{"id":77668,"date":"2026-02-25T07:19:22","date_gmt":"2026-02-24T23:19:22","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/77668.html"},"modified":"2026-02-25T07:19:22","modified_gmt":"2026-02-24T23:19:22","slug":"java%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e4%b8%8e%e7%bd%91%e7%bb%9c%e9%80%9a%e4%bf%a1%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/77668.html","title":{"rendered":"Java\u7f51\u7edc\u7f16\u7a0b\u4e0e\u7f51\u7edc\u901a\u4fe1\u57fa\u7840"},"content":{"rendered":"<h4>Java\u7f51\u7edc\u7f16\u7a0b\u4e0e\u7f51\u7edc\u901a\u4fe1\u57fa\u7840<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260224231921-699e31f985d4a.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h5>13.1 \u5b66\u4e60\u76ee\u6807\u4e0e\u91cd\u70b9\u63d0\u793a<\/h5>\n<p>\u5b66\u4e60\u76ee\u6807&#xff1a;\u638c\u63e1Java\u7f51\u7edc\u7f16\u7a0b\u7684\u6838\u5fc3\u6982\u5ff5\u4e0e\u901a\u4fe1\u65b9\u5f0f&#xff0c;\u5305\u62ec\u5957\u63a5\u5b57\u7f16\u7a0b\u3001TCP\/IP\u901a\u4fe1\u3001UDP\u901a\u4fe1\u3001HTTP\u901a\u4fe1\u7684\u5b9e\u73b0\u65b9\u6cd5&#xff0c;\u5b66\u4f1a\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u5904\u7406\u7f51\u7edc\u901a\u4fe1\u95ee\u9898\u3002<br \/>\n\u91cd\u70b9&#xff1a;\u5957\u63a5\u5b57\u7f16\u7a0b&#xff08;Socket\u3001ServerSocket&#xff09;\u3001TCP\/IP\u901a\u4fe1&#xff08;\u670d\u52a1\u5668\u7aef\u3001\u5ba2\u6237\u7aef&#xff09;\u3001UDP\u901a\u4fe1&#xff08;DatagramSocket\u3001DatagramPacket&#xff09;\u3001HTTP\u901a\u4fe1&#xff08;URL\u3001URLConnection&#xff09;\u3001\u7f51\u7edc\u7f16\u7a0b\u7684\u5b9e\u9645\u5e94\u7528\u573a\u666f\u3002<\/p>\n<h5>13.2 \u7f51\u7edc\u7f16\u7a0b\u6982\u8ff0<\/h5>\n<p>Java\u7f51\u7edc\u7f16\u7a0b\u662f\u7528\u4e8e\u5904\u7406\u7f51\u7edc\u901a\u4fe1\u7684\u673a\u5236\u3002<\/p>\n<h6>13.2.1 \u7f51\u7edc\u7f16\u7a0b\u7684\u5b9a\u4e49<\/h6>\n<p>\u5b9a\u4e49&#xff1a;\u7f51\u7edc\u7f16\u7a0b\u662f\u7528\u4e8e\u5904\u7406\u7f51\u7edc\u901a\u4fe1\u7684\u673a\u5236\u3002<br \/>\n\u4f5c\u7528&#xff1a;<\/p>\n<ul>\n<li>\u5b9e\u73b0\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/li>\n<li>\u5b9e\u73b0\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002<\/li>\n<li>\u5b9e\u73b0\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u3002<\/li>\n<\/ul>\n<p>\u2705 \u7ed3\u8bba&#xff1a;\u7f51\u7edc\u7f16\u7a0b\u662f\u7528\u4e8e\u5904\u7406\u7f51\u7edc\u901a\u4fe1\u7684\u673a\u5236&#xff0c;\u4f5c\u7528\u662f\u5b9e\u73b0\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u3001\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3001\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u3002<\/p>\n<h6>13.2.2 \u7f51\u7edc\u7f16\u7a0b\u7684\u5206\u7c7b<\/h6>\n<p>\u5b9a\u4e49&#xff1a;\u7f51\u7edc\u7f16\u7a0b\u7684\u5206\u7c7b\u662f\u6307Java\u4e2d\u7f51\u7edc\u7f16\u7a0b\u7684\u5206\u7c7b\u65b9\u6cd5\u3002<br \/>\n\u5206\u7c7b&#xff1a;<\/p>\n<ul>\n<li>TCP\/IP\u901a\u4fe1&#xff1a;\u53ef\u9760\u7684\u3001\u9762\u5411\u8fde\u63a5\u7684\u901a\u4fe1\u65b9\u5f0f\u3002<\/li>\n<li>UDP\u901a\u4fe1&#xff1a;\u4e0d\u53ef\u9760\u7684\u3001\u65e0\u8fde\u63a5\u7684\u901a\u4fe1\u65b9\u5f0f\u3002<\/li>\n<li>HTTP\u901a\u4fe1&#xff1a;\u57fa\u4e8eTCP\/IP\u7684\u5e94\u7528\u5c42\u901a\u4fe1\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n<p>\u2705 \u7ed3\u8bba&#xff1a;\u7f51\u7edc\u7f16\u7a0b\u7684\u5206\u7c7b\u5305\u62ecTCP\/IP\u901a\u4fe1\u3001UDP\u901a\u4fe1\u3001HTTP\u901a\u4fe1\u3002<\/p>\n<h5>13.3 \u5957\u63a5\u5b57\u7f16\u7a0b\u57fa\u7840<\/h5>\n<p>\u5957\u63a5\u5b57\u7f16\u7a0b\u662fJava\u7f51\u7edc\u7f16\u7a0b\u7684\u57fa\u7840\u3002<\/p>\n<h6>13.3.1 Socket\u4e0eServerSocket\u7684\u5b9a\u4e49<\/h6>\n<p>\u5b9a\u4e49&#xff1a;Socket\u662f\u7528\u4e8e\u8868\u793a\u7f51\u7edc\u8fde\u63a5\u7684\u5bf9\u8c61\u3002<br \/>\nServerSocket&#xff1a;\u7528\u4e8e\u8868\u793a\u670d\u52a1\u5668\u7aef\u7684\u5957\u63a5\u5b57\u3002<br \/>\n\u5e38\u7528\u65b9\u6cd5&#xff1a;<\/p>\n<ul>\n<li>Socket&#xff1a;\n<ul>\n<li>getInputStream()&#xff1a;\u83b7\u53d6\u8f93\u5165\u6d41\u3002<\/li>\n<li>getOutputStream()&#xff1a;\u83b7\u53d6\u8f93\u51fa\u6d41\u3002<\/li>\n<li>close()&#xff1a;\u5173\u95ed\u5957\u63a5\u5b57\u3002<\/li>\n<\/ul>\n<\/li>\n<li>ServerSocket&#xff1a;\n<ul>\n<li>accept()&#xff1a;\u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5\u3002<\/li>\n<li>close()&#xff1a;\u5173\u95ed\u670d\u52a1\u5668\u7aef\u5957\u63a5\u5b57\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>net<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u670d\u52a1\u5668\u7aef<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TCPServer<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521b\u5efa\u670d\u52a1\u5668\u7aef\u5957\u63a5\u5b57<\/span><br \/>\n            <span class=\"token class-name\">ServerSocket<\/span> serverSocket <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ServerSocket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8888<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u670d\u52a1\u5668\u7aef\u542f\u52a8\u6210\u529f&#xff0c;\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5<\/span><br \/>\n            <span class=\"token class-name\">Socket<\/span> socket <span class=\"token operator\">&#061;<\/span> serverSocket<span class=\"token punctuation\">.<\/span><span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5ba2\u6237\u7aef\u8fde\u63a5\u6210\u529f&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInetAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getHostAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u83b7\u53d6\u8f93\u5165\u6d41\u548c\u8f93\u51fa\u6d41<\/span><br \/>\n            <span class=\"token class-name\">BufferedReader<\/span> reader <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">BufferedReader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">InputStreamReader<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">PrintWriter<\/span> writer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">PrintWriter<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getOutputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u8bfb\u53d6\u5ba2\u6237\u7aef\u6570\u636e<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> message <span class=\"token operator\">&#061;<\/span> reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">readLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5ba2\u6237\u7aef\u6d88\u606f&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u53d1\u9001\u54cd\u5e94\u6570\u636e<\/span><br \/>\n            writer<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u670d\u52a1\u5668\u7aef\u5df2\u6536\u5230\u6d88\u606f&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5173\u95ed\u8d44\u6e90<\/span><br \/>\n            reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            writer<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            serverSocket<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            e<span class=\"token punctuation\">.<\/span><span class=\"token function\">printStackTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TCPClient<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521b\u5efa\u5ba2\u6237\u7aef\u5957\u63a5\u5b57<\/span><br \/>\n            <span class=\"token class-name\">Socket<\/span> socket <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;localhost&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">8888<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5ba2\u6237\u7aef\u8fde\u63a5\u6210\u529f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u83b7\u53d6\u8f93\u5165\u6d41\u548c\u8f93\u51fa\u6d41<\/span><br \/>\n            <span class=\"token class-name\">BufferedReader<\/span> reader <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">BufferedReader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">InputStreamReader<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">PrintWriter<\/span> writer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">PrintWriter<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getOutputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u53d1\u9001\u6570\u636e<\/span><br \/>\n            writer<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Hello, Server!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u8bfb\u53d6\u54cd\u5e94\u6570\u636e<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> response <span class=\"token operator\">&#061;<\/span> reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">readLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u670d\u52a1\u5668\u7aef\u54cd\u5e94&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5173\u95ed\u8d44\u6e90<\/span><br \/>\n            reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            writer<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            e<span class=\"token punctuation\">.<\/span><span class=\"token function\">printStackTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8f93\u51fa\u7ed3\u679c&#xff1a;<br \/>\n\u670d\u52a1\u5668\u7aef&#xff1a;<\/p>\n<p>\u670d\u52a1\u5668\u7aef\u542f\u52a8\u6210\u529f&#xff0c;\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5&#8230;<br \/>\n\u5ba2\u6237\u7aef\u8fde\u63a5\u6210\u529f&#xff1a;127.0.0.1<br \/>\n\u5ba2\u6237\u7aef\u6d88\u606f&#xff1a;Hello, Server!<\/p>\n<p>\u5ba2\u6237\u7aef&#xff1a;<\/p>\n<p>\u5ba2\u6237\u7aef\u8fde\u63a5\u6210\u529f<br \/>\n\u670d\u52a1\u5668\u7aef\u54cd\u5e94&#xff1a;\u670d\u52a1\u5668\u7aef\u5df2\u6536\u5230\u6d88\u606f&#xff1a;Hello, Server!<\/p>\n<p>\u2705 \u7ed3\u8bba&#xff1a;Socket\u4e0eServerSocket\u662fJava\u7f51\u7edc\u7f16\u7a0b\u7684\u57fa\u7840&#xff0c;\u7528\u4e8e\u5b9e\u73b0\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n<h5>13.4 TCP\/IP\u901a\u4fe1\u7684\u5b9e\u73b0<\/h5>\n<p>TCP\/IP\u901a\u4fe1\u662f\u53ef\u9760\u7684\u3001\u9762\u5411\u8fde\u63a5\u7684\u901a\u4fe1\u65b9\u5f0f\u3002<\/p>\n<h6>13.4.1 \u670d\u52a1\u5668\u7aef\u7684\u5b9e\u73b0<\/h6>\n<p>\u5b9a\u4e49&#xff1a;\u670d\u52a1\u5668\u7aef\u7684\u5b9e\u73b0\u662f\u6307Java\u4e2d\u670d\u52a1\u5668\u7aef\u7684\u7f51\u7edc\u7f16\u7a0b\u65b9\u6cd5\u3002<br \/>\n\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>net<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u670d\u52a1\u5668\u7aef<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TCPServer<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521b\u5efa\u670d\u52a1\u5668\u7aef\u5957\u63a5\u5b57<\/span><br \/>\n            <span class=\"token class-name\">ServerSocket<\/span> serverSocket <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ServerSocket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8888<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u670d\u52a1\u5668\u7aef\u542f\u52a8\u6210\u529f&#xff0c;\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5<\/span><br \/>\n                <span class=\"token class-name\">Socket<\/span> socket <span class=\"token operator\">&#061;<\/span> serverSocket<span class=\"token punctuation\">.<\/span><span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5ba2\u6237\u7aef\u8fde\u63a5\u6210\u529f&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInetAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getHostAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u521b\u5efa\u7ebf\u7a0b\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42<\/span><br \/>\n                <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Thread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        <span class=\"token comment\">\/\/ \u83b7\u53d6\u8f93\u5165\u6d41\u548c\u8f93\u51fa\u6d41<\/span><br \/>\n                        <span class=\"token class-name\">BufferedReader<\/span> reader <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">BufferedReader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">InputStreamReader<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        <span class=\"token class-name\">PrintWriter<\/span> writer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">PrintWriter<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getOutputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                        <span class=\"token comment\">\/\/ \u8bfb\u53d6\u5ba2\u6237\u7aef\u6570\u636e<\/span><br \/>\n                        <span class=\"token class-name\">String<\/span> message <span class=\"token operator\">&#061;<\/span> reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">readLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5ba2\u6237\u7aef\u6d88\u606f&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                        <span class=\"token comment\">\/\/ \u53d1\u9001\u54cd\u5e94\u6570\u636e<\/span><br \/>\n                        writer<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u670d\u52a1\u5668\u7aef\u5df2\u6536\u5230\u6d88\u606f&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                        <span class=\"token comment\">\/\/ \u5173\u95ed\u8d44\u6e90<\/span><br \/>\n                        reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        writer<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        e<span class=\"token punctuation\">.<\/span><span class=\"token function\">printStackTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            e<span class=\"token punctuation\">.<\/span><span class=\"token function\">printStackTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u2705 \u7ed3\u8bba&#xff1a;\u670d\u52a1\u5668\u7aef\u7684\u5b9e\u73b0\u662f\u6307Java\u4e2d\u670d\u52a1\u5668\u7aef\u7684\u7f51\u7edc\u7f16\u7a0b\u65b9\u6cd5&#xff0c;\u9700\u8981\u521b\u5efa\u7ebf\u7a0b\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42\u3002<\/p>\n<h6>13.4.2 \u5ba2\u6237\u7aef\u7684\u5b9e\u73b0<\/h6>\n<p>\u5b9a\u4e49&#xff1a;\u5ba2\u6237\u7aef\u7684\u5b9e\u73b0\u662f\u6307Java\u4e2d\u5ba2\u6237\u7aef\u7684\u7f51\u7edc\u7f16\u7a0b\u65b9\u6cd5\u3002<br \/>\n\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>net<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TCPClient<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521b\u5efa\u5ba2\u6237\u7aef\u5957\u63a5\u5b57<\/span><br \/>\n            <span class=\"token class-name\">Socket<\/span> socket <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;localhost&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">8888<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5ba2\u6237\u7aef\u8fde\u63a5\u6210\u529f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u83b7\u53d6\u8f93\u5165\u6d41\u548c\u8f93\u51fa\u6d41<\/span><br \/>\n            <span class=\"token class-name\">BufferedReader<\/span> reader <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">BufferedReader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">InputStreamReader<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">PrintWriter<\/span> writer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">PrintWriter<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getOutputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u53d1\u9001\u6570\u636e<\/span><br \/>\n            writer<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Hello, Server!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u8bfb\u53d6\u54cd\u5e94\u6570\u636e<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> response <span class=\"token operator\">&#061;<\/span> reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">readLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u670d\u52a1\u5668\u7aef\u54cd\u5e94&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5173\u95ed\u8d44\u6e90<\/span><br \/>\n            reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            writer<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            e<span class=\"token punctuation\">.<\/span><span class=\"token function\">printStackTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u2705 \u7ed3\u8bba&#xff1a;\u5ba2\u6237\u7aef\u7684\u5b9e\u73b0\u662f\u6307Java\u4e2d\u5ba2\u6237\u7aef\u7684\u7f51\u7edc\u7f16\u7a0b\u65b9\u6cd5&#xff0c;\u9700\u8981\u4e0e\u670d\u52a1\u5668\u7aef\u5efa\u7acb\u8fde\u63a5\u5e76\u53d1\u9001\u6570\u636e\u3002<\/p>\n<h5>13.5 UDP\u901a\u4fe1\u7684\u5b9e\u73b0<\/h5>\n<p>UDP\u901a\u4fe1\u662f\u4e0d\u53ef\u9760\u7684\u3001\u65e0\u8fde\u63a5\u7684\u901a\u4fe1\u65b9\u5f0f\u3002<\/p>\n<h6>13.5.1 DatagramSocket\u4e0eDatagramPacket\u7684\u5b9a\u4e49<\/h6>\n<p>\u5b9a\u4e49&#xff1a;DatagramSocket\u662f\u7528\u4e8e\u8868\u793aUDP\u5957\u63a5\u5b57\u7684\u5bf9\u8c61\u3002<br \/>\nDatagramPacket&#xff1a;\u7528\u4e8e\u8868\u793aUDP\u6570\u636e\u5305\u7684\u5bf9\u8c61\u3002<br \/>\n\u5e38\u7528\u65b9\u6cd5&#xff1a;<\/p>\n<ul>\n<li>DatagramSocket&#xff1a;\n<ul>\n<li>send()&#xff1a;\u53d1\u9001\u6570\u636e\u5305\u3002<\/li>\n<li>receive()&#xff1a;\u63a5\u6536\u6570\u636e\u5305\u3002<\/li>\n<li>close()&#xff1a;\u5173\u95ed\u5957\u63a5\u5b57\u3002<\/li>\n<\/ul>\n<\/li>\n<li>DatagramPacket&#xff1a;\n<ul>\n<li>getData()&#xff1a;\u83b7\u53d6\u6570\u636e\u5305\u4e2d\u7684\u6570\u636e\u3002<\/li>\n<li>getLength()&#xff1a;\u83b7\u53d6\u6570\u636e\u5305\u7684\u957f\u5ea6\u3002<\/li>\n<li>getAddress()&#xff1a;\u83b7\u53d6\u6570\u636e\u5305\u7684\u53d1\u9001\u65b9\u5730\u5740\u3002<\/li>\n<li>getPort()&#xff1a;\u83b7\u53d6\u6570\u636e\u5305\u7684\u53d1\u9001\u65b9\u7aef\u53e3\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>net<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u670d\u52a1\u5668\u7aef<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UDPServer<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521b\u5efaUDP\u5957\u63a5\u5b57<\/span><br \/>\n            <span class=\"token class-name\">DatagramSocket<\/span> socket <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">DatagramSocket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8888<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u670d\u52a1\u5668\u7aef\u542f\u52a8\u6210\u529f&#xff0c;\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u521b\u5efa\u6570\u636e\u5305<\/span><br \/>\n            <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> buffer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">DatagramPacket<\/span> packet <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">DatagramPacket<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u63a5\u6536\u6570\u636e\u5305<\/span><br \/>\n            socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">receive<\/span><span class=\"token punctuation\">(<\/span>packet<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5904\u7406\u6570\u636e\u5305<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> message <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span>packet<span class=\"token punctuation\">.<\/span><span class=\"token function\">getData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> packet<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLength<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5ba2\u6237\u7aef\u6d88\u606f&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u53d1\u9001\u54cd\u5e94\u6570\u636e<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> response <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\u670d\u52a1\u5668\u7aef\u5df2\u6536\u5230\u6d88\u606f&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> message<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> responseBuffer <span class=\"token operator\">&#061;<\/span> response<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">DatagramPacket<\/span> responsePacket <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">DatagramPacket<\/span><span class=\"token punctuation\">(<\/span>responseBuffer<span class=\"token punctuation\">,<\/span> responseBuffer<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">,<\/span> packet<span class=\"token punctuation\">.<\/span><span class=\"token function\">getAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> packet<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>responsePacket<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5173\u95ed\u8d44\u6e90<\/span><br \/>\n            socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            e<span class=\"token punctuation\">.<\/span><span class=\"token function\">printStackTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UDPClient<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521b\u5efaUDP\u5957\u63a5\u5b57<\/span><br \/>\n            <span class=\"token class-name\">DatagramSocket<\/span> socket <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">DatagramSocket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5ba2\u6237\u7aef\u542f\u52a8\u6210\u529f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u53d1\u9001\u6570\u636e<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> message <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Hello, Server!&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> buffer <span class=\"token operator\">&#061;<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">InetAddress<\/span> address <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">InetAddress<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getByName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;localhost&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">DatagramPacket<\/span> packet <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">DatagramPacket<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">,<\/span> address<span class=\"token punctuation\">,<\/span> <span class=\"token number\">8888<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>packet<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u63a5\u6536\u54cd\u5e94\u6570\u636e<\/span><br \/>\n            <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> responseBuffer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">DatagramPacket<\/span> responsePacket <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">DatagramPacket<\/span><span class=\"token punctuation\">(<\/span>responseBuffer<span class=\"token punctuation\">,<\/span> responseBuffer<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">receive<\/span><span class=\"token punctuation\">(<\/span>responsePacket<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token class-name\">String<\/span> response <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span>responsePacket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> responsePacket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLength<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u670d\u52a1\u5668\u7aef\u54cd\u5e94&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5173\u95ed\u8d44\u6e90<\/span><br \/>\n            socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            e<span class=\"token punctuation\">.<\/span><span class=\"token function\">printStackTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8f93\u51fa\u7ed3\u679c&#xff1a;<br \/>\n\u670d\u52a1\u5668\u7aef&#xff1a;<\/p>\n<p>\u670d\u52a1\u5668\u7aef\u542f\u52a8\u6210\u529f&#xff0c;\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5&#8230;<br \/>\n\u5ba2\u6237\u7aef\u6d88\u606f&#xff1a;Hello, Server!<\/p>\n<p>\u5ba2\u6237\u7aef&#xff1a;<\/p>\n<p>\u5ba2\u6237\u7aef\u542f\u52a8\u6210\u529f<br \/>\n\u670d\u52a1\u5668\u7aef\u54cd\u5e94&#xff1a;\u670d\u52a1\u5668\u7aef\u5df2\u6536\u5230\u6d88\u606f&#xff1a;Hello, Server!<\/p>\n<p>\u2705 \u7ed3\u8bba&#xff1a;DatagramSocket\u4e0eDatagramPacket\u662fJava\u4e2dUDP\u901a\u4fe1\u7684\u57fa\u7840&#xff0c;\u7528\u4e8e\u5b9e\u73b0\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n<h5>13.6 HTTP\u901a\u4fe1\u7684\u5b9e\u73b0<\/h5>\n<p>HTTP\u901a\u4fe1\u662f\u57fa\u4e8eTCP\/IP\u7684\u5e94\u7528\u5c42\u901a\u4fe1\u65b9\u5f0f\u3002<\/p>\n<h6>13.6.1 URL\u4e0eURLConnection\u7684\u5b9a\u4e49<\/h6>\n<p>\u5b9a\u4e49&#xff1a;URL\u662f\u7528\u4e8e\u8868\u793a\u7edf\u4e00\u8d44\u6e90\u5b9a\u4f4d\u7b26\u7684\u5bf9\u8c61\u3002<br \/>\nURLConnection&#xff1a;\u7528\u4e8e\u8868\u793aURL\u8fde\u63a5\u7684\u5bf9\u8c61\u3002<br \/>\n\u5e38\u7528\u65b9\u6cd5&#xff1a;<\/p>\n<ul>\n<li>URL&#xff1a;\n<ul>\n<li>openConnection()&#xff1a;\u6253\u5f00URL\u8fde\u63a5\u3002<\/li>\n<li>getProtocol()&#xff1a;\u83b7\u53d6\u534f\u8bae\u3002<\/li>\n<li>getHost()&#xff1a;\u83b7\u53d6\u4e3b\u673a\u540d\u3002<\/li>\n<li>getPort()&#xff1a;\u83b7\u53d6\u7aef\u53e3\u3002<\/li>\n<li>getPath()&#xff1a;\u83b7\u53d6\u8def\u5f84\u3002<\/li>\n<\/ul>\n<\/li>\n<li>URLConnection&#xff1a;\n<ul>\n<li>getInputStream()&#xff1a;\u83b7\u53d6\u8f93\u5165\u6d41\u3002<\/li>\n<li>getOutputStream()&#xff1a;\u83b7\u53d6\u8f93\u51fa\u6d41\u3002<\/li>\n<li>setRequestProperty()&#xff1a;\u8bbe\u7f6e\u8bf7\u6c42\u5c5e\u6027\u3002<\/li>\n<li>getResponseCode()&#xff1a;\u83b7\u53d6\u54cd\u5e94\u7801\u3002<\/li>\n<li>getResponseMessage()&#xff1a;\u83b7\u53d6\u54cd\u5e94\u6d88\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>net<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6d4b\u8bd5\u7c7b<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">HTTPExample<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521b\u5efaURL\u5bf9\u8c61<\/span><br \/>\n            <span class=\"token class-name\">URL<\/span> url <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">URL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;https:\/\/www.baidu.com&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u6253\u5f00URL\u8fde\u63a5<\/span><br \/>\n            <span class=\"token class-name\">URLConnection<\/span> connection <span class=\"token operator\">&#061;<\/span> url<span class=\"token punctuation\">.<\/span><span class=\"token function\">openConnection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u8bf7\u6c42\u5c5e\u6027<\/span><br \/>\n            connection<span class=\"token punctuation\">.<\/span><span class=\"token function\">setRequestProperty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;User-Agent&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Mozilla\/5.0&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u83b7\u53d6\u8f93\u5165\u6d41<\/span><br \/>\n            <span class=\"token class-name\">BufferedReader<\/span> reader <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">BufferedReader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">InputStreamReader<\/span><span class=\"token punctuation\">(<\/span>connection<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u8bfb\u53d6\u54cd\u5e94\u6570\u636e<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> line<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">StringBuffer<\/span> response <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">StringBuffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>line <span class=\"token operator\">&#061;<\/span> reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">readLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                response<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>line<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u8f93\u51fa\u54cd\u5e94\u6570\u636e<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u54cd\u5e94\u6570\u636e&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> response<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            e<span class=\"token punctuation\">.<\/span><span class=\"token function\">printStackTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8f93\u51fa\u7ed3\u679c&#xff1a;<\/p>\n<p>\u54cd\u5e94\u6570\u636e&#xff1a;&lt;html&gt;&#8230;&lt;\/html&gt;<\/p>\n<p>\u2705 \u7ed3\u8bba&#xff1a;URL\u4e0eURLConnection\u662fJava\u4e2dHTTP\u901a\u4fe1\u7684\u57fa\u7840&#xff0c;\u7528\u4e8e\u5b9e\u73b0\u4e0eWeb\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n<h5>13.7 \u7f51\u7edc\u7f16\u7a0b\u7684\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h5>\n<p>\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d&#xff0c;\u7f51\u7edc\u7f16\u7a0b\u7684\u5e94\u7528\u573a\u666f\u975e\u5e38\u5e7f\u6cdb&#xff0c;\u5982&#xff1a;<\/p>\n<ul>\n<li>\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/li>\n<li>\u7f51\u7edc\u6587\u4ef6\u4f20\u8f93\u3002<\/li>\n<li>\u7f51\u7edc\u804a\u5929\u3002<\/li>\n<li>\u7f51\u7edc\u722c\u866b\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>net<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6587\u4ef6\u4e0a\u4f20\u670d\u52a1\u5668\u7aef<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FileUploadServer<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521b\u5efa\u670d\u52a1\u5668\u7aef\u5957\u63a5\u5b57<\/span><br \/>\n            <span class=\"token class-name\">ServerSocket<\/span> serverSocket <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ServerSocket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8888<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u670d\u52a1\u5668\u7aef\u542f\u52a8\u6210\u529f&#xff0c;\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5<\/span><br \/>\n            <span class=\"token class-name\">Socket<\/span> socket <span class=\"token operator\">&#061;<\/span> serverSocket<span class=\"token punctuation\">.<\/span><span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5ba2\u6237\u7aef\u8fde\u63a5\u6210\u529f&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInetAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getHostAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u83b7\u53d6\u8f93\u5165\u6d41\u548c\u8f93\u51fa\u6d41<\/span><br \/>\n            <span class=\"token class-name\">BufferedReader<\/span> reader <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">BufferedReader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">InputStreamReader<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">DataInputStream<\/span> dataInputStream <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">DataInputStream<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">FileOutputStream<\/span> fileOutputStream <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FileOutputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;uploaded_file.txt&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u8bfb\u53d6\u6587\u4ef6\u540d<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> fileName <span class=\"token operator\">&#061;<\/span> reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">readLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6587\u4ef6\u540d&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> fileName<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/span><br \/>\n            <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> buffer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> length<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>length <span class=\"token operator\">&#061;<\/span> dataInputStream<span class=\"token punctuation\">.<\/span><span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                fileOutputStream<span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> length<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5173\u95ed\u8d44\u6e90<\/span><br \/>\n            fileOutputStream<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            dataInputStream<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            serverSocket<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6587\u4ef6\u4e0a\u4f20\u6210\u529f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            e<span class=\"token punctuation\">.<\/span><span class=\"token function\">printStackTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6587\u4ef6\u4e0a\u4f20\u5ba2\u6237\u7aef<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FileUploadClient<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521b\u5efa\u5ba2\u6237\u7aef\u5957\u63a5\u5b57<\/span><br \/>\n            <span class=\"token class-name\">Socket<\/span> socket <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Socket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;localhost&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">8888<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5ba2\u6237\u7aef\u8fde\u63a5\u6210\u529f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u83b7\u53d6\u8f93\u5165\u6d41\u548c\u8f93\u51fa\u6d41<\/span><br \/>\n            <span class=\"token class-name\">PrintWriter<\/span> writer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">PrintWriter<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getOutputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">DataOutputStream<\/span> dataOutputStream <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">DataOutputStream<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">getOutputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">FileInputStream<\/span> fileInputStream <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FileInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;test.txt&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u53d1\u9001\u6587\u4ef6\u540d<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> fileName <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;test.txt&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            writer<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span>fileName<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u53d1\u9001\u6587\u4ef6\u5185\u5bb9<\/span><br \/>\n            <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> buffer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> length<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>length <span class=\"token operator\">&#061;<\/span> fileInputStream<span class=\"token punctuation\">.<\/span><span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                dataOutputStream<span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> length<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5173\u95ed\u8d44\u6e90<\/span><br \/>\n            fileInputStream<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            dataOutputStream<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            writer<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6587\u4ef6\u4e0a\u4f20\u6210\u529f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            e<span class=\"token punctuation\">.<\/span><span class=\"token function\">printStackTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8f93\u51fa\u7ed3\u679c&#xff1a;<br \/>\n\u670d\u52a1\u5668\u7aef&#xff1a;<\/p>\n<p>\u670d\u52a1\u5668\u7aef\u542f\u52a8\u6210\u529f&#xff0c;\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5&#8230;<br \/>\n\u5ba2\u6237\u7aef\u8fde\u63a5\u6210\u529f&#xff1a;127.0.0.1<br \/>\n\u6587\u4ef6\u540d&#xff1a;test.txt<br \/>\n\u6587\u4ef6\u4e0a\u4f20\u6210\u529f<\/p>\n<p>\u5ba2\u6237\u7aef&#xff1a;<\/p>\n<p>\u5ba2\u6237\u7aef\u8fde\u63a5\u6210\u529f<br \/>\n\u6587\u4ef6\u4e0a\u4f20\u6210\u529f<\/p>\n<p>\u2705 \u7ed3\u8bba&#xff1a;\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d&#xff0c;\u7f51\u7edc\u7f16\u7a0b\u7684\u5e94\u7528\u573a\u666f\u975e\u5e38\u5e7f\u6cdb&#xff0c;\u9700\u8981\u6839\u636e\u5b9e\u9645\u95ee\u9898\u9009\u62e9\u5408\u9002\u7684\u7f51\u7edc\u7f16\u7a0b\u65b9\u6cd5\u3002<\/p>\n<h4>\u603b\u7ed3<\/h4>\n<p>\u672c\u7ae0\u6211\u4eec\u5b66\u4e60\u4e86Java\u7f51\u7edc\u7f16\u7a0b\u4e0e\u7f51\u7edc\u901a\u4fe1\u57fa\u7840&#xff0c;\u5305\u62ec\u5957\u63a5\u5b57\u7f16\u7a0b\u3001TCP\/IP\u901a\u4fe1\u3001UDP\u901a\u4fe1\u3001HTTP\u901a\u4fe1\u7684\u5b9e\u73b0\u65b9\u6cd5&#xff0c;\u5b66\u4f1a\u4e86\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u5904\u7406\u7f51\u7edc\u901a\u4fe1\u95ee\u9898\u3002\u5176\u4e2d&#xff0c;\u5957\u63a5\u5b57\u7f16\u7a0b&#xff08;Socket\u3001ServerSocket&#xff09;\u3001TCP\/IP\u901a\u4fe1&#xff08;\u670d\u52a1\u5668\u7aef\u3001\u5ba2\u6237\u7aef&#xff09;\u3001UDP\u901a\u4fe1&#xff08;DatagramSocket\u3001DatagramPacket&#xff09;\u3001HTTP\u901a\u4fe1&#xff08;URL\u3001URLConnection&#xff09;\u3001\u7f51\u7edc\u7f16\u7a0b\u7684\u5b9e\u9645\u5e94\u7528\u573a\u666f\u662f\u672c\u7ae0\u7684\u91cd\u70b9\u5185\u5bb9\u3002\u4ece\u4e0b\u4e00\u7ae0\u5f00\u59cb&#xff0c;\u6211\u4eec\u5c06\u5b66\u4e60Java\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u3001Web\u5f00\u53d1\u7b49\u5185\u5bb9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u7f51\u7edc\u7f16\u7a0b\u4e0e\u7f51\u7edc\u901a\u4fe1\u57fa\u784013.1 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\/>\n\u91cd\u70b9&#xff1a;\u5957\u63a5\u5b57\u7f16\u7a0b&#xff08;Socket\u3001ServerSocket&#xff09;\u3001TCP\/IP\u901a\u4fe1&#xff08;\u670d\u52a1\u5668\u7aef\u3001\u5ba2\u6237\u7aef&#xff09;\u3001UDP\u901a\u4fe1&#xff08;DatagramSocke<\/p>\n","protected":false},"author":2,"featured_media":77667,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[99,190,78],"topic":[],"class_list":["post-77668","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-java","tag-190","tag-78"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java\u7f51\u7edc\u7f16\u7a0b\u4e0e\u7f51\u7edc\u901a\u4fe1\u57fa\u7840 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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