importjava.io.BufferedWriter;importjava.io.File;importjava.io.FileOutputStream;importjava.io.FileWriter;importjava.io.IOException;importjava.io.OutputStreamWriter;importjava.io.RandomAccessFile;/****@authormalik*@version2011-3-10 下午10:49:41*/pub

您必須逐行讀取文件,然后將新列插入每一行.這是使用BufferedReader和BufferedWriter的解決方案public void addColumn(String path,String fileName) throws IOException{BufferedReader br=null;BufferedWriter bw=null;final String lineSep=System.getProperty