{"id":22738,"date":"2025-04-19T06:21:24","date_gmt":"2025-04-18T22:21:24","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/22738.html"},"modified":"2025-04-19T06:21:24","modified_gmt":"2025-04-18T22:21:24","slug":"mc%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%bc%82%e5%b8%b8ip%e5%85%a5%e4%be%b5%e8%bf%87%e6%bb%a4-%e4%bd%bf%e7%94%a8geolite2-country-mmdb%e7%a6%bb%e7%ba%bf%e6%95%b0%e6%8d%ae%e5%ba%93%e5%ae%9a","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/22738.html","title":{"rendered":"MC\u670d\u52a1\u5668\u5f02\u5e38ip\u5165\u4fb5\u8fc7\u6ee4\u2014\u2014\u4f7f\u7528GeoLite2-Country.mmdb\u79bb\u7ebf\u6570\u636e\u5e93\u5b9a\u4f4d\u73a9\u5bb6IP\u5f52\u5c5e\u56fd\u5bb6"},"content":{"rendered":"<p>\u670d\u52a1\u5668\u63d2\u4ef6 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MAXMIND_GEOLITE2 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418222122-6802d062084e1.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u89e3\u538b\u540e\u91cc\u9762\u7684GeoLite2-Country.mmdb\u5c31\u662f\u6211\u4eec\u9700\u8981\u7684\u6570\u636e\u5e93\u3002<\/p>\n<h2>\u4ee3\u7801<\/h2>\n<p>\u4e00\u70b9\u53c2\u8003 intellij\u521b\u5efa\u4e00\u4e2a\u65b0\u9879\u76ee&#xff0c;\u63d2\u4ef6\u5e02\u573a\u4e0b\u8f7d\u90a3\u4e2aMinecraft developer\u63d2\u4ef6 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418222122-6802d062a8c8b.png\" alt=\"\u5c31\u662f\u8fd9\u4e2a\u73a9\u610f\" \/> \u65b0\u5efa\u4e00\u4e2aminecraft plugin\u9879\u76ee&#xff0c;\u8bb0\u5f97Build System\u9009maven <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418222122-6802d062f214b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5728pom.xml\u91cc\u6dfb\u52a0\u4f9d\u8d56<\/p>\n<p><span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependencies<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            &#8230;\u5176\u4ed6\u7684\u4e00\u4e9b\u4f9d\u8d56&#8230;<br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>com.maxmind.geoip2<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>geoip2<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>3.0.1<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependencies<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>\u628aGeoLite2-Country.mmdb\u4e22\u5230resources\u6587\u4ef6\u5939\u4e0b\u8fb9 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418222123-6802d063473d6.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u7136\u540e\u4e3b\u51fd\u6570\u91cc\u7684\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>iplocation<span class=\"token punctuation\">.<\/span>ipvalidate<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>maxmind<span class=\"token punctuation\">.<\/span>geoip2<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">DatabaseReader<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>maxmind<span class=\"token punctuation\">.<\/span>geoip2<span class=\"token punctuation\">.<\/span>exception<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">GeoIp2Exception<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>maxmind<span class=\"token punctuation\">.<\/span>geoip2<span class=\"token punctuation\">.<\/span>model<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">CountryResponse<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>bukkit<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Bukkit<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>bukkit<span class=\"token punctuation\">.<\/span>entity<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Player<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>bukkit<span class=\"token punctuation\">.<\/span>event<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">EventHandler<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>bukkit<span class=\"token punctuation\">.<\/span>event<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Listener<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>bukkit<span class=\"token punctuation\">.<\/span>event<span class=\"token punctuation\">.<\/span>player<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">PlayerLoginEvent<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>bukkit<span class=\"token punctuation\">.<\/span>plugin<span class=\"token punctuation\">.<\/span>java<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">JavaPlugin<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">File<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">IOException<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>net<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">InetAddress<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Ipvalidate<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">JavaPlugin<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Listener<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">DatabaseReader<\/span> databaseReader<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">onEnable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u52a0\u8f7d GeoLite2 \u6570\u636e\u5e93<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">File<\/span> dbFile <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">File<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">getDataFolder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;GeoLite2-Country.mmdb&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>dbFile<span class=\"token punctuation\">.<\/span><span class=\"token function\">exists<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">saveResource<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;GeoLite2-Country.mmdb&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            databaseReader <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">DatabaseReader<span class=\"token punctuation\">.<\/span>Builder<\/span><span class=\"token punctuation\">(<\/span>dbFile<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">getLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;GeoLite2-Country database loaded successfully.&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">getLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">severe<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Failed to load GeoLite2-Country.mmdb: &#034;<\/span> <span class=\"token operator\">&#043;<\/span> e<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">getServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getPluginManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">disablePlugin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6ce8\u518c\u4e8b\u4ef6\u76d1\u542c\u5668<\/span><br \/>\n        <span class=\"token function\">getServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getPluginManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">registerEvents<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">onDisable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>databaseReader <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                databaseReader<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">getLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">severe<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Failed to close GeoLite2-Country database: &#034;<\/span> <span class=\"token operator\">&#043;<\/span> e<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;EventHandler<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">onPlayerLogin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">PlayerLoginEvent<\/span> event<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> playerName <span class=\"token operator\">&#061;<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPlayer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">InetAddress<\/span> ipAddress <span class=\"token operator\">&#061;<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> country <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getCountryByIp<\/span><span class=\"token punctuation\">(<\/span>ipAddress<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token string\">&#034;China&#034;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">equalsIgnoreCase<\/span><span class=\"token punctuation\">(<\/span>country<span class=\"token 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punctuation\">.<\/span><span class=\"token function\">broadcastMessage<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">getLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">getLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">severe<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Failed to determine country for IP: &#034;<\/span> <span class=\"token operator\">&#043;<\/span> ipAddress <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034; &#8211; &#034;<\/span> <span class=\"token operator\">&#043;<\/span> e<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6839\u636e IP \u83b7\u53d6\u56fd\u5bb6\u540d\u79f0<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">getCountryByIp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">InetAddress<\/span> ipAddress<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">GeoIp2Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">CountryResponse<\/span> response <span class=\"token operator\">&#061;<\/span> databaseReader<span class=\"token punctuation\">.<\/span><span class=\"token function\">country<\/span><span class=\"token punctuation\">(<\/span>ipAddress<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> response<span class=\"token punctuation\">.<\/span><span class=\"token function\">getCountry<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6d4b\u8bd5\u51fd\u6570<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">testIp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> ipAddress<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token 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