Java 如何将数据追加写入到文件


import java.io.*;String path=request.getRealPath("/example/filetest"); RandomAccessFile rf=new RandomAccessFile(path + "\\WriteData.txt","rw"); //定义一个类RandomAccessFile的对象,并实例化 rf.seek(rf.length());//将指隐衡针移动到文逗悄件末尾 rf.writeBytes("\nAppend a line to the file!"); rf.close();//关闭文件流 out.println("写入文件内容为:<br>"); FileReader fr=new FileReader(path + "\\山携渣WriteData.txt"); BufferedReader br=new BufferedReader(fr);//读取文件的BufferedRead对象 String Line=br.readLine(); while(Line!=null){ out.println(Line + "<br>"); Line=br.readLine(); } fr.close();//关闭文件