{"id":10006189,"date":"2022-08-12T17:42:42","date_gmt":"2022-08-12T09:42:42","guid":{"rendered":"https:\/\/ityet.com\/?p=10006189"},"modified":"2022-08-12T17:42:42","modified_gmt":"2022-08-12T09:42:42","slug":"%e6%96%b0%e6%9d%a5%e4%ba%86%e4%b8%aa%e6%8a%80%e6%9c%af%e6%80%bb%e7%9b%91%ef%bc%8c%e5%b1%85%e7%84%b6%e8%a6%81%e6%88%91%e5%81%9a%e4%b8%80%e4%b8%aa-ip-%e5%b1%9e%e5%9c%b0%e5%8a%9f%e8%83%bd%e3%80%82","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006189","title":{"rendered":"\u65b0\u6765\u4e86\u4e2a\u6280\u672f\u603b\u76d1\uff0c\u5c45\u7136\u8981\u6211\u505a\u4e00\u4e2a IP \u5c5e\u5730\u529f\u80fd\u3002\u3002\u4e0d\u670d\u5c31\u5e72\uff01"},"content":{"rendered":"<p>\u4f5c\u8005\uff1aThinkingKeep\/<br \/>\u94fe\u63a5\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=Za33AZcJs4u4hltx3vbvqQ%3D%3D.yiUM40omqFPx6Yq3FsnMCcia7AwSCqjcNWAwY%2FXGvrOW0gOwjyQHUuTNM%2BaDx4hE\" rel=\"nofollow\">https:\/\/juejin.cn\/post\/711895&#8230;<\/a><\/p>\n<p>\u7ec6\u5fc3\u7684\u670b\u53cb\u5e94\u8be5\u4f1a\u53d1\u73b0\uff0c\u6700\u8fd1\uff0c\u7ee7\u65b0\u6d6a\u5fae\u535a\u4e4b\u540e\uff0c\u5934\u6761\u3001\u817e\u8baf\u3001\u6296\u97f3\u3001\u77e5\u4e4e\u3001\u5feb\u624b\u3001\u5c0f\u7ea2\u4e66\u7b49\u5404\u5927\u5e73\u53f0\u9646\u9646\u7eed\u7eed\u90fd\u4e0a\u7ebf\u4e86\u201c\u7f51\u7edc\u7528\u6237IP\u5730\u5740\u663e\u793a\u529f\u80fd\u201d\uff0c\u5883\u5916\u7528\u6237\u663e\u793a\u7684\u662f\u56fd\u5bb6\uff0c\u56fd\u5185\u7684\u7528\u6237\u663e\u793a\u7684\u7701\u4efd\uff0c\u800c\u4e14\u6b64\u9879\u663e\u793a\u65e0\u6cd5\u5173\u95ed\uff0c\u5f52\u5c5e\u5730\u5f3a\u5236\u663e\u793a\u3002<\/p>\n<p>\u4f5c\u4e3a\u6280\u672f\u4eba\uff0c\u90a3\uff01\u8fd9\u4e2a\u529f\u80fd\u8981\u600e\u4e48\u5b9e\u73b0\u5462\uff1f<\/p>\n<h2>\u4e0b\u9762\uff0c\u6211\u5c31\u6765\u8bb2\u8bb2\uff0cJava\u4e2d\u662f\u5982\u4f55\u83b7\u53d6IP\u5c5e\u5730\u7684\uff0c\u4e3b\u8981\u5206\u4e3a\u4ee5\u4e0b\u51e0\u6b65\uff1a<\/h2>\n<ul>\n<li>\u901a\u8fc7 HttpServletRequest \u5bf9\u8c61\uff0c\u83b7\u53d6\u7528\u6237\u7684 <strong>IP<\/strong> \u5730\u5740<\/li>\n<li>\u901a\u8fc7 IP \u5730\u5740\uff0c\u83b7\u53d6\u5bf9\u5e94\u7684\u7701\u4efd\u3001\u57ce\u5e02<\/li>\n<\/ul>\n<p>\u9996\u5148\u9700\u8981\u5199\u4e00\u4e2a IP \u83b7\u53d6\u7684\u5de5\u5177\u7c7b\uff0c\u56e0\u4e3a\u6bcf\u4e00\u6b21\u7528\u6237\u7684 Request \u8bf7\u6c42\uff0c\u90fd\u4f1a\u643a\u5e26\u4e0a\u8bf7\u6c42\u7684 IP \u5730\u5740\u653e\u5230\u8bf7\u6c42\u5934\u4e2d<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042311775\" alt=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" title=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" loading=\"lazy\"><\/p>\n<p>\u901a\u8fc7\u6b64\u65b9\u6cd5\uff0c\u4ece\u8bf7\u6c42Header\u4e2d\u83b7\u53d6\u5230\u7528\u6237\u7684IP\u5730\u5740<\/p>\n<blockquote>\n<p>\u76ee\u524d\u672c\u4eba\u5728\u505a\u7684\u9879\u76ee\u4e2d\uff0c\u4e5f\u6709\u83b7\u53d6IP\u5730\u5740\u5f52\u5c5e\u5730\u7701\u4efd\u3001\u57ce\u5e02\u7684\u9700\u6c42\uff0c\u7528\u7684\u662f\uff1a\u6dd8\u5b9dIP\u5e93<\/p>\n<p>\u5730\u5740\uff1aip.taobao.com\/<\/p>\n<\/blockquote>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042311776\" alt=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" title=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042311777\" alt=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" title=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" loading=\"lazy\"><\/p>\n<p>\u539f\u6765\u7684\u8bf7\u6c42\u6e90\u7801\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042311778\" alt=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" title=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042311779\" alt=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" title=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" loading=\"lazy\"><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u65e5\u5fd7log\u6587\u4ef6\u4e2d\uff0c\u5927\u91cf\u7684the request over max qps for user\u95ee\u9898<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042311780\" alt=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" title=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" loading=\"lazy\"><\/p>\n<hr>\n<h2>\u4e0b\u9762\uff0c\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u4e0b\u4e4b\u524d\u5728Github\u51b2\u6d6a\u65f6\u53d1\u73b0\u7684\u4eca\u5929\u7684\u4e3b\u89d2\uff1a<\/h2>\n<blockquote><p>\u76ee\u524d\u6700\u65b0\u5df2\u66f4\u65b0\u5230\u4e86v2.0\u7248\u672c\uff0cip2region v2.0\u662f\u4e00\u4e2a\u79bb\u7ebfIP\u5730\u5740\u5b9a\u4f4d\u5e93\u548cIP\u5b9a\u4f4d\u6570\u636e\u7ba1\u7406\u6846\u67b6\uff0c10\u5fae\u79d2\u7ea7\u522b\u7684\u67e5\u8be2\u6548\u7387\uff0c\u51c6\u63d0\u4f9b\u4e86\u4f17\u591a\u4e3b\u6d41\u7f16\u7a0b\u8bed\u8a00\u7684 xdb \u6570\u636e\u751f\u6210\u548c\u67e5\u8be2\u5ba2\u6237\u7aef\u5b9e\u73b0\u3002<\/p><\/blockquote>\n<h2>99.9%\u51c6\u786e\u7387\uff1a<\/h2>\n<blockquote><p>\u6570\u636e\u805a\u5408\u4e86\u4e00\u4e9b\u77e5\u540dip\u5230\u5730\u540d\u67e5\u8be2\u63d0\u4f9b\u5546\u7684\u6570\u636e\uff0c\u8fd9\u4e9b\u662f\u4ed6\u4eec\u5b98\u65b9\u7684\u7684\u51c6\u786e\u7387\uff0c\u7ecf\u6d4b\u8bd5\u7740\u5b9e\u6bd4\u7ecf\u5178\u7684\u7eaf\u771fIP\u5b9a\u4f4d\u51c6\u786e\u4e00\u4e9b\u3002<\/p><\/blockquote>\n<h2>\u591a\u67e5\u8be2\u5ba2\u6237\u7aef\u7684\u652f\u6301<\/h2>\n<p>\u5df2\u7ecf\u96c6\u6210\u7684\u5ba2\u6237\u7aef\u6709\uff1ajava\u3001C#\u3001php\u3001c\u3001python\u3001nodejs\u3001php\u6269\u5c55(php5\u548cphp7)\u3001golang\u3001rust\u3001lua\u3001lua_c, nginx\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>binding<\/th>\n<th>\u63cf\u8ff0<\/th>\n<th>\u5f00\u53d1\u72b6\u6001<\/th>\n<th>binary\u67e5\u8be2\u8017\u65f6<\/th>\n<th>b-tree\u67e5\u8be2\u8017\u65f6<\/th>\n<th>memory\u67e5\u8be2\u8017\u65f6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>c<\/td>\n<td>ANSC c binding<\/td>\n<td>\u5df2\u5b8c\u6210<\/td>\n<td>0.0x\u6beb\u79d2<\/td>\n<td>0.0x\u6beb\u79d2<\/td>\n<td>0.00x\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td>c#<\/td>\n<td>c# binding<\/td>\n<td>\u5df2\u5b8c\u6210<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.1x\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td>golang<\/td>\n<td>golang binding<\/td>\n<td>\u5df2\u5b8c\u6210<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.1x\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td>java<\/td>\n<td>java binding<\/td>\n<td>\u5df2\u5b8c\u6210<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.1x\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td>lua<\/td>\n<td>lua\u5b9e\u73b0\u7684binding<\/td>\n<td>\u5df2\u5b8c\u6210<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td>lua_c<\/td>\n<td>lua\u7684c\u6269\u5c55<\/td>\n<td>\u5df2\u5b8c\u6210<\/td>\n<td>0.0x\u6beb\u79d2<\/td>\n<td>0.0x\u6beb\u79d2<\/td>\n<td>0.00x\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td>nginx<\/td>\n<td>nginx\u7684c\u6269\u5c55<\/td>\n<td>\u5df2\u5b8c\u6210<\/td>\n<td>0.0x\u6beb\u79d2<\/td>\n<td>0.0x\u6beb\u79d2<\/td>\n<td>0.00x\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td>nodejs<\/td>\n<td>nodejs<\/td>\n<td>\u5df2\u5b8c\u6210<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.1x\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td>php<\/td>\n<td>php\u5b9e\u73b0\u7684binding<\/td>\n<td>\u5df2\u5b8c\u6210<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.1x\u6beb\u79d2<\/td>\n<td>0.1x\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td>php5_ext<\/td>\n<td>php5\u7684c\u6269\u5c55<\/td>\n<td>\u5df2\u5b8c\u6210<\/td>\n<td>0.0x\u6beb\u79d2<\/td>\n<td>0.0x\u6beb\u79d2<\/td>\n<td>0.00x\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td>php7_ext<\/td>\n<td>php7\u7684c\u6269\u5c55<\/td>\n<td>\u5df2\u5b8c\u6210<\/td>\n<td>0.0\u6beb\u79d2<\/td>\n<td>0.0x\u6beb\u79d2<\/td>\n<td>0.00x\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td>python<\/td>\n<td>python bindng<\/td>\n<td>\u5df2\u5b8c\u6210<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td>rust<\/td>\n<td>rust binding<\/td>\n<td>\u5df2\u5b8c\u6210<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<td>0.x\u6beb\u79d2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Ip2region V2.0 \u7279\u6027<\/h2>\n<p><strong>1\u3001\u6807\u51c6\u5316\u7684\u6570\u636e\u683c\u5f0f<\/strong><\/p>\n<p>\u6bcf\u4e2a ip \u6570\u636e\u6bb5\u7684 region \u4fe1\u606f\u90fd\u56fa\u5b9a\u4e86\u683c\u5f0f\uff1a\u56fd\u5bb6|\u533a\u57df|\u7701\u4efd|\u57ce\u5e02|ISP\uff0c\u53ea\u6709\u4e2d\u56fd\u7684\u6570\u636e\u7edd\u5927\u90e8\u5206\u7cbe\u786e\u5230\u4e86\u57ce\u5e02\uff0c\u5176\u4ed6\u56fd\u5bb6\u90e8\u5206\u6570\u636e\u53ea\u80fd\u5b9a\u4f4d\u5230\u56fd\u5bb6\uff0c\u540e\u524d\u7684\u9009\u9879\u5168\u90e8\u662f0\u3002<\/p>\n<p><strong>2\u3001\u6570\u636e\u53bb\u91cd\u548c\u538b\u7f29<\/strong><\/p>\n<p>xdb \u683c\u5f0f\u751f\u6210\u7a0b\u5e8f\u4f1a\u81ea\u52a8\u53bb\u91cd\u548c\u538b\u7f29\u90e8\u5206\u6570\u636e\uff0c\u9ed8\u8ba4\u7684\u5168\u90e8 IP \u6570\u636e\uff0c\u751f\u6210\u7684 ip2region.xdb \u6570\u636e\u5e93\u662f 11MiB\uff0c\u968f\u7740\u6570\u636e\u7684\u8be6\u7ec6\u5ea6\u589e\u52a0\u6570\u636e\u5e93\u7684\u5927\u5c0f\u4e5f\u6162\u6162\u589e\u5927\u3002<\/p>\n<p><strong>3\u3001\u6781\u901f\u67e5\u8be2\u54cd\u5e94<\/strong><\/p>\n<p>\u5373\u4f7f\u662f\u5b8c\u5168\u57fa\u4e8e xdb \u6587\u4ef6\u7684\u67e5\u8be2\uff0c\u5355\u6b21\u67e5\u8be2\u54cd\u5e94\u65f6\u95f4\u5728\u5341\u5fae\u79d2\u7ea7\u522b\uff0c\u53ef\u901a\u8fc7\u5982\u4e0b\u4e24\u79cd\u65b9\u5f0f\u5f00\u542f\u5185\u5b58\u52a0\u901f\u67e5\u8be2\uff1a<\/p>\n<ol>\n<li>vIndex \u7d22\u5f15\u7f13\u5b58 \uff1a\u4f7f\u7528\u56fa\u5b9a\u7684 512KiB \u7684\u5185\u5b58\u7a7a\u95f4\u7f13\u5b58 vector index \u6570\u636e\uff0c\u51cf\u5c11\u4e00\u6b21 IO \u78c1\u76d8\u64cd\u4f5c\uff0c\u4fdd\u6301\u5e73\u5747\u67e5\u8be2\u6548\u7387\u7a33\u5b9a\u572810-20\u5fae\u79d2\u4e4b\u95f4\u3002<\/li>\n<li>xdb \u6574\u4e2a\u6587\u4ef6\u7f13\u5b58\uff1a\u5c06\u6574\u4e2a xdb \u6587\u4ef6\u5168\u90e8\u52a0\u8f7d\u5230\u5185\u5b58\uff0c\u5185\u5b58\u5360\u7528\u7b49\u540c\u4e8e xdb \u6587\u4ef6\u5927\u5c0f\uff0c\u65e0\u78c1\u76d8 IO \u64cd\u4f5c\uff0c\u4fdd\u6301\u5fae\u79d2\u7ea7\u522b\u7684\u67e5\u8be2\u6548\u7387\u3002<\/li>\n<\/ol>\n<p><strong>4\u3001\u6781\u901f\u67e5\u8be2\u54cd\u5e94<\/strong><\/p>\n<p>v2.0 \u683c\u5f0f\u7684 xdb \u652f\u6301\u4ebf\u7ea7\u522b\u7684 IP \u6570\u636e\u6bb5\u884c\u6570\uff0cregion \u4fe1\u606f\u4e5f\u53ef\u4ee5\u5b8c\u5168\u81ea\u5b9a\u4e49\uff0c\u4f8b\u5982\uff1a\u4f60\u53ef\u4ee5\u5728 region \u4e2d\u8ffd\u52a0\u7279\u5b9a\u4e1a\u52a1\u9700\u6c42\u7684\u6570\u636e\uff0c\u4f8b\u5982\uff1aGPS\u4fe1\u606f\/\u56fd\u9645\u7edf\u4e00\u5730\u57df\u4fe1\u606f\u7f16\u7801\/\u90ae\u7f16\u7b49\u3002\u4e5f\u5c31\u662f\u4f60\u5b8c\u5168\u53ef\u4ee5\u4f7f\u7528 ip2region \u6765\u7ba1\u7406\u4f60\u81ea\u5df1\u7684 IP \u5b9a\u4f4d\u6570\u636e\u3002<\/p>\n<h2>ip2region xdb java \u67e5\u8be2\u5ba2\u6237\u7aef\u5b9e\u73b0<\/h2>\n<ul>\n<li><strong>\u4f7f\u7528\u65b9\u5f0f<\/strong><\/li>\n<\/ul>\n<p>\u5f15\u5165maven\u4ed3\u5e93\uff1a<\/p>\n<pre><code class=\"xml\">&lt;dependency&gt;\n    &lt;groupId&gt;org.lionsoul&lt;\/groupId&gt;\n    &lt;artifactId&gt;ip2region&lt;\/artifactId&gt;\n    &lt;version&gt;2.6.4&lt;\/version&gt;\n&lt;\/dependency&gt;\n<\/code><\/pre>\n<ul>\n<li><strong>\u5b8c\u5168\u57fa\u4e8e\u6587\u4ef6\u7684\u67e5\u8be2<\/strong><\/li>\n<\/ul>\n<pre><code class=\"java\">import org.lionsoul.ip2region.xdb.Searcher;\nimport java.io.*;\nimport java.util.concurrent.TimeUnit;\n\npublic class SearcherTest {\n    public static void main(String[] args) {\n        \/\/ 1\u3001\u521b\u5efa searcher \u5bf9\u8c61\n        String dbPath = &quot;ip2region.xdb file path&quot;;\n        Searcher searcher = null;\n        try {\n            searcher = Searcher.newWithFileOnly(dbPath);\n        } catch (IOException e) {\n            System.out.printf(&quot;failed to create searcher with `%s`: %s\/n&quot;, dbPath, e);\n            return;\n        }\n\n        \/\/ 2\u3001\u67e5\u8be2\n        try {\n            String ip = &quot;1.2.3.4&quot;;\n            long sTime = System.nanoTime();\n            String region = searcher.search(ip);\n            long cost = TimeUnit.NANOSECONDS.toMicros((long) (System.nanoTime() - sTime));\n            System.out.printf(&quot;{region: %s, ioCount: %d, took: %d \u03bcs}\/n&quot;, region, searcher.getIOCount(), cost);\n        } catch (Exception e) {\n            System.out.printf(&quot;failed to search(%s): %s\/n&quot;, ip, e);\n        }\n\n        \/\/ 3\u3001\u5907\u6ce8\uff1a\u5e76\u53d1\u4f7f\u7528\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u72ec\u7acb\u7684 searcher \u5bf9\u8c61\u5355\u72ec\u4f7f\u7528\u3002\n    }\n}\n<\/code><\/pre>\n<ul>\n<li><strong>\u7f13\u5b58VectorIndex\u7d22\u5f15<\/strong><\/li>\n<\/ul>\n<p>\u6211\u4eec\u53ef\u4ee5\u63d0\u524d\u4ece xdb \u6587\u4ef6\u4e2d\u52a0\u8f7d\u51fa\u6765 VectorIndex \u6570\u636e\uff0c\u7136\u540e\u5168\u5c40\u7f13\u5b58\uff0c\u6bcf\u6b21\u521b\u5efa Searcher \u5bf9\u8c61\u7684\u65f6\u5019\u4f7f\u7528\u5168\u5c40\u7684 VectorIndex \u7f13\u5b58\u53ef\u4ee5\u51cf\u5c11\u4e00\u6b21\u56fa\u5b9a\u7684 IO \u64cd\u4f5c\uff0c\u4ece\u800c\u52a0\u901f\u67e5\u8be2\uff0c\u51cf\u5c11 IO \u538b\u529b\u3002<\/p>\n<pre><code class=\"java\">import org.lionsoul.ip2region.xdb.Searcher;\nimport java.io.*;\nimport java.util.concurrent.TimeUnit;\n\npublic class SearcherTest {\n    public static void main(String[] args) {\n        String dbPath = &quot;ip2region.xdb file path&quot;;\n\n        \/\/ 1\u3001\u4ece dbPath \u4e2d\u9884\u5148\u52a0\u8f7d VectorIndex \u7f13\u5b58\uff0c\u5e76\u4e14\u628a\u8fd9\u4e2a\u5f97\u5230\u7684\u6570\u636e\u4f5c\u4e3a\u5168\u5c40\u53d8\u91cf\uff0c\u540e\u7eed\u53cd\u590d\u4f7f\u7528\u3002\n        byte[] vIndex;\n        try {\n            vIndex = Searcher.loadVectorIndexFromFile(dbPath);\n        } catch (Exception e) {\n            System.out.printf(&quot;failed to load vector index from `%s`: %s\/n&quot;, dbPath, e);\n            return;\n        }\n\n        \/\/ 2\u3001\u4f7f\u7528\u5168\u5c40\u7684 vIndex \u521b\u5efa\u5e26 VectorIndex \u7f13\u5b58\u7684\u67e5\u8be2\u5bf9\u8c61\u3002\n        Searcher searcher;\n        try {\n            searcher = Searcher.newWithVectorIndex(dbPath, vIndex);\n        } catch (Exception e) {\n            System.out.printf(&quot;failed to create vectorIndex cached searcher with `%s`: %s\/n&quot;, dbPath, e);\n            return;\n        }\n\n        \/\/ 3\u3001\u67e5\u8be2\n        try {\n            String ip = &quot;1.2.3.4&quot;;\n            long sTime = System.nanoTime();\n            String region = searcher.search(ip);\n            long cost = TimeUnit.NANOSECONDS.toMicros((long) (System.nanoTime() - sTime));\n            System.out.printf(&quot;{region: %s, ioCount: %d, took: %d \u03bcs}\/n&quot;, region, searcher.getIOCount(), cost);\n        } catch (Exception e) {\n            System.out.printf(&quot;failed to search(%s): %s\/n&quot;, ip, e);\n        }\n\n        \/\/ \u5907\u6ce8\uff1a\u6bcf\u4e2a\u7ebf\u7a0b\u9700\u8981\u5355\u72ec\u521b\u5efa\u4e00\u4e2a\u72ec\u7acb\u7684 Searcher \u5bf9\u8c61\uff0c\u4f46\u662f\u90fd\u5171\u4eab\u5168\u5c40\u7684\u5236\u5ea6 vIndex \u7f13\u5b58\u3002\n    }\n}\n<\/code><\/pre>\n<ul>\n<li><strong>\u7f13\u5b58\u6574\u4e2axdb\u6570\u636e<\/strong><\/li>\n<\/ul>\n<p>\u6211\u4eec\u4e5f\u53ef\u4ee5\u9884\u5148\u52a0\u8f7d\u6574\u4e2a ip2region.xdb \u7684\u6570\u636e\u5230\u5185\u5b58\uff0c\u7136\u540e\u57fa\u4e8e\u8fd9\u4e2a\u6570\u636e\u521b\u5efa\u67e5\u8be2\u5bf9\u8c61\u6765\u5b9e\u73b0\u5b8c\u5168\u57fa\u4e8e\u6587\u4ef6\u7684\u67e5\u8be2\uff0c\u7c7b\u4f3c\u4e4b\u524d\u7684 memory search\u3002<\/p>\n<pre><code class=\"java\">import org.lionsoul.ip2region.xdb.Searcher;\nimport java.io.*;\nimport java.util.concurrent.TimeUnit;\n\npublic class SearcherTest {\n    public static void main(String[] args) {\n        String dbPath = &quot;ip2region.xdb file path&quot;;\n\n        \/\/ 1\u3001\u4ece dbPath \u52a0\u8f7d\u6574\u4e2a xdb \u5230\u5185\u5b58\u3002\n        byte[] cBuff;\n        try {\n            cBuff = Searcher.loadContentFromFile(dbPath);\n        } catch (Exception e) {\n            System.out.printf(&quot;failed to load content from `%s`: %s\/n&quot;, dbPath, e);\n            return;\n        }\n\n        \/\/ 2\u3001\u4f7f\u7528\u4e0a\u8ff0\u7684 cBuff \u521b\u5efa\u4e00\u4e2a\u5b8c\u5168\u57fa\u4e8e\u5185\u5b58\u7684\u67e5\u8be2\u5bf9\u8c61\u3002\n        Searcher searcher;\n        try {\n            searcher = Searcher.newWithBuffer(cBuff);\n        } catch (Exception e) {\n            System.out.printf(&quot;failed to create content cached searcher: %s\/n&quot;, e);\n            return;\n        }\n\n        \/\/ 3\u3001\u67e5\u8be2\n        try {\n            String ip = &quot;1.2.3.4&quot;;\n            long sTime = System.nanoTime();\n            String region = searcher.search(ip);\n            long cost = TimeUnit.NANOSECONDS.toMicros((long) (System.nanoTime() - sTime));\n            System.out.printf(&quot;{region: %s, ioCount: %d, took: %d \u03bcs}\/n&quot;, region, searcher.getIOCount(), cost);\n        } catch (Exception e) {\n            System.out.printf(&quot;failed to search(%s): %s\/n&quot;, ip, e);\n        }\n\n        \/\/ \u5907\u6ce8\uff1a\u5e76\u53d1\u4f7f\u7528\uff0c\u7528\u6574\u4e2a xdb \u6570\u636e\u7f13\u5b58\u521b\u5efa\u7684\u67e5\u8be2\u5bf9\u8c61\u53ef\u4ee5\u5b89\u5168\u7684\u7528\u4e8e\u5e76\u53d1\uff0c\u4e5f\u5c31\u662f\u4f60\u53ef\u4ee5\u628a\u8fd9\u4e2a searcher \u5bf9\u8c61\u505a\u6210\u5168\u5c40\u5bf9\u8c61\u53bb\u8de8\u7ebf\u7a0b\u8bbf\u95ee\u3002\n    }\n}\n<\/code><\/pre>\n<h2>IDEA\u4e2d\u505a\u4e2a\u6d4b\u8bd5<\/h2>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042311781\" alt=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" title=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" loading=\"lazy\"><\/p>\n<p>\u5b8c\u5168\u57fa\u4e8e\u6587\u4ef6\u7684\u67e5\u8be2<\/p>\n<p>ip\u5c5e\u5730\u56fd\u5185\u7684\u8bdd\uff0c\u4f1a\u5c55\u793a\u7701\u4efd\uff0c\u56fd\u5916\u7684\u8bdd\uff0c\u53ea\u4f1a\u5c55\u793a\u56fd\u5bb6\u3002\u53ef\u4ee5\u901a\u8fc7\u5982\u4e0b\u56fe\u8fd9\u4e2a\u65b9\u6cd5\u8fdb\u884c\u8fdb\u4e00\u6b65\u5c01\u88c5\uff0c\u5f97\u5230\u83b7\u53d6IP\u5c5e\u5730\u7684\u4fe1\u606f\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042311782\" alt=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" title=\"\u518d\u89c1ip.taobao\uff0c\u5168\u7f51\u663e\u793a IP \u5f52\u5c5e\u5730\uff0c\u5feb\u7528\u8fd9\u4e2a\u5f00\u6e90\u5e93\" loading=\"lazy\"><\/p>\n<hr>\n<blockquote><p>\u4e0b\u9762\u662f\u5b98\u7f51\u7ed9\u51fa\u7684\u547d\u4ee4\u8fd0\u884cjar\u65b9\u5f0f\u7ed9\u51fa\u7684\u6d4b\u8bd5demo\uff0c\u53ef\u4ee5\u7406\u89e3\u4e0b<\/p><\/blockquote>\n<h2>\u7f16\u8bd1\u6d4b\u8bd5\u7a0b\u5e8f<\/h2>\n<p>\u901a\u8fc7 maven \u6765\u7f16\u8bd1\u6d4b\u8bd5\u7a0b\u5e8f\u3002<\/p>\n<pre><code class=\"bash\"># cd \u5230 java binding \u7684\u6839\u76ee\u5f55\ncd binding\/java\/\nmvn compile package\n<\/code><\/pre>\n<p>\u7136\u540e\u4f1a\u5728\u5f53\u524d\u76ee\u5f55\u7684 target \u76ee\u5f55\u4e0b\u5f97\u5230\u4e00\u4e2a ip2region-{version}.jar \u7684\u6253\u5305\u6587\u4ef6\u3002<\/p>\n<h2>\u67e5\u8be2\u6d4b\u8bd5<\/h2>\n<p>\u53ef\u4ee5\u901a\u8fc7 java -jar ip2region-{version}.jar search \u547d\u4ee4\u6765\u6d4b\u8bd5\u67e5\u8be2\uff1a<\/p>\n<pre><code class=\"sql\">\u279c  java git:(v2.0_xdb) \u2717 java -jar target\/ip2region-2.6.0.jar search\njava -jar ip2region-{version}.jar search [command options]\noptions:\n --db string              ip2region binary xdb file path\n --cache-policy string    cache policy: file\/vectorIndex\/content\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a\u4f7f\u7528\u9ed8\u8ba4\u7684 data\/ip2region.xdb \u6587\u4ef6\u8fdb\u884c\u67e5\u8be2\u6d4b\u8bd5\uff1a<\/p>\n<pre><code class=\"bash\">\u279c  java git:(v2.0_xdb) \u2717 java -jar target\/ip2region-2.6.0.jar search --db=..\/..\/data\/ip2region.xdb\nip2region xdb searcher test program, cachePolicy: vectorIndex\ntype 'quit' to exit\nip2region&gt;&gt; 1.2.3.4\n{region: \u7f8e\u56fd|0|\u534e\u76db\u987f|0|\u8c37\u6b4c, ioCount: 7, took: 82 \u03bcs}\nip2region&gt;&gt;\n<\/code><\/pre>\n<p>\u8f93\u5165 ip \u5373\u53ef\u8fdb\u884c\u67e5\u8be2\u6d4b\u8bd5\uff0c\u4e5f\u53ef\u4ee5\u5206\u522b\u8bbe\u7f6e cache-policy \u4e3a file\/vectorIndex\/content \u6765\u6d4b\u8bd5\u4e09\u79cd\u4e0d\u540c\u7f13\u5b58\u5b9e\u73b0\u7684\u67e5\u8be2\u6548\u679c\u3002<\/p>\n<h2>bench \u6d4b\u8bd5<\/h2>\n<p>\u53ef\u4ee5\u901a\u8fc7 java -jar ip2region-{version}.jar bench \u547d\u4ee4\u6765\u8fdb\u884c bench \u6d4b\u8bd5\uff0c\u4e00\u65b9\u9762\u786e\u4fdd xdb \u6587\u4ef6\u6ca1\u6709\u9519\u8bef\uff0c\u4e00\u65b9\u9762\u53ef\u4ee5\u8bc4\u4f30\u67e5\u8be2\u6027\u80fd\uff1a<\/p>\n<pre><code class=\"vbnet\">\u279c  java git:(v2.0_xdb) \u2717 java -jar target\/ip2region-2.6.0.jar bench\njava -jar ip2region-{version}.jar bench [command options]\noptions:\n --db string              ip2region binary xdb file path\n --src string             source ip text file path\n --cache-policy string    cache policy: file\/vectorIndex\/content\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a\u901a\u8fc7\u9ed8\u8ba4\u7684 data\/ip2region.xdb \u548c data\/ip.merge.txt \u6587\u4ef6\u8fdb\u884c bench \u6d4b\u8bd5\uff1a<\/p>\n<pre><code class=\"bash\">\u279c  java git:(v2.0_xdb) \u2717 java -jar target\/ip2region-2.6.0.jar bench --db=..\/..\/data\/ip2region.xdb --src=..\/..\/data\/ip.merge.txt\nBench finished, {cachePolicy: vectorIndex, total: 3417955, took: 8s, cost: 2 \u03bcs\/op}\n<\/code><\/pre>\n<p>\u53ef\u4ee5\u901a\u8fc7\u5206\u522b\u8bbe\u7f6e cache-policy \u4e3a file\/vectorIndex\/content \u6765\u6d4b\u8bd5\u4e09\u79cd\u4e0d\u540c\u7f13\u5b58\u5b9e\u73b0\u7684\u6548\u679c\u3002 @Note: \u6ce8\u610f bench \u4f7f\u7528\u7684 src \u6587\u4ef6\u8981\u662f\u751f\u6210\u5bf9\u5e94 xdb \u6587\u4ef6\u76f8\u540c\u7684\u6e90\u6587\u4ef6\u3002<\/p>\n<blockquote><p>\u5230\u8fd9\u91cc\u83b7\u53d6\u7528\u6237IP\u5c5e\u5730\u5df2\u7ecf\u5b8c\u6210\u5566\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4ecb\u7ecd\u7684v2.0\u7248\u672c\uff0c\u6709\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u53ef\u4ee5\u767b\u5f55\u4e0a\u95e8\u7684github\u5730\u5740\u4e86\u89e3\u4e0bv1.0\u7248\u672c<\/p><\/blockquote>\n<p>\u5982\u82e5\u89c9\u5f97\u6709\u7528\uff0c\u6b22\u8fce\u6536\u85cf+\u70b9\u8d5e\uff0c\u5982\u9047\u5230\u4ec0\u4e48\u95ee\u9898\uff0c\u6b22\u8fce\u7559\u8a00\u8ba8\u8bba<\/p>\n<p><strong>\u8fd1\u671f\u70ed\u6587\u63a8\u8350\uff1a<\/strong><\/p>\n<p>1.<a href=\"https:\/\/link.segmentfault.com\/?enc=x5lfs%2FXr%2FDGB0RFvxsAADg%3D%3D.gOXrGeennYks8XRYVfhvFO10AdTFO76TIUVdbZnGjZE%3D\" rel=\"nofollow\">1,000+ \u9053 Java\u9762\u8bd5\u9898\u53ca\u7b54\u6848\u6574\u7406(2022\u6700\u65b0\u7248)<\/a><\/p>\n<p>2.<a href=\"https:\/\/link.segmentfault.com\/?enc=1vptI4X7myvF%2FxJ6OX%2F2UQ%3D%3D.6dkiB%2F75W1zK%2FMRdWMZoYfBc7EyV1QB6ZDFf88hw2UZH3LUPm036nZpYRt5cBooKj1eKKwxXuxeAfsSS1m91mVyAWi3O8vKiJVrCPgfM2K0%3D\" rel=\"nofollow\">\u52b2\u7206\uff01Java \u534f\u7a0b\u8981\u6765\u4e86\u3002\u3002\u3002<\/a><\/p>\n<p>3.<a href=\"https:\/\/link.segmentfault.com\/?enc=CrQQ7%2BVMIW0kE22HmAuZ4g%3D%3D.NPbVvn6TJMyDhO3mWUv4M9yu9g9ZaXNzcpU0fe8GpEcSzATQ4GtZTwQTgO9FePOH\" rel=\"nofollow\">Spring Boot 2.x \u6559\u7a0b\uff0c\u592a\u5168\u4e86\uff01<\/a><\/p>\n<p>4.<a href=\"https:\/\/link.segmentfault.com\/?enc=cAInGsepnNIksI%2B%2BdRrQnw%3D%3D.0Q6mdqAbGUMK%2BfBNhuQHca8aMYmwJVIbRuBVtzI33lbpITsCx6KAmdu7KC94dYn2tMv3E5c1reqs1r4wKh%2Blmg9Vp2EwZgiXmi75%2BNdNcq4%3D\" rel=\"nofollow\">\u522b\u518d\u5199\u6ee1\u5c4f\u7684\u7206\u7206\u7206\u70b8\u7c7b\u4e86\uff0c\u8bd5\u8bd5\u88c5\u9970\u5668\u6a21\u5f0f\uff0c\u8fd9\u624d\u662f\u4f18\u96c5\u7684\u65b9\u5f0f\uff01\uff01<\/a><\/p>\n<p>5.<a href=\"https:\/\/link.segmentfault.com\/?enc=d6C%2BMDGZMhQMB34DQde6rw%3D%3D.rCtOVIxDUP06XdiLeu4WwdCdiuHA%2F45M27%2F9%2F04aWC2%2BGgSSyj6%2FM7Z2H1GgSBHDI2FAACY9v0Qnf8ME1YQCOqqQjftQORMiv6EGBv4AceVqxTFssL80VjShoEa%2FzCSd\" rel=\"nofollow\">\u300aJava\u5f00\u53d1\u624b\u518c\uff08\u5d69\u5c71\u7248\uff09\u300b\u6700\u65b0\u53d1\u5e03\uff0c\u901f\u901f\u4e0b\u8f7d\uff01<\/a><\/p>\n<p>\u89c9\u5f97\u4e0d\u9519\uff0c\u522b\u5fd8\u4e86\u968f\u624b\u70b9\u8d5e+\u8f6c\u53d1\u54e6\uff01<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042311773\">https:\/\/segmentfault.com\/a\/1190000042311773<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u8005\uff1aThinkingKeep\/\u94fe\u63a5\uff1ahttps:\/\/juejin.cn\/post\/711895&#8230; [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-10006189","post","type-post","status-publish","format-standard","hentry"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006189","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006189"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006189\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}