private  String read(String srcFile) throws Exception {	//FileNotFoundException	 
        Scanner in = new Scanner(new File(srcFile));
        String result = ""; 
        while (in.hasNextLine()) {
            result += in.nextLine() + "\r\n";
        } 
        in.close(); 
        return result;
    }

这段代码无法在远程服务器上读取文件内容，导致写文件都是 0 KB

这段程序可以在远程服务器上读写文件成功，但是写文件的时候，不能使用utf-8 编码，导致文件乱码。本地测试都没问题

            try {
            // read file content from file
            StringBuffer sb= new StringBuffer("");           
            FileReader reader = new FileReader(srcFile);
            BufferedReader br = new BufferedReader(reader);           
            String str = null;           
            while((str = br.readLine()) != null) {
                  sb.append(str+"\r\n");                 
                  //System.out.println(str);
            }           
            br.close();
            reader.close();           
            // write string to file
            FileWriter writer = new FileWriter(toFile);
            BufferedWriter bw = new BufferedWriter(writer);
            bw.write(sb.toString());           
            bw.close();
            writer.close();
      }catch(FileNotFoundException e) {
                  e.printStackTrace();
            }catch(IOException e) {
                  e.printStackTrace();
            }

private  void write(String result, String toFile) throws Exception { 
        Writer w = new FileWriter(new File(toFile)); 
        w.write(result);
        w.flush();
        w.close();
    }