{"id":207117,"date":"2025-07-08T10:02:27","date_gmt":"2025-07-08T02:02:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207117\/"},"modified":"2025-07-08T10:02:27","modified_gmt":"2025-07-08T02:02:27","slug":"golang-tcp-%e5%ae%a2%e6%88%b7%e7%ab%af%e4%b8%8d%e5%90%91-java-tcp-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%8f%91%e9%80%81end-of-stream","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207117\/","title":{"rendered":"Golang TCP \u5ba2\u6237\u7aef\u4e0d\u5411 Java TCP \u670d\u52a1\u5668\u53d1\u9001\u201cEnd of Stream\u201d"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Golang TCP \u5ba2\u6237\u7aef\u4e0d\u5411 Java TCP \u670d\u52a1\u5668\u53d1\u9001\u201cEnd of Stream\u201d<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-20 09:27:37<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587\u300aGolang TCP \u5ba2\u6237\u7aef\u4e0d\u5411 Java TCP \u670d\u52a1\u5668\u53d1\u9001\u201cEnd of Stream\u201d\u300b<\/span>\u4e3b\u8981\u8bb2\u89e3\u4e86<\/span>\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u6b63\u5728\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684 golang tcp \u5ba2\u6237\u7aef\uff0c\u5b83\u4e0e java tcp \u670d\u52a1\u5668\u901a\u4fe1\u3002<\/p>\n

\u6211\u5df2\u6210\u529f\u8ba9 golang \u5ba2\u6237\u7aef\u5411\u6211\u7684 java \u670d\u52a1\u5668\u53d1\u9001\u6d88\u606f\u3002<\/p>\n

\u4f46\u662f\uff0c\u6211\u7684 java \u4ee3\u7801\u671f\u671b stream \u7684 end \uff08\u5176\u4e2d inputstream.read()<\/code> \u8fd4\u56de -1<\/code>\uff09\u6765\u77e5\u9053\u662f\u65f6\u5019\u505c\u6b62\u8bfb\u53d6\u5ba2\u6237\u7aef\u6d88\u606f\u4e86\u3002<\/code><\/p>\n

\u770b\u8d77\u6765 golang \u4e0d\u4f1a\u901a\u8fc7 connection.write()<\/code> \u53d1\u9001 end of stream<\/code> \u6d88\u606f\uff0c\u9664\u975e\u6211\u5148 clos\u200b\u200be()<\/code> \u8fde\u63a5\u3002<\/p>\n

\u4e0b\u9762\u662f\u6211\u7684 java \u670d\u52a1\u5668\u4ee3\u7801\uff1a<\/p>\n

package com.mycompany.app;\n\nimport com.google.gson.*;\nimport com.google.common.primitives.bytes;\nimport java.io.*;\nimport java.net.socket;\nimport java.util.arraylist;\nimport java.util.list;\nimport java.net.serversocket;\nimport java.net.socketexception;\n\npublic class myapp {\n    public static void main(string[] args) {\n        int port = 9000;\n\n        \/\/ start listening for messages.\n        try (serversocket serversocket = new serversocket(port)) {\n            system.out.println(\"listening on port \" + port + \"...\");\n\n            \/\/ never stop listening for messages.\n            while (true) {\n                try {\n                    \/\/ accept a client connection.\n                    socket socket = serversocket.accept();\n\n                    \/\/ read message from the client.\n                    datainputstream inputstream = new datainputstream(socket.getinputstream());\n\n                    list<byte> list = new arraylist<byte>();\n                    int input = inputstream.read();\n\n                    while (input != -1) {\n                        list.add((byte) input);\n                        input = inputstream.read();\n                    }\n\n                    byte[] jsonbytes = bytes.toarray(list);\n\n                    if (jsonbytes.length > 0) {\n                        string jsonstring = new string(jsonbytes);\n\n                        system.out.println(\"received: \" + jsonstring);\n\n                        \/\/ unmarshal from json.\n                        person person = new gson().fromjson(jsonstring, person.class);\n\n                        system.out.println(\"person: \" + person.name + \" \" + person.age);\n                    }\n                } catch (eofexception e) {\n                    \/\/ a client has disconnected. do nothing.\n                } catch (socketexception e) {\n                    \/\/ a client connection has been terminated unexpectedly. do nothing.\n                } catch (exception e) {\n                    e.printstacktrace();\n                }\n            }\n        } catch (exception e) {\n            e.printstacktrace();\n        }\n    }\n}\n\nclass person {\n    string name;\n    int age;\n}<\/pre>\n
\u4e0b\u9762\u662f\u6211\u7684 golang \u5ba2\u6237\u7aef\u4ee3\u7801\uff1a<\/p>\n
package main\n\nimport (\n    \"bufio\"\n    \"encoding\/json\"\n    \"fmt\"\n    \"net\"\n    \"os\"\n    \"strings\"\n)\n\ntype Person struct {\n    Name string\n    Age  int\n}\n\nfunc main() {\n    reader := bufio.NewReader(os.Stdin)\n\n    for {\n        func() {\n            \/\/ Dial the Java Server.\n            conn, err := net.Dial(\"tcp\", \"localhost:9000\")\n            if err != nil {\n                fmt.Println(err)\n            }\n\n            defer conn.Close()\n\n            fmt.Print(\"Enter Name: \")\n            strName, err := reader.ReadString('\\n')\n            strName = strings.TrimSpace(strName)\n\n            var person Person\n            person.Name = strName\n            person.Age = 18\n\n            jsonBytes, err := json.Marshal(person)\n            if err != nil {\n                fmt.Println(err)\n                return\n            }\n\n            \/\/ Write our message to the connection.\n            _, err = conn.Write(jsonBytes)\n            if err != nil {\n                fmt.Println(err)\n                return\n            }\n\n            fmt.Println(\"Sent: \" + string(jsonBytes))\n        }()\n    }\n}<\/pre>\n
\u5173\u4e8e\u5982\u4f55\u544a\u8bc9 java \u6211\u4eec\u5df2\u7ecf\u5b8c\u6210\u4e86\u4ece golang \u7f16\u5199\u6d88\u606f\u7684\u4efb\u4f55\u5efa\u8bae\uff1f\u6216\u8005\u662f\u5426\u6709\u66f4\u597d\u7684\u65b9\u6cd5\u6765\u5904\u7406 java x golang tcp \u5ba2\u6237\u7aef-\u670d\u52a1\u5668\u8fde\u63a5\uff1f<\/p>\n
\u8fd9\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u95ee\u9898\uff0c\u56e0\u4e3a tcp \u8fde\u63a5\u7684\u57fa\u672c\u573a\u666f\u4e4b\u4e00\u662f\u53d1\u9001\u548c\u63a5\u6536\uff1a<\/p>\n
\u4f8b\u5982<\/p>\n
    \n
  1. \n
    \u5ba2\u6237\u7aef\u53d1\u9001\u6d88\u606f\u5e76\u7b49\u5f85\u7ed3\u679c\u3002 <\/p>\n<\/li>\n
  2. \n
    \u670d\u52a1\u5668\u5904\u7406\u6d88\u606f\u5e76\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n<\/li>\n
  3. \n
    \u5ba2\u6237\u7aef\u5bf9\u7ed3\u679c\u6267\u884c\u67d0\u4e9b\u64cd\u4f5c\u3002<\/p>\n<\/li>\n<\/ol>\n
     <\/p>\n
    \u89e3\u51b3\u65b9\u6848<\/h2>\n
     <\/p>\n
    \u6211\u7ec8\u4e8e\u6309\u7167 @nos \u7684\u5efa\u8bae\u8c03\u7528 clos\u200b\u200bewrite()<\/code> \u800c\u4e0d\u662f clos\u200b\u200be()<\/code> \u6765\u5de5\u4f5c\u3002<\/p>\n
    \u4e0d\u5f97\u4e0d\u7a0d\u5fae\u66f4\u6539\u4e00\u4e0b\u6211\u7684 tcp \u8fde\u63a5\u4ee3\u7801\uff0c\u4f46\u5b83\u7684\u6548\u679c\u975e\u5e38\u597d\u3002<\/p>\n
    \u6b64\u89e3\u51b3\u65b9\u6848\u975e\u5e38\u9002\u5408\u6211\u7684\u76ee\u7684\uff0c\u56e0\u4e3a\u6211\u53ea\u8ba1\u5212\u4ece\u5ba2\u6237\u7aef\u8fde\u63a5\u6267\u884c 1 \u6b21\u53d1\u9001\uff0c\u5e76\u53ef\u80fd\u5728\u5173\u95ed\u4e4b\u524d\u6267\u884c 1 \u6b21\u8bfb\u53d6\u3002<\/p>\n
    \u975e\u5e38\u611f\u8c22\u6240\u6709\u63d0\u4f9b\u5e2e\u52a9\u7684\u4eba\uff01<\/p>\n
    \u4e0b\u9762\u662f\u6211\u66f4\u65b0\u7684 golang \u5ba2\u6237\u7aef\u4ee3\u7801\uff1a<\/p>\n
    package main\n\nimport (\n    \"bufio\"\n    \"encoding\/json\"\n    \"fmt\"\n    \"net\"\n    \"os\"\n    \"strings\"\n)\n\n\/\/ Person struct.\ntype Person struct {\n    Name string\n    Age  int\n}\n\nfunc main() {\n    reader := bufio.NewReader(os.Stdin)\n\n    for {\n        func() {\n            \/\/ Dial the Java Server.\n            tcpAddr, err := net.ResolveTCPAddr(\"tcp\", \"localhost:9000\")\n            if err != nil {\n                fmt.Println(err)\n                return\n            }\n\n            conn, err := net.DialTCP(\"tcp\", nil, tcpAddr)\n            if err != nil {\n                fmt.Println(err)\n                return\n            }\n\n            defer conn.Close()\n\n            fmt.Print(\"Enter Name: \")\n            strName, err := reader.ReadString('\\n')\n            strName = strings.TrimSpace(strName)\n\n            var person Person\n            person.Name = strName\n            person.Age = 18\n\n            jsonBytes, err := json.Marshal(person)\n            if err != nil {\n                fmt.Println(err)\n                return\n            }\n\n            \/\/ Write our message to the connection.\n            _, err = conn.Write(jsonBytes)\n            if err != nil {\n                fmt.Println(err)\n                return\n            }\n\n            \/\/ Tell the server that we're done writing.\n            err = conn.CloseWrite()\n            if err != nil {\n                fmt.Println(err)\n                return\n            }\n\n            \/\/ Read Message From Server code goes here.\n\n            fmt.Println(\"Sent: \" + string(jsonBytes))\n        }()\n    }\n}<\/pre>\n
    \u5bf9\u4e8e\u521d\u5b66\u8005\uff0c\u60a8\u53ef\u80fd\u5e0c\u671b\u786e\u4fdd\u5ba2\u6237\u7aef\u4ee3\u7801\u53ef\u9760\u5730\u5173\u95ed\u5957\u63a5\u5b57\u3002\u4f46\u8fd9\u5e76\u4e0d\u662f\u60a8\u5e94\u8be5\u505a\u7684\u5168\u90e8\u3002<\/p>\n
    \u5ba2\u6237\u7aef\u8fdb\u7a0b\u5e94\u56e0\u5173\u95ed\u5957\u63a5\u5b57\u800c\u89e6\u53d1 tcp fin\u3002\u7531\u4e8e\u5ba2\u6237\u7aef\u8fdb\u7a0b\u5b8c\u5168\u9000\u51fa\uff0c\u5957\u63a5\u5b57\u5e94\u8be5\u5173\u95ed\u3002\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48\u4f60\u7684\u60c5\u51b5\u5e76\u975e\u5982\u6b64\u3002\u4f60\u7b49\u5f97\u591f\u4e45\u5417\uff1f<\/p>\n
    \u4f46\u662f\uff0c\u4e3a\u4e86\u4f7f\u60a8\u7684\u670d\u52a1\u5668\u4e0d\u4f1a\u65e0\u9650\u671f\u6302\u8d77\uff0c\u60a8\u9700\u8981\u8b66\u60d5\u8fd9\u79cd\u60c5\u51b5\u3002\u8003\u8651\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u5b58\u5728\u6d3b\u52a8 tcp \u8fde\u63a5\u7684\u60c5\u51b5\u3002\u5f53\u670d\u52a1\u5668\u7b49\u5f85\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u6570\u636e\u65f6\uff0c\u5ba2\u6237\u7aef\u6240\u5728\u7684\u5730\u65b9\u65ad\u7535\u4e86\u3002\u7531\u4e8e\u5ba2\u6237\u7aef\u65e0\u6cd5\u53d1\u9001 fin\uff0c\u56e0\u6b64\u670d\u52a1\u5668\u8fde\u63a5\u4e0d\u4f1a\u6709\u4efb\u4f55\u6d41\u91cf\u3002\u8be5 tcp \u8fde\u63a5\u5c06\u6c38\u8fdc\u4fdd\u6301\u6302\u8d77\u72b6\u6001\uff0c\u9664\u975e……<\/p>\n
    \u60a8\u53ef\u4ee5\u5728\u670d\u52a1\u5668\u7aef\u8bbe\u7f6e\u4fdd\u6301\u6d3b\u52a8\u9009\u9879\u6216\u8d85\u65f6\u9009\u9879\u3002<\/p>\n
    \u4fdd\u6301\u6d3b\u52a8\uff1a<\/p>\n
    \u8d85\u65f6\uff1a<\/p>\n
    \u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8eGolang\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/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-207117","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207117","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=207117"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207117\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}