本文介绍了如何在不使用构造函数DI的情况下创建Http实例?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
出于某种原因,我不想使用构造函数(私有http:Http)DI。
For some reason, I don't want to use constructor(private http: Http) DI.
查看
并尝试
const injector = ReflectiveInjector.resolveAndCreate([
BaseRequestOptions,
XHRConnection,
{
provide: Http,
useFactory: (backend, defaultOptions) => new Http(backend, defaultOptions),
deps: [XHRConnection, BaseRequestOptions]
}
]);
this.http = injector.get(Http);
错误说
推荐答案
您需要提供 HTTP_PROVIDERS
:
const injector = ReflectiveInjector.resolveAndCreate([
HTTP_PROVIDERS,
XHRConnection,
{
provide: Http,
useFactory: (backend, defaultOptions) => new Http(backend, defaultOptions),
deps: [XHRConnection, BaseRequestOptions]
}
]);
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