HarmonyOS 网络请求回来的Json字符串如何解析为实体类

以下面数据为例，如何转为实体类对象呢

let jsonStr = "[{"name":"张三","age":"15","hobbies":["打游戏","唱歌"]},
{"name":"李四","age":"16","hobbies":["羽毛球"]},
{"name":"王五","age":"17","hobbies":["羽毛球","乒乓球","LOL"]}]"
class Student {
  name: string;
  age: number;
  hobbies: Array<string>
}