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在Angular中使用WebSocket服務(wù)實(shí)現(xiàn)雙向通信可以通過Angular的HttpClient模塊結(jié)合WebSocket API來實(shí)現(xiàn)。以下是一個(gè)簡單的示例:
npm install angular-websockets
import { Injectable } from '@angular/core';
import { webSocket, WebSocketSubject } from 'rxjs/webSocket';
@Injectable({
providedIn: 'root'
})
export class WebSocketService {
private socket: WebSocketSubject<any>;
constructor() {
this.socket = webSocket('ws://localhost:8080/ws');
this.socket.subscribe(
msg => {
console.log('Received message: ', msg);
},
err => {
console.error('WebSocket error: ', err);
}
);
}
sendMessage(message: string) {
this.socket.next(message);
}
}
import { Component } from '@angular/core';
import { WebSocketService } from './web-socket.service';
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css']
})
export class AppComponent {
message: string;
constructor(private webSocketService: WebSocketService) {}
sendMessage() {
this.webSocketService.sendMessage(this.message);
this.message = '';
}
}
<input type="text" [(ngModel)]="message">
<button (click)="sendMessage()">Send Message</button>
這樣就實(shí)現(xiàn)了在Angular中使用WebSocket服務(wù)實(shí)現(xiàn)雙向通信的功能。您可以根據(jù)具體的需求擴(kuò)展WebSocketService來處理不同的消息類型和業(yè)務(wù)邏輯。
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