rust读写ini

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use configparser::ini::Ini;

fn main() {
    // 加载ini
    let mut config = Ini::new();
    let map = config.load("../conf.ini");
    println!("{:?}", map);

    // 读取值
    // Result<Option<u64>, String>
    let port = match config.getuint("main", "port") {
        Ok(port) => match port {
            Some(val) => val,
            None => 6588,
        },
        Err(_) => 6588,
    };
    println!("修改前: port = {}", port);

    // Option<String>
    let user = match config.get("main", "user") {
        Some(user) => user,
        None => String::from("www"),
    };
    println!("修改前: user = {}", user);

    // 修改值
    config.set("main", "port", Some(String::from("999")));
    let port = match config.getuint("main", "port") {
        Ok(port) => match port {
            Some(val) => val,
            None => 6588,
        },
        Err(_) => 6588,
    };
    println!("修改后: port = {}", port);

    config.set("main", "user", Some(String::from("root")));
    let user = match config.get("main", "user") {
        Some(user) => user,
        None => String::from("www"),
    };
    println!("修改后: user = {}", user);

    // 保存修改
    config.write("../conf.ini").unwrap();
}