{"id":9212,"date":"2025-04-18T17:18:33","date_gmt":"2025-04-18T09:18:33","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/9212.html"},"modified":"2025-04-18T17:18:33","modified_gmt":"2025-04-18T09:18:33","slug":"%e3%80%90%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e9%80%9a%e5%85%b3%e4%b9%8b%e8%b7%af%e3%80%91-tcp-%e5%9f%ba%e7%a1%80%e5%9b%9e%e6%98%be%e6%9c%8d%e5%8a%a1%e5%99%a8java%e5%ae%9e%e7%8e%b0%e5%8f%8a%e4%bf%9d","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/9212.html","title":{"rendered":"\u3010\u7f51\u7edc\u7f16\u7a0b\u901a\u5173\u4e4b\u8def\u3011 Tcp \u57fa\u7840\u56de\u663e\u670d\u52a1\u5668(Java\u5b9e\u73b0)\u53ca\u4fdd\u59c6\u5f0f\u77e5\u8bc6\u539f\u7406\u8be6\u89e3 \uff01 \uff01 \uff01"},"content":{"rendered":"

\u672c\u7bc7\u4f1a\u52a0\u5165\u4e2a\u4eba\u7684\u6240\u8c13\u9c7c\u5f0f\u75af\u8a00<\/p>\n

\u2764\ufe0f\u2764\ufe0f\u2764\ufe0f\u9c7c\u5f0f\u75af\u8a00:\u2764\ufe0f\u2764\ufe0f\u2764\ufe0f\u6b64\u75af\u8a00\u975e\u5f7c\u75af\u8a00<\/p>\n

\u800c\u662f\u7406\u89e3\u8fc7\u5e76\u603b\u7ed3\u51fa\u6765\u901a\u4fd7\u6613\u61c2\u7684\u5927\u767d\u8bdd,<\/p>\n

\u5c0f\u7f16\u4f1a\u5c3d\u53ef\u80fd\u7684\u5728\u6bcf\u4e2a\u6982\u5ff5\u540e\u63d2\u5165\u9c7c\u5f0f\u75af\u8a00,\u5e2e\u52a9\u5927\u5bb6\u7406\u89e3\u7684.<\/p>\n

🤭🤭🤭\u53ef\u80fd\u8bf4\u7684\u4e0d\u662f\u90a3\u4e48\u4e25\u8c28.\u4f46\u5c0f\u7f16\u521d\u5fc3\u662f\u80fd\u8ba9\u66f4\u591a\u4eba\u80fd\u63a5\u53d7\u6211\u4eec\u8fd9\u4e2a\u6982\u5ff5 ！！！<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u5f15\u8a00<\/h2>\n

\u5728\u8fd9\u4e2a\u6570\u5b57\u5316\u65f6\u4ee3，\u4fe1\u606f\u7684\u5feb\u901f\u6d41\u901a\u5df2\u6210\u4e3a\u6211\u4eec\u65e5\u5e38\u751f\u6d3b\u7684\u4e00\u90e8\u5206\u3002\u60f3\u8c61\u4e00\u4e0b，\u5f53\u4f60\u53d1\u9001\u4e00\u5c01\u7535\u5b50\u90ae\u4ef6\u6216\u6d4f\u89c8\u7f51\u9875\u65f6，\u80cc\u540e\u662f\u4e00\u7cfb\u5217\u590d\u6742\u7684\u7f51\u7edc\u534f\u8bae\u5728\u9ed8\u9ed8\u5de5\u4f5c，\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u4f20\u8f93\u3002<\/p>\n

\u4eca\u5929，\u6211\u4eec\u5c06\u805a\u7126\u4e8e\u8fd9\u4e9b\u534f\u8bae\u4e2d\u7684\u4e00\u4e2a\u6838\u5fc3\u6210\u5458\u2014\u2014\u4f20\u8f93\u63a7\u5236\u534f\u8bae（TCP）\u3002TCP\u534f\u8bae\u662f\u4e92\u8054\u7f51\u901a\u4fe1\u7684\u57fa\u77f3，\u5b83\u901a\u8fc7\u786e\u4fdd\u6570\u636e\u7684\u53ef\u9760\u4f20\u8f93，\u652f\u6491\u7740\u6211\u4eec\u6bcf\u5929\u4f7f\u7528\u7684\u65e0\u6570\u7f51\u7edc\u670d\u52a1\u3002<\/p>\n

\u76ee\u5f55<\/h2>\n
  • \n

    Tcp\u56de\u663e\u670d\u52a1\u5668\u7684\u666e\u901a\u5b9e\u73b0<\/p>\n<\/li>\n

  • \n

    Tcp \u56de\u663e\u670d\u52a1\u5668\u7684\u591a\u7ebf\u7a0b\u5b9e\u73b0<\/p>\n<\/li>\n

  • \n

    Tcp \u56de\u663e\u670d\u52a1\u5668\u7684\u7ebf\u7a0b\u6c60\u5b9e\u73b0<\/p>\n<\/li>\n

    \u4e00. Tcp \u56de\u663e\u670d\u52a1\u5668\u7684\u666e\u901a\u5b9e\u73b0<\/h2>\n

    1. Tcp \u7684\u7279\u70b9<\/h3>\n

    \u5728\u4e0a\u4e00\u7bc7 \u5b9e\u73b0Udp \u7684\u56de\u663e\u670d\u52a1\u5668\u7684\u6587\u7ae0\u4e2d ， \u6211\u4eec\u63d0\u53caTcp \u548c Udp \u5206\u522b\u67094\u4e2a\u4e3b\u8981\u7684\u7279\u70b9<\/p>\n

      \n
    • Tcp \u662f \u53ef\u9760 \u4f20\u8f93， Udp\u662f \u4e0d\u53ef\u9760 \u4f20\u8f93\u3002<\/li>\n
    • Tcp\u662f\u9762\u5411 \u5b57\u8282\u6d41， Udp\u662f\u9762\u5411 \u6570\u636e\u62a5\u3002<\/li>\n
    • Tcp \u662f \u6709\u8fde\u63a5 ， Udp\u662f \u65e0\u8fde\u63a5 \u3002<\/li>\n
    • Tcp \u662f \u5168\u53cc\u5de5 ， Udp\u4e5f\u662f \u5168\u53cc\u5de5 \u3002<\/li>\n<\/ul>\n

      \u5173\u4e8e\u4ee5\u4e0a\u8fd9\u4e9b \u7279\u70b9 \u8fd8\u6709 \u56de\u663e\u670d\u52a1\u5668 \u7684\u8be6\u89e3\u5168\u90e8\u90fd\u6536\u5f55\u5230\u4e86 \u3010\u7f51\u7edc\u7f16\u7a0b\u901a\u5173\u4e4b\u8def\u3011 Udp \u57fa\u7840\u56de\u54cd\u670d\u52a1\u5668(Java\u5b9e\u73b0)\u53ca\u4f60\u4e0d\u77e5\u9053\u77e5\u8bc6\u539f\u7406\u8be6\u89e3 ！ ！ ！ \u8fd9\u7bc7\u6587\u7ae0\u4e2d \u3002<\/p>\n

      Tcp\u7f51\u7edc\u7f16\u7a0b\u6587\u7ae0\u8be6\u89e3<\/p>\n

      \u8fd8\u6ca1\u5b66\u4e60\u8fc7\u6216\u8005\u5fd8\u8bb0\u7684\u5c0f\u4f19\u4f34\u8bb0\u5f97\u53bb\u770b\u770b\u54e6\u3002<\/p>\n

      2. Tcp\u4f7f\u7528\u7684\u76f8\u5173\u7c7b<\/h3>\n

      Tcp \u4e0eUdp\u4e00\u6837， \u5728\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u7684\u8fc7\u7a0b\u4e2d，\u9700\u8981\u8c03\u7528\u7cfb\u7edf Socket api ， \u4f46\u5728 Java\u6807\u51c6\u5e93 \u4e2d\u5df2\u7ecf\u5c01\u88c5\u597d\u4e86\u76f8\u5173\u7684\u7c7b， \u901a\u8fc7\u8fd9\u51e0\u4e2a\u7c7b， \u5728 JVM \u4e2d\u6765\u8c03\u7528\u7cfb\u7edf\u539f\u751f\u7684 Socket api \u6765 \u64cd\u4f5c\u7f51\u5361 ， \u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u3002<\/p>\n

      \u5173\u4e8eTcp \u6765\u5b9e\u73b0\u56de\u663e<\/p>\n

      ServerSocket \u7c7b :<\/p>\n

      \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

        \n
      • \n

        \u5b9e\u4f8b\u5316ServerSocket \u5bf9\u8c61\u65f6， \u53ea\u7528\u4e8e\u670d\u52a1\u5668\u4e00\u7aef ， \u5e76\u4e14\u8fdb\u884c \u7aef\u53e3\u53f7 \u8fde\u63a5 \u8fdb\u7a0b \u7684\u8fc7\u7a0b\u3002<\/p>\n<\/li>\n

      • \n

        \u7528\u4e8e\u5efa\u7acb \u670d\u52a1\u5668 \u4e0e \u5ba2\u6237\u7aef \u8fde\u63a5，\u5e76\u4e14\u8fd4\u56de Socket \u5bf9\u8c61\u3002<\/p>\n

        accept() \u65b9\u6cd5<\/p>\n<\/li>\n<\/ul>\n

        \u9c7c\u5f0f\u75af\u8a00<\/h3>\n

        \u4ece\u4e0a\u9762\u53ef\u4ee5\u786e\u5b9a Tcp\u7684 \u6709\u8fde\u63a5 \u7684\u7279\u70b9\u4e4b\u4e00\u3002<\/p>\n

        ServerSocket\u7684\u6784\u9020\u65b9\u6cd5 \u7684\u8fde\u63a5\u662f \u7aef\u53e3\u53f7\u4e0e\u8fdb\u7a0b\u7684\u8fde\u63a5 ， \u76f8\u5f53\u4e8e \u201c\u63a5\u597d\u4e86\u7535\u8bdd\u7ebf\u201d \u3002<\/p>\n

        accept（） \u7684\u8fde\u63a5\u662f \u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u7684\u8fde\u63a5 ， \u76f8\u5f53\u4e8e \u5ba2\u6237\u7aef\u90a3\u8fb9\u7ed9\u670d\u52a1\u5668 \u201c\u6253\u7535\u8bdd\u201d， \u800c\u670d\u52a1\u5668\u8fd9\u8fb9\u5c31\u7528 accept（） \u6765\u63a5\u7535\u8bdd\u3002\u5b8c\u6210\u8fde\u63a5\u3002<\/p>\n

        \n

        Socket \u7c7b ：<\/p>\n

        \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

          \n
        • \n

          \u7528\u4e8e\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u8fde\u63a5：<\/p>\n

          Socket \u7684\u6784\u9020\u65b9\u6cd5, \u5728 \u5b9e\u4f8b\u5316Socket \u5bf9\u8c61 \u65f6， \u6dfb\u52a0 IP\u5730\u5740 \u548c \u7aef\u53e3\u53f7， \u5c31\u610f\u5473\u7740 \u5efa\u7acb\u4e86\u8fde\u63a5 \u3002<\/p>\n<\/li>\n

        • \n

          \u64cd\u4f5c Socket\u5bf9\u8c61 \u6765\u83b7\u53d6\u5404\u79cd IP\u5730\u5740 \u548c \u8f93\u5165\u548c\u8f93\u51fa\u6d41\u5bf9\u8c61 \u3002<\/p>\n

          \u83b7\u53d6IP\u5730\u5740<\/p>\n

          getInetAddress()<\/p>\n

          \u83b7\u53d6\u8f93\u5165\u5b57\u8282\u6d41\u65b9\u6cd5 getInputStream()<\/p>\n

          \u83b7\u53d6\u8f93\u51fa\u5b57\u8282\u6d41\u65b9\u6cd5<\/p>\n

          getOutputStream()<\/p>\n<\/li>\n<\/ul>\n

          \u9c7c\u5f0f\u75af\u8a00<\/h3>\n
        • \u7531\u4e8e\u6211\u4eec Tcp \u7279\u70b9 \u4e4b\u4e00\u5c31\u662f \u9762\u5411\u5b57\u8282\u6d41 ， \u5e76\u4e14\u662f \u5168\u53cc\u5de5 \u3002<\/li>\n

          \u6240\u4ee5\u6211\u4eec\u65e2\u53ef\u4ee5\u83b7\u53d6\u5230 \u8f93\u5165\u5b57\u8282\u6d41\u5bf9\u8c61 ，\u4e5f\u53ef\u4ee5\u83b7\u53d6\u5230 \u8f93\u51fa\u5b57\u8282\u6d41\u5bf9\u8c61 \u3002<\/p>\n

        • ServerSocket \u7c7b\u4e00\u822c\u53ea\u9002\u7528\u4e8e \u670d\u52a1\u5668\u4e00\u7aef\u7684\u7aef\u53e3\u53f7\u548c\u8fdb\u7a0b\u7684\u8fde\u63a5 ， \u800c Socket \u4e00\u822c\u53ea\u9002\u7528\u4e8e \u5ba2\u6237\u7aef\u4e00\u7aef \u4e0e \u670d\u52a1\u5668 \u7684\u8fde\u63a5， \u4f46\u662f\u90fd\u9002\u7528\u4e8e \u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef \u7684 \u83b7\u53d6\u8f93\u5165\u6d41\u4e0e\u8f93\u51fa\u6d41 \u7684\u64cd\u4f5c\u3002<\/li>\n
        • \n

          \u5728 \u540c\u4e00\u53f0\u4e3b\u673a \u4e0a，\u540c\u4e00\u4e2a\u534f\u8bae ， \u4e00\u4e2a \u7aef\u53e3\u53f7 \u76f4\u63a5\u8fde\u63a5 \u4e00\u4e2a\u8fdb\u7a0b \u3002<\/p>\n

          \u4f46\u662f\u5728\u4e0d\u540c\u534f\u8bae\u4e2d， \u4e00\u4e2a\u7aef\u53e3\u53f7 \u53ef\u4ee5\u8fde\u63a5 \u4e0d\u540c\u534f\u8bae \u4e0b\u7684\u8fdb\u7a0b\u3002<\/p>\n<\/li>\n

        • \u65e0\u8bba\u662f ServerSocket \u7c7b \u8fd8\u662f Socket \u7c7b ， \u90fd\u662f\u5c5e\u4e8e java.net \u4e0b\u7684\u5305\u7684\u7c7b\u3002<\/li>\n

          \u56de\u663e\u670d\u52a1\u5668\u7684\u666e\u901a\u5b9e\u73b0\u4ee3\u7801\u5c55\u793a<\/h3>\n

          <1>. \u670d\u52a1\u5668\u5b9e\u73b0<\/h4>\n

          package<\/span> echoTCP<\/span>;<\/span><\/p>\n

          import<\/span> java.<\/span>io.<\/span><\/span>IOException<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>InputStream<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>OutputStream<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>PrintWriter<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>net.<\/span><\/span>ServerSocket<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>net.<\/span><\/span>Socket<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>util.<\/span><\/span>Scanner<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>util.<\/span>concurrent.<\/span><\/span>Executor<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>util.<\/span>concurrent.<\/span><\/span>Executors<\/span><\/span>;<\/span><\/p>\n

          public<\/span> class<\/span> MyTcpEchoServer<\/span> {<\/span><\/p>\n

          ServerSocket<\/span> serverSocket =<\/span> null<\/span>;<\/span><\/p>\n

          \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \n public<\/span> MyTcpEchoServer<\/span>(<\/span>int<\/span> port)<\/span> {<\/span>
          \n try<\/span> {<\/span>
          \n \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \n serverSocket =<\/span> new<\/span> ServerSocket<\/span>(<\/span>port)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span><\/p>\n

          public<\/span> void<\/span> start<\/span>(<\/span>)<\/span> {<\/span>
          \n \/\/ \u5f00\u59cb\u4ea4\u4e92<\/span><\/p>\n

          System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"\u670d\u52a1\u5668\u5f00\u59cb\u8fd0\u884c…"<\/span>)<\/span>;<\/span>
          \n while<\/span>(<\/span>true<\/span>)<\/span> {<\/span>
          \n \/\/ \u4f7f\u7528\u7ebf\u7a0b\u6c60<\/span><\/p>\n

          Socket<\/span> socket =<\/span> null<\/span>;<\/span><\/p>\n

          try<\/span> {<\/span>
          \n socket =<\/span> serverSocket.<\/span>accept<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span><\/p>\n

          \/\/ \u8fdb\u884c\u63a5\u6536\u8bf7\u6c42\u5e76\u54cd\u5e94<\/span>
          \n ProcessServerConnect<\/span>(<\/span>socket)<\/span>;<\/span><\/p>\n

          }<\/span><\/p>\n

          }<\/span><\/p>\n

          private<\/span> void<\/span> ProcessServerConnect<\/span>(<\/span>Socket<\/span> socket)<\/span> {<\/span>
          \n try<\/span>(<\/span>InputStream<\/span> inputSTream =<\/span> socket.<\/span>getInputStream<\/span>(<\/span>)<\/span>;<\/span>
          \n OutputStream<\/span> outputStream =<\/span> socket.<\/span>getOutputStream<\/span>(<\/span>)<\/span>
          \n )<\/span> {<\/span><\/p>\n

          while<\/span>(<\/span>true<\/span>)<\/span> {<\/span><\/p>\n

          System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u5ba2\u6237\u7aef\u4e0a\u7ebf :<\/span> [<\/span>\u5ba2\u6237\u7aefip =<\/span> %<\/span>s,<\/span>
          \n \u5ba2\u6237\u7aef\u7aef\u53e3\u53f7 =<\/span> %<\/span>d]<\/span>\\\\n"
          \n ,<\/span>socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>
          \n socket.<\/span>getPort<\/span>(<\/span>)<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u5f97\u5230\u8bf7\u6c42<\/span>
          \n Scanner<\/span> scanner =<\/span> new<\/span> Scanner<\/span>(<\/span>inputSTream)<\/span>;<\/span>
          \n if<\/span>(<\/span>!<\/span>scanner.<\/span>hasNext<\/span>(<\/span>)<\/span>)<\/span> {<\/span>
          \n break<\/span>;<\/span>
          \n }<\/span><\/p>\n

          \/\/ \u5f97\u5230\u8bf7\u6c42<\/span>
          \n String<\/span> request =<\/span> scanner.<\/span>nextLine<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u8ba1\u7b97\u54cd\u5e94<\/span>
          \n \/\/ \u6267\u884c\u4e1a\u52a1<\/span>
          \n String<\/span> response =<\/span> process<\/span>(<\/span>request)<\/span>;<\/span><\/p>\n

          \/\/ \u8fd4\u56de\u54cd\u5e94<\/span>
          \n \/\/ \u8ba9\u5ba2\u6237\u7aef\u5f97\u5230\u4e1a\u52a1\u7684\u6267\u884c\u7ed3\u679c<\/span>
          \n PrintWriter<\/span> printWriter =<\/span> new<\/span>
          \n PrintWriter<\/span>(<\/span>outputStream)<\/span>;<\/span><\/p>\n

          \/\/ \u5f00\u59cb\u8fd4\u56de<\/span>
          \n printWriter.<\/span>println<\/span>(<\/span>response)<\/span>;<\/span>
          \n \/\/ \u8fdb\u884c\u5237\u65b0<\/span>
          \n printWriter.<\/span>flush<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u6253\u5370\u65e5\u5fd7<\/span>
          \n System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u5ba2\u6237\u7aef\u4e0b\u7ebf :<\/span> [<\/span>ip =<\/span> %<\/span>s ,<\/span>
          \n port =<\/span> %<\/span>d]<\/span>,<\/span> \u8bf7\u6c42 =<\/span> %<\/span>s ,<\/span> \u54cd\u5e94 =<\/span> %<\/span>s\\\\n",<\/span>
          \n socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>
          \n socket.<\/span>getPort<\/span>(<\/span>)<\/span>,<\/span>request,<\/span>response)<\/span>;<\/span><\/p>\n

          }<\/span><\/p>\n

          }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span> finally<\/span> {<\/span>
          \n System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u4efb\u52a1\u6267\u884c\u7ed3\u675f： [%s,%d]\\\\n"<\/span>,<\/span>
          \n socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>
          \n socket.<\/span>getPort<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
          \n try<\/span> {<\/span>
          \n\/\/ \u5173\u95ed socket \u6d41<\/span>
          \n socket.<\/span>close<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span><\/p>\n

          }<\/span><\/p>\n

          private<\/span> String<\/span> process<\/span>(<\/span>String<\/span> request)<\/span> {<\/span>
          \n return<\/span> request;<\/span>
          \n }<\/span><\/p>\n

          public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span> {<\/span>
          \n MyTcpEchoServer<\/span> myTcpEchoServer =<\/span> new<\/span> MyTcpEchoServer<\/span>(<\/span>9090<\/span>)<\/span>;<\/span>
          \n myTcpEchoServer.<\/span>start<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span>
          \n}<\/span><\/p>\n

          \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

          \u670d\u52a1\u5668\u4e00\u7aef\u7684\u5b9e\u73b0\u7684\u6574\u4f53\u6d41\u7a0b\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u6b65：<\/p>\n

        • \u521b\u5efa ServerSocket \u5bf9\u8c61 , \u5728\u6784\u9020\u65b9\u6cd5\u4e2d\u53c2\u6570\u5217\u8868\u6dfb\u52a0 \u7aef\u53e3\u53f7 ， \u5efa\u7acb\u7aef\u53e3\u53f7\u4e0e\u8fdb\u7a0b\u7684 \u8fde\u63a5 \u3002<\/li>\n

          \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \n serverSocket =<\/span> new<\/span> ServerSocket<\/span>(<\/span>port)<\/span>;<\/span><\/p>\n

        • \u8c03\u7528 accept \u65b9\u6cd5\u8ba9\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u8fdb\u884c，\u5e76\u8fd4\u56de\u4e00\u4e2a Socket \u5bf9\u8c61\u3002<\/li>\n

          Socket<\/span> socket =<\/span> null<\/span>;<\/span><\/p>\n

          try<\/span> {<\/span>
          \n socket =<\/span> serverSocket.<\/span>accept<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span><\/p>\n

        • \u83b7\u53d6\u5230\u8f93\u5165\u6d41，\u5229\u7528 Scanner \u5305\u88c5\u8f93\u5165\u6d41 \u5f97\u5230\u8bf7\u6c42 \u3002<\/li>\n

          \/\/ \u5f97\u5230\u8bf7\u6c42<\/span>
          \nScanner<\/span> scanner =<\/span> new<\/span> Scanner<\/span>(<\/span>inputSTream)<\/span>;<\/span>
          \nif<\/span>(<\/span>!<\/span>scanner.<\/span>hasNext<\/span>(<\/span>)<\/span>)<\/span> {<\/span>
          \n break<\/span>;<\/span>
          \n}<\/span><\/p>\n

          \/\/ \u5f97\u5230\u8bf7\u6c42<\/span>
          \nString<\/span> request =<\/span> scanner.<\/span>nextLine<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

        • \u8ba1\u7b97\u54cd\u5e94 \u5e76\u628a \u8f93\u51fa\u6d41\u5bf9\u8c61 \u5305\u88c5\u5230 printWriter \u8f93\u51fa\u5230\u5ba2\u6237\u7aef<\/li>\n

          \/\/ \u8ba1\u7b97\u54cd\u5e94<\/span>
          \n \/\/ \u6267\u884c\u4e1a\u52a1<\/span>
          \n String<\/span> response =<\/span> process<\/span>(<\/span>request)<\/span>;<\/span><\/p>\n

          \/\/ \u8fd4\u56de\u54cd\u5e94<\/span>
          \n \/\/ \u8ba9\u5ba2\u6237\u7aef\u5f97\u5230\u4e1a\u52a1\u7684\u6267\u884c\u7ed3\u679c<\/span>
          \n PrintWriter<\/span> printWriter =<\/span> new<\/span>
          \n PrintWriter<\/span>(<\/span>outputStream)<\/span>;<\/span><\/p>\n

          \/\/ \u5f00\u59cb\u8fd4\u56de<\/span>
          \n printWriter.<\/span>println<\/span>(<\/span>response)<\/span>;<\/span>
          \n\/\/ \u8fdb\u884c\u5237\u65b0<\/span>
          \n printWriter.<\/span>flush<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

        • \u6253\u5370\u65e5\u5fd7，\u5e76\u5173\u95ed Socket \u5bf9\u8c61<\/li>\n

          \/\/ \u6253\u5370\u65e5\u5fd7<\/span>
          \n System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u5ba2\u6237\u7aef\u4e0b\u7ebf :<\/span> [<\/span>ip =<\/span> %<\/span>s ,<\/span>
          \n port =<\/span> %<\/span>d]<\/span>,<\/span> \u8bf7\u6c42 =<\/span> %<\/span>s ,<\/span> \u54cd\u5e94 =<\/span> %<\/span>s\\\\n",<\/span>
          \n socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>
          \n socket.<\/span>getPort<\/span>(<\/span>)<\/span>,<\/span>request,<\/span>response)<\/span>;<\/span><\/p>\n

          }<\/span><\/p>\n

          }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span> finally<\/span> {<\/span>
          \n System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u4efb\u52a1\u6267\u884c\u7ed3\u675f： [%s,%d]\\\\n"<\/span>,<\/span>
          \n socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>
          \n socket.<\/span>getPort<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
          \n try<\/span> {<\/span>
          \n\/\/ \u5173\u95ed socket \u6d41<\/span>
          \n socket.<\/span>close<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span><\/p>\n

          \u9c7c\u5f0f\u75af\u8a00<\/h3>\n

          \u8865\u5145\u7ec6\u8282：<\/p>\n

        • \n

          \u5bf9\u4e8e\u5927\u90e8\u5206 IO\u6d41 \u6765\u8bf4， \u5e76\u4e0d\u662f \u8f93\u5165\u6216\u8f93\u51fa\u4e00\u4e2a\/ \u4e00\u6bb5 \u5c31\u4f1a\u52a0\u8f7d\u5230 \u786c\u76d8 , \u800c\u662f\u4f1a\u5b58\u653e\u5230\u4e00\u4e2a\u53eb \u7f13\u51b2\u533a\u7684\u5730\u65b9， \u5f53\u6570\u636e\u79ef\u6512\u5230 \u4e00\u5b9a\u7684\u91cf ， \u624d\u4f1a \u52a0\u8f7d\u8fc7\u53bb \u3002<\/p>\n

          \u6240\u4ee5\u6211\u4eec\u4e3a\u4e86\u6bcf\u6b21\u53ea\u52a0\u8f7d \u4e00\u4e2a \/ \u4e00\u6bb5\u6570\u636e ， \u53ef\u4ee5\u8c03\u7528 flush \u8fd9\u4e2a\u65b9\u6cd5 \u6765\u5c06 \u7f13\u51b2\u533a \u7684\u6570\u636e\u5168\u90e8 \u5237\u65b0\u51fa\u53bb\u3002<\/p>\n<\/li>\n

          \/\/ \u8fdb\u884c\u5237\u65b0<\/span>
          \n printWriter.<\/span>flush<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          \n
        • \u5c0f\u7f16\u5728\u8fd9\u91cc\u5229\u7528\u4e86 Scanner \u548c printWriter \u6765\u5305\u88c5\u8f93\u5165\u548c\u8f93\u51fa\u6d41\u3002 \u4f46\u662f\u5c0f\u4f19\u4f34\u4eec\u4e5f\u53ef\u4ee5\u5229\u7528\u5c0f\u7f16\u4e4b\u524d\u63d0\u53ca\u8fc7\u7684 IO\u6d41\u7684\u64cd\u4f5c\u65b9\u5f0f \u6765\u8fdb\u884c\u54e6， \u6548\u679c\u662f\u4e00\u6837\u7684 \u3002<\/li>\n

          \u5173\u4e8eIO\u7684\u6d41\u7684\u64cd\u4f5c\u6587\u7ae0， \u53ef\u4ee5\u591a\u5b66\u4e60\u5b66\u4e60\u5e76\u4e14\u56de\u53bb\u54e6 💖 💖 💖 💖<\/p>\n

          IO\u6d41\u7406\u8bba\u7bc7\u6587\u7ae0\u8be6\u89e3<\/p>\n

          IO\u6d41Java\u5b9e\u8df5\u7bc7\u6587\u7ae0\u8be6\u89e3<\/p>\n

        • \u5bf9\u4e8e\u4e0a\u8ff0 \u56de\u663e\u670d\u52a1\u5668 \u6765\u8bf4， \u670d\u52a1\u7aef\u4e00\u7aef accept（） \u53ea\u6709\u5f53\u670d\u52a1\u5668\u6bcf\u6b21\u53d1\u6765\u8bf7\u6c42\u65f6，\u624d\u4f1a\u8fdb\u884c \u8fde\u63a5， \u5426\u5219\u8fdb\u884c \u963b\u585e\u7b49\u5f85\u3002<\/li>\n

          <2>. \u5ba2\u6237\u7aef\u5b9e\u73b0<\/h4>\n

          package<\/span> echoTCP<\/span>;<\/span><\/p>\n

          import<\/span> java.<\/span>io.<\/span><\/span>IOException<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>InputStream<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>OutputStream<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>PrintWriter<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>net.<\/span><\/span>ServerSocket<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>net.<\/span><\/span>Socket<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>util.<\/span><\/span>Scanner<\/span><\/span>;<\/span><\/p>\n

          public<\/span> class<\/span> MyTcpEchoClient<\/span> {<\/span>
          \n Socket<\/span> clientSocket =<\/span> null<\/span>;<\/span><\/p>\n

          \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \n public<\/span> MyTcpEchoClient<\/span>(<\/span>String<\/span> ip ,<\/span> int<\/span> port)<\/span> {<\/span>
          \n try<\/span> {<\/span>
          \n \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \n clientSocket =<\/span> new<\/span> Socket<\/span>(<\/span>ip,<\/span> port)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span><\/p>\n

          public<\/span> void<\/span> start<\/span>(<\/span>)<\/span> {<\/span>
          \n \/\/ \u5f00\u59cb\u4ea4\u4e92<\/span><\/p>\n

          System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"\u5ba2\u6237\u7aef\u5f00\u59cb\u8fd0\u884c…"<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u53d1\u9001\u8bf7\u6c42\u5e76\u63a5\u53d7\u54cd\u5e94<\/span>
          \n ProcessServerConnect<\/span>(<\/span>clientSocket)<\/span>;<\/span><\/p>\n

          }<\/span><\/p>\n

          private<\/span> void<\/span> ProcessServerConnect<\/span>(<\/span>Socket<\/span> socket)<\/span> {<\/span>
          \n try<\/span>(<\/span>InputStream<\/span> inputSTream =<\/span> socket.<\/span>getInputStream<\/span>(<\/span>)<\/span>;<\/span>
          \n OutputStream<\/span> outputStream =<\/span> socket.<\/span>getOutputStream<\/span>(<\/span>)<\/span>
          \n )<\/span> {<\/span><\/p>\n

          while<\/span>(<\/span>true<\/span>)<\/span> {<\/span><\/p>\n

          Scanner<\/span> in =<\/span> new<\/span> Scanner<\/span>(<\/span>System<\/span>.<\/span>in)<\/span>;<\/span>
          \n System<\/span>.<\/span>out.<\/span>print<\/span>(<\/span>"\u8bf7\u8f93\u5165\u4f60\u7684\u9700\u6c42-> "<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u8f93\u5165\u8bf7\u6c42\u5e76\u53d1\u9001<\/span>
          \n String<\/span> request =<\/span> in.<\/span>nextLine<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          PrintWriter<\/span> printWriter =<\/span> new<\/span>
          \n PrintWriter<\/span>(<\/span>outputStream)<\/span>;<\/span>
          \n printWriter.<\/span>println<\/span>(<\/span>request)<\/span>;<\/span>
          \n \/\/ \u8fdb\u884c\u5237\u65b0<\/span>
          \n printWriter.<\/span>flush<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u63a5\u6536\u54cd\u5e94\u5e76\u8f93\u51fa<\/span>
          \n Scanner<\/span> scanner =<\/span> new<\/span> Scanner<\/span>(<\/span>inputSTream)<\/span>;<\/span>
          \n if<\/span>(<\/span>!<\/span>scanner.<\/span>hasNext<\/span>(<\/span>)<\/span>)<\/span> {<\/span>
          \n break<\/span>;<\/span>
          \n }<\/span><\/p>\n

          String<\/span> response =<\/span> scanner.<\/span>nextLine<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"response = "<\/span>+<\/span> response)<\/span>;<\/span><\/p>\n

          }<\/span><\/p>\n

          }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span> finally<\/span> {<\/span>
          \n System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u4efb\u52a1\u6267\u884c\u7ed3\u675f：
          \n [<\/span>%<\/span>s,<\/span>%<\/span>d]<\/span>\\\\n",<\/span>
          \n socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>
          \n socket.<\/span>getPort<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
          \n try<\/span> {<\/span>
          \n\/\/ \u5173\u95ed socket \u6d41<\/span>
          \n socket.<\/span>close<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span><\/p>\n

          }<\/span><\/p>\n

          public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span> {<\/span>
          \n MyTcpEchoClient<\/span> myTcpEchoClient =<\/span> new<\/span>
          \n MyTcpEchoClient<\/span>(<\/span>"127.0.0.1"<\/span>,<\/span>9090<\/span>)<\/span>;<\/span>
          \n myTcpEchoClient.<\/span>start<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span>
          \n}<\/span><\/p>\n

          \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

          \u5177\u4f53\u5ba2\u6237\u7aef\u4e00\u7aef\u7684\u6574\u4f53\u5b9e\u73b0\u6d41\u7a0b\u68b3\u7406：<\/p>\n

        • \u5b9e\u4f8b\u5316Socket \u5bf9\u8c61， \u5e76\u628a IP\u5730\u5740 \u548c \u7aef\u53e3\u53f7 \u4f5c\u4e3a Socket \u6784\u9020\u65b9\u6cd5\u7684\u53c2\u6570\u8fdb\u884c \u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u7aef \u7684\u8fde\u63a5\u3002<\/li>\n

          Socket<\/span> clientSocket =<\/span> null<\/span>;<\/span><\/p>\n

          \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \npublic<\/span> MyTcpEchoClient<\/span>(<\/span>String<\/span> ip ,<\/span> int<\/span> port)<\/span> {<\/span>
          \n try<\/span> {<\/span>
          \n \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \n clientSocket =<\/span> new<\/span> Socket<\/span>(<\/span>ip,<\/span> port)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n}<\/span><\/p>\n

        • \u8f93\u5165\u8bf7\u6c42 \u5e76\u53d1\u9001\u7ed9 \u5ba2\u6237\u7aef<\/li>\n

          Scanner<\/span> in =<\/span> new<\/span> Scanner<\/span>(<\/span>System<\/span>.<\/span>in)<\/span>;<\/span>
          \n System<\/span>.<\/span>out.<\/span>print<\/span>(<\/span>"\u8bf7\u8f93\u5165\u4f60\u7684\u9700\u6c42-> "<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u8f93\u5165\u8bf7\u6c42\u5e76\u53d1\u9001<\/span>
          \n String<\/span> request =<\/span> in.<\/span>nextLine<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          PrintWriter<\/span> printWriter =<\/span> new<\/span>
          \n PrintWriter<\/span>(<\/span>outputStream)<\/span>;<\/span>
          \n printWriter.<\/span>println<\/span>(<\/span>request)<\/span>;<\/span>
          \n \/\/ \u8fdb\u884c\u5237\u65b0<\/span>
          \n printWriter.<\/span>flush<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

        • \u63a5\u6536\u670d\u52a1\u5668\u8fd4\u56de\u7684 \u54cd\u5e94\u5e76\u8f93\u51fa<\/li>\n

          \/\/ \u63a5\u6536\u54cd\u5e94\u5e76\u8f93\u51fa<\/span>
          \n Scanner<\/span> scanner =<\/span> new<\/span> Scanner<\/span>(<\/span>inputSTream)<\/span>;<\/span>
          \n if<\/span>(<\/span>!<\/span>scanner.<\/span>hasNext<\/span>(<\/span>)<\/span>)<\/span> {<\/span>
          \n break<\/span>;<\/span>
          \n }<\/span><\/p>\n

          String<\/span> response =<\/span> scanner.<\/span>nextLine<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"response = "<\/span>+<\/span> response)<\/span>;<\/span><\/p>\n

        • \u5ba3\u5e03\u670d\u52a1\u5668\u6267\u884c\u7ed3\u675f， \u5e76 \u5173\u95edSocket\u5bf9\u8c61<\/li>\n

          finally<\/span> {<\/span>
          \n System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u4efb\u52a1\u6267\u884c\u7ed3\u675f：
          \n [<\/span>%<\/span>s,<\/span>%<\/span>d]<\/span>\\\\n",<\/span>
          \n socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>
          \n socket.<\/span>getPort<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
          \n try<\/span> {<\/span>
          \n\/\/ \u5173\u95ed socket \u6d41<\/span>
          \n socket.<\/span>close<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span><\/p>\n

          \u9c7c\u5f0f\u75af\u8a00<\/h3>\n

          \u8865\u5145\u7ec6\u8282 ：<\/p>\n

        • \u5bf9\u5e94\u4e0a\u8ff0\u4ee3\u7801\u4e2d\u7684 hasNext() \u65b9\u6cd5\u6765\u8bf4， \u51fa\u73b0\u4e86 \u6362\u884c \u624d\u4f1a break \u7ed3\u675f \u51fa\u53bb， \u800c\u5f53 \u670d\u52a1\u5668\/ \u5ba2\u6237\u7aef \u6ca1\u6709 \u53d1\u6765\u6570\u636e\u65f6， \u662f\u4f1a\u8fdb\u5165 \u963b\u585e\u7b49\u5f85 \u7684， \u4e0d\u4f1abreak \u76f4\u63a5\u8df3\u51fa\u3002<\/li>\n

          if<\/span>(<\/span>!<\/span>scanner.<\/span>hasNext<\/span>(<\/span>)<\/span>)<\/span> {<\/span>
          \n break<\/span>;<\/span>
          \n }<\/span><\/p>\n

          \u4e8c. Tcp \u56de\u663e\u670d\u52a1\u5668\u7684\u591a\u7ebf\u7a0b\u5b9e\u73b0<\/h2>\n

          1. \u4ee3\u7801\u5c55\u793a<\/h3>\n

          \u670d\u52a1\u5668\u6e90\u7801：<\/p>\n

          package<\/span> echoTCP<\/span>;<\/span><\/p>\n

          import<\/span> java.<\/span>io.<\/span><\/span>IOException<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>InputStream<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>OutputStream<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>PrintWriter<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>net.<\/span><\/span>ServerSocket<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>net.<\/span><\/span>Socket<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>util.<\/span><\/span>Scanner<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>util.<\/span>concurrent.<\/span><\/span>Executor<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>util.<\/span>concurrent.<\/span><\/span>Executors<\/span><\/span>;<\/span><\/p>\n

          public<\/span> class<\/span> MyTcpEchoServer<\/span> {<\/span><\/p>\n

          ServerSocket<\/span> serverSocket =<\/span> null<\/span>;<\/span><\/p>\n

          \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \n public<\/span> MyTcpEchoServer<\/span>(<\/span>int<\/span> port)<\/span> {<\/span>
          \n try<\/span> {<\/span>
          \n \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \n serverSocket =<\/span> new<\/span> ServerSocket<\/span>(<\/span>port)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span><\/p>\n

          public<\/span> void<\/span> start<\/span>(<\/span>)<\/span> {<\/span>
          \n \/\/ \u5f00\u59cb\u4ea4\u4e92<\/span><\/p>\n

          System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"\u670d\u52a1\u5668\u5f00\u59cb\u8fd0\u884c…"<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u4f7f\u7528\u591a\u7ebf\u7a0b<\/span><\/p>\n

          while<\/span>(<\/span>true<\/span>)<\/span> {<\/span>
          \n Thread<\/span> t =<\/span> new<\/span> Thread<\/span>(<\/span>(<\/span>)<\/span>-><\/span>{<\/span><\/p>\n

          Socket<\/span> socket =<\/span> null<\/span>;<\/span>
          \n try<\/span> {<\/span>
          \n socket =<\/span> serverSocket.<\/span>accept<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span><\/p>\n

          \/\/ \u8fdb\u884c\u63a5\u6536\u8bf7\u6c42\u5e76\u54cd\u5e94<\/span>
          \n ProcessServerConnect<\/span>(<\/span>socket)<\/span>;<\/span><\/p>\n

          }<\/span>)<\/span>;<\/span>
          \n t.<\/span>start<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span><\/p>\n

          }<\/span><\/p>\n

          private<\/span> void<\/span> ProcessServerConnect<\/span>(<\/span>Socket<\/span> socket)<\/span> {<\/span>
          \n try<\/span>(<\/span>InputStream<\/span> inputSTream =<\/span> socket.<\/span>getInputStream<\/span>(<\/span>)<\/span>;<\/span>
          \n OutputStream<\/span> outputStream =<\/span> socket.<\/span>getOutputStream<\/span>(<\/span>)<\/span>
          \n )<\/span> {<\/span><\/p>\n

          while<\/span>(<\/span>true<\/span>)<\/span> {<\/span><\/p>\n

          System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u5ba2\u6237\u7aef\u4e0a\u7ebf : [\u5ba2\u6237\u7aefip = %s,\u5ba2\u6237\u7aef\u7aef\u53e3\u53f7 = %d]\\\\n"<\/span>,<\/span>socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>socket.<\/span>getPort<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
          \n \/\/ \u5f97\u5230\u8bf7\u6c42<\/span>
          \n Scanner<\/span> scanner =<\/span> new<\/span> Scanner<\/span>(<\/span>inputSTream)<\/span>;<\/span>
          \n if<\/span>(<\/span>!<\/span>scanner.<\/span>hasNext<\/span>(<\/span>)<\/span>)<\/span> {<\/span>
          \n break<\/span>;<\/span>
          \n }<\/span><\/p>\n

          \/\/ \u5f97\u5230\u8bf7\u6c42<\/span>
          \n String<\/span> request =<\/span> scanner.<\/span>nextLine<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u8ba1\u7b97\u54cd\u5e94<\/span>
          \n \/\/ \u6267\u884c\u4e1a\u52a1<\/span>
          \n String<\/span> response =<\/span> process<\/span>(<\/span>request)<\/span>;<\/span><\/p>\n

          \/\/ \u8fd4\u56de\u54cd\u5e94<\/span>
          \n \/\/ \u8ba9\u5ba2\u6237\u7aef\u5f97\u5230\u4e1a\u52a1\u7684\u6267\u884c\u7ed3\u679c<\/span>
          \n PrintWriter<\/span> printWriter =<\/span> new<\/span> PrintWriter<\/span>(<\/span>outputStream)<\/span>;<\/span><\/p>\n

          \/\/ \u5f00\u59cb\u8fd4\u56de<\/span>
          \n printWriter.<\/span>println<\/span>(<\/span>response)<\/span>;<\/span>
          \n \/\/ \u8fdb\u884c\u5237\u65b0<\/span>
          \n printWriter.<\/span>flush<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u6253\u5370\u65e5\u5fd7<\/span>
          \n System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u5ba2\u6237\u7aef\u4e0b\u7ebf : [ip = %s , port = %d], \u8bf7\u6c42 = %s , \u54cd\u5e94 = %s\\\\n"<\/span>,<\/span>
          \n socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>socket.<\/span>getPort<\/span>(<\/span>)<\/span>,<\/span>request,<\/span>response)<\/span>;<\/span><\/p>\n

          }<\/span><\/p>\n

          }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span> finally<\/span> {<\/span>
          \n System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u4efb\u52a1\u6267\u884c\u7ed3\u675f： [%s,%d]\\\\n"<\/span>,<\/span>socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>socket.<\/span>getPort<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
          \n try<\/span> {<\/span>
          \n\/\/ \u5173\u95ed socket \u6d41<\/span>
          \n socket.<\/span>close<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span><\/p>\n

          }<\/span><\/p>\n

          private<\/span> String<\/span> process<\/span>(<\/span>String<\/span> request)<\/span> {<\/span>
          \n return<\/span> request;<\/span>
          \n }<\/span><\/p>\n

          public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span> {<\/span>
          \n MyTcpEchoServer<\/span> myTcpEchoServer =<\/span> new<\/span> MyTcpEchoServer<\/span>(<\/span>9090<\/span>)<\/span>;<\/span>
          \n myTcpEchoServer.<\/span>start<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span>
          \n}<\/span><\/p>\n

          \u5ba2\u6237\u7aef\u6e90\u7801 ：<\/p>\n

          package<\/span> echoTCP<\/span>;<\/span><\/p>\n

          import<\/span> java.<\/span>io.<\/span><\/span>IOException<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>InputStream<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>OutputStream<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>PrintWriter<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>net.<\/span><\/span>ServerSocket<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>net.<\/span><\/span>Socket<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>util.<\/span><\/span>Scanner<\/span><\/span>;<\/span><\/p>\n

          public<\/span> class<\/span> MyTcpEchoClient<\/span> {<\/span>
          \n Socket<\/span> clientSocket =<\/span> null<\/span>;<\/span><\/p>\n

          \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \n public<\/span> MyTcpEchoClient<\/span>(<\/span>String<\/span> ip ,<\/span> int<\/span> port)<\/span> {<\/span>
          \n try<\/span> {<\/span>
          \n \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \n clientSocket =<\/span> new<\/span> Socket<\/span>(<\/span>ip,<\/span> port)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span><\/p>\n

          public<\/span> void<\/span> start<\/span>(<\/span>)<\/span> {<\/span>
          \n \/\/ \u5f00\u59cb\u4ea4\u4e92<\/span>
          \n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"\u5ba2\u6237\u7aef\u5f00\u59cb\u8fd0\u884c…"<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u53d1\u9001\u8bf7\u6c42\u5e76\u63a5\u53d7\u54cd\u5e94<\/span>
          \n ProcessServerConnect<\/span>(<\/span>clientSocket)<\/span>;<\/span><\/p>\n

          }<\/span><\/p>\n

          private<\/span> void<\/span> ProcessServerConnect<\/span>(<\/span>Socket<\/span> socket)<\/span> {<\/span>
          \n try<\/span>(<\/span>InputStream<\/span> inputSTream =<\/span> socket.<\/span>getInputStream<\/span>(<\/span>)<\/span>;<\/span>
          \n OutputStream<\/span> outputStream =<\/span> socket.<\/span>getOutputStream<\/span>(<\/span>)<\/span>
          \n )<\/span> {<\/span><\/p>\n

          while<\/span>(<\/span>true<\/span>)<\/span> {<\/span><\/p>\n

          Scanner<\/span> in =<\/span> new<\/span> Scanner<\/span>(<\/span>System<\/span>.<\/span>in)<\/span>;<\/span>
          \n System<\/span>.<\/span>out.<\/span>print<\/span>(<\/span>"\u8bf7\u8f93\u5165\u4f60\u7684\u9700\u6c42-> "<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u8f93\u5165\u8bf7\u6c42\u5e76\u53d1\u9001<\/span>
          \n String<\/span> request =<\/span> in.<\/span>nextLine<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          PrintWriter<\/span> printWriter =<\/span> new<\/span> PrintWriter<\/span>(<\/span>outputStream)<\/span>;<\/span>
          \n printWriter.<\/span>println<\/span>(<\/span>request)<\/span>;<\/span>
          \n \/\/ \u8fdb\u884c\u5237\u65b0<\/span>
          \n printWriter.<\/span>flush<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u63a5\u6536\u54cd\u5e94\u5e76\u8f93\u51fa<\/span>
          \n Scanner<\/span> scanner =<\/span> new<\/span> Scanner<\/span>(<\/span>inputSTream)<\/span>;<\/span>
          \n if<\/span>(<\/span>!<\/span>scanner.<\/span>hasNext<\/span>(<\/span>)<\/span>)<\/span> {<\/span>
          \n break<\/span>;<\/span>
          \n }<\/span><\/p>\n

          String<\/span> response =<\/span> scanner.<\/span>nextLine<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"response = "<\/span>+<\/span> response)<\/span>;<\/span><\/p>\n

          }<\/span><\/p>\n

          }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span> finally<\/span> {<\/span>
          \n System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u4efb\u52a1\u6267\u884c\u7ed3\u675f： [%s,%d]\\\\n"<\/span>,<\/span>socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>socket.<\/span>getPort<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
          \n try<\/span> {<\/span>
          \n\/\/ \u5173\u95ed socket \u6d41<\/span>
          \n socket.<\/span>close<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span><\/p>\n

          }<\/span><\/p>\n

          public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span> {<\/span>
          \n MyTcpEchoClient<\/span> myTcpEchoClient =<\/span> new<\/span> MyTcpEchoClient<\/span>(<\/span>"127.0.0.1"<\/span>,<\/span>9090<\/span>)<\/span>;<\/span>
          \n myTcpEchoClient.<\/span>start<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span>
          \n}<\/span><\/p>\n

          \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

          2. \u539f\u7406\u5256\u6790<\/h3>\n

          \u5bf9\u4e8e\u591a\u7ebf\u7a0b\u7684\u56de\u663e\u670d\u52a1\u5668\u7684\u5b9e\u73b0， \u6700\u4e3b\u8981\u662f\u89e3\u51b3 \u591a\u4e2a \u5ba2\u6237\u7aef\u540c\u65f6\u7ed9 \u4e00\u4e2a \u670d\u52a1\u5668 \u53d1\u9001\u8bf7\u6c42 \u7684\u95ee\u9898\u3002<\/p>\n

          \u5bf9\u4e8e\u670d\u52a1\u5668\u6765\u8bf4 \u5916\u8fb9\u5957\u7740\u4e00\u4e2a\u5faa\u73af ， \u91cc\u9762\u53c8\u52a0\u4e86 \u4e00\u5c42\u5faa\u73af ， \u8fd9\u6837\u7684\u8bdd\u5c31\u4f1a\u5bfc\u81f4 \u4e24\u5c42\u5faa\u73af \u7684\u52a0\u5165<\/p>\n

          \u5f53 \u7b2c\u4e00\u4e2a\u5ba2\u6237\u7aef\u8fdb\u5165\u5185\u5faa\u73af \u65f6， \u5b83\u7684\u4efb\u52a1\u8fd8 \u6ca1\u7ed3\u675f， \u7b2c\u4e8c\u4e2a\u5ba2\u6237\u7aef\u5c31\u5411\u670d\u52a1\u5668 \u53d1\u9001\u8bf7\u6c42 ， \u8fd9\u65f6\u7531\u4e8e\u5185\u90e8\u7684\u8fd8 \u4e00\u76f4\u5faa\u73af， \u670d\u52a1\u5668\u5c31\u65e0\u6cd5\u8fdb\u5165\u5185\u5faa\u73af ， \u53ea\u80fd\u8ba9\u7b2c\u4e8c\u4e2a\u5ba2\u6237\u7aef\u4e00\u76f4\u505c\u7559\u5728 \u7f13\u51b2\u533a\u3002<\/p>\n

          \u8fd9\u65f6\u6211\u4eec\u5c31\u5f15\u5165 \u591a\u7ebf\u7a0b \u7684\u65b9\u5f0f， \u5c06\u6bcf\u4e00\u4e2a\u670d\u52a1\u5668\u90fd \u5206\u5e03\u540c\u65f6 \u6267\u884c\u5faa\u73af， \u8fd9\u6837\u5c31\u80fd\u4fdd\u8bc1\u4e0d\u4f1a\u8ba9 \u591a\u4e2a \u670d\u52a1\u5668\u4e00\u76f4\u963b\u585e\u5230 \u7f13\u51b2\u533a \u3002<\/p>\n

          \u5173\u4e8e\u4ee3\u7801\u7684\u5b9e\u73b0\u5b9e\u73b0\u6d41\u7a0b， \u53ea\u662f\u5728\u666e\u901a\u56de\u663e\u670d\u52a1\u5668\u7684\u57fa\u7840\u4e0a\u52a0\u4e86 \u4e00\u884c\u591a\u7ebf\u7a0b \u7684\u4ee3\u7801\u3002 \u5176\u4ed6\u90fd\u662f\u4e00\u6837\u7684， \u5c0f\u7f16\u5728\u8fd9\u91cc\u5c31 \u4e0d\u8d58\u8ff0\u4e86 \u3002<\/p>\n

          \u4e09. Tcp \u56de\u663e\u670d\u52a1\u5668\u7684\u7ebf\u7a0b\u6c60\u5b9e\u73b0<\/h2>\n

          1. \u4ee3\u7801\u5c55\u793a<\/h3>\n

          \u670d\u52a1\u5668\u4e00\u7aef：<\/p>\n

          package<\/span> echoTCP<\/span>;<\/span><\/p>\n

          import<\/span> java.<\/span>io.<\/span><\/span>IOException<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>InputStream<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>OutputStream<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>PrintWriter<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>net.<\/span><\/span>ServerSocket<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>net.<\/span><\/span>Socket<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>util.<\/span><\/span>Scanner<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>util.<\/span>concurrent.<\/span><\/span>Executor<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>util.<\/span>concurrent.<\/span><\/span>Executors<\/span><\/span>;<\/span><\/p>\n

          public<\/span> class<\/span> MyTcpEchoServer<\/span> {<\/span><\/p>\n

          ServerSocket<\/span> serverSocket =<\/span> null<\/span>;<\/span><\/p>\n

          \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \n public<\/span> MyTcpEchoServer<\/span>(<\/span>int<\/span> port)<\/span> {<\/span>
          \n try<\/span> {<\/span>
          \n \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \n serverSocket =<\/span> new<\/span> ServerSocket<\/span>(<\/span>port)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span><\/p>\n

          public<\/span> void<\/span> start<\/span>(<\/span>)<\/span> {<\/span>
          \n \/\/ \u5f00\u59cb\u4ea4\u4e92<\/span><\/p>\n

          System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"\u670d\u52a1\u5668\u5f00\u59cb\u8fd0\u884c…"<\/span>)<\/span>;<\/span>
          \n while<\/span>(<\/span>true<\/span>)<\/span> {<\/span>
          \n \/\/ \u4f7f\u7528\u7ebf\u7a0b\u6c60<\/span>
          \n Executor<\/span> executor =<\/span> Executors<\/span>.<\/span>newCachedThreadPool<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          executor.<\/span>execute<\/span>(<\/span>(<\/span>)<\/span> -><\/span> {<\/span><\/p>\n

          Socket<\/span> socket =<\/span> null<\/span>;<\/span><\/p>\n

          try<\/span> {<\/span>
          \n socket =<\/span> serverSocket.<\/span>accept<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span><\/p>\n

          \/\/ \u8fdb\u884c\u63a5\u6536\u8bf7\u6c42\u5e76\u54cd\u5e94<\/span>
          \n ProcessServerConnect<\/span>(<\/span>socket)<\/span>;<\/span><\/p>\n

          }<\/span>)<\/span>;<\/span>
          \n }<\/span><\/p>\n

          }<\/span><\/p>\n

          private<\/span> void<\/span> ProcessServerConnect<\/span>(<\/span>Socket<\/span> socket)<\/span> {<\/span>
          \n try<\/span>(<\/span>InputStream<\/span> inputSTream =<\/span> socket.<\/span>getInputStream<\/span>(<\/span>)<\/span>;<\/span>
          \n OutputStream<\/span> outputStream =<\/span> socket.<\/span>getOutputStream<\/span>(<\/span>)<\/span>
          \n )<\/span> {<\/span><\/p>\n

          while<\/span>(<\/span>true<\/span>)<\/span> {<\/span><\/p>\n

          System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u5ba2\u6237\u7aef\u4e0a\u7ebf : [\u5ba2\u6237\u7aefip = %s,\u5ba2\u6237\u7aef\u7aef\u53e3\u53f7 = %d]\\\\n"<\/span>,<\/span>socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>socket.<\/span>getPort<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
          \n \/\/ \u5f97\u5230\u8bf7\u6c42<\/span>
          \n Scanner<\/span> scanner =<\/span> new<\/span> Scanner<\/span>(<\/span>inputSTream)<\/span>;<\/span>
          \n if<\/span>(<\/span>!<\/span>scanner.<\/span>hasNext<\/span>(<\/span>)<\/span>)<\/span> {<\/span>
          \n break<\/span>;<\/span>
          \n }<\/span><\/p>\n

          \/\/ \u5f97\u5230\u8bf7\u6c42<\/span>
          \n String<\/span> request =<\/span> scanner.<\/span>nextLine<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u8ba1\u7b97\u54cd\u5e94<\/span>
          \n \/\/ \u6267\u884c\u4e1a\u52a1<\/span>
          \n String<\/span> response =<\/span> process<\/span>(<\/span>request)<\/span>;<\/span><\/p>\n

          \/\/ \u8fd4\u56de\u54cd\u5e94<\/span>
          \n \/\/ \u8ba9\u5ba2\u6237\u7aef\u5f97\u5230\u4e1a\u52a1\u7684\u6267\u884c\u7ed3\u679c<\/span>
          \n PrintWriter<\/span> printWriter =<\/span> new<\/span> PrintWriter<\/span>(<\/span>outputStream)<\/span>;<\/span><\/p>\n

          \/\/ \u5f00\u59cb\u8fd4\u56de<\/span>
          \n printWriter.<\/span>println<\/span>(<\/span>response)<\/span>;<\/span>
          \n \/\/ \u8fdb\u884c\u5237\u65b0<\/span>
          \n printWriter.<\/span>flush<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u6253\u5370\u65e5\u5fd7<\/span>
          \n System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u5ba2\u6237\u7aef\u4e0b\u7ebf : [ip = %s , port = %d], \u8bf7\u6c42 = %s , \u54cd\u5e94 = %s\\\\n"<\/span>,<\/span>
          \n socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>socket.<\/span>getPort<\/span>(<\/span>)<\/span>,<\/span>request,<\/span>response)<\/span>;<\/span><\/p>\n

          }<\/span><\/p>\n

          }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span> finally<\/span> {<\/span>
          \n System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u4efb\u52a1\u6267\u884c\u7ed3\u675f： [%s,%d]\\\\n"<\/span>,<\/span>socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>socket.<\/span>getPort<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
          \n try<\/span> {<\/span>
          \n\/\/ \u5173\u95ed socket \u6d41<\/span>
          \n socket.<\/span>close<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span><\/p>\n

          }<\/span><\/p>\n

          private<\/span> String<\/span> process<\/span>(<\/span>String<\/span> request)<\/span> {<\/span>
          \n return<\/span> request;<\/span>
          \n }<\/span><\/p>\n

          public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span> {<\/span>
          \n MyTcpEchoServer<\/span> myTcpEchoServer =<\/span> new<\/span> MyTcpEchoServer<\/span>(<\/span>9090<\/span>)<\/span>;<\/span>
          \n myTcpEchoServer.<\/span>start<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span>
          \n}<\/span><\/p>\n

          \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u5ba2\u6237\u7aef\u4e00\u7aef ：<\/p>\n

          package<\/span> echoTCP<\/span>;<\/span><\/p>\n

          import<\/span> java.<\/span>io.<\/span><\/span>IOException<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>InputStream<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>OutputStream<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>io.<\/span><\/span>PrintWriter<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>net.<\/span><\/span>ServerSocket<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>net.<\/span><\/span>Socket<\/span><\/span>;<\/span>
          \nimport<\/span> java.<\/span>util.<\/span><\/span>Scanner<\/span><\/span>;<\/span><\/p>\n

          public<\/span> class<\/span> MyTcpEchoClient<\/span> {<\/span>
          \n Socket<\/span> clientSocket =<\/span> null<\/span>;<\/span><\/p>\n

          \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \n public<\/span> MyTcpEchoClient<\/span>(<\/span>String<\/span> ip ,<\/span> int<\/span> port)<\/span> {<\/span>
          \n try<\/span> {<\/span>
          \n \/\/ \u8fdb\u884c\u8fde\u63a5<\/span>
          \n clientSocket =<\/span> new<\/span> Socket<\/span>(<\/span>ip,<\/span> port)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span><\/p>\n

          public<\/span> void<\/span> start<\/span>(<\/span>)<\/span> {<\/span>
          \n \/\/ \u5f00\u59cb\u4ea4\u4e92<\/span>
          \n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"\u5ba2\u6237\u7aef\u5f00\u59cb\u8fd0\u884c…"<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u53d1\u9001\u8bf7\u6c42\u5e76\u63a5\u53d7\u54cd\u5e94<\/span>
          \n ProcessServerConnect<\/span>(<\/span>clientSocket)<\/span>;<\/span><\/p>\n

          }<\/span><\/p>\n

          private<\/span> void<\/span> ProcessServerConnect<\/span>(<\/span>Socket<\/span> socket)<\/span> {<\/span>
          \n try<\/span>(<\/span>InputStream<\/span> inputSTream =<\/span> socket.<\/span>getInputStream<\/span>(<\/span>)<\/span>;<\/span>
          \n OutputStream<\/span> outputStream =<\/span> socket.<\/span>getOutputStream<\/span>(<\/span>)<\/span>
          \n )<\/span> {<\/span><\/p>\n

          while<\/span>(<\/span>true<\/span>)<\/span> {<\/span><\/p>\n

          Scanner<\/span> in =<\/span> new<\/span> Scanner<\/span>(<\/span>System<\/span>.<\/span>in)<\/span>;<\/span>
          \n System<\/span>.<\/span>out.<\/span>print<\/span>(<\/span>"\u8bf7\u8f93\u5165\u4f60\u7684\u9700\u6c42-> "<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u8f93\u5165\u8bf7\u6c42\u5e76\u53d1\u9001<\/span>
          \n String<\/span> request =<\/span> in.<\/span>nextLine<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          PrintWriter<\/span> printWriter =<\/span> new<\/span> PrintWriter<\/span>(<\/span>outputStream)<\/span>;<\/span>
          \n printWriter.<\/span>println<\/span>(<\/span>request)<\/span>;<\/span>
          \n \/\/ \u8fdb\u884c\u5237\u65b0<\/span>
          \n printWriter.<\/span>flush<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          \/\/ \u63a5\u6536\u54cd\u5e94\u5e76\u8f93\u51fa<\/span>
          \n Scanner<\/span> scanner =<\/span> new<\/span> Scanner<\/span>(<\/span>inputSTream)<\/span>;<\/span>
          \n if<\/span>(<\/span>!<\/span>scanner.<\/span>hasNext<\/span>(<\/span>)<\/span>)<\/span> {<\/span>
          \n break<\/span>;<\/span>
          \n }<\/span><\/p>\n

          String<\/span> response =<\/span> scanner.<\/span>nextLine<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"response = "<\/span>+<\/span> response)<\/span>;<\/span><\/p>\n

          }<\/span><\/p>\n

          }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span> finally<\/span> {<\/span>
          \n System<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>"\u4efb\u52a1\u6267\u884c\u7ed3\u675f： [%s,%d]\\\\n"<\/span>,<\/span>socket.<\/span>getInetAddress<\/span>(<\/span>)<\/span>,<\/span>socket.<\/span>getPort<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
          \n try<\/span> {<\/span>
          \n\/\/ \u5173\u95ed socket \u6d41<\/span>
          \n socket.<\/span>close<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span>
          \n }<\/span><\/p>\n

          }<\/span><\/p>\n

          public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span> {<\/span>
          \n MyTcpEchoClient<\/span> myTcpEchoClient =<\/span> new<\/span> MyTcpEchoClient<\/span>(<\/span>"127.0.0.1"<\/span>,<\/span>9090<\/span>)<\/span>;<\/span>
          \n myTcpEchoClient.<\/span>start<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span>
          \n}<\/span><\/p>\n

          \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

          \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

          \u4ee3\u7801\u8bf4\u660e<\/h3>\n

          \u5173\u4e8e\u7ebf\u7a0b\u6c60\u7684\u4ee3\u7801\u5b9e\u73b0： \u4e3b\u8981\u8fd8\u662f\u5728\u539f\u6765 \u666e\u901a \u56de\u663e\u670d\u52a1\u5668\u7684\u57fa\u7840\u4e0a， \u52a0\u4e0a\u4e86\u7ebf\u7a0b\u6c60\u7684 newCachedThreadPool \u5bf9\u8c61 \u3002<\/p>\n

          \u8fd9\u4e2a\u7ebf\u7a0b\u6c60\u5bf9\u8c61\u5728 \u4efb\u52a1\u7e41\u5fd9 \u65f6， \u6700\u591a\u53ef\u4ee5\u521b\u5efa\u51fa Integer.MAX_VALUES \u4e2a \u975e\u6838\u5fc3\u7ebf\u7a0b\u3002<\/p>\n

          \u5177\u4f53\u8be6\u60c5\u5c0f\u4f19\u4f34\u4eec\u53ef\u4ee5\u53c2\u8003\u591a\u7ebf\u7a0b\u7684\u6587\u7ae0， \u6709\u91cd\u70b9\u8bb2\u89e3\u54e6<\/p>\n

          \u591a\u7ebf\u7a0b\u5b9e\u8df5\u7bc7\u8be6\u89e3<\/p>\n

          \u975e\u5e38\u9002\u5408 \u670d\u52a1\u5668\u5f00\u53d1\u4f7f\u7528 \u3002<\/p>\n

          \/\/ \u4f7f\u7528\u7ebf\u7a0b\u6c60<\/span>
          \n Executor<\/span> executor =<\/span> Executors<\/span>.<\/span>newCachedThreadPool<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

          executor.<\/span>execute<\/span>(<\/span>(<\/span>)<\/span> -><\/span> {<\/span><\/p>\n

          Socket<\/span> socket =<\/span> null<\/span>;<\/span><\/p>\n

          try<\/span> {<\/span>
          \n socket =<\/span> serverSocket.<\/span>accept<\/span>(<\/span>)<\/span>;<\/span>
          \n }<\/span> catch<\/span> (<\/span>IOException<\/span> e)<\/span> {<\/span>
          \n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span>
          \n }<\/span><\/p>\n

          \/\/ \u8fdb\u884c\u63a5\u6536\u8bf7\u6c42\u5e76\u54cd\u5e94<\/span>
          \n ProcessServerConnect<\/span>(<\/span>socket)<\/span>;<\/span><\/p>\n

          }<\/span>)<\/span>;<\/span><\/p>\n

          \u9c7c\u5f0f\u75af\u8a00<\/h3>\n

          \u5982\u679c\u662f\u5927\u91cf\u7684\u5ba2\u6237\u7aef， \u6211\u4eec\u53ef\u80fd\u4f1a\u7528\u5230\u4e0a\u9762\u7684 \u7ebf\u7a0b\u6c60 \u6765\u4f7f\u7528\u3002<\/p>\n

          \u5982\u679c\u662f\u6d77\u91cf\u7684\u5ba2\u6237\u7aef\u4f7f\u7528， \u5c31\u4f1a\u4f7f\u7528 IO\u591a\u8def\u590d\u7528 （\u4e86\u89e3\u5373\u53ef）\u3002<\/p>\n

          \u603b\u7ed3<\/h2>\n
        • \n

          Tcp\u56de\u663e\u670d\u52a1\u5668\u7684\u666e\u901a\u5b9e\u73b0： \u4eceTcp \u7684\u56db\u5927\u7279\u70b9： \u6709\u8fde\u63a5， \u9762\u5411\u5b57\u8282\u6d41， \u53ef\u9760\u4f20\u8f93， \u5168\u53cc\u5de5 \u7684\u56db\u4e2a\u7279\u70b9\u5c55\u5f00\u4ecb\u7ecd Tcp \u7684\u4e24\u4e2a\u4e3b\u8981\u7f51\u7edc\u901a\u4fe1\u7684\u7c7b： ServerSocket \u548c Socket \u4e24\u4e2a\u7c7b ，\u5e76\u5728\u4ee3\u7801\u4e2d\u5145\u5206\u7684\u4f7f\u7528\u5e76\u7ed3\u5408\u7406\u89e3\u6d41\u7a0b\u3002<\/p>\n<\/li>\n

        • \n

          Tcp \u56de\u663e\u670d\u52a1\u5668\u7684 \u591a\u7ebf\u7a0b\u5b9e\u73b0 ： \u5229\u7528\u591a\u7ebf\u7a0b\u89e3\u51b3\u4e86\u4e00\u4e2a\u670d\u52a1\u5668\u53ea\u80fd\u89e3\u51b3\u4e00\u4e2a\u5ba2\u6237\u7aef\u7684\u95ee\u9898\u3002<\/p>\n<\/li>\n

        • \n

          Tcp \u56de\u663e\u670d\u52a1\u5668\u7684\u7ebf\u7a0b\u6c60\u5b9e\u73b0： \u4ece\u53e6\u5916\u4e00\u4e2a\u7ebf\u7a0b\u6c60\u7684\u89d2\u5ea6\u66f4\u89e3\u51b3\u5927\u91cf\u5ba2\u6237\u7aef\u7684\u95ee\u9898\u3002<\/p>\n<\/li>\n

          \u5982\u679c\u89c9\u5f97\u5c0f\u7f16\u5199\u7684\u8fd8\u4e0d\u9519\u7684\u54b1\u53ef\u652f\u6301 \u4e09\u8fde \u4e0b (\u5b9a\u6709\u56de\u8bbf\u54e6) , \u4e0d\u59a5\u5f53\u7684\u54b1\u8bf7\u8bc4\u8bba\u533a \u6307\u6b63<\/p>\n

          \u5e0c\u671b\u6211\u7684\u6587\u7ae0\u80fd\u7ed9\u5404\u4f4d\u5b9d\u5b50\u4eec\u5e26\u6765\u54ea\u6015\u4e00\u70b9\u70b9\u7684\u6536\u83b7\u5c31\u662f \u5c0f\u7f16\u521b\u4f5c \u7684\u6700\u5927 \u52a8\u529b 💖 💖 💖<\/p>\n

          \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n","protected":false},"excerpt":{"rendered":"

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