psql cmd命令指定密码(通过java应用程序)

import java.io.IOException;

public class PsqlCommand {
    public static void main(String[] args) {
        String username = "your_username";
        String host = "your_host";
        int port = 5432;
        String password = "your_password";

        ProcessBuilder processBuilder = new ProcessBuilder();
        processBuilder.command("psql", "-U", username, "-h", host, "-p", String.valueOf(port), "-W");

        try {
            Process process = processBuilder.start();
            process.getOutputStream().write((password + "\n").getBytes());
            process.getOutputStream().flush();
            process.waitFor();
        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
        }
    }
}