在Angular 7应用中传递Django变量,可以通过以下步骤实现:
下面是一个示例:
# views.py
from rest_framework.views import APIView
from rest_framework.response import Response
class DjangoVariableView(APIView):
def get(self, request):
variable = "Hello from Django"
return Response(variable)
// django.service.ts
import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
@Injectable({
providedIn: 'root'
})
export class DjangoService {
private apiUrl = 'http://your-django-api-url';
constructor(private http: HttpClient) { }
getDjangoVariable(): Observable<string> {
return this.http.get<string>(`${this.apiUrl}/django-variable/`);
}
}
// component.ts
import { Component, OnInit } from '@angular/core';
import { DjangoService } from './django.service';
@Component({
selector: 'app-my-component',
templateUrl: './my-component.component.html',
styleUrls: ['./my-component.component.css']
})
export class MyComponent implements OnInit {
djangoVariable: string;
constructor(private djangoService: DjangoService) { }
ngOnInit() {
this.djangoService.getDjangoVariable().subscribe(variable => {
this.djangoVariable = variable;
});
}
}
<!-- component.html -->
<p>{{ djangoVariable }}</p>
在上述示例中,Django后端应用暴露了一个API接口/django-variable/
,返回了一个名为variable
的变量。在Angular前端应用中,通过DjangoService
服务调用该API接口获取变量的值,并将其保存在MyComponent
组件的djangoVariable
属性中。最后,在组件的模板中使用插值表达式将变量的值显示在页面上。
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