模板语法
服务端渲染
API / @angular/core

ErrorHandler

Provides a hook for centralized exception handling.

class ErrorHandler { handleError(error: any): void }

说明

The default implementation of ErrorHandler prints error messages to the console. To intercept error handling, write a custom exception handler that replaces this default as appropriate for your app.

方法

handleError()

handleError(error: any): void

参数

error

Type: any.

返回值

void

使用说明

Example

class MyErrorHandler implements ErrorHandler { handleError(error) { // do something with the exception } } @NgModule({ providers: [{provide: ErrorHandler, useClass: MyErrorHandler}] }) class MyModule {}