编辑代码

import java.util.Base64;
import java.nio.charset.StandardCharsets;

class Main {
	public static void main(String[] args) {
        String clientName = "hai_f_desk_app";
        String clientSecret = "AL3HDh62XF1ygu6WUqwmgvVkfdzpG_IouFs9NNVEET7QYJNaltvkP4a20lz5CPWwsw==";
        String apiKey=Base64.getUrlEncoder().encodeToString(String.format("%s:%s",clientName,clientSecret).getBytes(StandardCharsets.UTF_8));
        System.out.println("apiKey(base64 url):");
        System.out.println(apiKey);
        System.out.println("api key lenth:"+apiKey.length());
		System.out.println("Hello world!");
	}
}