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语法

2023年06月27日
柏拉文
越努力，越幸运

一、constructor(x,y) public​

class A {
  a: string;
  b: string;
  constructor(a: string, b: string) {
    this.a = a;
    this.b = b;
  }
}

const a = new A("哈哈", "嘻嘻");
console.log(a);

二、constructor(x,y) private​

class A {
  private a: string;
  private b: string;
  constructor(a: string, b: string) {
    this.a = a;
    this.b = b;
  }
}

const a = new A("哈哈", "嘻嘻");
console.log(a);

三、constructor(public x, public y)​

class B {
  constructor(public a: string, public b: string) {}
}

const b = new B("哈哈", "嘻嘻");
console.log(b);

四、constructor(private x, private y)​

class C {
  constructor(private a: string, private b: string) {}
}

const c = new C("哈哈", "嘻嘻");
console.log(c);
console.log(c.a);