Google地理编码API-仅在一个国家/地区搜索 [英] Google geocoding API - search in just one country

问题描述

我正在使用Google geocode-API寻找地理编码:

I am looking for geocodes with the google geocode-API:

http://maps.googleapis.com/maps/api/geocode/json?address=london%c2+UK&sensor=false

问题是，输入的信息不太准确(特别是街道)，有时google混淆了某些内容，而忽略了英国，因为这条街道在其他地方具有完美的匹配项(例如街道和城市).例如美国.

The problem is, that the input isn't very accurate (specially the street) and sometimes google mixes things up and ignores UK, because the street has a perfect match (as street and city) somewhere else. e.g. US.

现在我无法解决此问题(输入数据)，但是我想知道是否存在一个参数，该参数会迫使google在英国搜索并且不返回任何结果，而不会返回完全错误的结果.

Now i cannot solve this issue (input data), but I am wondering if there is a parameter, which forces google to search in UK and return no result instead of a completly wrong result.

推荐答案

您可以在url中添加组件过滤器以约束结果.在这种情况下，您可以使用:

You can add component filters in the url to constraint results. In this case you can use:

http://maps.googleapis.com/maps/api/geocode/json?address=london%c2+UK**&components=country:UK**&sensor=false

有关如何使用组件过滤的更多信息，请参见:

For more information about how to use component filtering see:

https://developers.google.com/maps/documentation/geocoding/intro#ComponentFiltering

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