{"id":28,"date":"2015-03-29T21:50:38","date_gmt":"2015-03-29T13:50:38","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=28"},"modified":"2026-08-18T12:09:24","modified_gmt":"2026-08-18T04:09:24","slug":"java-%e5%a5%97%e6%8e%a5%e5%ad%97socket","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=28","title":{"rendered":"Java \u5957\u63a5\u5b57(Socket)"},"content":{"rendered":"
\n

\u5728\u5ba2\u6237\u673a\/\u670d\u52a1\u5668\uff08C\/S\uff09\u6a21\u5f0f\u91cc\uff0cServer \u7aef\u8981\u540c\u65f6\u63a5\u5f85\u591a\u53f0 Client\u3002\u9664\u4e86\u7528 IP \u6807\u8bc6\u4e00\u53f0\u673a\u5668\uff0c\u8fd8\u8981\u7528\u7aef\u53e3\u53f7<\/strong>\u6807\u8bc6\u540e\u53f0\u6b63\u5728\u670d\u52a1\u7684\u7ebf\u7a0b\u3002IP \u52a0\u4e0a\u7aef\u53e3\uff0c\u5c31\u662f\u7f51\u7edc\u5957\u63a5\u5b57\uff08Socket\uff09<\/strong>\u3002<\/p>\n

Java \u91cc\u670d\u52a1\u7aef\u7528 ServerSocket<\/code>\uff0c\u5ba2\u6237\u7aef\u7528 Socket<\/code>\u3002\u7aef\u53e3 0\uff5e1023 \u7559\u7ed9\u7cfb\u7edf\uff08\u4f8b\u5982 HTTP \u7528 80\u3001Telnet \u7528 23\uff09\uff0c1024\uff5e65535 \u7ed9\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

<\/p>\n

\u4e00\u3001\u4e24\u7c7b Socket \u4e0e\u4e24\u79cd\u901a\u4fe1\u65b9\u5f0f<\/h2>\n

Server \u5728\u82e5\u5e72\u7aef\u53e3\u4e0a\u540c\u65f6\u63d0\u4f9b\u4e0d\u540c\u670d\u52a1\uff1bClient \u63a5\u5165\u67d0\u4e00\u4e2a\u7aef\u53e3\uff0c\u8bf7 Server \u4e3a\u81ea\u5df1\u5e72\u6d3b\u3002\u53cc\u65b9\u901a\u4fe1\u53ef\u4ee5\u60f3\u8c61\u6210\u6253\u7535\u8bdd\uff1aClient \u5148\u62e8\u53f7\uff0cServer \u76d1\u542c\uff0c\u63a5\u901a\u4e4b\u540e\u8c01\u90fd\u53ef\u4ee5\u8bf4\u8bdd\u3002<\/p>\n\n\n\n\n\n\n
\u65b9\u5f0f<\/th>\n\u534f\u8bae<\/th>\n\u7279\u70b9<\/th>\n<\/tr>\n<\/thead>\n
\u6d41\u5f0f Socket<\/td>\nTCP<\/td>\n\u6709\u8fde\u63a5\uff1a\u5148\u8fde\u540e\u4f20\uff0c\u7ed3\u675f\u518d\u62c6\uff1b\u6b63\u786e\u3001\u53ef\u9760<\/td>\n<\/tr>\n
\u6570\u636e\u62a5 Socket<\/td>\nUDP<\/td>\n\u65e0\u8fde\u63a5\uff1a\u5206\u5305\u76f4\u63a5\u53d1\uff0c\u5feb\uff0c\u4f46\u4e0d\u4fdd\u8bc1\u53ef\u9760<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6d41\u5f0f Socket \u5728\u4e24\u7aef\u4e4b\u95f4\u5efa\u4e00\u6761\u901a\u9053\uff0c\u53ef\u8bfb\u53ef\u5199\u3002\u4f1a\u8bdd\u8fc7\u7a0b\u56fa\u5b9a\u56db\u6b65\uff1a\u5efa\u7acb\u8fde\u63a5 \u2192 \u62ff\u5230\u8f93\u5165\/\u8f93\u51fa\u6d41 \u2192 \u8bfb\/\u5199 \u2192 \u5173\u95ed\u5957\u63a5\u5b57<\/strong>\u3002<\/p>\n

\u4e8c\u3001\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u7aef\u600e\u4e48\u5efa\u8fde\u63a5<\/h2>\n

\u5ba2\u6237\u7aef\u7528 Socket(String host, int port)<\/code>\uff0chost<\/code> \u662f\u4e3b\u673a\u540d\u6216 IP\uff08\u4e0d\u8981\u5199\u6210\u5e26 http:\/\/<\/code> \u7684\u7f51\u5740\uff09\uff0cport<\/code> \u662f\u4e8b\u5148\u7ea6\u5b9a\u7684\u7aef\u53e3\uff1a<\/p>\n

try {\n    Socket mySocket = new Socket(\"www.warmtel.com\", 1860);\n} catch (IOException e) {}<\/code><\/pre>\n
\u7136\u540e\u7528 getInputStream()<\/code> \u8bfb\u5bf9\u7aef\u653e\u5165\u300c\u7ebf\u8def\u300d\u7684\u6570\u636e\uff0c\u7528 getOutputStream()<\/code> \u5f80\u7ebf\u8def\u91cc\u5199\u3002<\/p>\n
\u670d\u52a1\u7aef\u7528 ServerSocket(int port)<\/code>\uff0c\u7aef\u53e3\u5fc5\u987b\u548c\u5ba2\u6237\u7aef\u547c\u53eb\u7684\u7aef\u53e3\u4e00\u81f4\uff1a<\/p>\n
try {\n    ServerSocket serverSocket = new ServerSocket(1860);\n} catch (IOException e) {}<\/code><\/pre>\n
\u76d1\u542c\u7aef\u53e3\u4e0a\u4e00\u65e6\u6709 Client \u8bf7\u6c42\uff0c\u5c31\u7528 accept()<\/code> \u5f97\u5230\u4e00\u4e2a Socket<\/code>\uff0c\u518d\u548c\u5bf9\u65b9\u901a\u4fe1\u3002\u64a4\u9500\u670d\u52a1\u65f6\u5173\u95ed\u8fd9\u4e2a Socket\uff1a<\/p>\n
try {\n    Socket sc = serverSocket.accept(); \/\/ sc \u662f\u4e00\u4e2a Socket \u5bf9\u8c61\n} catch (IOException e) {}\nsc.close();<\/code><\/pre>\n
\u4e09\u3001\u4f8b 13-3\uff1aClient \u7aef<\/h2>\n
Client \u5411\u672c\u673a 4441 \u7aef\u53e3\u8bf7\u6c42\u8fde\u63a5\uff0c\u8fde\u4e0a\u540e\u5411\u670d\u52a1\u5668\u5199\u4e00\u53e5\uff0c\u518d\u8bfb\u56de\u670d\u52a1\u5668\u7684\u56de\u590d\u3002\u6ce8\u610f DataInputStream.readUTF()<\/code> \u8bfb\u5b8c\u4e0d\u4f1a\u8fd4\u56de null<\/code>\uff0c\u5bf9\u7aef\u5173\u95ed\u65f6\u4f1a\u629b EOFException<\/code>\uff0c\u6240\u4ee5\u8fd9\u91cc\u6539\u6210\u8bfb\u4e00\u6b21\u5c31\u7ed3\u675f\uff0c\u907f\u514d\u7a7a\u6307\u9488\u5224\u65ad\u5931\u6548\u3002<\/p>\n
import java.io.*;\nimport java.net.*;\npublic class Client {\n    public static void main(String args[]) {\n        String s = null;\n        Socket mySocket;\n        DataInputStream in = null;\n        DataOutputStream out = null;\n        try {\n            mySocket = new Socket(\"localhost\", 4441);\n            in = new DataInputStream(mySocket.getInputStream());\n            out = new DataOutputStream(mySocket.getOutputStream());\n            out.writeUTF(\"good server!\");\n            s = in.readUTF();\n            System.out.println(s);\n            mySocket.close();\n        } catch (IOException e) {\n            System.out.println(\"can't connect\");\n        }\n    }\n}<\/code><\/pre>\n
\u56db\u3001\u4f8b 13-4\uff1a\u5bf9\u5e94\u7684 Server \u7aef<\/h2>\n
\u7a0b\u5e8f\u5728 4441 \u7aef\u53e3\u76d1\u542c\u3002\u6536\u5230\u5ba2\u6237\u8bf7\u6c42\u540e\uff0c\u8bfb\u5165\u5ba2\u6237\u53d1\u6765\u7684\u5b57\u7b26\u4e32\uff0c\u518d\u56de\u4e00\u53e5\u300c\u5ba2\u6237\uff0c\u4f60\u597d\uff0c\u6211\u662f\u670d\u52a1\u5668\u300d\u3002\u539f\u6587\u628a\u8fd9\u6bb5\u6807\u6210\u300c\u4f8b 10.3\u300d\uff0c\u5e94\u5bf9\u9f50\u4e0a\u9762\u7684\u4f8b 13-3\u3002<\/p>\n
import java.io.*;\nimport java.net.*;\npublic class Server {\n    public static void main(String args[]) {\n        ServerSocket server = null;\n        Socket you = null;\n        String s = null;\n        DataOutputStream out = null;\n        DataInputStream in = null;\n        try {\n            server = new ServerSocket(4441);\n        } catch (IOException e1) {\n            System.out.println(\"ERROR:\" + e1);\n        }\n        try {\n            you = server.accept();\n            in = new DataInputStream(you.getInputStream());\n            out = new DataOutputStream(you.getOutputStream());\n            s = in.readUTF();\n            out.writeUTF(\"\u5ba2\u6237\uff0c\u4f60\u597d\uff0c\u6211\u662f\u670d\u52a1\u5668\");\n            out.close();\n        } catch (IOException e) {\n            System.out.println(\"ERROR:\" + e);\n        }\n    }\n}<\/code><\/pre>\n
\u4e3a\u4e86\u53d1\u6325\u5e76\u884c\u80fd\u529b\uff0c\u53ef\u4ee5\u628a\u5957\u63a5\u5b57\u901a\u4fe1\u4ea4\u7ed9\u72ec\u7acb\u7ebf\u7a0b\uff1a\u5ba2\u6237\u7aef\u53d1\u8d77\u8bf7\u6c42\u3001\u6216\u670d\u52a1\u5668\u63a5\u5230\u4e00\u4e2a\u5ba2\u6237\u65f6\uff0c\u542f\u52a8\u4e13\u95e8\u7ebf\u7a0b\u53bb\u521b\u5efa\u6d41\u3001\u5b8c\u6210\u53cc\u65b9\u4ea4\u6d41\u3002\u8fd9\u6837\u4e3b\u7ebf\u7a0b\u53ef\u4ee5\u7ee7\u7eed accept()<\/code> \u4e0b\u4e00\u4e2a\u8fde\u63a5\u3002<\/p>\n
\n
\u4e00\u53e5\u8bdd\u603b\u7ed3\uff1aSocket = IP + \u7aef\u53e3\uff1b\u5ba2\u6237\u7aef Socket \u62e8\u53f7\u3001\u670d\u52a1\u7aef ServerSocket.accept() \u63a5\u542c\uff0c\u6d41\u5f0f TCP \u53ef\u9760\u3001\u6570\u636e\u62a5 UDP \u66f4\u5feb\u4f46\u4e0d\u4fdd\u8bc1\u5230\u8fbe\u3002<\/strong><\/p>\n<\/blockquote>\n<\/section>\n","protected":false},"excerpt":{"rendered":"
\u5728\u5ba2\u6237\u673a\/\u670d\u52a1\u5668\uff08C\/S\uff09\u6a21\u5f0f\u91cc\uff0cServer \u7aef\u8981\u540c\u65f6\u63a5\u5f85\u591a\u53f0 Client\u3002\u9664\u4e86\u7528 IP \u6807\u8bc6\u4e00\u53f0\u673a\u5668\uff0c\u8fd8 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[20],"tags":[41,26],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/28"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=28"}],"version-history":[{"count":3,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/28\/revisions"}],"predecessor-version":[{"id":317,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/28\/revisions\/317"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=28"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=28"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=28"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}