嘿我正在尝试使用角度材料对话框,我遇到了一个问题:
错误错误:未捕获(承诺):错误:StaticInjectorError(AppModule)[MatDialogClose - > MatDialogRef]:StaticInjectorError(平台:核心)[MatDialogClose - > MatDialogRef]:NullInjectorError:没有MatDialogRef的提供者!
module.ts:
...
import {
MatDialogModule,
MatInputModule,
MatCardModule,
MatButtonModule,
MatToolbarModule,
MatExpansionModule
} from "@angular/material";
...
@NgModule({
declarations: [
AppComponent,
PostCreateComponent,
HeaderComponent,
PostListComponent
],
imports: [
BrowserModule,
RouterModule.forRoot(routes),
BrowserAnimationsModule,
FormsModule,
ReactiveFormsModule,
MatInputModule,
MatCardModule,
MatButtonModule,
MatToolbarModule,
MatExpansionModule,
MatDialogModule,
HttpClientModule
],
entryComponents: [PostCreateComponent],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule {}
COMPONENT1:
import { MatDialog } from "@angular/material";
constructor(public dataService: DataService, public dialog: MatDialog) {}
onEdit(postId: string) {
this.dataService.editMode = true;
this.dataService.postIdForEdit = postId;
const dialogRef = this.dialog.open(PostCreateComponent, {
width: "500px"
});
}
COMPONENT2:
import { MatDialogRef } from "@angular/material";
constructor(
private fb: FormBuilder,
public dataService: DataService,
public route: ActivatedRoute,
private dialogRef: MatDialogRef<PostCreateComponent>
) {}
...
onAddPost(form, formDirective: FormGroupDirective) {
...
this.close();
}
close() {
this.dialogRef.close();
}
}
我导入了所需的一切,为什么我会收到此错误?还有什么我需要添加 MatDialogRef
实例?我在网上搜索过,但没有找到这个问题的答案....感谢内心
1 回答
您需要导入 MatDialogModule, MatDialog and MatDialogRef from @angular/material/dialog 而不是 @angular/material
import from '@angular/material/dialog';
您还需要确保提供程序数组中存在 MatDialogRef
Github issue