{"id":64303,"date":"2026-01-23T09:40:36","date_gmt":"2026-01-23T01:40:36","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/64303.html"},"modified":"2026-01-23T09:40:36","modified_gmt":"2026-01-23T01:40:36","slug":"cs%e6%9e%b6%e6%9e%84%ef%bc%88client-server%e6%9c%8d%e5%8a%a1%e7%ab%af%ef%bc%89%e3%80%81bs%e6%9e%b6%e6%9e%84%ef%bc%88browser%e6%b5%8f%e8%a7%88%e5%99%a8-server%e6%9c%8d%e5%8a%a1%e7%ab%af%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/64303.html","title":{"rendered":"CS\u67b6\u6784\uff08Client\/Server\u670d\u52a1\u7aef\uff09\u3001BS\u67b6\u6784\uff08Browser\u6d4f\u89c8\u5668\/Server\u670d\u52a1\u7aef\uff09-\u91cd\u70b9\u3001IP\uff08IPv4\u3001IPv6\u3001IP\u57df\u540d\u3001DNS\u57df\u540d\u3001\u516c\u7f51IP\u3001\u5185\u7f51\uff09\u3001\u7aef\u53e3\u3001\u534f\u8bae\uff08UDP\u3001TCP\uff09"},"content":{"rendered":"

java\u7f51\u7edc\u7f16\u7a0b<\/h2>\n

**\u7f51\u7edc\u7f16\u7a0b：**\u53ef\u4ee5\u8ba9\u8bbe\u5907\u4e2d\u7684\u7a0b\u5e8f\u4e0e\u7f51\u7edc\u4e0a\u5176\u4ed6\u8bbe\u5907\u4e2d\u7684\u7a0b\u5e8f\u8fdb\u884c\u6570\u636e\u4ea4\u4e92\u7684\u6280\u672f（\u5b9e\u73b0\u7f51\u7edc\u901a\u4fe1）<\/p>\n

\u57fa\u672c\u7684\u901a\u4fe1\u67b6\u6784<\/h3>\n

1\u3001CS\u67b6\u6784（Client\/Server\u670d\u52a1\u7aef）<\/p>\n

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

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

2\u3001BS\u67b6\u6784（Browser\u6d4f\u89c8\u5668\/Server\u670d\u52a1\u7aef）-\u91cd\u70b9<\/p>\n

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

\u53ea\u8981\u6709\u6d4f\u89c8\u5668，\u6709\u7f51\u5c31\u53ef\u4ee5\u901a\u8fc7\u6d4f\u89c8\u5668\u8bbf\u95ee\u4e2d\u56fd\u670d\u52a1\u7aef，\u5373\u4f7f\u670d\u52a1\u5668\u5347\u7ea7\u8bbf\u95ee\u7684\u4e5f\u662f\u6700\u65b0\u7684\u670d\u52a1\u7aef，\u662f\u5f53\u4e0b\u66f4\u6d41\u884c\u7684\u901a\u4fe1\u67b6\u6784<\/p>\n

\u5b66\u4e60java.net.*\u4e0b\u7684\u5305\u6765\u5b66\u4e60\u7f51\u7edc\u7f16\u7a0b<\/p>\n

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

\u7f51\u7edc\u7f16\u7a0b\u4e09\u8981\u7d20<\/h3>\n

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

\u6709\u4e86IP\u5730\u5740\u3001\u7aef\u53e3\u4ee5\u53ca\u534f\u8bae\u8fd9\u4e09\u90e8\u5206\u540e\u5373\u53ef\u4ee5\u5b9e\u73b0\u7f51\u7edc\u901a\u4fe1<\/p>\n

IP<\/h4>\n

1\u3001IPv4<\/p>\n

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

2\u3001IPv6<\/p>\n

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

IP\u57df\u540d<\/p>\n

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

DNS\u57df\u540d\u89e3\u6790<\/p>\n

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

\u516c\u7f51IP\u3001\u5185\u7f51IP\u3001\u672c\u673aIP\u3001IP\u5e38\u7528\u547d\u4ee4<\/p>\n

1\u3001\u516c\u7f51IP\u3001\u5185\u7f51IP\u968f\u65f6\u53ef\u80fd\u4f1a\u53d8\u3002\u4f46\u6bcf\u53f0\u7535\u8111\u4e0a\u7684\u7269\u7406IP\u6c38\u8fdc\u90fd\u4e0d\u53ef\u80fd\u53d8 2\u3001ping IP\u5730\u5740 \u68c0\u67e5\u672c\u673a\u4e0e\u5176\u4ed6\u7684\u7535\u8111\u662f\u5426\u8054\u901a<\/p>\n

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

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

package<\/span> com.<\/span>itheima.<\/span>demo1inetaddress<\/span>;<\/span><\/p>\n

import<\/span> java.<\/span>net.<\/span><\/span>InetAddress<\/span>;<\/span><\/p>\n

public<\/span> class<\/span> InetAddressDemo1<\/span> {<\/span>
\n public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span> {<\/span>
\n \/\/\u76ee\u6807：\u8ba4\u8bc6InetAddress\u83b7\u53d6\u672c\u673aIP\u5bf9\u8c61\u548c\u5bf9\u65b9IP\u5bf9\u8c61<\/span>
\n try<\/span> {<\/span>
\n \/\/1\u3001\u83b7\u53d6\u672c\u673aIP\u5bf9\u8c61<\/span>
\n InetAddress<\/span> ip1 =<\/span> InetAddress<\/span>.<\/span>getLocalHost<\/span>(<\/span>)<\/span>;<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>ip1)<\/span>;<\/span>\/\/DESKTOP-57UI8PI\/192.168.1.77<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>ip1.<\/span>getHostName<\/span>(<\/span>)<\/span>)<\/span>;<\/span>\/\/DESKTOP-57UI8PI<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>ip1.<\/span>getHostAddress<\/span>(<\/span>)<\/span>)<\/span>;<\/span>\/\/192.168.1.77<\/span><\/p>\n

\/\/2\u3001\u83b7\u53d6\u5bf9\u65b9IP\u5bf9\u8c61<\/span>
\n InetAddress<\/span> ip2 =<\/span> InetAddress<\/span>.<\/span>getByName<\/span>(<\/span>"www.baidu.com"<\/span>)<\/span>;<\/span>\/\/\u53ef\u4ee5\u5199\u5bf9\u65b9\u7684IP\u5730\u5740\u6216\u57df\u540d<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>ip2)<\/span>;<\/span>\/\/www.baidu.com\/110.242.70.57<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>ip2.<\/span>getHostName<\/span>(<\/span>)<\/span>)<\/span>;<\/span>\/\/www.baidu.com<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>ip2.<\/span>getHostAddress<\/span>(<\/span>)<\/span>)<\/span>;<\/span>\/\/110.242.70.57<\/span><\/p>\n

\/\/3\u3001\u5224\u65ad\u672c\u673a\u4e0e\u5bf9\u65b9\u4e3b\u673a\u662f\u5426\u4e92\u901a<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>ip1.<\/span>isReachable<\/span>(<\/span>5000<\/span>)<\/span>)<\/span>;<\/span>\/\/\u5224\u65ad\u57285s\u5185\u662f\u5426\u80fd\u4e0e\u767e\u5ea6\u4e92\u901a，\u82e5\u901a\u5219true，\u5426\u5219false<\/span><\/p>\n

}<\/span> catch<\/span> (<\/span>Exception<\/span> e)<\/span> {<\/span>
\n e.<\/span>printStackTrace<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u7f51\u7edc\u7f16\u7a0b\u5c0f\u7ed3<\/h3>\n

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

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

\u7aef\u53e3<\/h4>\n

1\u3001\u7aef\u53e3\u53f7\u7684\u4f5c\u7528\u662f\u4ec0\u4e48？ \u552f\u4e00\u6807\u8bc6\u6b63\u5728\u8ba1\u7b97\u673a\u8bbe\u5907\u4e0a\u8fd0\u884c\u7684\u8fdb\u7a0b（\u7a0b\u5e8f） 2\u3001\u4e00\u4e2a\u8bbe\u5907\u4e2d，\u80fd\u5426\u51fa\u73b02\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u7aef\u53e3\u53f7\u4e00\u6837，\u4e3a\u4ec0\u4e48？ \u4e0d\u53ef\u4ee5，\u5982\u679c\u4e00\u6837\u4f1a\u51fa\u73b0\u7aef\u53e3\u51b2\u7a81\u9519\u8bef<\/p>\n

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

\u534f\u8bae<\/h4>\n

\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d，\u8fde\u63a5\u548c\u901a\u4fe1\u6570\u636e\u7684\u89c4\u5219\u88ab\u79f0\u4e3a\u7f51\u7edc\u901a\u4fe1\u534f\u8bae<\/p>\n

\u5f00\u653e\u5f0f\u7f51\u7edc\u4e92\u8054\u6807\u51c6：OSI\u7f51\u7edc\u53c2\u8003\u6a21\u578b（\u7406\u8bba\u4e0a）<\/h5>\n

\u5b9e\u9645\u4e0a\u7684\u56fd\u9645\u6807\u51c6\u662fTCP\/IP\u7f51\u7edc\u6a21\u578b<\/p>\n

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

\u4f20\u8f93\u5c42\u76842\u4e2a\u901a\u4fe1\u534f\u8bae： \u4e24\u4e2a\u534f\u8bae\u4f9b\u7a0b\u5e8f\u5458\u9009\u62e9<\/p>\n

UDP\u534f\u8bae<\/p>\n

\u7279\u70b9： 1\u3001\u7528\u6237\u6570\u636e\u5305\u534f\u8bae 2\u3001UDP\u662f\u9762\u5411\u65e0\u8fde\u63a5，\u4e0d\u53ef\u9760\u4f20\u8f93\u7684\u901a\u4fe1\u534f\u8bae 3\u3001\u901f\u5ea6\u5feb，\u6709\u5927\u5c0f\u9650\u5236\u4e00\u6b21\u6700\u591a\u53d1\u900164K，\u6570\u636e\u4e0d\u5b89\u5168，\u6613\u4e22\u5931\u6570\u636e<\/p>\n

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

TCP\u534f\u8bae<\/p>\n

\u7279\u70b9： 1\u3001TCP\u662f\u4e00\u79cd\u9762\u5411\u8fde\u63a5\u7684\u53ef\u9760\u901a\u4fe1\u534f\u8bae 2\u3001\u4f20\u8f93\u524d，\u91c7\u7528\u201c\u4e09\u6b21\u63e1\u624b\u201d\u65b9\u5f0f\u5efa\u7acb\u8fde\u63a5，\u70b9\u5bf9\u70b9\u7684\u901a\u4fe1 3\u3001\u5728\u8fde\u63a5\u4e2d\u53ef\u8fdb\u884c\u5927\u6570\u636e\u91cf\u7684\u4f20\u8f93 4\u3001\u4f20\u8f93\u540e，\u91c7\u7528\u201c\u56db\u6b21\u6325\u624b\u201d\u65b9\u5f0f\u65ad\u5f00\u8fde\u63a5，\u786e\u4fdd\u6d88\u606f\u5168\u90e8\u6536\u53d1\u5b8c\u6bd5 5\u3001\u901a\u4fe1\u6548\u7387\u76f8\u5bf9\u8f83\u4f4e，\u53ef\u9760\u6027\u76f8\u5bf9\u8f83\u9ad8<\/p>\n

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

\u4e09\u6b21\u63e1\u624b\u5efa\u7acb\u53ef\u9760\u8fde\u63a5：<\/p>\n

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

\u56db\u6b21\u6325\u624b\u65ad\u5f00\u8fde\u63a5：<\/p>\n

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

java\u7f51\u7edc\u7f16\u7a0b
\n**\u7f51\u7edc\u7f16\u7a0b：**\u53ef\u4ee5\u8ba9\u8bbe\u5907\u4e2d\u7684\u7a0b\u5e8f\u4e0e\u7f51\u7edc\u4e0a\u5176\u4ed6\u8bbe\u5907\u4e2d\u7684\u7a0b\u5e8f\u8fdb\u884c\u6570\u636e\u4ea4\u4e92\u7684\u6280\u672f（\u5b9e\u73b0\u7f51\u7edc\u901a\u4fe1）
\n\u57fa\u672c\u7684\u901a\u4fe1\u67b6\u6784
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