我将文本文件存储在mysql中，并将其从java读取到项目文件中。我在这方面面临一个问题。我正在保存3个文件，每个文件包含992行。但是，当我读取并将其保存回java项目文件夹时，两个文件被写为993行，每行最后一行是一个空字符串。
如何解决？
这里是我的代码读写到项目文件夹。
我附加的文件可以访问的链接。文件1文件2文件3
在这些文件中，file1和file2正在写入额外的行。
这是密码

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class ReadBlob 
{

    public static void main(String[] args) throws Exception 
    {

       Connection myConn = null;
       Statement myStmt = null;
       ResultSet myRs = null;

       InputStream input = null;
       FileOutputStream output = null;

         try {
        // 1. Get a connection to database
         myConn = DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/database", "username", "password");

        // 2. Execute statement
        myStmt = myConn.createStatement();
        String sql = "select file from tablename where id='1'";//I am mention the ID related to the files
        myRs = myStmt.executeQuery(sql);

        // 3. Set up a handle to the file
        File theFile = new File("data2.txt");
        output = new FileOutputStream(theFile);

        if (myRs.next()) 
                    {

            input = myRs.getBinaryStream("file"); 

            System.out.println("Reading data from database...");
            System.out.println(sql);

            byte[] buffer = new byte[2];
            while (input.read(buffer) > 0) {
                output.write(buffer);
            }

            System.out.println("\nSaved to file: " + theFile.getAbsolutePath());

            System.out.println("\nCompleted successfully!");                
              }

         } 
            catch (Exception exc) 
            {
          exc.printStackTrace();
         } 
            finally 
            {
        if (input != null) 
                    {
            input.close();
        }

        if (output != null) 
                    {
            output.close();
        }

        close(myConn, myStmt);
       }
     }

       private static void close(Connection myConn, Statement myStmt)
        throws SQLException {

    if (myStmt != null) {
        myStmt.close();
        }

        if (myConn != null) {
        myConn.close();
      }
   }
 }