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我正在建設我的第一個網站的角度。我試圖調用一個webAPI並在我的組件中顯示結果。這是我的服務代碼:Angular 4 webApi不刷新
getVeselVisit(): Observable<VesselVisit>
{
let result = this.http.get(this.baseUrl + '/values/GetVesselVisit/')
.map(res => <VesselVisit>(res.json()));
alert(result);
return result;
}
這是我的組件:
constructor(private backEndService: BackEndService) {}
ngOnInit(): void {
this.backEndService.getVeselVisit().subscribe(data => {
this.vesselVisit = data;
});
}
這是我的HTML視圖:
<p>Vessel VisitId: {{vesselVisit.idVisit}} |</p>
<p>Vessel Name: {{vesselVisit.vesselName}}</p>
VesselVisit類:
export class VesselVisit {
constructor() {
this.craneList = new Array<Crane>();
this.idVisit = '1';
this.vesselName = '';
}
idVisit: string;
vesselName: string;
craneList: Crane[];
}
這是我從服務中得到的de json:
{"VesselVisit":{"craneList":[{"unitExecutedList":[{"idUnit":"MSCK1234567"},{"idUnit":"TCKU5633679"},{"idUnit":"TCNU2968547"},{"idUnit":"MSCU2587496"}],"unitPlannedList":[{"idUnit":"KKFU9784321"},{"idUnit":"KKFU7895521"},{"idUnit":"TCLU9968570"},{"idUnit":"BOLU7889332"},{"idUnit":"LIDU2001487"}],"idCrane":"QC11"},{"unitExecutedList":[{"idUnit":"MSCK1234567"},{"idUnit":"TCKU5633679"},{"idUnit":"MSCU2587496"},{"idUnit":"MOLU9685711"}],"unitPlannedList":[{"idUnit":"KKFU9784321"}],"idCrane":"QC33"}],"idVisit":"VisTEST","vesselName":"FARGAN"}}
我正在獲取信息,但我認爲我無法將響應分配給HTML視圖,因爲我什麼都看不到。我試圖調試它,並有數據: picture
vesselVisit包含一堆unorder對象和數組。您正在獲取數據,但數據未被格式化以顯示在html模板中。要在html模板中顯示它,您需要它作爲有序的有形數據。我也沒有在vesselVisit之後看到idVisit和vesselName。 – EyoelD
讓我添加VesselVisit類,也許它有幫助。我認爲問題在於我無法將數據對象轉換爲VesselVissti對象 – jre
Json剛添加 – jre