Rust驱动程序

use bson::doc;
use mongodb::{options::ClientOptions, Client};

fn main() -> mongodb::error::Result<()> {
    // Parse a connection string into an options struct.
    let mut client_options =
        ClientOptions::parse("mongodb+srv://<username>:<password>@<cluster-url>/test?w=majority")?;

    // Manually set an option.
    client_options.app_name = Some("Rust Demo".to_string());

    // Get a handle to the deployment.
    let client = Client::with_options(client_options)?;

    client
        .database("admin")
        .run_command(doc! {"ping": 1}, None)?;
    println!("Connected successfully.");

    // List the names of the databases in that deployment.
    for db_name in client.list_database_names(None)? {
        println!("{}", db_name);
    }
    Ok(())
}