所以我有两个视图之间的主/细节方案。母版页显示一个列表,在点击其中一个项目后,我通过Aurelia的EventAggregator发送一条消息到子视图,并带有一个反序列化的dto(来自主设备的选定项目)作为消息的有效载荷。Javascript ServiceStack客户机序列化错误
但是,当我然后尝试将该项目作为子项中后续请求的参数(以获取其他信息)时,有效内容对象无法序列化。
Master.ts:
import { JsonServiceClient } from "servicestack-client";
import {
ListPendingHoldingsFiles,
ListPendingHoldingsFilesResponse,
SendHoldings,
PositionFileInfo
} from "../holdingsManager.dtos";
import { inject, singleton } from "aurelia-framework";
import { Router } from "aurelia-router";
import { EventAggregator } from "aurelia-event-aggregator";
import { GetPendingPositionMessage } from "../common/GetPendingPositionMessage";
@singleton()
@inject(Router, EventAggregator)
export class Pending {
router: Router;
positions: PositionFileInfo[];
client: JsonServiceClient;
eventAgg: EventAggregator;
constructor(router, eventAggregator) {
this.router = router;
this.eventAgg = eventAggregator;
this.client = new JsonServiceClient('/');
var req = new ListPendingHoldingsFiles();
this.client.get(req).then((getHoldingsResponse) => {
this.positions = getHoldingsResponse.PositionFiles;
}).catch(e => {
console.log(e); // "oh, no!"
});
}
openHoldings(positionInfo) {
this.eventAgg.publish(new GetPendingPositionMessage(positionInfo));
this.router.navigate('#/holdings');
}
}
Child.ts:
import { JsonServiceClient } from "servicestack-client";
import { inject, singleton } from "aurelia-framework";
import { Router } from 'aurelia-router';
import { EventAggregator } from "aurelia-event-aggregator";
import { GetPendingPositionMessage } from "../common/GetPendingPositionMessage";
import {
GetPendingHoldingsFile,
GetPendingHoldingsFileResponse,
Position,
PositionFileInfo
} from "../holdingsManager.dtos";
@singleton()
@inject(Router, EventAggregator)
export class Holdings {
router: Router;
pendingPositionFileInfo: PositionFileInfo;
position: Position;
client: JsonServiceClient;
eventAgg: EventAggregator;
constructor(router, eventAggregator) {
this.router = router;
this.eventAgg = eventAggregator;
this.eventAgg.subscribe(GetPendingPositionMessage,
message => {
this.pendingPositionFileInfo = message.fileInfo;
});
}
activate(params, routeData) {
this.client = new JsonServiceClient('/');
var req = new GetPendingHoldingsFile();
req.PositionToRetrieve = this.pendingPositionFileInfo;
this.client.get(req).then((getHoldingsResponse) => {
this.position = getHoldingsResponse.PendingPosition;
}).catch(e => {
console.log(e); // "oh, no!"
});
}
}
所以,当孩子激活并试图发送请求 'GetPendingHoldingsFile' 错误发生。
Failed to load resource: the server responded with a status of 500 (NullReferenceException)
我已验证this.pendingPositionFileInfo在孩子不为空或空,并且在服务器端,没有接收对象(它为空)。我是Aurelia的新手,并且对Javascript使用经验不足,所以我必须缺少一些东西,任何建议都不胜感激。
编辑1
这似乎是坏了我如何与ServiceStack交互。我正在使用serviceStack版本4.5.6的[email protected]^0.07。我尝试新建一个dto(PositionFileInfo)的新副本,并复制父视图中的所有值,以确保没有发生某些我不知道的JavaScript类型转换奇怪事件,但即使使用了新鲜dto webservice仍然收到一个空请求。
不要在这里使用Event Aggregator ...太复杂和冗余的路由器。只需保存当前记录'this.positionInfo = positionInfo;',然后路由到您的孩子并让您的孩子导入/注入父母并获取当前记录。 – LStarky
几个很好的演示类似的情况在这里:http://stackoverflow.com/questions/42260833/aurelia-how-can-i-modify-sidebar-content-from-inside-a-router-view – LStarky
感谢您的提示,不幸的是,这并不能解决序列化问题。 – Bitfiddler