捕获所有Google API Javascript异常

问题描述：

我在表单中使用了Google Maps API (Places Library) autocomple。
如果有任何错误，例如错误的API密钥，没有域白名单或通过例外达到Google的配额限制。在某些情况下，API甚至禁用输入并插入图标。捕获所有Google API Javascript异常

是否有办法捕捉所有类型的异常？ try/catch块不起作用。

我的目标是，即使API存在错误，表单应该照常工作，只是没有自动完成。

要重现此问题只是试图从谷歌的例子代码用假API密钥这是在脚本源定义：

<!DOCTYPE html> 
<html> 
    <head> 
    <title>Place Autocomplete Address Form</title> 
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no"> 
    <meta charset="utf-8"> 
    <style> 
     html, body { 
     height: 100%; 
     margin: 0; 
     padding: 0; 
     } 
     #map { 
     height: 100%; 
     } 
    </style> 
    <link type="text/css" rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500"> 
    <style> 
     #locationField, #controls { 
     position: relative; 
     width: 480px; 
     } 
     #autocomplete { 
     position: absolute; 
     top: 0px; 
     left: 0px; 
     width: 99%; 
     } 
     .label { 
     text-align: right; 
     font-weight: bold; 
     width: 100px; 
     color: #303030; 
     } 
     #address { 
     border: 1px solid #000090; 
     background-color: #f0f0ff; 
     width: 480px; 
     padding-right: 2px; 
     } 
     #address td { 
     font-size: 10pt; 
     } 
     .field { 
     width: 99%; 
     } 
     .slimField { 
     width: 80px; 
     } 
     .wideField { 
     width: 200px; 
     } 
     #locationField { 
     height: 20px; 
     margin-bottom: 2px; 
     } 
    </style> 
    </head> 

    <body> 
    <div id="locationField"> 
     <input id="autocomplete" placeholder="Enter your address" 
      onFocus="geolocate()" type="text"></input> 
    </div> 

    <table id="address"> 
     <tr> 
     <td class="label">Street address</td> 
     <td class="slimField"><input class="field" id="street_number" 
       disabled="true"></input></td> 
     <td class="wideField" colspan="2"><input class="field" id="route" 
       disabled="true"></input></td> 
     </tr> 
     <tr> 
     <td class="label">City</td> 
     <td class="wideField" colspan="3"><input class="field" id="locality" 
       disabled="true"></input></td> 
     </tr> 
     <tr> 
     <td class="label">State</td> 
     <td class="slimField"><input class="field" 
       id="administrative_area_level_1" disabled="true"></input></td> 
     <td class="label">Zip code</td> 
     <td class="wideField"><input class="field" id="postal_code" 
       disabled="true"></input></td> 
     </tr> 
     <tr> 
     <td class="label">Country</td> 
     <td class="wideField" colspan="3"><input class="field" 
       id="country" disabled="true"></input></td> 
     </tr> 
    </table> 

    <script> 
// This example displays an address form, using the autocomplete feature 
// of the Google Places API to help users fill in the information. 

var placeSearch, autocomplete; 
var componentForm = { 
    street_number: 'short_name', 
    route: 'long_name', 
    locality: 'long_name', 
    administrative_area_level_1: 'short_name', 
    country: 'long_name', 
    postal_code: 'short_name' 
}; 

function initAutocomplete() { 
    // Create the autocomplete object, restricting the search to geographical 
    // location types. 
    autocomplete = new google.maps.places.Autocomplete(
     /** @type {!HTMLInputElement} */(document.getElementById('autocomplete')), 
     {types: ['geocode']}); 

    // When the user selects an address from the dropdown, populate the address 
    // fields in the form. 
    autocomplete.addListener('place_changed', fillInAddress); 
} 

// [START region_fillform] 
function fillInAddress() { 
    // Get the place details from the autocomplete object. 
    var place = autocomplete.getPlace(); 

    for (var component in componentForm) { 
    document.getElementById(component).value = ''; 
    document.getElementById(component).disabled = false; 
    } 

    // Get each component of the address from the place details 
    // and fill the corresponding field on the form. 
    for (var i = 0; i < place.address_components.length; i++) { 
    var addressType = place.address_components[i].types[0]; 
    if (componentForm[addressType]) { 
     var val = place.address_components[i][componentForm[addressType]]; 
     document.getElementById(addressType).value = val; 
    } 
    } 
} 
// [END region_fillform] 

// [START region_geolocation] 
// Bias the autocomplete object to the user's geographical location, 
// as supplied by the browser's 'navigator.geolocation' object. 
function geolocate() { 
    if (navigator.geolocation) { 
    navigator.geolocation.getCurrentPosition(function(position) { 
     var geolocation = { 
     lat: position.coords.latitude, 
     lng: position.coords.longitude 
     }; 
     var circle = new google.maps.Circle({ 
     center: geolocation, 
     radius: position.coords.accuracy 
     }); 
     autocomplete.setBounds(circle.getBounds()); 
    }); 
    } 
} 
// [END region_geolocation] 

    </script> 
    <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&signed_in=true&libraries=places&callback=initAutocomplete" 
     async defer></script> 
    </body> 
</html>

你能否解释进一步关于什么是 “一个try/catch块没有工作。”手段？ –

@DaveCooper我把每一个函数放在'try {/ * Code * /} catch（err）{concsole.log（err）; '' – Pawel

答

开发商文档说：

如果你想以编程方式检测认证失败（例如自动发送信标），您可以准备一个回调函数。如果定义了以下全局函数，那么将在身份验证失败时调用它。函数gm_authFailure（）{/ *代码* /};

https://developers.google.com/maps/documentation/javascript/events#auth-errors

捕获所有Google API Javascript异常

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