我正在忙着使用一个小的ngCli angular2网络应用程序，我正在尝试使用RestService发布到API ...我在Rest服务中有一些其他的get函数，我在其中使用Headers而不是RequestOptions精细。我正在尝试使用post方法使用RequestOptions，但在Chrome开发工具控制台中不断收到以下错误。 （我尝试使用RequestOptions而不是使用我的工作获取请求的标头并获得相同的错误）。 知道是什么原因引起的吗？我正确使用RequestOptions吗？
my error:
zone.js:1725
OPTIONS
http://10.60.160.34/BRMServices/WebEnquiry/StockTake/AddToStockTake
net::ERR_CONNECTION_RESET
table with 4 columns and 32 rows
scheduleTask
@
zone.js:1725
ZoneDelegate.scheduleTask
@
zone.js:255
Zone.scheduleMacroTask
@
zone.js:168
(anonymous)
@
zone.js:1749
send
@
VM384:3
(anonymous)
@
xhr_backend.js:125
Observable.subscribe
@
Observable.js:45
MapOperator.call
@
map.js:54
Observable.subscribe
@
Observable.js:42
CatchOperator.call
@
catch.js:31
Observable.subscribe
@
Observable.js:42
StockTakeComponent.submitStockTake
@
stock-take.component.ts:45
StockTakeComponent.doStockTake
@
stock-take.component.ts:38
View_StockTakeComponent0.handleEvent_10
@
component.ngfactory.js:281
(anonymous)
@
view.js:664
schedulerFn
@
async.js:103
SafeSubscriber.__tryOrUnsub
@
Subscriber.js:223
SafeSubscriber.next
@
Subscriber.js:172
Subscriber._next
@
Subscriber.js:125
Subscriber.next
@
Subscriber.js:89
Subject.next
@
Subject.js:55
EventEmitter.emit
@
async.js:77
FormGroupDirective.onSubmit
@
form_group_directive.js:190
Wrapper_FormGroupDirective.handleEvent
@
wrapper.ngfactory.js:42
View_StockTakeComponent0.handleEvent_10
@
component.ngfactory.js:279
(anonymous)
@
view.js:664
(anonymous)
@
dom_renderer.js:490
ZoneDelegate.invokeTask
@
zone.js:275
onInvokeTask
@
ng_zone.js:260
ZoneDelegate.invokeTask
@
zone.js:274
Zone.runTask
@
zone.js:151
ZoneTask.invoke
@
zone.js:345
table end
my Restservice.ts:
import { Injectable } from '@angular/core';
import { Http, Headers, Response, RequestOptions, URLSearchParams } from "@angular/http";
import { Observable } from 'rxjs/Rx';
import { ProductModel } from '../models/product.model';
import { StockTransactionModel } from '../models/stock-transaction.model';
import { StockTakeModel } from '../models/stock-take.model';
@Injectable()
export class RestService {
private API_URL: string;
private localIP: string;
private headers: Headers;
private options: RequestOptions;
constructor(private http: Http){
}
init(ip: string): void {
this.localIP = ip;
this.headers = new Headers({ 'Content-Type': 'application/json' });
this.options = new RequestOptions({ headers: this.headers });
this.API_URL = "http://" + this.localIP + "/BRMServices/WebEnquiry/";
}
getProduct(barcode: string): Observable<ProductModel> {
return this.http.get(this.API_URL + "/POSEnquiry/" + barcode, this.headers)
.map((res: Response) => res.json())
.catch((error: any) => Observable.throw(error.json().error || 'Server error'));
}
getStockTransactions(productCode: string) : Observable<StockTransactionModel[]> {
return this.http.get(this.API_URL + "StockTransactions/" + productCode, this.headers)
.map((res: Response) => res.json())
.catch((error: any ) => Observable.throw(error.json().error || 'server error'));
}
postStockTake(stockTakeModel: StockTakeModel) : Observable<Response> {
console.log(JSON.stringify(stockTakeModel));
return this.http.post(this.API_URL + "StockTake/AddToStockTake", {stockTakeModel}, {headers: this.headers})
.map((res: Response) => res.json())
.catch((error: any) => Observable.throw(error.json().error || 'server error'));
}
ping(ip: string) : Observable<Response> {
let tempApiUrl: string = "http://" + ip + "/BRMServices/WebEnquiry/ping";
return this.http.get(tempApiUrl, this.headers)
.map((res: Response) => res.json())
.catch((error: any) => Observable.throw(error.json().error || 'server error'));
}
}
更新：来自chrome：// net-internals我得到：
http://10.60.160.34/BRMServices/WebEnquiry/StockTake/AddToStockTake
Start Time: 2017-01-13 14:44:30.800
t=19711 [st=0] +REQUEST_ALIVE [dt=3]
t=19711 [st=0] URL_REQUEST_DELEGATE [dt=0]
t=19711 [st=0] +URL_REQUEST_START_JOB [dt=3]
--> load_flags = 34624 (DO_NOT_SAVE_COOKIES | DO_NOT_SEND_AUTH_DATA | DO_NOT_SEND_COOKIES | MAYBE_USER_GESTURE | VERIFY_EV_CERT)
--> method = "OPTIONS"
--> priority = "MEDIUM"
--> url = "http://10.60.160.34/BRMServices/WebEnquiry/StockTake/AddToStockTake"
t=19711 [st=0] URL_REQUEST_DELEGATE [dt=0]
t=19711 [st=0] HTTP_CACHE_GET_BACKEND [dt=0]
t=19711 [st=0] +HTTP_STREAM_REQUEST [dt=1]
t=19711 [st=0] HTTP_STREAM_REQUEST_STARTED_JOB
--> source_dependency = 6474 (HTTP_STREAM_JOB)
t=19712 [st=1] HTTP_STREAM_REQUEST_BOUND_TO_JOB
--> source_dependency = 6474 (HTTP_STREAM_JOB)
t=19712 [st=1] -HTTP_STREAM_REQUEST
t=19712 [st=1] +HTTP_TRANSACTION_SEND_REQUEST [dt=0]
t=19712 [st=1] HTTP_TRANSACTION_SEND_REQUEST_HEADERS
--> OPTIONS /BRMServices/WebEnquiry/StockTake/AddToStockTake HTTP/1.1
Host: 10.60.160.34
Connection: keep-alive
Access-Control-Request-Method: POST
Origin: http://localhost:4200
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Access-Control-Request-Headers: content-type
Accept: */*
Referer: http://localhost:4200/stockTake
Accept-Encoding: gzip, deflate, sdch
Accept-Language: en-US,en;q=0.8
t=19712 [st=1] -HTTP_TRANSACTION_SEND_REQUEST
t=19712 [st=1] +HTTP_TRANSACTION_READ_HEADERS [dt=2]
t=19712 [st=1] HTTP_STREAM_PARSER_READ_HEADERS [dt=2]
--> net_error = -101 (ERR_CONNECTION_RESET)
t=19714 [st=3] -HTTP_TRANSACTION_READ_HEADERS
--> net_error = -101 (ERR_CONNECTION_RESET)
t=19714 [st=3] -URL_REQUEST_START_JOB
--> net_error = -101 (ERR_CONNECTION_RESET)
t=19714 [st=3] URL_REQUEST_DELEGATE [dt=0]
t=19714 [st=3] -REQUEST_ALIVE
--> net_error = -101 (ERR_CONNECTION_RESET)