java读取txt文档到string中

 Reader reader = null;
  BufferedReader br = null;
  try {
     reader = new FileReader("D:\\shop.txt");
     br = new BufferedReader(reader);
     StringBuffer sb = new StringBuffer();
     String data = null;
     while ((data = br.readLine()) != null) {
     sb.append(data);
     }
   } catch (IOException e) {
     e.printStackTrace();
   } finally {
     try {
      reader.close();
      br.close();
     } catch (Exception e) {
      e.printStackTrace();
     }
   }

来源：CSDN

作者：zyvscc

链接：https://blog.csdn.net/zyvscc/article/details/11774123