ip2region_plus - 是 dart
语言的实现。可以在 dart 或 flutter 下使用。
ip2region - 是一个离线IP地址定位库和IP定位数据管理框架,10微秒级别的查询效率,提供了众多主流编程语言的 xdb
数据生成和查询客户端实现。其他语言版本请查看 lionsoul2014/ip2region
本扩展未提供ip2region.xdb文件,请到ip2region.xdb这里下载。怎么更新也请参考此库说明。
import 'package:ip2region_plus/ip2region_plus.dart';
void main() {
String dbFile = "ip2region.xdb";
IP2RegionPlus searcher;
try {
searcher = IP2RegionPlus.newWithFileOnly(dbFile);
Map region = searcher.search('8.8.8.8');
print(region);
} catch (e) {
print("failed to create searcher with '$dbFile': $e");
return;
}
}
import 'package:ip2region_plus/ip2region_plus.dart';
void main() {
String dbFile = "ip2region.xdb";
IP2RegionPlus searcher;
try {
var vIndex = IP2RegionPlus.loadVectorIndexFromFile(dbFile);
searcher = IP2RegionPlus.newWithVectorIndex(dbFile, vIndex);
Map region = searcher.search('8.8.8.132');
print(region);
} catch (e) {
print("failed to create searcher with '$dbFile': $e");
return;
}
}
import 'package:ip2region_plus/ip2region_plus.dart';
void main() {
String dbFile = "ip2region.xdb";
IP2RegionPlus searcher;
var cBuff = IP2RegionPlus.loadContentFromFile(dbFile);
if (cBuff == null) {
print("failed to load content buffer from $dbFile");
return;
}
try {
searcher = IP2RegionPlus.newWithBuffer(cBuff);
Map region = searcher.search('8.8.8.132');
print(region);
} catch (e) {
print(e);
return;
}
}
dart run example/main.dart
//{region: 美国|0|0|0|Level3, ioCount: 8, took: 2392}