java批量将utf-8转化为gbk

import java.io.BufferedReader;import java.io.DataInputStream;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;public class UTFToGBK {/** * @param args */private static void transferFile(String srcFileName, String destFileName)throws IOException {File OldFile = new File(srcFileName);if (!OldFile.exists()) {System.out.print("要转化的文件路径不存在！");return;}File NewFile = new File(destFileName);// NewFile.mkdir();// 如果是文件，则转换if (OldFile.isFile()) {String line_separator = System.getProperty("line.separator");FileInputStream fis = new FileInputStream(srcFileName);StringBuffer content = new StringBuffer();DataInputStream in = new DataInputStream(fis);BufferedReader d = new BufferedReader(new InputStreamReader(in,"utf-8"));String line = null;while ((line = d.readLine()) != null)content.append(line + line_separator);d.close();in.close();fis.close();// 转化之后写入新文件Writer ow = new OutputStreamWriter(new FileOutputStream(destFileName), "GBK");ow.write(content.toString());ow.close();} else {if (!NewFile.exists()) {NewFile.mkdir();}// 查找目录下面的所有文件与文件夹File[] childFiles = OldFile.listFiles();for (int i = 0, n = childFiles.length; i < n; i++) {File child = childFiles[i];String childFrom = srcFileName + "/" + child.getName();String childTo = destFileName + "/" + child.getName();transferFile(childFrom, childTo);}}}public static void main(String[] args) {// TODO Auto-generated method stubtry {transferFile("C:\\Users\\Dove\\Desktop\\java\\tpartnerregbaseinfo","C:\\Users\\Dove\\Desktop\\tpartnerregbaseinfo");} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}