{"id":120655,"date":"2026-10-31T23:48:45","date_gmt":"2026-10-31T15:48:45","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/120655.html"},"modified":"2026-10-31T23:48:45","modified_gmt":"2026-10-31T15:48:45","slug":"%e3%80%90%e8%ae%a1%e7%ae%97%e6%9c%ba%e7%bd%91%e7%bb%9c%e3%80%91%e7%ac%ac-3-%e7%af%87%ef%bc%9amac-%e5%9c%b0%e5%9d%80%e3%80%81ip-%e5%9c%b0%e5%9d%80%e5%92%8c%e7%ab%af%e5%8f%a3%e6%9c%89%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/120655.html","title":{"rendered":"\u3010\u8ba1\u7b97\u673a\u7f51\u7edc\u3011\u7b2c 3 \u7bc7\uff1aMAC \u5730\u5740\u3001IP \u5730\u5740\u548c\u7aef\u53e3\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u4e00\u6b21\u8bb2\u6e05\u695a"},"content":{"rendered":"

\u7cfb\u5217： \u4ece 0 \u5f00\u59cb\u5b66\u4e60\u8ba1\u7b97\u673a\u7f51\u7edc \u9002\u5408\u8bfb\u8005： \u8ba1\u7b97\u673a\u4e13\u4e1a\u5b66\u751f\u3001\u7f51\u7edc\u57fa\u7840\u8584\u5f31\u7684\u5f00\u53d1\u8005\u3001Java \u540e\u7aef\u5b66\u4e60\u8005 \u672c\u6587\u5173\u952e\u8bcd： MAC \u5730\u5740\u3001IP \u5730\u5740\u3001\u7aef\u53e3\u53f7\u3001TCP \u8fde\u63a5\u3001Java \u540e\u7aef<\/p>\n

\u4e00\u3001\u5f15\u8a00：\u8bbf\u95ee\u4e00\u4e2a\u63a5\u53e3，\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u8fd9\u4e48\u591a\u5730\u5740？<\/h3>\n

\u5728 Java \u540e\u7aef\u5f00\u53d1\u4e2d，\u6211\u4eec\u7ecf\u5e38\u8bbf\u95ee\u8fd9\u6837\u7684\u5730\u5740：<\/p>\n

http:\/\/192.168.1.20:8080\/api\/hello<\/p>\n

\u8fd9\u91cc\u80fd\u770b\u5230 IP \u5730\u5740\u548c\u7aef\u53e3\u53f7\u3002\u4e0e\u6b64\u540c\u65f6，\u7535\u8111\u7f51\u5361\u8fd8\u6709 MAC \u5730\u5740\u3002\u5b83\u4eec\u90fd\u50cf\u662f\u5728\u201c\u6807\u8bc6\u67d0\u4e2a\u4e1c\u897f\u201d，\u4f46\u4f5c\u7528\u5e76\u4e0d\u76f8\u540c\u3002<\/p>\n

\u5982\u679c\u628a MAC \u5730\u5740\u3001IP \u5730\u5740\u548c\u7aef\u53e3\u6df7\u4e3a\u4e00\u8c08，\u5c31\u5f88\u96be\u7406\u89e3：\u5ba2\u6237\u7aef\u8bbf\u95ee\u8fdc\u7a0b\u670d\u52a1\u5668\u65f6，\u7f51\u7edc\u7a76\u7adf\u6839\u636e\u4ec0\u4e48\u628a\u6570\u636e\u9001\u5230\u6b63\u786e\u7684\u4f4d\u7f6e？<\/p>\n

\u672c\u6587\u4f1a\u7528\u4e00\u4e2a\u8bf7\u6c42\u573a\u666f\u89e3\u91ca\u4e09\u8005\u7684\u5206\u5de5，\u5e76\u8bf4\u660e\u4e3a\u4ec0\u4e48\u8bbf\u95ee\u8fdc\u7a0b\u670d\u52a1\u5668\u65f6，\u5ba2\u6237\u7aef\u53d1\u51fa\u7684\u7b2c\u4e00\u5e27\u901a\u5e38\u5e76\u4e0d\u4f1a\u628a\u8fdc\u7aef\u670d\u52a1\u5668\u7684 MAC \u5730\u5740\u4f5c\u4e3a\u76ee\u7684\u5730\u5740\u3002<\/p>\n

\u4e8c\u3001\u5148\u8bb0\u4f4f\u4e09\u8005\u7684\u5206\u5de5<\/h3>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\u540d\u79f0\u4e3b\u8981\u4f5c\u7528\u53ef\u4ee5\u5148\u600e\u4e48\u7406\u89e3<\/tr>\n\n\n\n\n
MAC \u5730\u5740<\/td>\n\u94fe\u8def\u5c42\u5e27\u5728\u5f53\u524d\u94fe\u8def\u4e0a\u7684\u4ea4\u4ed8<\/td>\n\u5f53\u524d\u8fd9\u4e00\u8df3\u628a\u5e27\u4ea4\u7ed9\u8c01<\/td>\n<\/tr>\n
IP \u5730\u5740<\/td>\n\u7f51\u7edc\u5c42\u5bfb\u5740\u548c\u8def\u7531\u8f6c\u53d1<\/td>\n\u6570\u636e\u6700\u7ec8\u8981\u53bb\u54ea\u4e2a\u7f51\u7edc\u5730\u5740<\/td>\n<\/tr>\n
\u7aef\u53e3\u53f7<\/td>\n\u533a\u5206\u4f20\u8f93\u5c42\u901a\u4fe1\u7aef\u70b9<\/td>\n\u6570\u636e\u4ea4\u7ed9\u54ea\u4e2a\u670d\u52a1\u6216\u901a\u4fe1\u7aef\u70b9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5b83\u4eec\u4e0d\u662f\u4e09\u79cd\u4e92\u76f8\u7ade\u4e89\u7684\u5730\u5740，\u800c\u662f\u5728\u4e0d\u540c\u5c42\u6b21\u534f\u540c\u5de5\u4f5c\u3002<\/p>\n

\u4e09\u3001MAC \u5730\u5740：\u5f53\u524d\u94fe\u8def\u4e0a\u7684\u5e27\u4ea4\u7ed9\u8c01？<\/h3>\n

MAC \u5730\u5740\u5e38\u89c1\u4e8e\u4ee5\u592a\u7f51\u548c Wi-Fi \u7b49\u94fe\u8def\u6280\u672f\u4e2d\u3002\u4ee5\u592a\u7f51\u5e27\u9996\u90e8\u5305\u542b\u6e90 MAC \u5730\u5740\u548c\u76ee\u7684 MAC \u5730\u5740，\u5e2e\u52a9\u94fe\u8def\u4e0a\u7684\u8bbe\u5907\u5904\u7406\u5e27\u3002<\/p>\n

\u4f8b\u5982，\u5728\u4e00\u4e2a\u5c40\u57df\u7f51\u91cc：<\/p>\n

\u5ba2\u6237\u7aef MAC：AA-AA-AA-AA-AA-AA
\n\u7f51\u5173 MAC： BB-BB-BB-BB-BB-BB<\/p>\n

\u5f53\u5ba2\u6237\u7aef\u8981\u628a IP \u5305\u4ea4\u7ed9\u540c\u4e00\u5c40\u57df\u7f51\u4e2d\u7684\u9ed8\u8ba4\u7f51\u5173\u65f6，\u4ee5\u592a\u7f51\u5e27\u53ef\u4ee5\u4f7f\u7528\u5ba2\u6237\u7aef MAC \u4f5c\u4e3a\u6e90 MAC\u3001\u7f51\u5173 MAC \u4f5c\u4e3a\u76ee\u7684 MAC\u3002<\/p>\n

3.1 MAC \u5730\u5740\u662f\u4e0d\u662f\u8bbe\u5907\u6c38\u8fdc\u4e0d\u53d8\u7684\u8eab\u4efd\u8bc1？<\/h4>\n

\u4e0d\u662f\u3002MAC \u5730\u5740\u901a\u5e38\u7531\u7f51\u7edc\u63a5\u53e3\u4f7f\u7528，\u4f46\u5b83\u5e76\u4e0d\u662f\u53ef\u9760\u7684\u5168\u7403\u8bbe\u5907\u8eab\u4efd\u8bc1：<\/p>\n

    \n
  • \u7f51\u7edc\u63a5\u53e3\u53ef\u80fd\u6709\u51fa\u5382\u5206\u914d\u7684\u5730\u5740；<\/li>\n
  • \u8f6f\u4ef6\u53ef\u4ee5\u914d\u7f6e\u6216\u4f2a\u88c5 MAC \u5730\u5740；<\/li>\n
  • Wi-Fi \u8bbe\u5907\u53ef\u80fd\u4f7f\u7528\u968f\u673a\u5316 MAC \u5730\u5740\u6765\u51cf\u5c11\u8ddf\u8e2a；<\/li>\n
  • \u865a\u62df\u673a\u3001\u5bb9\u5668\u7f51\u7edc\u548c\u865a\u62df\u7f51\u5361\u4e5f\u53ef\u80fd\u6709\u81ea\u5df1\u7684 MAC \u5730\u5740\u3002<\/li>\n<\/ul>\n

    \u56e0\u6b64，\u66f4\u51c6\u786e\u7684\u7406\u89e3\u662f：MAC \u5730\u5740\u7528\u4e8e\u7279\u5b9a\u94fe\u8def\u6280\u672f\u4e2d\u7684\u5e27\u4ea4\u4ed8，\u4e0d\u9002\u5408\u76f4\u63a5\u5f53\u4f5c\u67d0\u53f0\u7269\u7406\u8bbe\u5907\u6c38\u4e45\u4e0d\u53d8\u7684\u8eab\u4efd\u3002<\/p>\n

    3.2 MAC \u5730\u5740\u80fd\u4e0d\u80fd\u76f4\u63a5\u628a\u6570\u636e\u9001\u5230\u4efb\u4f55\u5730\u65b9？<\/h4>\n

    \u4e0d\u80fd\u3002MAC \u5730\u5740\u901a\u5e38\u53ea\u5728\u5f53\u524d\u94fe\u8def\u4ea4\u4ed8\u8fc7\u7a0b\u4e2d\u8d77\u4f5c\u7528\u3002\u8de8\u8d8a\u8def\u7531\u5668\u65f6，\u8def\u7531\u5668\u4f1a\u5904\u7406\u6536\u5230\u7684\u94fe\u8def\u5c42\u5e27，\u5e76\u4e3a\u4e0b\u4e00\u6761\u94fe\u8def\u91cd\u65b0\u5c01\u88c5\u6570\u636e\u3002<\/p>\n

    \u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u8fdc\u7a0b\u670d\u52a1\u5668\u7684 MAC \u5730\u5740\u901a\u5e38\u4e0d\u4f1a\u51fa\u73b0\u5728\u5ba2\u6237\u7aef\u53d1\u51fa\u7684\u7b2c\u4e00\u8df3\u4ee5\u592a\u7f51\u5e27\u4e2d\u3002<\/p>\n

    \u56db\u3001IP \u5730\u5740：\u6570\u636e\u8981\u53bb\u54ea\u4e2a\u7f51\u7edc\u4f4d\u7f6e？<\/h3>\n

    IP \u5730\u5740\u7528\u4e8e\u7f51\u7edc\u5c42\u5bfb\u5740\u548c\u8def\u7531\u8f6c\u53d1\u3002\u5e38\u89c1\u7248\u672c\u6709 IPv4 \u548c IPv6\u3002<\/p>\n

    \u4f8b\u5982：<\/p>\n

    \u5ba2\u6237\u7aef IP：192.168.1.10
    \n\u670d\u52a1\u7aef IP：203.0.113.20<\/p>\n

    \u5f53\u5ba2\u6237\u7aef\u8bbf\u95ee\u8fdc\u7a0b\u670d\u52a1\u65f6，IP \u5c42\u4f1a\u6839\u636e\u76ee\u6807 IP \u5730\u5740\u8fdb\u884c\u5bfb\u5740\u3002\u8def\u7531\u5668\u67e5\u770b\u8def\u7531\u4fe1\u606f，\u51b3\u5b9a\u5e94\u8be5\u628a IP \u5305\u8f6c\u53d1\u5230\u54ea\u91cc\u3002<\/p>\n

    \u9700\u8981\u6ce8\u610f：IP \u5730\u5740\u4e0d\u4e00\u5b9a\u662f\u8bbe\u5907\u6c38\u4e45\u56fa\u5b9a\u7684\u3002\u5b83\u53ef\u80fd\u7531 DHCP \u5206\u914d\u3001\u7531\u7ba1\u7406\u5458\u914d\u7f6e，\u4e5f\u53ef\u80fd\u56e0\u7f51\u7edc\u5207\u6362\u800c\u6539\u53d8\u3002\u7ecf\u8fc7 NAT（\u7f51\u7edc\u5730\u5740\u8f6c\u6362）\u8bbe\u5907\u65f6，IP \u5730\u5740\u6216\u7aef\u53e3\u4e5f\u53ef\u80fd\u88ab\u6539\u5199\u3002<\/p>\n

    4.1 \u4e3a\u4ec0\u4e48\u8fd8\u9700\u8981 MAC \u5730\u5740？<\/h4>\n

    \u56e0\u4e3a IP \u5730\u5740\u548c MAC \u5730\u5740\u89e3\u51b3\u7684\u95ee\u9898\u4e0d\u540c\u3002<\/p>\n

      \n
    • IP \u5730\u5740\u652f\u6301\u8de8\u7f51\u7edc\u5bfb\u5740\u548c\u8def\u7531；<\/li>\n
    • MAC \u5730\u5740\u5e2e\u52a9\u5f53\u524d\u94fe\u8def\u628a\u5e27\u4ea4\u7ed9\u4e0b\u4e00\u8df3\u3002<\/li>\n<\/ul>\n

      \u53ef\u4ee5\u628a\u8de8\u7f51\u6bb5\u53d1\u9001\u7406\u89e3\u4e3a：IP \u5305\u643a\u5e26\u7740\u7aef\u5230\u7aef\u901a\u4fe1\u6240\u9700\u7684\u7f51\u7edc\u5c42\u5730\u5740\u4fe1\u606f，\u800c\u6bcf\u4e00\u8df3\u7684\u94fe\u8def\u5c42\u5e27\u8d1f\u8d23\u628a\u5b83\u9001\u5230\u5f53\u524d\u94fe\u8def\u7684\u4e0b\u4e00\u7ad9\u3002<\/p>\n

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

      \u5047\u8bbe\u5ba2\u6237\u7aef 192.168.1.10 \u8bbf\u95ee\u8fdc\u7aef\u670d\u52a1 203.0.113.20：<\/p>\n

    • \u5ba2\u6237\u7aef\u5224\u65ad\u76ee\u6807\u4e0d\u5728\u672c\u5730\u5b50\u7f51，\u9700\u8981\u4ea4\u7ed9\u9ed8\u8ba4\u7f51\u5173\u3002<\/li>\n
    • \u5ba2\u6237\u7aef\u901a\u8fc7 ARP \u7b49\u673a\u5236\u89e3\u6790\u672c\u5730\u7f51\u5173\u7684 IPv4 \u5730\u5740\u5bf9\u5e94\u7684 MAC \u5730\u5740（\u5177\u4f53\u8fc7\u7a0b\u53d6\u51b3\u4e8e\u7f51\u7edc\u73af\u5883）\u3002<\/li>\n
    • \u7b2c\u4e00\u8df3\u4ee5\u592a\u7f51\u5e27\u7684\u76ee\u7684 MAC \u901a\u5e38\u662f\u7f51\u5173\u7684 MAC，\u800c IP \u5305\u7684\u76ee\u7684 IP \u4ecd\u662f\u8fdc\u7aef\u670d\u52a1\u5668\u7684 IP\u3002<\/li>\n
    • \u8def\u7531\u5668\u6839\u636e\u8def\u7531\u4fe1\u606f\u8f6c\u53d1 IP \u5305，\u5e76\u4f7f\u7528\u51fa\u53e3\u94fe\u8def\u5bf9\u5e94\u7684\u94fe\u8def\u5c42\u683c\u5f0f\u91cd\u65b0\u5c01\u88c5\u3002<\/li>\n
    • \u5728\u6700\u7ec8\u94fe\u8def\u4e0a，\u5e27\u7684\u76ee\u7684 MAC \u624d\u4f1a\u6307\u5411\u76ee\u6807\u670d\u52a1\u5668\u6240\u5728\u94fe\u8def\u4e0a\u7684\u4e0b\u4e00\u8df3\u63a5\u53e3；\u5728\u76f4\u8fde\u4ee5\u592a\u7f51\u573a\u666f\u4e2d\u901a\u5e38\u662f\u670d\u52a1\u5668\u7f51\u5361\u7684 MAC\u3002<\/li>\n

      \u5728\u6ca1\u6709 NAT \u7684\u7b80\u5316\u573a\u666f\u4e2d，\u6e90 IP \u548c\u76ee\u7684 IP \u901a\u5e38\u4fdd\u6301\u4e0d\u53d8；\u4f46 IPv4 TTL \u4f1a\u5728\u8def\u7531\u8f6c\u53d1\u65f6\u9012\u51cf\u3002\u771f\u5b9e\u7f51\u7edc\u53ef\u80fd\u8fd8\u6d89\u53ca\u96a7\u9053\u3001NAT\u3001\u9632\u706b\u5899\u548c\u5176\u4ed6\u5904\u7406\u3002<\/p>\n

      \u4e94\u3001\u7aef\u53e3\u53f7：\u4e00\u53f0\u673a\u5668\u8fd0\u884c\u591a\u4e2a\u670d\u52a1，\u6570\u636e\u4ea4\u7ed9\u8c01？<\/h3>\n

      IP \u5730\u5740\u53ef\u4ee5\u628a\u6570\u636e\u9001\u5230\u76ee\u6807\u4e3b\u673a，\u4f46\u4e00\u53f0\u4e3b\u673a\u53ef\u80fd\u540c\u65f6\u8fd0\u884c\u591a\u4e2a\u7f51\u7edc\u670d\u52a1\u3002\u4f20\u8f93\u5c42\u9700\u8981\u8fdb\u4e00\u6b65\u533a\u5206\u901a\u4fe1\u7aef\u70b9，TCP \u548c UDP \u90fd\u4f7f\u7528\u7aef\u53e3\u53f7\u3002<\/p>\n

      \u4f8b\u5982，\u4e00\u53f0\u670d\u52a1\u5668\u53ef\u80fd\u63d0\u4f9b：<\/p>\n\n\u670d\u52a1\u793a\u4f8b\u7aef\u53e3\u5e38\u89c1\u7528\u9014<\/tr>\n\n\n\n\n\n
      HTTP \u670d\u52a1<\/td>\n80<\/td>\n\u5e38\u89c1 HTTP \u9ed8\u8ba4\u7aef\u53e3<\/td>\n<\/tr>\n
      HTTPS \u670d\u52a1<\/td>\n443<\/td>\n\u5e38\u89c1 HTTPS \u9ed8\u8ba4\u7aef\u53e3<\/td>\n<\/tr>\n
      \u81ea\u5b9a\u4e49 Spring Boot \u670d\u52a1<\/td>\n8080<\/td>\n\u5f00\u53d1\u6216\u90e8\u7f72\u4e2d\u5e38\u89c1\u7684\u5e94\u7528\u7aef\u53e3<\/td>\n<\/tr>\n
      MySQL \u670d\u52a1<\/td>\n3306<\/td>\n\u5e38\u89c1\u9ed8\u8ba4\u7aef\u53e3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u8fd9\u4e9b\u53ea\u662f\u5e38\u89c1\u7ea6\u5b9a，\u670d\u52a1\u53ef\u4ee5\u914d\u7f6e\u4e3a\u76d1\u542c\u5176\u4ed6\u7aef\u53e3\u3002\u7aef\u53e3\u53f7\u8303\u56f4\u4e3a 0～65535，\u5176\u4e2d 0 \u901a\u5e38\u4fdd\u7559\u4f5c\u7279\u6b8a\u7528\u9014；\u5b9e\u9645\u5e94\u7528\u4e00\u822c\u4e0d\u4f1a\u628a 0 \u5f53\u4f5c\u666e\u901a\u670d\u52a1\u7aef\u53e3\u6765\u76d1\u542c\u3002<\/p>\n

      5.1 \u6e90\u7aef\u53e3\u548c\u76ee\u7684\u7aef\u53e3<\/h4>\n

      \u5f53\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u8d77 TCP \u8fde\u63a5\u65f6，\u901a\u4fe1\u4e24\u7aef\u90fd\u6709\u7aef\u53e3\u4fe1\u606f：<\/p>\n

      \u5ba2\u6237\u7aef：192.168.1.10:53124
      \n\u670d\u52a1\u7aef：203.0.113.20:8080<\/p>\n

      \u8fd9\u91cc：<\/p>\n

        \n
      • 53124 \u662f\u793a\u4f8b\u5ba2\u6237\u7aef\u6e90\u7aef\u53e3，\u901a\u5e38\u7531\u64cd\u4f5c\u7cfb\u7edf\u4ece\u53ef\u7528\u7684\u4e34\u65f6\u7aef\u53e3\u8303\u56f4\u4e2d\u9009\u62e9；<\/li>\n
      • 8080 \u662f\u793a\u4f8b\u670d\u52a1\u7aef\u53e3，\u5e94\u7528\u670d\u52a1\u53ef\u4ee5\u76d1\u542c\u5b83；<\/li>\n
      • \u8fd9\u4e9b\u7aef\u53e3\u503c\u4ec5\u7528\u4e8e\u8bf4\u660e，\u4e0d\u4ee3\u8868\u67d0\u6b21\u771f\u5b9e\u6293\u5305\u7ed3\u679c\u3002<\/li>\n<\/ul>\n

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

        \u7aef\u53e3\u53f7\u4e0d\u662f\u67d0\u4e2a\u8fdb\u7a0b\u6c38\u4e45\u4e0d\u53d8\u7684\u8eab\u4efd\u8bc1\u3002\u7aef\u53e3\u7684\u5206\u914d\u548c\u4f7f\u7528\u53d7\u64cd\u4f5c\u7cfb\u7edf\u3001\u4f20\u8f93\u534f\u8bae\u53ca\u5e94\u7528\u884c\u4e3a\u5f71\u54cd；TCP \u548c UDP \u7684\u7aef\u53e3\u7a7a\u95f4\u4e5f\u9700\u8981\u7ed3\u5408\u5404\u81ea\u534f\u8bae\u7406\u89e3\u3002<\/p>\n

        5.2 \u4e3a\u4ec0\u4e48 TCP \u8fde\u63a5\u4e0d\u53ea\u770b\u7aef\u53e3\u53f7？<\/h4>\n

        \u540c\u4e00\u53f0\u670d\u52a1\u5668\u7684 TCP 8080 \u7aef\u53e3\u53ef\u4ee5\u540c\u65f6\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u3002\u64cd\u4f5c\u7cfb\u7edf\u548c TCP \u534f\u8bae\u6808\u4f1a\u7ed3\u5408\u8fde\u63a5\u4e24\u7aef\u7684\u5730\u5740\u548c\u7aef\u53e3\u7b49\u4fe1\u606f\u533a\u5206\u8fde\u63a5\u3002<\/p>\n

        \u4e00\u4e2a TCP \u8fde\u63a5\u901a\u5e38\u53ef\u7528\u4ee5\u4e0b\u56db\u5143\u7ec4\u63cf\u8ff0：<\/p>\n

        \u6e90 IP + \u6e90\u7aef\u53e3 + \u76ee\u7684 IP + \u76ee\u7684\u7aef\u53e3<\/p>\n

        \u5982\u679c\u628a\u4f20\u8f93\u5c42\u534f\u8bae\u4e5f\u7eb3\u5165\u533a\u5206，\u5219\u5e38\u8bf4\u7684\u4e94\u5143\u7ec4\u662f：<\/p>\n

        \u4f20\u8f93\u5c42\u534f\u8bae + \u6e90 IP + \u6e90\u7aef\u53e3 + \u76ee\u7684 IP + \u76ee\u7684\u7aef\u53e3<\/p>\n

        \u8fd9\u6709\u52a9\u4e8e\u7406\u89e3\u4e3a\u4ec0\u4e48\u591a\u4e2a\u5ba2\u6237\u7aef\u53ef\u4ee5\u540c\u65f6\u8bbf\u95ee\u540c\u4e00\u4e2a\u670d\u52a1\u7aef\u53e3，\u800c\u4e0d\u4f1a\u56e0\u4e3a\u76ee\u7684\u7aef\u53e3\u76f8\u540c\u5c31\u88ab\u89c6\u4e3a\u540c\u4e00\u6761 TCP \u8fde\u63a5\u3002<\/p>\n

        \u516d\u3001\u628a\u4e09\u8005\u653e\u8fdb\u4e00\u6b21 Java HTTP \u8bf7\u6c42\u91cc<\/h3>\n

        \u4e0b\u9762\u4f7f\u7528 Java 11 \u53ca\u4ee5\u4e0a\u7248\u672c\u7684 HttpClient \u8bbf\u95ee\u4e00\u4e2a HTTP\/1.1 \u670d\u52a1：<\/p>\n

        import<\/span> java.<\/span>net.<\/span><\/span>URI<\/span><\/span>;<\/span>
        \nimport<\/span> java.<\/span>net.<\/span>http.<\/span><\/span>HttpClient<\/span><\/span>;<\/span>
        \nimport<\/span> java.<\/span>net.<\/span>http.<\/span><\/span>HttpRequest<\/span><\/span>;<\/span>
        \nimport<\/span> java.<\/span>net.<\/span>http.<\/span><\/span>HttpResponse<\/span><\/span>;<\/span><\/p>\n

        public<\/span> class<\/span> PortDemo<\/span> {<\/span>
        \n public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span> throws<\/span> Exception<\/span> {<\/span>
        \n HttpClient<\/span> client =<\/span> HttpClient<\/span>.<\/span>newBuilder<\/span>(<\/span>)<\/span>
        \n .<\/span>version<\/span>(<\/span>HttpClient.<\/span>Version<\/span>.<\/span>HTTP_1_1<\/span>)<\/span>
        \n .<\/span>build<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

        HttpRequest<\/span> request =<\/span> HttpRequest<\/span>.<\/span>newBuilder<\/span>(<\/span>)<\/span>
        \n .<\/span>uri<\/span>(<\/span>URI<\/span>.<\/span>create<\/span>(<\/span>
        \n "http:\/\/127.0.0.1:8080\/api\/hello"<\/span>)<\/span>)<\/span>
        \n .<\/span>GET<\/span>(<\/span>)<\/span>
        \n .<\/span>build<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

        HttpResponse<\/span><<\/span>String<\/span>><\/span><\/span> response =<\/span> client.<\/span>send<\/span>(<\/span>
        \n request,<\/span>
        \n HttpResponse.<\/span>BodyHandlers<\/span>.<\/span>ofString<\/span>(<\/span>)<\/span>)<\/span>;<\/span><\/p>\n

        System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"\u72b6\u6001\u7801："<\/span> +<\/span> response.<\/span>statusCode<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
        \n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"\u54cd\u5e94\u4f53："<\/span> +<\/span> response.<\/span>body<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
        \n }<\/span>
        \n}<\/span><\/p>\n

        \u8fd0\u884c\u524d\u63d0<\/h4>\n
          \n
        • JDK 11 \u6216\u66f4\u9ad8\u7248\u672c；<\/li>\n
        • \u672c\u673a\u5df2\u6709\u4e00\u4e2a\u53ef\u8bbf\u95ee\u7684 HTTP \u670d\u52a1\u76d1\u542c 127.0.0.1:8080；<\/li>\n
        • \u670d\u52a1\u7aef\u5b58\u5728 \/api\/hello \u8def\u5f84；<\/li>\n
        • \u793a\u4f8b\u4e2d\u7684\u5730\u5740\u53ea\u662f\u672c\u673a\u6d4b\u8bd5\u5730\u5740，\u4e0d\u4fdd\u8bc1\u4f60\u7684\u7535\u8111\u4e0a\u5df2\u6709\u5bf9\u5e94\u670d\u52a1\u3002<\/li>\n<\/ul>\n

          \u5728\u8fd9\u4e2a\u4f8b\u5b50\u91cc：<\/p>\n

            \n
          • 127.0.0.1 \u662f\u56de\u73af\u5730\u5740，\u8868\u793a\u672c\u673a；<\/li>\n
          • 8080 \u662f URL \u4e2d\u660e\u786e\u6307\u5b9a\u7684\u76ee\u7684\u7aef\u53e3；<\/li>\n
          • \u5ba2\u6237\u7aef\u8fde\u63a5\u901a\u5e38\u8fd8\u4f1a\u4f7f\u7528\u4e00\u4e2a\u6e90\u7aef\u53e3；<\/li>\n
          • \u5bf9\u4e8e\u56de\u73af\u901a\u4fe1，\u5b9e\u9645\u94fe\u8def\u5904\u7406\u65b9\u5f0f\u4e0e\u901a\u8fc7\u7269\u7406\u7f51\u5361\u8bbf\u95ee\u8fdc\u7a0b\u4e3b\u673a\u4e0d\u540c，\u56e0\u6b64\u4e0d\u8981\u7528\u8fd9\u4e2a\u4f8b\u5b50\u6765\u63a8\u65ad\u8fdc\u7a0b\u901a\u4fe1\u7684 MAC \u5730\u5740\u53d8\u5316\u3002<\/li>\n<\/ul>\n

            \u5982\u679c\u628a URL \u6539\u4e3a\u8fdc\u7a0b\u670d\u52a1\u5668\u5730\u5740，\u64cd\u4f5c\u7cfb\u7edf\u7f51\u7edc\u6808\u4f1a\u6839\u636e\u8def\u7531\u548c\u94fe\u8def\u60c5\u51b5\u5904\u7406 IP \u5305\u53ca\u94fe\u8def\u5c42\u5e27\u3002\u4e1a\u52a1\u4ee3\u7801\u4e00\u822c\u4e0d\u9700\u8981\u624b\u52a8\u586b\u5199 TCP \u9996\u90e8\u6216 MAC \u5730\u5740\u3002<\/p>\n

            \u4e03\u3001\u5e38\u89c1\u8bef\u533a<\/h3>\n

            \u8bef\u533a 1：IP \u5730\u5740\u5c31\u662f MAC \u5730\u5740<\/h4>\n

            \u4e0d\u662f\u3002IP \u5730\u5740\u7528\u4e8e\u7f51\u7edc\u5c42\u5bfb\u5740\u548c\u8def\u7531；MAC \u5730\u5740\u7528\u4e8e\u5f53\u524d\u94fe\u8def\u4e0a\u7684\u5e27\u4ea4\u4ed8\u3002\u5b83\u4eec\u7684\u683c\u5f0f\u3001\u4f5c\u7528\u8303\u56f4\u548c\u5de5\u4f5c\u5c42\u6b21\u4e0d\u540c\u3002<\/p>\n

            \u8bef\u533a 2：\u53d1\u9001\u7ed9\u8fdc\u7a0b\u670d\u52a1\u5668\u65f6，\u76ee\u7684 MAC \u5c31\u662f\u8fdc\u7a0b\u670d\u52a1\u5668\u7684 MAC<\/h4>\n

            \u901a\u5e38\u4e0d\u662f\u3002\u7b2c\u4e00\u8df3\u5e27\u7684\u76ee\u7684 MAC \u4e00\u822c\u662f\u9ed8\u8ba4\u7f51\u5173\u7684 MAC\u3002\u8def\u7531\u5668\u4f1a\u5728\u4e0b\u4e00\u6761\u94fe\u8def\u91cd\u65b0\u5c01\u88c5\u5e27\u3002<\/p>\n

            \u8bef\u533a 3：\u7aef\u53e3\u53f7\u53ef\u4ee5\u5355\u72ec\u5b9a\u4f4d\u5168\u7403\u552f\u4e00\u7684\u670d\u52a1<\/h4>\n

            \u4e0d\u884c\u3002\u7aef\u53e3\u53f7\u53ea\u6709\u7ed3\u5408\u4e3b\u673a\u5730\u5740\u3001\u4f20\u8f93\u5c42\u534f\u8bae\u548c\u901a\u4fe1\u65b9\u5411\u7b49\u4e0a\u4e0b\u6587\u624d\u6709\u610f\u4e49\u3002\u4e0d\u540c\u4e3b\u673a\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528 8080 \u7aef\u53e3\u3002<\/p>\n

            \u8bef\u533a 4：\u4e00\u4e2a\u7aef\u53e3\u53ea\u5bf9\u5e94\u4e00\u4e2a\u5ba2\u6237\u7aef<\/h4>\n

            \u4e0d\u5bf9\u3002\u670d\u52a1\u5668\u540c\u4e00\u4e2a TCP \u76d1\u542c\u7aef\u53e3\u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5，\u8fde\u63a5\u901a\u8fc7\u4e24\u7aef\u5730\u5740\u548c\u7aef\u53e3\u7b49\u4fe1\u606f\u533a\u5206\u3002<\/p>\n

            \u8bef\u533a 5：\u7aef\u53e3\u53f7\u4e00\u5b9a\u5bf9\u5e94\u4e00\u4e2a\u56fa\u5b9a\u8fdb\u7a0b<\/h4>\n

            \u4e0d\u51c6\u786e\u3002\u7aef\u53e3\u7531\u64cd\u4f5c\u7cfb\u7edf\u548c\u5e94\u7528\u6309\u7f51\u7edc\u901a\u4fe1\u89c4\u5219\u4f7f\u7528；\u670d\u52a1\u53ef\u4ee5\u542f\u52a8\u3001\u505c\u6b62\u6216\u6539\u53d8\u76d1\u542c\u7aef\u53e3，\u5ba2\u6237\u7aef\u6e90\u7aef\u53e3\u4e5f\u5e38\u7531\u7cfb\u7edf\u52a8\u6001\u5206\u914d\u3002<\/p>\n

            \u516b\u3001\u672c\u7bc7\u603b\u7ed3<\/h3>\n

            \u8bb0\u4f4f\u8fd9\u4e09\u53e5\u8bdd\u5373\u53ef：<\/p>\n

          • MAC \u5730\u5740： \u89e3\u51b3\u5f53\u524d\u94fe\u8def\u4e0a\u7684\u5e27\u4ea4\u4ed8\u95ee\u9898\u3002<\/li>\n
          • IP \u5730\u5740： \u89e3\u51b3\u7f51\u7edc\u5c42\u5bfb\u5740\u548c\u8de8\u7f51\u7edc\u8f6c\u53d1\u95ee\u9898\u3002<\/li>\n
          • \u7aef\u53e3\u53f7： \u5e2e\u52a9\u4f20\u8f93\u5c42\u533a\u5206\u901a\u4fe1\u7aef\u70b9\u548c\u670d\u52a1\u3002<\/li>\n

            \u8bbf\u95ee\u8fdc\u7a0b Java \u670d\u52a1\u65f6，\u8fd9\u4e09\u8005\u4e0d\u662f\u4e92\u76f8\u66ff\u4ee3，\u800c\u662f\u5171\u540c\u5b8c\u6210\u901a\u4fe1\u3002IP \u5730\u5740\u544a\u8bc9\u7f51\u7edc\u5c42\u6570\u636e\u8981\u53bb\u54ea\u91cc，\u7aef\u53e3\u8ba9\u4f20\u8f93\u5c42\u77e5\u9053\u8981\u4ea4\u7ed9\u54ea\u4e2a\u901a\u4fe1\u7aef\u70b9，\u800c\u94fe\u8def\u5c42 MAC \u5730\u5740\u8d1f\u8d23\u5f53\u524d\u8fd9\u4e00\u8df3\u7684\u5e27\u4ea4\u4ed8\u3002<\/p>\n

            \u4e0b\u4e00\u7bc7\u9884\u544a：\u300a\u3010\u8ba1\u7b97\u673a\u7f51\u7edc\u3011\u7b2c 4 \u7bc7：ARP\u3001DHCP\u3001\u5b50\u7f51\u63a9\u7801\u548c\u8def\u7531\u5230\u5e95\u5728\u505a\u4ec0\u4e48？\u300b\u3002\u6211\u4eec\u4f1a\u7ee7\u7eed\u6cbf\u7740\u201c\u5ba2\u6237\u7aef\u5982\u4f55\u627e\u5230\u5e76\u8bbf\u95ee\u670d\u52a1\u5668\u201d\u7684\u8def\u5f84，\u89e3\u91ca IP \u5730\u5740\u5982\u4f55\u914d\u7f6e\u3001\u7f51\u5173\u5982\u4f55\u9009\u62e9，\u4ee5\u53ca\u8bbe\u5907\u5982\u4f55\u77e5\u9053\u4e0b\u4e00\u8df3\u7684 MAC \u5730\u5740\u3002<\/p>\n

            \u6211\u662f\u7a0b\u5e8f\u5458\u5927\u6d77,\u4e0b\u4e00\u671f\u89c1.<\/p>\n

            \u53c2\u8003\u8d44\u6599<\/h3>\n
          • RFC 791：Internet Protocol (IPv4)<\/li>\n
          • RFC 826：An Ethernet Address Resolution Protocol<\/li>\n
          • RFC 9293：Transmission Control Protocol (TCP)<\/li>\n
          • RFC 768：User Datagram Protocol<\/li>\n
          • IANA：Service Name and Transport Protocol Port Number Registry<\/li>\n

            \u672c\u6587\u4e2d\u7684 IP\u3001MAC \u548c\u7aef\u53e3\u793a\u4f8b\u7528\u4e8e\u6559\u5b66\u8bf4\u660e，\u4e0d\u4ee3\u8868\u771f\u5b9e\u8bbe\u5907\u6216\u5b9e\u9645\u6293\u5305\u7ed3\u679c\u3002\u771f\u5b9e\u7f51\u7edc\u4e2d\u7684\u5730\u5740\u3001\u7aef\u53e3\u548c\u8f6c\u53d1\u884c\u4e3a\u4f1a\u53d7\u7f51\u7edc\u914d\u7f6e\u3001NAT\u3001\u9632\u706b\u5899\u3001\u865a\u62df\u7f51\u7edc\u7b49\u56e0\u7d20\u5f71\u54cd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

            \u7cfb\u5217： \u4ece 0 \u5f00\u59cb\u5b66\u4e60\u8ba1\u7b97\u673a\u7f51\u7edc \u9002\u5408\u8bfb\u8005： \u8ba1\u7b97\u673a\u4e13\u4e1a\u5b66\u751f\u3001\u7f51\u7edc\u57fa\u7840\u8584\u5f31\u7684\u5f00\u53d1\u8005\u3001Java \u540e\u7aef\u5b66\u4e60\u8005 \u672c\u6587\u5173\u952e\u8bcd： MAC \u5730\u5740\u3001IP \u5730\u5740\u3001\u7aef\u53e3\u53f7\u3001TCP \u8fde\u63a5\u3001Java \u540e\u7aef
            \n\u4e00\u3001\u5f15\u8a00：\u8bbf\u95ee\u4e00\u4e2a\u63a5\u53e3，\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u8fd9\u4e48\u591a\u5730\u5740？
            \n\u5728 Java \u540e\u7aef\u5f00\u53d1\u4e2d，\u6211\u4eec\u7ecf\u5e38\u8bbf\u95ee\u8fd9\u6837\u7684\u5730\u5740：
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