Javascript 仅自动完成显示特定国家/地区或邮政编码的结果
如何使我的自动完成仅显示来自特定国家或邮政编码的结果 这就是我到目前为止所做的Javascript 仅自动完成显示特定国家/地区或邮政编码的结果,javascript,html,google-maps,geolocation,Javascript,Html,Google Maps,Geolocation,如何使我的自动完成仅显示来自特定国家或邮政编码的结果 这就是我到目前为止所做的 var input = document.getElementById('searchTextField'); var autocomplete = new google.maps.places.Autocomplete(input); autocomplete.bindTo('bounds', map); 您有几种类型的过滤器: 视口偏移 区域偏置 如果喜欢视口偏移,则应指定
var input = document.getElementById('searchTextField');
var autocomplete = new google.maps.places.Autocomplete(input);
autocomplete.bindTo('bounds', map);
您有几种类型的过滤器:
- 视口偏移
- 区域偏置
您可以在google maps api官方文档中阅读更多内容:您有几种类型的过滤器:
- 视口偏移
- 区域偏置
//The head element, where the Google Autocomplete code will insert a tag
//for a javascript file.
var head = $('head')[0];
//The name of the method the Autocomplete code uses to insert the tag.
var method = 'appendChild';
//The method we will be overriding.
var originalMethod = head[method];
head[method] = function () {
if (arguments[0] && arguments[0].src && arguments[0].src.match(/GetPredictions/)) { //Check that the element is a javascript tag being inserted by Google.
var callbackMatchObject = (/callback=([^&]+)&|$/).exec(arguments[0].src); //Regex to extract the name of the callback method that the JSONP will call.
var searchTermMatchObject = (/\?1s([^&]+)&/).exec(arguments[0].src); //Regex to extract the search term that was entered by the user.
var searchTerm = unescape(searchTermMatchObject[1]);
if (callbackMatchObject && searchTermMatchObject) {
var names = callbackMatchObject[1].split('.'); //The JSONP callback method is in the form "abc.def" and each time has a different random name.
var originalCallback = names[0] && names[1] && window[names[0]] && window[names[0]][names[1]]; //Store the original callback method.
if (originalCallback) {
var newCallback = function () { //Define your own JSONP callback
if (arguments[0] && arguments[0][3]) {
var data = arguments[0][4]; //Your autocomplete results
//SUCCESS! - Limit results here and do something with them, such as displaying them in an autocomplete dropdown.
}
}
//Add copy all the attributes of the old callback function to the new callback function. This prevents the autocomplete functionality from throwing an error.
for (name in originalCallback) {
newCallback[name] = originalCallback[name];
}
window[names[0]][names[1]] = newCallback; //Override the JSONP callback
}
}
//Insert the element into the dom, regardless of whether it was being inserted by Google.
return originalMethod.apply(this, arguments);
};