Error handling 如何在角度2+;
我试图找出网络断开的问题。我试过多种方法。但我还是没有找到解决办法。我无法使用状态代码实现 以下是我的示例代码:Error handling 如何在角度2+;,error-handling,angular2-routing,Error Handling,Angular2 Routing,我试图找出网络断开的问题。我试过多种方法。但我还是没有找到解决办法。我无法使用状态代码实现 以下是我的示例代码: var headers = new Headers(); headers.append('Content-Type', 'application/json'); headers.append('Authorization', 'Bearer ' + this.token); this.http.get('http://someurl/'+userI
var headers = new Headers();
headers.append('Content-Type', 'application/json');
headers.append('Authorization', 'Bearer ' + this.token);
this.http.get('http://someurl/'+userId,{headers:headers})
.map(res => res.json())
.subscribe(
data => {
console.log(data);
},
error => {
console.log(error);
if(error.status == 500) {
this.dashResponse = false;
this.notFoundResponse = false;
this.serverErrorResponse = true;
}
else if(error.status == 404)
{
this.dashResponse = false;
this.notFoundResponse = true;
this.serverErrorResponse = false;
}
else if(error.status == 401)
{
this.router.navigate(['/login']);
alert('Un Authorized');
this.refresh();
}
else
{
this.dashResponse = false;
this.notFoundResponse = false;
this.serverErrorResponse = true;
}
}
);
谁能解决我的问题?。提前谢谢。我找到了问题的答案 以下是解决方案:
import { Component, OnInit, HostListener,OnDestroy } from '@angular/core';
export class AppComponent implements OnInit,OnDestroy {
//Offline Event
@HostListener('window:offline', ['$event'])
OfflineEvent(event: Event) {
console.log(event);
//do something.....
}
//Online event
@HostListener('window:online', ['$event'])
OnlineEvent(event: Event) {
console.log(event);
//do something.....
}
}