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我得到了一个 jquery 脚本的帮助，该脚本将通过谷歌地理编码系统对键入的位置进行地理编码。

我需要将国家/地区值的 short_name 放入国家/地区字段。对于我的一生，我无法理解我应该如何整合，而且我尝试的一切都不会返回价值。任何人都可以就实现这一目标的正确方法提供一些见解吗？

JSFIDDLE：http: //jsfiddle.net/spadez/jCB4s/2/

$(function () {
  var input = $("#loc"),
      lat   = $("#lat"),
      lng   = $("#lng"),
      lastQuery  = null,
      lastResult = null, // new!
      autocomplete;

  function processLocation(callback) { // accept a callback argument
    var query = $.trim(input.val()),
        geocoder;

    // if query is empty or the same as last time...
    if( !query || query == lastQuery ) {
      callback(lastResult); // send the same result as before
      return; // and stop here
    }

    lastQuery = query; // store for next time

    geocoder = new google.maps.Geocoder();
    geocoder.geocode({ address: query }, function(results, status) {
      if( status === google.maps.GeocoderStatus.OK ) {
        lat.val(results[0].geometry.location.lat());
        lng.val(results[0].geometry.location.lng());
        lastResult = true; // success!
      } else {
        alert("Sorry - We couldn't find this location. Please try an alternative");
        lastResult = false; // failure!
      }
      callback(lastResult); // send the result back
    });
  }

  autocomplete = new google.maps.places.Autocomplete(input[0], {
    types: ["geocode"],
    componentRestrictions: {
      country: "uk"
    }
  });

  google.maps.event.addListener(autocomplete, 'place_changed', processLocation);

  $('#searchform').on('submit', function (event) {
    var form = this;

    event.preventDefault(); // stop the submission

    processLocation(function (success) {
      if( success ) { // if the geocoding succeeded, submit the form
        form.submit()
      }
    });

  });
});

根据API我需要这个：

results[]: {
 types[]: string,
 formatted_address: string,
 address_components[]: {
   short_name: string,
   long_name: string,
   types[]: string
 },
 geometry: {
   location: LatLng,
   location_type: GeocoderLocationType
   viewport: LatLngBounds,
   bounds: LatLngBounds
 }
}
4

1 回答 1

1

解析结果以查找具有“国家/地区”类型的结果

使用“postal_code”类型查找结果的示例

像这样的东西应该可以工作（未经测试）：

geocoder.geocode({ address: query }, function(results, status) {
  if( status === google.maps.GeocoderStatus.OK ) {
    lat.val(results[0].geometry.location.lat());
    lng.val(results[0].geometry.location.lng());
    var address = results[0].address_components;
    for (var p = address.length-1; p >= 0; p--) {
      if (address[p].types.indexOf("country") != -1) {
      // do something useful with the country...
      // document.getElementById('postcode').innerHTML= address[p].long_name;
      }
    }
    lastResult = true; // success!
  } else {
    alert("Sorry - We couldn't find this location. Please try an alternative");
    lastResult = false; // failure!
  }
  callback(lastResult); // send the result back
});
于 2013-06-05T14:28:41.023 回答