Javascript 内存中web api中的多个集合出现错误404
我正在使用angular in-memory web api模块模拟我的服务器响应。这是内存中的data.service.ts 在我的config.service.ts中,我通过以下代码中的URL访问集合Javascript 内存中web api中的多个集合出现错误404,javascript,angular,in-memory-database,Javascript,Angular,In Memory Database,我正在使用angular in-memory web api模块模拟我的服务器响应。这是内存中的data.service.ts 在我的config.service.ts中,我通过以下代码中的URL访问集合 import { Injectable } from '@angular/core'; import { Headers, Http } from '@angular/http'; import 'rxjs/add/operator/toPromise'; import {ConfigIte
import { Injectable } from '@angular/core';
import { Headers, Http } from '@angular/http';
import 'rxjs/add/operator/toPromise';
import {ConfigItem} from './objects/config-item';
@Injectable()
export class ConfigService {
private configUrl ='api/deviceConfig';
private fieldbusConfigUrl ='api/fieldbusConfig';
private headers = new Headers({'Content-Type': 'application/json'});
constructor(private http: Http) { }
getDeviceConfig(): Promise<ConfigItem[]> {
var test;
console.log(this.configUrl);
test = this.http.get(this.configUrl)
.toPromise()
.then(response => response.json().data as ConfigItem[])
.catch(this.handleError);
console.log(test);
return test;
}
getFieldbusConfig(): Promise<ConfigItem[]> {
var test;
console.log(this.fieldbusConfigUrl);
test = this.http.get(this.fieldbusConfigUrl)
.toPromise()
.then(response => response.json().data as ConfigItem[])
.catch(this.handleError);
console.log(test);
return test;
}
// Handle Errors
private handleError(error: any): Promise<any> {
let errMsg = (error.message) ? error.message :
error.status ? `${error.status} - ${error.statusText}` : 'Server error';
console.error(errMsg);
return Promise.reject(errMsg);
}
}
从'@angular/core'导入{Injectable};
从'@angular/Http'导入{Headers,Http};
导入“rxjs/add/operator/toPromise”;
从“./objects/config item”导入{ConfigItem};
@可注射()
导出类配置服务{
私有配置URL='api/deviceConfig';
私有fieldbusConfigUrl='api/fieldbusConfig';
私有头=新头({'Content-Type':'application/json'});
构造函数(私有http:http){}
getDeviceConfig():承诺{
var检验;
console.log(this.configUrl);
test=this.http.get(this.configUrl)
.toPromise()
.then(response=>response.json().data作为ConfigItem[])
.接住(这个.把手错误);
控制台日志(测试);
回归试验;
}
getFieldbusConfig():承诺{
var检验;
console.log(this.fieldbusConfigUrl);
test=this.http.get(this.fieldbusConfigUrl)
.toPromise()
.then(response=>response.json().data作为ConfigItem[])
.接住(这个.把手错误);
控制台日志(测试);
回归试验;
}
//处理错误
私有句柄错误(错误:任意):承诺{
让errMsg=(error.message)?error.message:
error.status?`${error.status}-${error.statusText}`:'服务器错误';
控制台错误(errMsg);
返回承诺。拒绝(errMsg);
}
}
对于api/deviceConfig URL,它可以正常工作,da按照预期进行检索和显示。对于第二个URL api/fieldbusConfig,我得到一个404错误
尽管在另一个名为application-data.service.ts的服务中
从'@angular/core'导入{Injectable};
从'@angular/Http'导入{Headers,Http};
导入“rxjs/add/operator/toPromise”;
从“/../objects/ProtocolItem”导入{ProtocolItem};
@可注射()
导出类ApplicationDataService{
私有应用程序配置文件='api/applicationConfig';
私有应用程序协议URL='api/applicationProtocol';
私有头=新头({'Content-Type':'application/json'});
构造函数(私有http:http){};
getProtocols():承诺{
var检验;
test=this.http.get(this.applicationProtocolUrl)
.toPromise()
.then(response=>response.json().data作为ProtocolItem[])
.接住(这个.把手错误);
控制台日志(测试);
回归试验;
}
私有句柄错误(错误:任意):承诺{
console.error('发生错误',error);//仅用于演示目的
返回承诺。拒绝(error.message | | error);
}
}
我尝试接收applicationProtocol集合,但由于404错误而失败
我在stackoverflow中搜索了一个解决方案,似乎一切正常。我的错误是什么?第二个和第三个列表的语法错误。您应该使用“=”而不是“:”
试试这个。第二个和第三个列表的语法错误。您应该使用“=”而不是“:” 试试这个
import { Injectable } from '@angular/core';
import { Headers, Http } from '@angular/http';
import 'rxjs/add/operator/toPromise';
import {ConfigItem} from './objects/config-item';
@Injectable()
export class ConfigService {
private configUrl ='api/deviceConfig';
private fieldbusConfigUrl ='api/fieldbusConfig';
private headers = new Headers({'Content-Type': 'application/json'});
constructor(private http: Http) { }
getDeviceConfig(): Promise<ConfigItem[]> {
var test;
console.log(this.configUrl);
test = this.http.get(this.configUrl)
.toPromise()
.then(response => response.json().data as ConfigItem[])
.catch(this.handleError);
console.log(test);
return test;
}
getFieldbusConfig(): Promise<ConfigItem[]> {
var test;
console.log(this.fieldbusConfigUrl);
test = this.http.get(this.fieldbusConfigUrl)
.toPromise()
.then(response => response.json().data as ConfigItem[])
.catch(this.handleError);
console.log(test);
return test;
}
// Handle Errors
private handleError(error: any): Promise<any> {
let errMsg = (error.message) ? error.message :
error.status ? `${error.status} - ${error.statusText}` : 'Server error';
console.error(errMsg);
return Promise.reject(errMsg);
}
}
import { Injectable } from '@angular/core';
import { Headers, Http } from '@angular/http';
import 'rxjs/add/operator/toPromise';
import {ProtocolItem} from './../objects/protocol-item';
@Injectable()
export class ApplicationDataService {
private applicationConfigUrl ='api/applicationConfig';
private applicationProtocolUrl ='api/applicationProtocol';
private headers = new Headers({'Content-Type': 'application/json'});
constructor(private http: Http){};
getProtocols(): Promise<ProtocolItem[]> {
var test;
test = this.http.get(this.applicationProtocolUrl)
.toPromise()
.then(response => response.json().data as ProtocolItem[])
.catch(this.handleError);
console.log(test);
return test;
}
private handleError(error: any): Promise<any> {
console.error('An error occurred', error); // for demo purposes only
return Promise.reject(error.message || error);
}
}
let deviceConfig = [
{
"itemName": "Device Type",
"itemValue": "EtnerNet/IP (Script)",
"editable": false
},
{
"itemName": "Software version",
"itemValue": "V 4.0",
"editable": false
},
{
"itemName": "Script revision",
"itemValue": "37",
"editable": false
},
{
"itemName": "Serial Number",
"itemValue": "12341234",
"editable": true
},
{
"itemName": "Script memory",
"itemValue": "16320",
"editable": true
},
{
"itemName": "Data memory",
"itemValue": "8192",
"editable": true
}
];
let fieldbusConfig = [
{
"itemName": "IP Adress Unitgate",
"itemValue": "0.0.0.0",
"editable": true
},
{
"itemName": "Subnet Mask",
"itemValue": "0.0.0.0",
"editable": true
},
{
"itemName": "IP Adress Gateway",
"itemValue": "0.0.0.0",
"editable": true
},
{
"itemName": "DHCP",
"itemValue": "enabled",
"editable": true
}
];
let applicationProtocol = [
{id: 0, value: "transparent"},
{id: 1, value: "Universal 232"},
{id: 2, value: "Modbus RTU Master"},
{id: 3, value: "Modbus RTU Slave"},
{id: 4, value: "Modus ASCII Master"},
{id: 5, value: "Modbus ASCII Slave"},
{id: 6, value: "3964(R)"},
{id: 7, value: "CS(Pseudo)"},
{id: 8, value: "Universal Modbus RTU Master"},
{id: 9, value: "Universal Modbus RTU Slave"},
{id: 10, value: "Universal ASCII RTU Master"},
{id: 11, value: "Universal ASCII RTU Slave"}
];
return {fieldbusConfig, applicationProtocol, deviceConfig};
}
}