bean类系统自动生成的set方法报语法错误

export class Student { 
  private _name: string = ‘’; 
  private age: string = ‘’; 
 
  public set name(value: string) { 
    this._name = value; 
  } 
 
  public get name(): string { 
    return this._name; 
  } 
} 
 
let Zhangsan = new Student() 
Zhangsan.name = ‘Zhangsan’ 
let name = Zhangsan.name 
console.log(name) 
 
输出 Zhangsan