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本頁說明如何取得 API 金鑰、啟用必要的 API,並載入 Places Library,接著才能使用「地點」類別。
取得 API 金鑰並啟用必要的 API
使用「地點」類別前,請務必:
- 使用帳單帳戶建立 Cloud 專案。
- 取得 API 金鑰。
- 啟用下列 API:
- Maps JavaScript API
- Places API
- Places API (新版) - 如要使用 Text Search (新版) 和 Place Autocomplete,則必須啟用此 API
詳情請參閱「設定 Google Cloud 專案」一文。
取得 API 金鑰
啟用 Places API (新版)
載入 Places Library
如要載入 Places Library,請先將內嵌 Bootstrap 載入器加進應用程式程式碼,載入 Maps JavaScript API,如以下程式碼片段所示:
<script>
(g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
key: "YOUR_API_KEY",
v: "weekly",
// Use the 'v' parameter to indicate the version to use (weekly, beta, alpha, etc.).
// Add other bootstrap parameters as needed, using camel case.
});
</script>
接下來,請使用 await
運算子,從 async
函式內呼叫 importLibrary()
,如下所示:
const {Place} = await google.maps.importLibrary("places");
您的函式也可以載入程式庫,而不需要為所需的類別宣告變數:
async function initMap() {
google.maps.importLibrary("places");
...
}
initMap();
或者,您也可以直接在 HTML 中載入程式庫,如下所示:
<script>
google.maps.importLibrary("places");
</script>
如要進一步瞭解如何載入程式庫,請參閱「載入 Maps JavaScript API」。
後續步驟
除非另有註明,否則本頁面中的內容是採用創用 CC 姓名標示 4.0 授權,程式碼範例則為阿帕契 2.0 授權。詳情請參閱《Google Developers 網站政策》。Java 是 Oracle 和/或其關聯企業的註冊商標。
上次更新時間:2025-08-31 (世界標準時間)。
[null,null,["上次更新時間:2025-08-31 (世界標準時間)。"],[[["\u003cp\u003eThis guide explains how to prepare your application to work with the Google Maps Places API's Place class.\u003c/p\u003e\n"],["\u003cp\u003eYou'll need to set up a Cloud project, obtain an API key, and enable necessary APIs including Maps JavaScript API, Places API, and Places API (New).\u003c/p\u003e\n"],["\u003cp\u003eThe Places Library is loaded by including the Maps JavaScript API bootstrap loader and then calling \u003ccode\u003eimportLibrary("places")\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eOnce set up, you can utilize the Place class for searching places, retrieving details, and using Place Autocomplete.\u003c/p\u003e\n"]]],["To use the Place class, you must first create a Cloud project with billing, obtain an API key, and enable the Maps JavaScript API, Places API, and Places API (New). Then, load the Places Library by including the Maps JavaScript API bootstrap loader in your code, and utilizing the `importLibrary()` function within an `async` context. This allows for the use of the \"places\" library, and subsequent place related tasks.\n"],null,["**European Economic Area (EEA) developers** If your billing address is in the European Economic Area, effective on 8 July 2025, the [Google Maps Platform EEA Terms of Service](https://cloud.google.com/terms/maps-platform/eea) will apply to your use of the Services. Functionality varies by region. [Learn more](/maps/comms/eea/faq).\n\nThis page shows you how to get an API key, enable the required APIs, and load the Places Library,\nso that you can work with the Place class.\n\nGet an API key and enable the required APIs\n\nBefore using the Place class, you need to:\n\n- Create a Cloud project with a billing account.\n- Get an API key.\n- Enable the following APIs: \n - Maps JavaScript API\n - Places API\n - Places API (New) (required to use Text Search (New) and Place Autocomplete)\n\nTo learn more, see [Set up your Google Cloud project](/maps/documentation/javascript/cloud-setup).\n[Get an API key](/maps/documentation/javascript/get-api-key)\n\n\n[Enable Places API (New)](https://console.cloud.google.com/apis/library/places.googleapis.com)\n\nLoad the Places Library\n\nTo load the Places Library, first load the Maps JavaScript API, by adding the\ninline bootstrap loader to your application code, as shown in the following snippet: \n\n```javascript\n\u003cscript\u003e\n (g=\u003e{var h,a,k,p=\"The Google Maps JavaScript API\",c=\"google\",l=\"importLibrary\",q=\"__ib__\",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=\u003eh||(h=new Promise(async(f,n)=\u003e{await (a=m.createElement(\"script\"));e.set(\"libraries\",[...r]+\"\");for(k in g)e.set(k.replace(/[A-Z]/g,t=\u003e\"_\"+t[0].toLowerCase()),g[k]);e.set(\"callback\",c+\".maps.\"+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=\u003eh=n(Error(p+\" could not load.\"));a.nonce=m.querySelector(\"script[nonce]\")?.nonce||\"\";m.head.append(a)}));d[l]?console.warn(p+\" only loads once. Ignoring:\",g):d[l]=(f,...n)=\u003er.add(f)&&u().then(()=\u003ed[l](f,...n))})({\n key: \"YOUR_API_KEY\",\n v: \"weekly\",\n // Use the 'v' parameter to indicate the /maps/documentation/javascript/versions to use (weekly, beta, alpha, etc.).\n // Add other /maps/documentation/javascript/load-maps-js-api#required_parameters as needed, using camel case.\n });\n\u003c/script\u003e\n```\n\nNext, use the `await` operator to call `importLibrary()`\nfrom within an `async` function, as shown here: \n\n```javascript\n const {Place} = await google.maps.importLibrary(\"places\");\n \n```\n\nYour function can also load libraries without declaring a variable\nfor the needed classes: \n\n```javascript\n async function initMap() {\n google.maps.importLibrary(\"places\");\n ...\n }\n\n initMap();\n \n```\n\nAlternatively, you can load the libraries directly in HTML as shown here: \n\n```javascript\n \u003cscript\u003e\n google.maps.importLibrary(\"places\");\n \u003c/script\u003e\n \n```\n\n\nFor more information about loading libraries, see\n[Load the Maps JavaScript API](/maps/documentation/javascript/load-maps-js-api).\n\nNext steps\n\n- [Search for places](/maps/documentation/javascript/place-search)\n- [Get place details](/maps/documentation/javascript/place-details)\n- [Use Place Autocomplete](/maps/documentation/javascript/place-autocomplete-new)"]]