从Hyper获取请求，解析JSON，并将其转换为rust中的结构

[dependencies]
hyper = "0.14"
serde = { version = "1", features = ["derive"] }
serde_json = "1.0"

use serde::{Deserialize, Serialize};

#[derive(Debug, Deserialize, Serialize)]
struct MyStruct {
    field1: String,
    field2: i32,
    // 添加其他字段...
}

use hyper::{Body, Client, Request};
use hyper_tls::HttpsConnector;
use std::io::Read;

#[tokio::main]
async fn main() {
    // 创建一个HTTPS连接器
    let https = HttpsConnector::new();
    let client = Client::builder().build::<_, hyper::Body>(https);

    // 创建一个GET请求
    let url = "http://example.com/api/endpoint";
    let request = Request::builder()
        .method(Method::GET)
        .uri(url)
        .header("User-Agent", "Rust HTTP Client")
        .body(Body::empty())
        .unwrap();

    // 发送请求并获取响应
    let response = client.request(request).await.unwrap();

    // 读取响应的内容
    let body = hyper::body::to_bytes(response.into_body()).await.unwrap();
    let json_str = String::from_utf8(body.to_vec()).unwrap();

    // 解析JSON为结构体
    let my_struct: MyStruct = serde_json::from_str(&json_str).unwrap();

    // 打印解析后的数据
    println!("{:?}", my_struct);
}