骑驴找蚂蚁 全干工程师 2023/05/31 21:25 No provider for HttpClient 修改app.module.ts导入HttpClientModule. ... import {HttpClientModule} from '@angular/common/http'; @NgModule({ declarations: [ AppComponent ], imports: [ BrowserModule, AppRoutingModule, HttpClientModule, // 导入此项 FormsModule ], providers: [], bootstrap: [AppComponent] }) export class AppModule { }JavaScriptCopy