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README
Apache-2.0

ip2region - 最自由的ip地址查询库,ip到地区的映射库,提供Binary,B树和纯内存三种查询算法,妈妈再也不用担心我的ip地址定位。

1. 99.9%准确率,定时更新:

数据聚合了一些知名ip到地名查询提供商的数据,这些是他们官方的的准确率,经测试着实比纯真啥的准确多了。
每次聚合一下数据需要1-2天,会不定时更新。

2. 标准化的数据格式:

每条ip数据段都固定了格式:城市Id|国家|区域|省份|城市|ISP

只有中国的数据精确到了城市,其他国家只能定位到国家,后前的选项全部是0,已经包含了全部你能查到的大大小小的国家。 (请忽略前面的城市Id,个人项目需求)

3. 体积小:

生成的数据库文件ip2region.db只有1.5M(1.2版本前是3.5M)

4. 多查询客户端的支持,0.0x毫秒级别的查询

已经集成的客户端有:java、C#、php、c、python、nodejs、php扩展(php5和php7)、golang、rust、lua、lua_c。

提供了两种查询算法,响应时间如下:
客户端/binary算法/b-tree算法/Memory算法:
c#/0.x毫秒/0.x毫秒/0.x毫秒
java/0.x毫秒/0.x毫秒/0.1x毫秒 (使用RandomAccessFile)
php/0.x毫秒/0.1x毫秒/0.1x毫秒
c/0.0x毫秒/0.0x毫秒/0.00x毫秒(b-tree算法基本稳定在0.02x毫秒级别)
python/0.x毫秒/0.1x毫秒/未知
lua/0.x毫秒/0.x毫秒/0.x毫秒
lua_c/0.0x毫秒/0.0x毫秒/0.00x毫秒

任何客户端b-tree都比binary算法快,当然Memory算法固然是最快的!

maven仓库地址:

<dependency>
    <groupId>org.lionsoul</groupId>
    <artifactId>ip2region</artifactId>
    <version>1.7.2</version>
</dependency>

nuget安装命令

Install-Package IP2Region

5. 测试程序:

C#、Node.js、lua_c的测试请具体参考文件夹中README.md 说明。

java:

cd binding/java
ant all
java -jar ip2region-{version}.jar ./data/ip2region.db

php:

php binding/php/testSearcher.php ./data/ip2region.db

c:

cd binding/c/
gcc -g -O2 testSearcher.c ip2region.c
./a.out ../../data/ip2region.db

python:

python binding/python/testSearcher.py ./data/ip2region.db

lua:

cd binding/lua/
lua testSearcher.lua ../../data/ip2region.db

均会看到如下界面:

initializing  B-tree ... 
+----------------------------------+
| ip2region test script            |
| Author: chenxin619315@gmail.com  |
| Type 'quit' to exit program      |
+----------------------------------+
p2region>> 101.105.35.57
2163|中国|华南|广东省|深圳市|鹏博士 in 0.02295 millseconds

输入ip地址开始测试,第一次会稍微有点慢,在运行命令后面接入binary,memory来尝试其他算法,建议使用b-tree算法,速度和并发需求的可以使用memory算法。

具体集成请参考不同客户端的测试源码。

6. 如何生成ip2region.db文件

从ip2region 1.2.2版本开始里面提交了一个dbMaker-{version}.jar的可以执行jar文件,用它来完成这个工作:

  • 1, 确保你安装好了java环境(不玩Java的童鞋就自己谷歌找找拉,临时用一用,几分钟的事情)
  • 2, cd到ip2region的根目录,然后运行如下命令:
java -jar dbMaker-{version}.jar -src 文本数据文件 -region 地域csv文件 [-dst 生成的ip2region.db文件的目录]

# 文本数据文件:db文件的原始文本数据文件路径,自带的ip2region.db文件就是/data/ip.merge.txt生成而来的,你可以换成自己的或者更改/data/ip.merge.txt重新生成
# 地域csv文件:该文件目的是方便配置ip2region进行数据关系的存储,得到的数据包含一个city_id,这个直接使用/data/origin/global_region.csv文件即可
# ip2region.db文件的目录:是可选参数,没有指定的话会在当前目录生成一份./data/ip2region.db文件
  • 3, 获取生成的ip2region.db文件覆盖原来的ip2region.db文件即可
  • 4, 默认的ip2region.db文件生成命令:
cd ip2region项目根目录
java -jar dbMaker-1.2.2.jar -src ./data/ip.merge.txt -region ./data/global_region.csv

# 会看到一大片的输出

7. 其他备注

  • 1, 全部binding的各个search接口都不是线程安全的实现,不同线程可以通过创建不同的查询对象来使用。
  • 2, memorySearch接口,在发布对象前进行一次预查询,可以安全用于多线程环境。
  • 3, ip2region交流分享,微信:lionsoul2014,QQ:1187582057
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准确率99.9%的ip地址定位库,0.0x毫秒级查询,数据库文件大小只有1.5M,提供了java,php,c,python,nodejs,golang,c#查询绑定和Binary,B树,内存三种查询算法,妈妈再也不用担心我的ip地址定位! expand collapse
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