长风明志的博客

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;

import org.mozilla.universalchardet.UniversalDetector;
public class ConvertCode{
     public static void main(String[] args) throws IOException{		
	String sourcePage;   //输入文件	    
        sourcePage="D:\\CF\\HttpClient\\1d07a51f09ed37fb70aaf911b9c8643e.html";

        UniversalDetector detector=new UniversalDetector(null);      //用于检测网页编码
	byte[] buf=new byte[4096];
	FileInputStream fis=new FileInputStream(sourcePage);
	int nread;
	while((nread=fis.read(buf))>0&&!detector.isDone()){
		detector.handleData(buf,0,nread);
	}
	detector.dataEnd();
	String encoding=detector.getDetectedCharset();
	if (encoding!=null){
		System.out.println("Encoding:"+encoding);
	}else{
		System.out.println("No encoding detected!");
	}
	detector.reset();
	String cread;  
	StringBuffer content = new StringBuffer();  	     
	InputStreamReader r = new InputStreamReader(new FileInputStream(sourcePage), encoding);  
	BufferedReader  in = new BufferedReader(r);  
	while ((cread = in.readLine()) != null) {  
	    content.append(cread);  
	}  
	System.out.print(content.toString()); 

}

        String string = "";	
        try {
	BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(fileName), encoding));       	    
               String str = "";	
	while ((str = in.readLine()) != null) {
	      string += str + "\n";	
	}	
	in.close();
	} catch (Exception ex) {
	   ex.printStackTrace();	
	}

           try {
	
	            Writer out = new BufferedWriter(new OutputStreamWriter(
	                    new FileOutputStream(fileName), encoding));	
	            out.write(str);	
	            out.close();	
	        } catch (Exception ex) {	
	            ex.printStackTrace();	
	        }