6765\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u8282\u6570\u7ec4\uff0c\u5728\u524d4\u4e2a\u5b57\u8282\u4e2d\u653e\u5165\u7528\u4e8e\u8bc6\u522b\u7684ID\u548c\u6570\u636e\u5927\u5c0f\u3002<\/p>\n
\n
MSGIDBODY SIZEBODY BYTES2 bytes2 bytesn bytes\u8b58\u5225ID\u30c7\u30fc\u30bf\u672c\u4f53\u306e\u9577\u3055\u30c7\u30fc\u30bf\u672c\u4f53<\/div>\n<\/div>\n
\u6b64\u5916\uff0c\u5982\u679c\u6700\u5f00\u59cb\u4f7f\u7528JSON…\u4f46\u4e4b\u540e\u60f3\u8981\u66f4\u52a0\u4e13\u6ce8\uff01\u7684\u8bdd\uff0c\u5c06\u8d1f\u8d23\u7f16\u7801\u7684\u90e8\u5206\u8fdb\u884c\u62bd\u8c61\u5316\u4f1a\u66f4\u5bb9\u6613\u5b9e\u73b0\u5207\u6362\uff0c\u8fd9\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002<\/p>\n
\u8f6f\u4ef6\u5305\u67b6\u6784<\/h1>\n
\u6211\u5c1d\u8bd5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\u6765\u6784\u5efa\u672c\u6b21\u5f00\u53d1\u7684\u670d\u52a1\u7684\u5305\u7ed3\u6784\u3002
\n\u5c3d\u91cf\u4f7f\u5176\u6241\u5e73\u5316\uff0c\u4f46\u5728\u5f00\u53d1\u4e2d\u5230\u5927\u578b\u9879\u76ee\u65f6\uff0c\u6700\u597d\u4f7f\u7528\u67d0\u79cd\u4f53\u7cfb\u7ed3\u6784\u3002
\n\u7531\u4e8eGolang\u5bf9\u5faa\u73af\u5f15\u7528\u5f88\u654f\u611f\uff0c\u6240\u4ee5\u6211\u4eec\u8981\u6ce8\u610f\u4f9d\u8d56\u5173\u7cfb\u7684\u5355\u5411\u6027\uff0c\u5373external \u2192 app\u3002
\n\u8fd9\u6837\u5728\u9605\u8bfb\u65f6\uff0c\u987a\u5e8f\u4e3amain \u2192 external \u2192 app\uff0c\u66f4\u6613\u4e8e\u9605\u8bfb\uff0c\u771f\u662f\u4ee4\u4eba\u6109\u5feb\u7684\u4e8b\u60c5\u3002<\/p>\n
.\r\n\u251c\u2500\u2500 app\r\n\u2502   \u251c\u2500\u2500 conn.go\r\n\u2502   \u251c\u2500\u2500 handlers.go\r\n\u2502   \u251c\u2500\u2500 packet.go\r\n\u2502   \u2514\u2500\u2500 user.go\r\n\u251c\u2500\u2500 external\r\n\u2502   \u251c\u2500\u2500 wsservice\r\n\u2502   \u2502   \u251c\u2500\u2500 conn.go\r\n\u2502   \u2502   \u2514\u2500\u2500 listener.go\r\n\u2502   \u2514\u2500\u2500 router.go\r\n\u2514\u2500\u2500 main.go\r\n<\/code><\/pre>\n
\u8bb2\u89e3<\/h1>\n
\u6211\u5c06\u4ece\u6bcf\u4e2a\u6e90\u4ee3\u7801\u4e2d\u63d0\u53d6\u7247\u6bb5\u5e76\u8fdb\u884c\u89e3\u91ca\u3002<\/p>\n
wsservice.Listenner (WebSocket \u670d\u52a1\u76d1\u542c\u5668)<\/h2>\n
\u7ba1\u7406\u8fde\u63a5\/\u65ad\u5f00\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\uff0c\u5e76\u8c03\u7528\u56de\u8c03\u51fd\u6570\u7684\u89d2\u8272\u7531HogeAsync\u62c5\u4efb\u3002\u4f5c\u4e3a\u4e2a\u4eba\u89c4\u5219\uff0c\u9700\u8981\u8fdb\u884c\u4e92\u65a5\u5904\u7406\u7684\u53d8\u91cf\u88ab\u5305\u542b\u5728HogeAsync\u4e2d\u5e76\u5d4c\u5165\u5230Hoge\u4e2d\uff0c\u4ee5\u4fbf\u66f4\u5bb9\u6613\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n
type<\/span> AcceptHandler<\/span> func<\/span>(<\/span>Conn<\/span>)<\/span>\r\ntype<\/span> CloseHandler<\/span> func<\/span>(<\/span>Conn<\/span>)<\/span>\r\n\r\ntype<\/span> Listener<\/span> interface<\/span> {<\/span>\r\n    Run<\/span>()<\/span>\r\n    RegisterAcceptHandler<\/span>(<\/span>AcceptHandler<\/span>)<\/span>\r\n    RegisterCloseHandler<\/span>(<\/span>CloseHandler<\/span>)<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5728Run\u51fd\u6570\u4e2d\uff0c\u5f00\u59cb\u63a5\u53d7\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u3002
\n\u5f53\u6709\u8fde\u63a5\u5230\u6765\u65f6\uff0c\u901a\u8fc7http.HandleFunc(“\/ws”, lis.handleConnection)\u8c03\u7528handleConnection\u51fd\u6570\u3002<\/p>\n
func<\/span> (<\/span>lis<\/span> *<\/span>listener<\/span>)<\/span> Run<\/span>()<\/span> {<\/span>\r\n    http<\/span>.<\/span>HandleFunc<\/span>(<\/span>\"\/ws\"<\/span>,<\/span> lis<\/span>.<\/span>handleConnection<\/span>)<\/span>\r\n\r\n    servAddr<\/span> :=<\/span> fmt<\/span>.<\/span>Sprintf<\/span>(<\/span>\":%d\"<\/span>,<\/span> lis<\/span>.<\/span>port<\/span>)<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>\"BeginListener\"<\/span>,<\/span> servAddr<\/span>)<\/span>\r\n    if<\/span> err<\/span> :=<\/span> http<\/span>.<\/span>ListenAndServe<\/span>(<\/span>servAddr<\/span>,<\/span> nil<\/span>);<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        panic<\/span>(<\/span>err<\/span>)<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
func<\/span> (<\/span>lis<\/span> *<\/span>listener<\/span>)<\/span> handleConnection<\/span>(<\/span>w<\/span> http<\/span>.<\/span>ResponseWriter<\/span>,<\/span> r<\/span> *<\/span>http<\/span>.<\/span>Request<\/span>)<\/span> {<\/span>\r\n    ws<\/span>,<\/span> err<\/span> :=<\/span> lis<\/span>.<\/span>upgrader<\/span>.<\/span>Upgrade<\/span>(<\/span>w<\/span>,<\/span> r<\/span>,<\/span> nil<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>\"Error\"<\/span>,<\/span> err<\/span>.<\/span>Error<\/span>())<\/span>\r\n        return<\/span>\r\n    }<\/span>\r\n    defer<\/span> lis<\/span>.<\/span>closeConnection<\/span>(<\/span>ws<\/span>)<\/span>\r\n\r\n    addr<\/span> :=<\/span> ws<\/span>.<\/span>RemoteAddr<\/span>()<\/span>.<\/span>String<\/span>()<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>\"NewConnection\"<\/span>,<\/span> addr<\/span>)<\/span>\r\n\r\n    c<\/span> :=<\/span> NewConn<\/span>(<\/span>ws<\/span>)<\/span>\r\n    lis<\/span>.<\/span>m<\/span>.<\/span>Lock<\/span>()<\/span>\r\n    lis<\/span>.<\/span>conns<\/span>[<\/span>ws<\/span>]<\/span> =<\/span> c<\/span>\r\n    lis<\/span>.<\/span>m<\/span>.<\/span>Unlock<\/span>()<\/span>\r\n\r\n    if<\/span> lis<\/span>.<\/span>acceptHandler<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        lis<\/span>.<\/span>acceptHandler<\/span>(<\/span>c<\/span>)<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
wsservice\u8fde\u63a5<\/h2>\n
WebSocket.Conn\u7684\u5c01\u88c5\u5668\uff0c\u8d1f\u8d23\u8fdb\u884c\u6d88\u606f\u7684\u6536\u53d1\u548cWebSocket\u72b6\u6001\u7684\u7ba1\u7406\u3002<\/p>\n
type<\/span> Conn<\/span> interface<\/span> {<\/span>\r\n    Run<\/span>(<\/span>readCh<\/span> chan<\/span> []<\/span>byte<\/span>,<\/span> closeCh<\/span> chan<\/span> bool<\/span>)<\/span>\r\n    Write<\/span>([]<\/span>byte<\/span>)<\/span>\r\n    Close<\/span>()<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u542f\u52a8\u4e00\u4e2a\u53ef\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u7684 Goroutine\uff0c\u5e76\u7b49\u5f85\u5176\u88ab\u65ad\u5f00\u8fde\u63a5\u3002
\n\u901a\u8fc7\u4f7f\u7528 sync.WaitGroup\uff0c\u786e\u4fdd\u6240\u6709\u7684 Goroutine \u7ed3\u675f\u540e\u518d\u9000\u51fa\u51fd\u6570\u3002<\/p>\n
func<\/span> (<\/span>c<\/span> *<\/span>conn<\/span>)<\/span> Run<\/span>(<\/span>readCh<\/span> chan<\/span> []<\/span>byte<\/span>,<\/span> closeCh<\/span> chan<\/span> bool<\/span>)<\/span> {<\/span>\r\n    c<\/span>.<\/span>wg<\/span> =<\/span> &<\/span>sync<\/span>.<\/span>WaitGroup<\/span>{}<\/span>\r\n    c<\/span>.<\/span>writeCh<\/span> =<\/span> make<\/span>(<\/span>chan<\/span> []<\/span>byte<\/span>)<\/span>\r\n\r\n    \/\/ Wait Read Goroutine<\/span>\r\n    errCh<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> error<\/span>)<\/span>\r\n    c<\/span>.<\/span>wg<\/span>.<\/span>Add<\/span>(<\/span>1<\/span>)<\/span>\r\n    go<\/span> c<\/span>.<\/span>waitRead<\/span>(<\/span>readCh<\/span>,<\/span> errCh<\/span>)<\/span>\r\n\r\n    \/\/ Wait Write Groutine<\/span>\r\n    c<\/span>.<\/span>wg<\/span>.<\/span>Add<\/span>(<\/span>1<\/span>)<\/span>\r\n    go<\/span> c<\/span>.<\/span>waitWrite<\/span>()<\/span>\r\n\r\n    \/\/ Process<\/span>\r\n    for<\/span> {<\/span>\r\n        select<\/span> {<\/span>\r\n        case<\/span> <-<\/span>errCh<\/span>:<\/span>\r\n            close<\/span>(<\/span>c<\/span>.<\/span>writeCh<\/span>)<\/span>\r\n            c<\/span>.<\/span>wg<\/span>.<\/span>Wait<\/span>()<\/span>\r\n\r\n            close<\/span>(<\/span>closeCh<\/span>)<\/span>\r\n            return<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5f53\u53d1\u751f\u9519\u8bef\u65f6\uff0c\u901a\u8fc7Read\/Write\u64cd\u4f5c\uff0c\u6211\u4eec\u4f1a\u5173\u95edSocket\u3002<\/p>\n
\u901a\u8fc7\u5c06\u503c\u53d1\u9001\u5230WriteChanel\uff0c\u53ef\u4ee5\u4f7fWrite\u64cd\u4f5c\u5728\u63a5\u6536\u5230\u503c\u65f6\u8fd0\u884c\uff0c\u4ee5\u9632\u6b62\u5904\u7406\u8fc7\u7a0b\u88ab\u963b\u585e\u3002<\/p>\n
func<\/span> (<\/span>c<\/span> *<\/span>conn<\/span>)<\/span> waitWrite<\/span>()<\/span> {<\/span>\r\n    defer<\/span> c<\/span>.<\/span>wg<\/span>.<\/span>Done<\/span>()<\/span>\r\n\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>\"Begin WaitWrite Goroutine.\"<\/span>)<\/span>\r\n    for<\/span> bytes<\/span> :=<\/span> range<\/span> c<\/span>.<\/span>writeCh<\/span> {<\/span>\r\n        if<\/span> err<\/span> :=<\/span> c<\/span>.<\/span>ws<\/span>.<\/span>WriteMessage<\/span>(<\/span>websocket<\/span>.<\/span>TextMessage<\/span>,<\/span> bytes<\/span>);<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n            fmt<\/span>.<\/span>Println<\/span>(<\/span>\"Error\"<\/span>,<\/span> err<\/span>)<\/span>\r\n            break<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n    c<\/span>.<\/span>Close<\/span>()<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>\"End WaitWrite Goroutine.\"<\/span>)<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> (<\/span>c<\/span> *<\/span>conn<\/span>)<\/span> waitRead<\/span>(<\/span>readCh<\/span> chan<\/span> []<\/span>byte<\/span>,<\/span> errCh<\/span> chan<\/span> error<\/span>)<\/span> {<\/span>\r\n    defer<\/span> c<\/span>.<\/span>wg<\/span>.<\/span>Done<\/span>()<\/span>\r\n\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>\"Begin WaitRead Goroutine.\"<\/span>)<\/span>\r\n    for<\/span> {<\/span>\r\n        _<\/span>,<\/span> readBytes<\/span>,<\/span> err<\/span> :=<\/span> c<\/span>.<\/span>ws<\/span>.<\/span>ReadMessage<\/span>()<\/span>\r\n        if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n            errCh<\/span> <-<\/span> err<\/span>\r\n            break<\/span>\r\n        }<\/span>\r\n        readCh<\/span> <-<\/span> readBytes<\/span>\r\n    }<\/span>\r\n    c<\/span>.<\/span>Close<\/span>()<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>\"End WaitRead Goroutine.\"<\/span>)<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u5916\u90e8\u8def\u7531\u5668 q\u00ec)<\/h3>\n
\u8fd9\u4e2a\u5e94\u7528\u662f\u7528\u6237\u7684\u5165\u53e3\uff0c\u5e76\u4e14\u5728\u8fde\u63a5\u65f6\u8fd8\u8d1f\u8d23\u521b\u5efa\u7528\u6237\u3002<\/p>\n
type<\/span> Router<\/span> interface<\/span> {<\/span>\r\n    Run<\/span>(<\/span>port<\/span> int<\/span>)<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
func<\/span> (<\/span>r<\/span> *<\/span>router<\/span>)<\/span> Run<\/span>(<\/span>port<\/span> int<\/span>)<\/span> {<\/span>\r\n    wsListener<\/span> :=<\/span> wsservice<\/span>.<\/span>NewListener<\/span>(<\/span>port<\/span>)<\/span>\r\n    wsListener<\/span>.<\/span>RegisterAcceptHandler<\/span>(<\/span>r<\/span>.<\/span>OnAccept<\/span>)<\/span>\r\n    wsListener<\/span>.<\/span>RegisterCloseHandler<\/span>(<\/span>r<\/span>.<\/span>OnClose<\/span>)<\/span>\r\n    wsListener<\/span>.<\/span>Run<\/span>()<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> (<\/span>r<\/span> *<\/span>router<\/span>)<\/span> OnAccept<\/span>(<\/span>c<\/span> wsservice<\/span>.<\/span>Conn<\/span>)<\/span> {<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>\"OnAccept\"<\/span>)<\/span>\r\n    u<\/span> :=<\/span> app<\/span>.<\/span>NewUser<\/span>(<\/span>c<\/span>)<\/span>\r\n    u<\/span>.<\/span>Run<\/span>()<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> (<\/span>r<\/span> *<\/span>router<\/span>)<\/span> OnClose<\/span>(<\/span>c<\/span> wsservice<\/span>.<\/span>Conn<\/span>)<\/span> {<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>\"OnClose\"<\/span>)<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5e94\u7528\u7a0b\u5e8f\u7684\u7528\u6237<\/h3>\n
\u8fd9\u91cc\u4f1a\u63cf\u8ff0\u4e0e\u5ba2\u6237\u7aef\u7684\u901a\u4fe1\u4ee5\u53ca\u63a5\u6536\u65f6\u7684\u5904\u7406\u3002
\n\u5728\u5185\u90e8\uff0c\u6211\u4eec\u6709\u5c06wsservice.Conn\u63a5\u53e3\u5316\u4e3aapp.Conn\uff0c\u5e76\u5728\u5b9e\u9645\u901a\u4fe1\u65f6\u4f7f\u7528\u5b83\u3002
\n\u901a\u8fc7\u4e0d\u76f4\u63a5\u4f7f\u7528wsservice.Conn\uff0c\u5c06\u4f9d\u8d56\u5173\u7cfb\u8bbe\u7f6e\u4e3a\u5355\u5411\u7684\u5916\u90e8 -> app\u3002<\/p>\n
type<\/span> User<\/span> interface<\/span> {<\/span>\r\n    Run<\/span>()<\/span>\r\n    Write<\/span>(<\/span>msgid<\/span> uint16<\/span>,<\/span> body<\/span> interface<\/span>{})<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5f53\u5411wsservice.Conn\u4f20\u9012\u7684\u7528\u4e8e\u63a5\u6536\u7684\u4fe1\u9053\u6536\u5230\u6570\u503c\u540e\uff0c\u8c03\u7528\u4e86doHandler\u3002
\n\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679c\u5728select\u5185\u6ca1\u6709\u8bbe\u7f6edefault\uff0c\u6b64\u5904\u7684\u5904\u7406\u5c06\u88ab\u963b\u585e\uff0c\u56e0\u6b64\u5982\u679c\u5e0c\u671b\u5728for\u5faa\u73af\u5185\u6267\u884c\u5404\u79cd\u5904\u7406\u7b49\uff0c\u52a1\u5fc5\u8981\u52a0\u4e0adefault\u3002<\/p>\n
func<\/span> (<\/span>u<\/span> *<\/span>user<\/span>)<\/span> Run<\/span>()<\/span> {<\/span>\r\n    u<\/span>.<\/span>msgHandlers<\/span>.<\/span>Register<\/span>(<\/span>1<\/span>,<\/span> u<\/span>.<\/span>handleMessage<\/span>)<\/span>\r\n\r\n    readCh<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> []<\/span>byte<\/span>)<\/span>\r\n    closeCh<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> bool<\/span>)<\/span>\r\n\r\n    go<\/span> u<\/span>.<\/span>conn<\/span>.<\/span>Run<\/span>(<\/span>readCh<\/span>,<\/span> closeCh<\/span>)<\/span>\r\n\r\n    for<\/span> {<\/span>\r\n        select<\/span> {<\/span>\r\n        case<\/span> bytes<\/span> :=<\/span> <-<\/span>readCh<\/span>:<\/span>\r\n            u<\/span>.<\/span>doHandler<\/span>(<\/span>bytes<\/span>)<\/span>\r\n\r\n        case<\/span> <-<\/span>closeCh<\/span>:<\/span>\r\n            fmt<\/span>.<\/span>Println<\/span>(<\/span>\"CloseUser\"<\/span>)<\/span>\r\n            return<\/span>\r\n        default<\/span>:<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5728\u6570\u636e\u53d1\u9001\u65f6\uff0c\u6211\u4eec\u4f7f\u7528json.Marshal\u5c06`struct`\u8f6c\u6362\u4e3a\u5b57\u8282\u6570\u7ec4\uff0c\u7136\u540e\u5c06\u5176\u4f20\u9012\u7ed9`wsservice.Conn`\u7684`Write`\u51fd\u6570\u3002<\/p>\n
func<\/span> (<\/span>u<\/span> *<\/span>user<\/span>)<\/span> Write<\/span>(<\/span>msgid<\/span> uint16<\/span>,<\/span> body<\/span> interface<\/span>{})<\/span> {<\/span>\r\n    packet<\/span> :=<\/span> &<\/span>Packet<\/span>{<\/span>\r\n        ID<\/span>:<\/span>   msgid<\/span>,<\/span>\r\n        Body<\/span>:<\/span> body<\/span>,<\/span>\r\n    }<\/span>\r\n    bytes<\/span>,<\/span> err<\/span> :=<\/span> json<\/span>.<\/span>Marshal<\/span>(<\/span>packet<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        u<\/span>.<\/span>conn<\/span>.<\/span>Close<\/span>()<\/span>\r\n        return<\/span>\r\n    }<\/span>\r\n    u<\/span>.<\/span>conn<\/span>.<\/span>Write<\/span>(<\/span>bytes<\/span>)<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5982\u679c\u63a5\u6536\u5230\u6570\u636e\uff0c\u5c06\u5b57\u8282\u6570\u7ec4\u8f6c\u6362\u4e3a\u6570\u636e\u5305\uff0c\u5e76\u63d0\u53d6\u51fa\u8bc6\u522bID\u548c\u6570\u636e\u4e3b\u4f53\u3002
\n\u7136\u540e\uff0c\u4ece\u6d88\u606f\u5904\u7406\u7a0b\u5e8f\u4e2d\u83b7\u53d6\u56de\u8c03\u5e76\u8fdb\u884c\u8c03\u7528\u3002
\nhandleMessage\u51fd\u6570\u5c06\u63d0\u4f9b\u7684\u6570\u636e\u4e3b\u4f53\u8f6c\u6362\u4e3a\u53ef\u7528\u7684\u6570\u636e\u5305\u3002<\/p>\n
\u8fd9\u6b21\u4f7f\u7528\u4e86\u4e0b\u8ff0\u7684\u5305\u3002
\nmapstructure\uff1agithub.com\/mitchellh\/mapstructure<\/p>\n
func<\/span> (<\/span>u<\/span> *<\/span>user<\/span>)<\/span> doHandler<\/span>(<\/span>bytes<\/span> []<\/span>byte<\/span>)<\/span> error<\/span> {<\/span>\r\n    packet<\/span> :=<\/span> &<\/span>Packet<\/span>{}<\/span>\r\n    if<\/span> err<\/span> :=<\/span> json<\/span>.<\/span>Unmarshal<\/span>(<\/span>bytes<\/span>,<\/span> packet<\/span>);<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        return<\/span> err<\/span>\r\n    }<\/span>\r\n\r\n    handler<\/span> :=<\/span> u<\/span>.<\/span>msgHandlers<\/span>.<\/span>Get<\/span>(<\/span>packet<\/span>.<\/span>ID<\/span>)<\/span>\r\n    if<\/span> handler<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        handler<\/span>(<\/span>packet<\/span>.<\/span>Body<\/span>)<\/span>\r\n    }<\/span>\r\n    return<\/span> nil<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> (<\/span>u<\/span> *<\/span>user<\/span>)<\/span> handleMessage<\/span>(<\/span>body<\/span> interface<\/span>{})<\/span> {<\/span>\r\n    req<\/span> :=<\/span> &<\/span>MessagePacket<\/span>{}<\/span>\r\n    if<\/span> err<\/span> :=<\/span> mapstructure<\/span>.<\/span>Decode<\/span>(<\/span>body<\/span>,<\/span> req<\/span>);<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>err<\/span>.<\/span>Error<\/span>())<\/span>\r\n        return<\/span>\r\n    }<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>req<\/span>.<\/span>Msg<\/span>)<\/span>\r\n\r\n    res<\/span> :=<\/span> &<\/span>MessagePacket<\/span>{<\/span>\r\n        Msg<\/span>:<\/span> \"\u3070\u306a\u306a\u3092\u3042\u3052\u308b\"<\/span>,<\/span>\r\n    }<\/span>\r\n    u<\/span>.<\/span>Write<\/span>(<\/span>1<\/span>,<\/span> res<\/span>)<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u5e94\u7528\u7a0b\u5e8f\u5904\u7406\u5668<\/h3>\n
\u4ee5\u4e2d\u56fd\u54e5\u7279\u5b57\u4e3a\u952e\u7684\u6620\u5c04\u5c06\u88ab\u7528\u6765\u7ba1\u7406\u63a5\u6536\u6570\u636e\u7684\u8bc6\u522bID\u548c\u56de\u8c03\u51fd\u6570\u7684\u6ce8\u518c\u3002<\/p>\n
type<\/span> MessageHandleFunc<\/span> func<\/span>(<\/span>interface<\/span>{})<\/span>\r\n\r\ntype<\/span> MessageHandlers<\/span> interface<\/span> {<\/span>\r\n    Get<\/span>(<\/span>msgid<\/span> uint16<\/span>)<\/span> MessageHandleFunc<\/span>\r\n    Register<\/span>(<\/span>msgid<\/span> uint16<\/span>,<\/span> handler<\/span> MessageHandleFunc<\/span>)<\/span>\r\n    Unregister<\/span>(<\/span>msgid<\/span> uint16<\/span>)<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> NewMessageHandlers<\/span>()<\/span> MessageHandlers<\/span> {<\/span>\r\n    return<\/span> &<\/span>messageHandlers<\/span>{<\/span>\r\n        handlers<\/span>:<\/span> make<\/span>(<\/span>map<\/span>[<\/span>uint16<\/span>]<\/span>MessageHandleFunc<\/span>),<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> messageHandlers<\/span> struct<\/span> {<\/span>\r\n    handlers<\/span> map<\/span>[<\/span>uint16<\/span>]<\/span>MessageHandleFunc<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> (<\/span>m<\/span> *<\/span>messageHandlers<\/span>)<\/span> Get<\/span>(<\/span>msgid<\/span> uint16<\/span>)<\/span> MessageHandleFunc<\/span> {<\/span>\r\n    return<\/span> m<\/span>.<\/span>handlers<\/span>[<\/span>msgid<\/span>]<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> (<\/span>m<\/span> *<\/span>messageHandlers<\/span>)<\/span> Register<\/span>(<\/span>msgid<\/span> uint16<\/span>,<\/span> handler<\/span> MessageHandleFunc<\/span>)<\/span> {<\/span>\r\n    m<\/span>.<\/span>handlers<\/span>[<\/span>msgid<\/span>]<\/span> =<\/span> handler<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> (<\/span>m<\/span> *<\/span>messageHandlers<\/span>)<\/span> Unregister<\/span>(<\/span>msgid<\/span> uint16<\/span>)<\/span> {<\/span>\r\n    delete<\/span>(<\/span>m<\/span>.<\/span>handlers<\/span>,<\/span> msgid<\/span>)<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u5e94\u7528\u7a0b\u5e8f\u7684\u6570\u636e\u5305<\/h3>\n
\u6211\u6b63\u5728\u8fdb\u884c\u4f20\u8f93\u548c\u63a5\u6536\u6570\u636e\u7684\u7ed3\u6784\u5b9a\u4e49\u3002
\n\u7531\u4e8e\u8fd9\u6b21\u4f7f\u7528JSON\u8fdb\u884c\u4ea4\u4e92\uff0c\u6211\u5c06\u6307\u5b9aJSON\u952e\u5e76\u5c06\u5176\u5c5e\u6027\u4e0e\u4e4b\u5339\u914d\u3002<\/p>\n
type<\/span> (<\/span>\r\n    Packet<\/span> struct<\/span> {<\/span>\r\n        ID<\/span>   uint16<\/span>      `json:\"id\"`<\/span>\r\n        Body<\/span> interface<\/span>{}<\/span> `json:\"body\"`<\/span>\r\n    }<\/span>\r\n\r\n    MessagePacket<\/span> struct<\/span> {<\/span>\r\n        Msg<\/span> string<\/span> `json:\"msg\"`<\/span>\r\n    }<\/span>\r\n)<\/span>\r\n\r\n<\/code><\/pre>\n
\u4e3b\u8981.go<\/h3>\n
\u521b\u5efa\u8def\u7531\u5668\uff0c\u5e76\u4ec5\u63a5\u53d7\u6307\u5b9a\u7aef\u53e3\u7684\u8fde\u63a5\u3002<\/p>\n
func<\/span> main<\/span>()<\/span> {<\/span>\r\n    router<\/span> :=<\/span> external<\/span>.<\/span>NewRouter<\/span>()<\/span>\r\n    router<\/span>.<\/span>Run<\/span>(<\/span>9080<\/span>)<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5ba2\u6237\u7aef<\/h1>\n
\u7ed9\u522b\u4eba\u9999\u8549\uff0c\u81ea\u5df1\u4e5f\u80fd\u5f97\u5230\u9999\u8549\u3002<\/p>\n
<html<\/span> lang=<\/span>\"ja\"<\/span>><\/span>\r\n    <head><\/span>\r\n        <meta<\/span> charset=<\/span>\"UTF-8\"<\/span>><\/span>\r\n        <title><\/span>WebSocketSample<\/title><\/span>\r\n    <\/head><\/span>\r\n    <script><\/span>\r\n        var<\/span> sock<\/span> =<\/span> new<\/span> WebSocket<\/span>(<\/span>'<\/span>ws:\/\/127.0.0.1:9080\/ws<\/span>'<\/span>);<\/span>\r\n\r\n        var<\/span> send<\/span> =<\/span> function<\/span>(<\/span>msgid<\/span>,<\/span> body<\/span>)<\/span> {<\/span>\r\n            var<\/span> packet<\/span> =<\/span> {<\/span>\r\n                '<\/span>id<\/span>'<\/span>:<\/span> msgid<\/span>,<\/span>\r\n                '<\/span>body<\/span>'<\/span>:<\/span> body<\/span>\r\n            };<\/span>\r\n            var<\/span> json<\/span> =<\/span> JSON<\/span>.<\/span>stringify<\/span>(<\/span>packet<\/span>)<\/span>\r\n            sock<\/span>.<\/span>send<\/span>(<\/span>json<\/span>)<\/span>\r\n        };<\/span>\r\n\r\n        sock<\/span>.<\/span>addEventListener<\/span>(<\/span>'<\/span>open<\/span>'<\/span>,<\/span> function<\/span>(<\/span>e<\/span>)<\/span> {<\/span>\r\n            console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>Connect success.<\/span>'<\/span>)<\/span>\r\n            document<\/span>.<\/span>getElementById<\/span>(<\/span>'<\/span>banana<\/span>'<\/span>).<\/span>addEventListener<\/span>(<\/span>'<\/span>click<\/span>'<\/span>,<\/span>function<\/span>(<\/span>e<\/span>)<\/span> {<\/span>\r\n                var<\/span> msg<\/span> =<\/span> {<\/span>\r\n                    '<\/span>msg<\/span>'<\/span>:<\/span> '<\/span>\u3070\u306a\u306a\u3092\u3042\u3052\u308b<\/span>'<\/span>\r\n                };<\/span>\r\n                send<\/span>(<\/span>1<\/span>,<\/span> msg<\/span>)<\/span>\r\n            });<\/span>\r\n        });<\/span>\r\n\r\n        sock<\/span>.<\/span>addEventListener<\/span>(<\/span>'<\/span>close<\/span>'<\/span>,<\/span> function<\/span>(<\/span>e<\/span>)<\/span> {<\/span>\r\n            console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>Connect close.<\/span>'<\/span>)<\/span>\r\n        });<\/span>\r\n\r\n        sock<\/span>.<\/span>addEventListener<\/span>(<\/span>'<\/span>message<\/span>'<\/span>,<\/span> function<\/span>(<\/span>e<\/span>)<\/span> {<\/span>\r\n            var<\/span> json<\/span> =<\/span> JSON<\/span>.<\/span>parse<\/span>(<\/span>e<\/span>.<\/span>data<\/span>)<\/span>\r\n            var<\/span> msgid<\/span> =<\/span> json<\/span>.<\/span>id<\/span>;<\/span>\r\n            var<\/span> body<\/span> =<\/span> json<\/span>.<\/span>body<\/span>;<\/span>\r\n            if<\/span> (<\/span>msgid<\/span> ==<\/span> 1<\/span>)<\/span> {<\/span>\r\n                console<\/span>.<\/span>log<\/span>(<\/span>body<\/span>.<\/span>msg<\/span>);<\/span>\r\n            }<\/span>\r\n        });<\/span>\r\n    <\/script><\/span>\r\n    <body><\/span>\r\n        <input<\/span> type=<\/span>\"button\"<\/span> id=<\/span>\"banana\"<\/span> value=<\/span>\"\u30d0\u30ca\u30ca\u3092\u9001\u308b\"<\/span> \/><\/span>\r\n    <\/body><\/span>\r\n<\/html><\/span>\r\n<\/code><\/pre>\n
\u7ed3\u675f\u4e86<\/h1>\n
\u6211\u5e0c\u671bGolanger\u80fd\u591f\u904d\u5e03\u5168\u4e16\u754c\u3002\u90a3\u4e48\uff0c\u518d\u89c1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u9996\u5148 \u8fd9\u6b21\u6211\u6253\u7b97\u4f7f\u7528Golang\u548cWebSocket\u6765\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u6d88\u606f\u4f20\u9001\u670d\u52a1\uff0c\u987a\u5e26\u4f5c\u4e3a\u5907\u5fd8\u5f55\u548c\u4fe1\u606f\u5171\u4eab\u7684\u521d […]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44310","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u7b2c\u4e00\u6b21\u4f7f\u7528Golang\u52a0\u4e0aWebSocket - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u7b2c\u4e00\u6b21\u4f7f\u7528golang\u52a0\u4e0awebsocket\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7b2c\u4e00\u6b21\u4f7f\u7528Golang\u52a0\u4e0aWebSocket\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u8fd9\u6b21\u6211\u6253\u7b97\u4f7f\u7528Golang\u548cWebSocket\u6765\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u6d88\u606f\u4f20\u9001\u670d\u52a1\uff0c\u987a\u5e26\u4f5c\u4e3a\u5907\u5fd8\u5f55\u548c\u4fe1\u606f\u5171\u4eab\u7684\u521d […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u7b2c\u4e00\u6b21\u4f7f\u7528golang\u52a0\u4e0awebsocket\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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