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文字

AngularJS: API: ng/service/$exceptionHandler


$exceptionHandler

  1. - service in module ng

Any uncaught exception in Angular表达式s is delegated to this service. The default implementation simply delegates to $log.error which logs it into the browser console.

In unit tests, if angular-mocks.js is loaded, this service is overridden by mock $exceptionHandler which aids in testing.

示例:

  angular.module('exceptionOverride', []).factory('$exceptionHandler', Function () {
    return Function (exception, cause) {
      exception.message += ' (caused by "' + cause + '")';
      throw exception;
    };
  });

This example will override the normal action of $exceptionHandler, to make angular exceptions fail hard when they happen, instead of just logging to the console.

依赖

  • $log

用法

$exceptionHandler(exception, [cause]);

参数

参数 类型 详述
exception Error

Exception associated with the error.

cause
(可选)
string

optional information about the context in which the error was thrown.


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