src/main.rs：

​x
use std::{time::Duration};
use tokio::{runtime::Handle};

fn main() {
    let runtime = tokio::runtime::Builder::new_multi_thread()
        .worker_threads(10)
        .enable_all()
        .build()
        .unwrap();

    let fut = runtime.spawn(
        async move {
            let handle = Handle::current();
            println!("{:#?}", handle);
        }
    );
    runtime.block_on(fut).unwrap();
    std::thread::sleep(Duration::from_secs(3));
}

cargo.toml：

xxxxxxxxxx
[dependencies]
tokio = { version = "1.16.1", features = ["full"] }