[英]Property 'locations' does not exist on type 'Object'
import { HttpClient } from '@angular/common/http';
import { Injectable } from '@angular/core';
import 'rxjs/add/operator/map';
@Injectable()
export class LocationsProvider {
data: any;
constructor(public http: HttpClient) {
}
load() {
if (this.data) {
return Promise.resolve(this.data);
}
return new Promise(resolve => {
this.http.get('assets/data/locations.json').subscribe(data => {
this.data = this.applyHaversine(data.locations);
this.data.sort((locationA, locationB) => {
return locationA.distance - locationB.distance;
});
resolve(this.data);
});
});
}
我在这里很新,并且对ionic很新,我可能需要详细的解决方案,我似乎无法让ionic读取json文件
如果知道响应的类型,则可以将泛型添加到http.get<T>()
以键入data
。
interface SomeInterface {
locations: Location[]
}
this.http.get('assets/data/locations.json')<SomeInterface>.subscribe(data => {
this.data = this.applyHaversine(data.locations);
...
});
或者如果您不想为其创建接口(不推荐)
this.http.get('assets/data/locations.json')<SomeInterface>.subscribe((data: any) => {
this.data = this.applyHaversine(data.locations);
...
});
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.