经度和纬度值从IP地址

问题描述：

是否有可能得到asp.net从IP地址的经度和纬度值？
如果有可能，请让我知道我能得到这个。

Is it possible to get the longitude and latitude value from IP address in asp.net? If it is possible, please let me know how can I get this.

答

的MaxMind GEOLITE上城是免费。如果它不够好，你可以明显地升级到更准确的付费版本。我不能为付费版本的质量说话，因为我从来没有使用过。

MaxMind Geolite city is free. If it is not good enough, you can apparently upgrade to a more accurate paid-version. I can't speak for the quality of the paid version, as I have never used it.

如果你喜欢你的SQL，下载CSV版本。加载到您选择的数据库，并查询了。

If you like your SQL, download the CSV version. Load it into your database of choice, and query away.

更快，空间效率的选择是下载文件的二进制数据版本同一个数据库中，然后使用的C＃类来查询。

The faster and space-efficient option is to download the file binary blob version of the same database, and then use the C# class to query it.

另外，我发现 ipinfodb.com 是有用的。查询是通过简单的HTTP GET。例如，为了大地定位*.com尝试：

Alternatively, I have found ipinfodb.com to be useful. Query is by simple HTTP GET. For example, to geolocate *.com try:

http://ipinfodb.com/ip_query.php?timezone=false&ip=69.59.196.211

这将返回包含经度和纬度的XML文件，看起来像：

This will return an XML file containing latitude and longitude, that looks like:

<Response>
  <Ip>69.59.196.211</Ip>
  <Status>OK</Status>
  <CountryCode>US</CountryCode>
  <CountryName>United States</CountryName>
  <RegionCode>41</RegionCode>
  <RegionName>Oregon</RegionName>
  <City>Corvallis</City>
  <ZipPostalCode>97333</ZipPostalCode>
  <Latitude>44.4698</Latitude>
  <Longitude>-123.343</Longitude>
</Response>

一些VB.NET示例code可在http://forum.ipinfodb.com/viewtopic.php?f=7&t=269

经度和纬度值从IP地址

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