转换编码java代码

*/
public class Files {
/**
• 
• @param args
• @throws UnsupportedEncodingException
• @throws IOException
*/
public static void main(String[] args) throws UnsupportedEncodingException, IOException {
Scanner scan = new Scanner(System.in);
System.out.println(“请输入需要改变编码格式的文件位置”);
String str = scan.nextLine();
File file = new File(str);
System.out.println(“文件的初始编码”);
String bm1 = scan.nextLine();
System.out.println(“文件需要转换成的编码”);
String bm2 = scan.nextLine();
getAllFiles(file, bm1, bm2);
}
/**
• 
• @param file 要编译的文件
• @param bm1 文件的初始编码
• @param bm2 文件需要转换成的编码
• @throws FileNotFoundException 文件找不到
• @throws UnsupportedEncodingException 编码出错
• @throws IOException io异常
*/
public static void getAllFiles(File file, String bm1, String bm2) throws FileNotFoundException, UnsupportedEncodingException, IOException {
if (file.isDirectory()) {
File[] test = file.listFiles();
for (File test1 : test) {
//类的名字
String str = test1.getPath();
if (str.endsWith(“java”) & test1.isFile()) {
String[] s = str.split(“\.”);
String filecope = s[0] + “cope.” + s[1];
System.out.println(filecope);
File fil = new File(filecope);
//转格式
InputStreamReader isr = new InputStreamReader(new FileInputStream(test1), bm1);
OutputStreamWriter osr = new OutputStreamWriter(new FileOutputStream(fil), bm2);
int re = -1;
while ((re = isr.read()) != -1) {
osr.write(re);
}
isr.close();
osr.close();