{"id":37,"date":"2026-02-22T04:15:39","date_gmt":"2026-02-22T04:15:39","guid":{"rendered":"https:\/\/ccc333.cn\/?p=37"},"modified":"2026-03-26T06:46:33","modified_gmt":"2026-03-26T06:46:33","slug":"java%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"https:\/\/ccc333.cn\/index.php\/2026\/02\/22\/java%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e5%9f%ba%e7%a1%80\/","title":{"rendered":"Java\u7f51\u7edc\u7f16\u7a0b\u57fa\u7840"},"content":{"rendered":"\n<p>Java\u7f51\u7edc\u7f16\u7a0b\u662f\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981<a href=\"https:\/\/so.csdn.net\/so\/search?q=%E7%BB%84%E6%88%90%E9%83%A8%E5%88%86&amp;spm=1001.2101.3001.7020\" target=\"_blank\" rel=\"noreferrer noopener\">\u7ec4\u6210\u90e8\u5206<\/a>\uff0c\u5c24\u5176\u662f\u5728\u6784\u5efa\u5206\u5e03\u5f0f\u7cfb\u7edf\u548c\u7f51\u7edc\u670d\u52a1\u65f6\u3002Java\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7f51\u7edc\u7f16\u7a0bAPI\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u8f7b\u677e\u5730\u5b9e\u73b0\u5404\u79cd\u7f51\u7edc\u901a\u4fe1\u529f\u80fd\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdJava\u7f51\u7edc\u7f16\u7a0b\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u5305\u62ecTCP\/IP\u534f\u8bae\u548cSocket\u7f16\u7a0b\u7684\u57fa\u672c\u6982\u5ff5\u548c\u5b9e\u73b0\u65b9\u6cd5\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><a><\/a>TCP\/IP\u534f\u8bae\u7b80\u4ecb<\/h4>\n\n\n\n<p>TCP\/IP\uff08\u4f20\u8f93\u63a7\u5236\u534f\u8bae\/\u4e92\u8054\u7f51\u534f\u8bae\uff09\u662f\u4e00\u7ec4\u7528\u4e8e\u7f51\u7edc\u901a\u4fe1\u7684\u6807\u51c6\u534f\u8bae\u96c6\u3002\u5b83\u7531\u591a\u4e2a\u5c42\u6b21\u7ec4\u6210\uff0c\u6bcf\u4e2a\u5c42\u6b21\u8d1f\u8d23\u4e0d\u540c\u7684\u529f\u80fd\u3002\u4ee5\u4e0b\u662fTCP\/IP\u6a21\u578b\u7684\u4e3b\u8981\u5c42\u6b21\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5e94\u7528\u5c42<\/strong>\uff1a\u63d0\u4f9b\u5e94\u7528\u7a0b\u5e8f\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u5982HTTP\u3001FTP\u3001SMTP\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u4f20\u8f93\u5c42<\/strong>\uff1a\u8d1f\u8d23\u7aef\u5230\u7aef\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4e3b\u8981\u534f\u8bae\u6709TCP\uff08\u4f20\u8f93\u63a7\u5236\u534f\u8bae\uff09\u548cUDP\uff08\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae\uff09\u3002<\/li>\n\n\n\n<li><strong>\u7f51\u7edc\u5c42<\/strong>\uff1a\u8d1f\u8d23IP\u5730\u5740\u7684\u5bfb\u5740\u548c\u8def\u7531\uff0c\u4e3b\u8981\u534f\u8bae\u662fIP\uff08\u4e92\u8054\u7f51\u534f\u8bae\uff09\u3002<\/li>\n\n\n\n<li><strong>\u94fe\u8def\u5c42<\/strong>\uff1a\u8d1f\u8d23\u7269\u7406\u7f51\u7edc\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u5982\u4ee5\u592a\u7f51\u3001Wi-Fi\u7b49\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\"><a><\/a>Socket\u7f16\u7a0b<\/h4>\n\n\n\n<p>Socket\u662f\u7f51\u7edc\u7f16\u7a0b\u4e2d\u6700\u57fa\u672c\u7684\u901a\u4fe1\u65b9\u5f0f\u4e4b\u4e00\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u5728\u4e24\u4e2a\u8fdb\u7a0b\u4e4b\u95f4\u8fdb\u884c\u53cc\u5411\u6570\u636e\u4f20\u8f93\u7684\u65b9\u6cd5\u3002Socket\u7f16\u7a0b\u901a\u5e38\u5206\u4e3a\u670d\u52a1\u5668\u7aef\u548c\u5ba2\u6237\u7aef\u4e24\u90e8\u5206\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u670d\u52a1\u5668\u7aef<\/strong>\uff1a\u76d1\u542c\u6307\u5b9a\u7684\u7aef\u53e3\uff0c\u63a5\u6536\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\uff0c\u5e76\u4e0e\u5ba2\u6237\u7aef\u5efa\u7acb\u8fde\u63a5\u3002<\/li>\n\n\n\n<li><strong>\u5ba2\u6237\u7aef<\/strong>\uff1a\u5411\u670d\u52a1\u5668\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42\uff0c\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\uff0c\u5e76\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\"><a><\/a>Java\u4e2d\u7684Socket\u7f16\u7a0b<\/h4>\n\n\n\n<p>Java\u4e2d\u7684Socket\u7f16\u7a0b\u4e3b\u8981\u4f9d\u8d56\u4e8e<code>java.net<\/code>\u5305\u4e2d\u7684<code>Socket<\/code>\u7c7b\u548c<code>ServerSocket<\/code>\u7c7b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684Socket\u7f16\u7a0b\u793a\u4f8b\uff1a<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u670d\u52a1\u5668\u7aef\u793a\u4f8b<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>1import java.io.*;\n2import java.net.*;\n3\n4public class TCPServer {\n5    public static void main(String&#91;] args) throws IOException {\n6        \/\/ \u521b\u5efa\u670d\u52a1\u5668\u7aefSocket\uff0c\u7ed1\u5b9a\u5230\u672c\u5730\u4e3b\u673a\u76849999\u7aef\u53e3\n7        ServerSocket serverSocket = new ServerSocket(9999);\n8        System.out.println(\"Server started, listening on port 9999\");\n9\n10        \/\/ \u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5\n11        Socket clientSocket = serverSocket.accept();\n12        System.out.println(\"Client connected\");\n13\n14        \/\/ \u83b7\u53d6\u8f93\u5165\u6d41\u548c\u8f93\u51fa\u6d41\n15        BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));\n16        PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);\n17\n18        \/\/ \u8bfb\u53d6\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u6d88\u606f\n19        String inputLine;\n20        while ((inputLine = in.readLine()) != null) {\n21            System.out.println(\"Received from client: \" + inputLine);\n22            out.println(\"Echo: \" + inputLine);\n23        }\n24\n25        \/\/ \u5173\u95ed\u8d44\u6e90\n26        in.close();\n27        out.close();\n28        clientSocket.close();\n29        serverSocket.close();\n30    }\n31}<\/code><\/pre>\n\n\n\n<p>\u5ba2\u6237\u7aef\u793a\u4f8b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1import java.io.*;\n2import java.net.*;\n3\n4public class TCPClient {\n5    public static void main(String&#91;] args) throws IOException {\n6        \/\/ \u521b\u5efa\u5ba2\u6237\u7aefSocket\uff0c\u8fde\u63a5\u5230\u670d\u52a1\u5668\n7        Socket socket = new Socket(\"localhost\", 9999);\n8        System.out.println(\"Connected to server\");\n9\n10        \/\/ \u83b7\u53d6\u8f93\u5165\u6d41\u548c\u8f93\u51fa\u6d41\n11        PrintWriter out = new PrintWriter(socket.getOutputStream(), true);\n12        BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));\n13        BufferedReader stdIn = new BufferedReader(new InputStreamReader(System.in));\n14\n15        \/\/ \u5411\u670d\u52a1\u5668\u53d1\u9001\u6d88\u606f\n16        System.out.println(\"Type a message:\");\n17        String userInput;\n18        while ((userInput = stdIn.readLine()) != null) {\n19            out.println(userInput);\n20            System.out.println(\"Received from server: \" + in.readLine());\n21        }\n22\n23        \/\/ \u5173\u95ed\u8d44\u6e90\n24        out.close();\n25        in.close();\n26        stdIn.close();\n27        socket.close();\n28    }\n29}<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u5173\u952e\u70b9\u603b\u7ed3<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u670d\u52a1\u5668\u7aef<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528<code>ServerSocket<\/code>\u76d1\u542c\u6307\u5b9a\u7aef\u53e3\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528<code>accept()<\/code>\u65b9\u6cd5\u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528<code>InputStream<\/code>\u548c<code>OutputStream<\/code>\u8fdb\u884c\u6570\u636e\u8bfb\u5199\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5ba2\u6237\u7aef<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528<code>Socket<\/code>\u8fde\u63a5\u5230\u670d\u52a1\u5668\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528<code>InputStream<\/code>\u548c<code>OutputStream<\/code>\u8fdb\u884c\u6570\u636e\u8bfb\u5199\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Java\u7f51\u7edc\u7f16\u7a0b\u662f\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u7684\u4e00\u4e2a\u91cd [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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