解决中文随机读取的乱码问题

RandomAccessFile raf = new RandomAccessFile(new File(filePath), "r");
String temp = raf.readLine();
while(temp!=null)
{
temp = new String(temp.getBytes("iso8859-1"),"utf-8");//先解码再编码
System.err.println("||||||:"+temp);
temp = raf.readLine();