java读写txt文件(无乱码版)

package iptv; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; public class ParseFileTest { /** * 用于解析日志文件，生成符合条件的东西 * @param args * @CreateDate:2013-7-22 下午8:43:27 * @throws IOException */ public static void main(String[] args) throws IOException { // TODO Auto-generated method stub String path = "E:/31/catalina.out.2013-07-19"; String destPath = "E:/31/output.txt"; File srcfile = new File(path); File destFile = new File(destPath); if(!destFile.exists()){     destFile.createNewFile();   } // FileReader ins = new FileReader(srcfile); InputStreamReader read = new InputStreamReader(new FileInputStream(srcfile),"GBK"); OutputStreamWriter write = new OutputStreamWriter(new FileOutputStream(destFile,true),"GBK"); //   FileWriter outs = new FileWriter(destFile);     BufferedReader readBuf = new BufferedReader(read);   BufferedWriter writeBuf = new BufferedWriter(write);   String s = null;   String temp = null;   while((s=readBuf.readLine())!=null){ //   s = new String(s.getBytes(),"utf-8");    System.out.println(s); if(s.indexOf("接受到SOAP请求{ ")<0){ continue; } temp = s.substring(s.indexOf("接受到SOAP请求{ "),s.indexOf("}"));    System.out.println(temp);    writeBuf.write(temp);    writeBuf.newLine();//启用新的一行    writeBuf.flush();   }      readBuf.close();   writeBuf.close();   read.close();   write.close(); } }