代码 @Data @SuperBuilder public class A extends Base { private String a; } @Data @SuperBuilder public class Base { privat
import {Component} from '@angular/core'; import {NavController} from "ionic-angular/index"; import {Player} from "@vimeo/player"; @Component({ selector: 'player-component', templateUrl: 'player.html' }) export class PlayerComponent { private player: Player; constructor(public navCtrl: NavContr...
【React】yarn build 报错 (TypeError: Failed to load plugin '@typescript-eslint' declared in '.eslintrc.json': Class extends value undefined is not a constructor or null) 修改.eslintrc.json 文件 修改前 "extends": ["eslint:recommended","plugin:react/recommended","plugin:@typescript-eslint...
接下来我们创建一个类文件 class.ts,代码如下: classShape{area:number;color:string;constructor(name:string,width:number,height:number){this.area=width*height;this.color="pink";};shoutout(){return"I'm "+this.color+" "+this.name+" with an area of "+this.area+" cm squared.";}}varsquare=...
Version 3.2.31 Reproduction link stackblitz.com Steps to reproduce Just run the repo in dev mode. Steps which I used Create a new project, using Vite or Webpack (this is not important). Configure the project to use Typescript + Vue Class...
class Greeter { static cname: string = 'Greeter'; // 静态属性 greeting: string; // 成员属行 constructor(message: string) { // 构造函数 - 执行初始化操作 this.greeting = message; } static getClassName() { // 静态方法 return 'Class name is Greeter'; } greet() { // 成员方法 return ...
TypeScript(和 JavaScript) 并没有名为静态类(static class)的结构,但是像 C# 和 Java 有。 所谓静态类,指的是作为类的静态成员存在于某个类的内部的类。比如这种: // java public class OuterClass { private static String a = "1"; static class InnerClass { ...
class BadGreeter { name: string; // Property 'name' has no initializer and is not definitely assigned in the constructor. } class GoodGreeter { name: string; constructor() { this.name = "hello"; } } 注意,字段需要在构造函数自身进行初始化。TypeScript 并不会分析构造函数里你调用的方法,进而...
class Person { #name: string; constructor(name: string) { this.#name = name; } greet() { console.log(`Hello, my name is ${this.#name}!`); } } let semlinker = new Person("Semlinker"); semlinker.#name; // ~~~ // Property '#name' is not accessible outside class 'Person' /...
functionprintValue(value:string|number):void{if(typeofvalue ==='string') {console.log(`The value is a string:${value}`);}elseif(typeofvalue ==='number') {console.log(`The value is a number:${value}`);}}classPerson {name:string;...