Angular2 创建全局键盘快捷键（又名热键）的方式是什么

### Angular2 创建全局键盘快捷键的方法

typescript
import { Injectable, HostListener } from '@angular/core';
@Injectable({
  providedIn: 'root'
})
export class KeyboardShortcutService {
  constructor() { }
  @HostListener('document:keydown', ['$event'])
  handleKeyboardEvent(event: KeyboardEvent) {
    if (event.ctrlKey && event.key === 'S') {
      // 处理按下 Ctrl + S 的逻辑
      console.log('Ctrl + S 被按下');
      // 添加你的逻辑代码
    }
    // 在此添加其他按键的逻辑
  }
}

typescript
import { Component, OnInit } from '@angular/core';
import { KeyboardShortcutService } from './keyboard-shortcut.service';
@Component({
  selector: 'app-your-component',
  templateUrl: './your-component.component.html',
  styleUrls: ['./your-component.component.css']
})
export class YourComponent implements OnInit {
  constructor(private keyboardShortcutService: KeyboardShortcutService) { }
  ngOnInit(): void {
  }
  // 其他组件逻辑
}