This time I will bring you a detailed explanation of the use of Angular HttpClient, what are the precautions when using Angular HttpClient, the following is a practical case, let's take a look.
The HttpClient class in @angular/common/http provides a simplified API for Angular applications to implement HTTP client functions
First import HttpClientModule in app.module.ts. As follows:
import { HttpClientModule } from '@angular/common/http'; @NgModule({ imports: [ HttpClientModule, ] }) export class AppModule {}
2. Introduce HttpClient into service.ts that requires to reference HttpClient, as follows:
import { HttpClient } from '@angular/common/http'; export class ConfigService { constructor(private http: HttpClient) { } }
##3. Request data
return this.http.get/post(url:'请求地址' , options: { headers: this.headers }) .toPromise() .then((data: any) => { return data; }) .catch((err) => { console.log(err); }); }
4. Introduce service into the corresponding component.ts file
##Data format:
{ "lists":[ {"title":"","pic":""}, {"title":"","pic":""} ] }
5. Call on the page
I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to the php Chinese website Other related articles!
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